CN204933696U - A kind of composite static electric cleaner - Google Patents

Abstract

The utility model relates to the technical field of dust collectors, in particular to a composite electrostatic dust collector, which comprises discharge electrodes, a high-voltage DC power supply, an air filter and an exhaust system. The discharge electrode has a mesh structure, and the discharge electrode is connected to one end of the high-voltage direct current power supply. The air filter has a pleated mesh structure, the air filter is set opposite to the discharge electrode, the air filter is connected to the other end of the high-voltage direct current power supply, and an electric field is formed between the discharge electrode and the air filter. The exhaust system is arranged on the rear side of the air filter. The composite electrostatic precipitator provided by the utility model increases the surface area of the air filter without changing the length of the space occupied by the air filter, improves the dust collection efficiency of the composite electrostatic precipitator, and avoids the dust collection efficiency of the composite electrostatic precipitator. The increase of the size, weight and cost of the compound electrostatic precipitator caused by the improvement of the dust collection efficiency by the mesh size also avoids the problem of a large amount of harmful gas emission caused by increasing the dust collection efficiency by increasing the electric field strength.

Description

A composite electrostatic precipitator

technical field

The utility model relates to the technical field of dust collectors, in particular to a composite electrostatic dust collector.

Background technique

The working principle of ordinary electrostatic precipitator is to use high-voltage DC uneven electric field to ionize the gas molecules in the flue gas to generate a large number of electrons and ions. Under the action of the electric field force, the charged dust is separated from the airflow and moves to the dust collection plate or discharge electrode with the opposite polarity. When the charged dust reaches the dust collection plate or discharge electrode, it is adsorbed on the dust collection plate by electrostatic force. plate or discharge electrode to purify the flue gas. Electrostatic dust removal technology has been widely used due to its small wind resistance and high dust removal efficiency. In order to improve the dust collection efficiency of the electrostatic precipitator, it is often achieved by enlarging the size of the dust collecting plate or increasing the electric field strength of the electrostatic precipitator. Enlarging the size of the dust collection plate will lead to a sharp increase in the volume, weight and cost of the dust collector, and increasing the electric field strength will lead to a sharp increase in harmful gases (such as ozone O ₃ , NO _X ).

Utility model content

The embodiment of the utility model provides a composite electrostatic precipitator, which solves the technical problems in the prior art that the volume, weight and cost of the precipitator are greatly increased and harmful gases are produced in order to improve the dust collection efficiency of the electrostatic precipitator. , On the premise of improving the efficiency of the dust collector, the volume, weight and cost of the dust collector are reduced, and the generation of harmful gases is reduced.

The embodiment of the utility model provides a composite electrostatic precipitator, comprising: a discharge electrode, a high-voltage DC power supply, an air filter and an exhaust system.

The discharge electrode is a mesh structure, and the discharge electrode is connected to one end of the high-voltage DC power supply; the air filter is a pleated structure, and the air filter is arranged opposite to the discharge electrode. It is connected with the other end of the high-voltage direct current power supply, and an electric field is formed between the discharge electrode and the air filter.

The exhaust system is arranged on the rear side of the air filter, and under the action of the exhaust system, the air flow with dust enters the electric field from the discharge electrode, and when the dust passes through the discharge electrode Charged, and adsorbed on the air filter under the action of the electric field force, the air after dust removal flows through the air filter and the exhaust system to be discharged.

Further, it also includes: a shell and a bottom plate; the bottom plate is fixed inside the shell, and the discharge electrode, high-voltage direct current power supply, air filter and the exhaust system are fixed on the bottom plate.

Further, an air inlet is provided on the front side of the casing, and the discharge electrode is arranged opposite to the air inlet; an air outlet is arranged on the rear side of the casing, and the exhaust system is arranged opposite to the air outlet; The air inlet is arranged opposite to the air outlet.

Further, the pleat angle of the air filter is 10-150 degrees.

Further, it also includes: a bracket; the bottom end of the bracket is fixed on the bottom plate, and the exhaust system is fixed on the bracket.

Further, the discharge electrodes and the meshes on the air filter are in the shape of circles, triangles or regular polygons.

One or more technical solutions provided by the embodiments of the utility model have at least the following beneficial effects or advantages:

1. The air filter used in the composite electrostatic precipitator provided by the embodiment of the utility model is a pleated structure, which increases the surface area of the air filter without changing the length of the space occupied by the air filter, and improves the composite electrostatic precipitator. The dust collection efficiency of the dust collector avoids the problem of increasing the volume, weight and cost of the composite electrostatic precipitator caused by increasing the dust collection efficiency by increasing the size of the air filter, and also avoids the problem of increasing the dust collection efficiency by increasing the electric field strength. The problem of a large amount of harmful gas emissions. In the composite electrostatic precipitator provided by the embodiment of the utility model, when the air flow passes through the discharge electrode, the dust particles in the air flow will be charged, and when the air flow passes through the air filter with certain conductivity, the charged dust will be charged under the force of the electric field. Under the action, it will be more easily absorbed by the air filter, which improves the adsorption efficiency. The composite electrostatic precipitator provided by the embodiment of the utility model is provided with mesh discharge electrodes, which can prevent insects and other macroscopic foreign objects from entering the electric field, and ensure the dust removal effect of the composite electrostatic precipitator.

2. The composite electrostatic precipitator provided by the embodiment of the utility model is equipped with a casing, and the casing can protect the discharge electrodes, high-voltage DC power supply, air filter and exhaust system installed inside it, which improves the use of the composite electrostatic precipitator. life. The shell is also used to seal the electric field, prevent external impurities from entering the electric field, and improve the dust removal effect of the compound electrostatic precipitator.

3. The casing of the composite electrostatic precipitator provided by the embodiment of the utility model is provided with an air inlet and an air outlet. The air inlet is set opposite to the air outlet. Discharge, the airflow direction is fixed, the airflow passes through the electric field and the air filter vertically, the charging effect of the dust is good, and the dust removal effect of the composite electrostatic precipitator is improved.

Description of drawings

Fig. 1 is a schematic structural diagram of a composite electrostatic precipitator provided by an embodiment of the present invention.

detailed description

The embodiment of the utility model provides a composite electrostatic precipitator, which solves the technical problems in the prior art that the volume, weight and cost of the precipitator are greatly increased and the harmful gas is greatly generated in order to improve the dust collection efficiency of the electrostatic precipitator. , On the premise of improving the efficiency of the dust collector, the volume, weight and cost of the dust collector are reduced, and the generation of harmful gases is reduced.

As shown in Figure 1, the utility model embodiment provides a composite electrostatic precipitator, including: discharge electrode 1, high-voltage DC power supply 2, air filter 3, exhaust system 4, bracket 6, bottom plate 7 and shell 5 .

As shown in Figure 1, the discharge electrode 1 is a mesh structure, the mesh on the discharge electrode 1 is circular, triangular or regular polygonal in shape, and the discharge electrode 1 has electrical conductivity; the discharge electrode 1 is connected to one end of the high-voltage DC power supply 2 . As shown in Figure 1, the air filter 3 is a pleated structure with a pleat angle of 10 to 150 degrees, and the meshes on the air filter 3 are circular, triangular or regular polygonal in shape, and the air filter 3 has electrical conductivity; The filter 3 is arranged opposite to the discharge electrode 1 , the air filter 3 is connected to the other end of the high-voltage direct current power supply 2 , and an electric field is formed between the discharge electrode 1 and the air filter 3 .

As shown in Figure 1, the exhaust system 4 is arranged on the rear side of the air filter screen 3. Under the action of the exhaust system 4, the air flow with dust enters the electric field from the discharge electrode 1, and the dust is charged when passing through the discharge electrode 1, and Adsorbed on the air filter screen 3 under the action of electric field force, the air after dust removal flows through the air filter screen 3 and exhaust system 4 to be discharged.

As shown in FIG. 1 , the bottom plate 7 is fixed inside the casing 5 , and the discharge electrode 1 , high-voltage direct current power supply 2 , air filter 3 and exhaust system 4 are fixed on the bottom plate 7 . The front side of the casing 5 is provided with an air inlet, and the discharge electrode 1 is arranged opposite to the air inlet; the rear side of the casing 5 is provided with an air outlet, and the exhaust system 4 is arranged opposite to the air outlet; the air inlet is arranged opposite to the air outlet. The bottom end of the bracket 6 is fixed on the bottom plate 7, the exhaust system 4 is fixed on the bracket 6, and the bracket 6 is used to support the exhaust system 4.

The working principle of the composite electrostatic precipitator provided by the embodiment of the utility model is as follows: as shown in Figure 1, under the action of the exhaust system 4, the air flow containing dust enters from the air inlet, and when the air flow passes through the discharge electrode 1, The dust particles in the air flow will be charged, and the discharge electrode 1 can also prevent large macroscopic foreign objects such as insects from entering the electric field. When the air flow passes through the air filter 3 with certain conductivity, the charged dust will be more easily absorbed by the air filter 3 under the action of the electric field force. Due to the large surface area of the internal pores of the air filter 3, the dust removal can be greatly enhanced. Efficient, clean air flows from the air outlet.

The composite electrostatic precipitator provided by the embodiment of the utility model has at least the following beneficial effects:

As shown in Figure 1, the air filter 3 used in the composite electrostatic precipitator provided by the embodiment of the utility model is a pleated structure, which increases the size of the air filter 3 without changing the length of the space occupied by the air filter 3. The surface area improves the dust collection efficiency of the composite electrostatic precipitator, and avoids the problem of increasing the volume, weight and cost of the composite electrostatic precipitator caused by increasing the size of the air filter 3 to improve the dust collection efficiency. The problem of a large amount of harmful gas emission caused by the increase of dust collection efficiency due to the strength of the electric field. In the composite electrostatic precipitator provided by the embodiment of the utility model, when the air flow passes through the discharge electrode 1, the dust particles in the air flow will be charged, and when the air flow passes through the air filter 3 with certain conductivity, the charged dust will Under the action of force, it will be more easily adsorbed by the air filter 3, which improves the adsorption efficiency. The composite electrostatic precipitator provided by the embodiment of the utility model is provided with a mesh discharge electrode 1, which can prevent macroscopic foreign objects such as insects from entering the electric field, and ensure the dust removal effect of the composite electrostatic precipitator.

As shown in Figure 1, the composite electrostatic precipitator provided by the embodiment of the utility model is equipped with a casing 5, and the casing 5 can protect the discharge electrode 1, the high-voltage direct current power supply 2, the air filter 3 and the exhaust system 4 provided inside it. , improve the service life of the composite electrostatic precipitator. The shell 5 is also used to seal the electric field, prevent external impurities from entering the electric field, and improve the dust removal effect of the composite electrostatic precipitator.

As shown in Figure 1, the housing 5 of the composite electrostatic precipitator provided by the embodiment of the utility model is provided with an air inlet and an air outlet. The air inlet is set opposite to the air outlet. The inlet enters, and the air outlet exits. The airflow direction is fixed, and the airflow passes through the electric field and the air filter 3 vertically. The dust charging effect is good, and the dust removal effect of the composite electrostatic precipitator is improved.

Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to examples, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the spirit and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (6)

1. A compound type electrostatic precipitator, is characterized in that, comprises: discharge electrode, high-voltage DC power supply, air filter screen and exhaust system; The discharge electrode is a mesh structure, and the discharge electrode is connected to one end of the high-voltage DC power supply; the air filter is a pleated structure, and the air filter is arranged opposite to the discharge electrode. Connected to the other end of the high-voltage direct current power supply, an electric field is formed between the discharge electrode and the air filter; The exhaust system is arranged on the rear side of the air filter, and under the action of the exhaust system, the air flow with dust enters the electric field from the discharge electrode, and when the dust passes through the discharge electrode Charged, and adsorbed on the air filter under the action of the electric field force, the air after dust removal flows through the air filter and the exhaust system to be discharged. 2. The composite electrostatic precipitator according to claim 1, further comprising: a shell and a base plate; the base plate is fixed inside the shell, and the discharge electrode, the high-voltage DC power supply, the air filter and the The exhaust system is fixed on the base plate. 3. The composite electrostatic precipitator according to claim 2, wherein an air inlet is arranged on the front side of the housing, and the discharge electrode is arranged opposite to the air inlet; the rear side of the housing is provided with An air outlet, the exhaust system is arranged opposite to the air outlet; the air inlet is arranged opposite to the air outlet. 4. The composite electrostatic precipitator according to claim 3, characterized in that, the pleat angle of the air filter is 10-150 degrees. 5. The composite electrostatic precipitator according to claim 2, further comprising: a bracket; the bottom end of the bracket is fixed on the bottom plate, and the exhaust system is fixed on the bracket. 6. The composite electrostatic precipitator according to claim 1, characterized in that, the discharge electrodes and the meshes on the air filter are circular, triangular or regular polygonal in shape.