CN104689921A - Electrostatic dust precipitator - Google Patents

Abstract

The invention discloses an electrostatic dust precipitator which comprises dust collection sheets, a structural framework and an electrode communicated with a high-pressure power supply, and is characterized in that the connection and conduction mode for conductive points of the dust collection sheets and the electrode is one of the following modes or a combination of various following modes: (1) the conductive points of the dust collection sheets are adhered with the electrode by a conductive adhesive; (2) the conductive points of the dust collection sheets and the electrode respectively keep a fixed relative position from the structural framework, and conductive materials such as graphite powder, metal powder and the conductive adhesive coat between the conductive points of the dust collection sheets and the electrode; (3) the conductive points of the dust collection sheets are porous or slotted, and the electrode penetrates through the conductive holes or the conductive slots of the dust collection sheets to form tight fitness. The invention provides a reliable connection and conduction mode for non-metal dust collection sheets and the electrode; the technology is simple, the production efficiency is high, and the cost is low.

Description

A kind of precipitator

Technical field

Design air field of purification of the present invention, particularly relates to a kind of precipitator.

Background technology

Traditional precipitator adopts metallic plate as control of dust material mostly, and alternate two panels metallic plate is connected to same electrode.For ensureing that metallic plate is connected and reliable conducting with the stable of electrode, its connected mode generally adopts the modes such as welding, riveted joint, expanded joint, securing member connection.But owing to depending on the insulation of air layer between adjacent two panels metallic plate, when distance between plates is less or on-load voltage is higher easily by air breakdown, thus cause violent electric discharge to produce the problem such as ozone, Pi crack noise and dust catching efficiency can not get ensureing.Thus, seeking balance between distance between plates, voltage and dust catching efficiency, ozone concentration is needed in practice again.The air clearing product of this class, often purification efficiency <90%, and there being the large foreign matter such as hair, still can there is the phenomenons such as violent electric discharge, arcing when entering in dust, security is also poor.

" a kind of electrostatic precipitation, micro particle catching composite " that the patent of invention that application number is 2014104900930 is announced.An exemplary embodiment of this invention is: be bonded together brush electrically-conducting paint between two-layer ambroin film after, forms a kind of nonmetal control of dust sheet.The utilization of this control of dust sheet can overcome conventional metals collecting plate use in problem, make that distances of collecting plates is less, on-load voltage is higher, thus the problem such as arcing, high ozone can be stopped under the prerequisite guaranteeing higher dust catching efficiency.But be nonmetallic materials owing to being this control of dust sheet main body, the modes such as traditional welding, riveted joint, expanded joint, securing member connection cannot be adopted to be connected with electrode.

Summary of the invention

The present invention aims to provide that a kind of new control of dust sheet is connected with interelectrode, conduction mode, thus solves the problem run in foregoing invention application.

The technical solution adopted in the present invention is:

A kind of precipitator, comprise control of dust sheet, structural framing and the electrode for being communicated with high voltage source, multiple control of dust chip arrays arrangement also forms the passage supplying air circulation between every two control of dust sheets, the conductiving point of two alternate control of dust sheets touches the electrode of same polarity, it is characterized in that: the connection of control of dust sheet conductiving point and electrode, conduction mode are combine with one or more under type:

1) control of dust sheet conductiving point and electrode adopt conductive adhesive;

2) control of dust sheet conductiving point and electrode keep fixing relative position respectively with structural framing, are coated with the conductive materials such as graphite powder, metal powder, conducting resinl between control of dust sheet conductiving point and electrode;

3) control of dust sheet conductiving point is poroid, channel-shaped, and electrode is through the conductive hole of control of dust sheet, conductive trough form tight fit.Described tight fit refers to interference fit or interference fits.

Technological merit of the present invention is:

1) connection between a kind of reliable nonmetal control of dust sheet and electrode, conduction mode are provided;

2) technique is simple, production efficiency is high, cost is low.

Accompanying drawing explanation

Fig. 1 is a kind of embodiment schematic diagram of the present invention.

Fig. 2 is a kind of embodiment schematic diagram of the present invention.

Detailed description of the invention

As shown in Figure 1, collecting plate 1 array arrangement, gas channel is formed between each adjacent two collecting plates, collecting plate 1 there is V-arrangement conductiving point, the same pole of electrode 2 for making the conductiving point of two pieces of alternate collecting plates be connected to high voltage source, surrounding's applying conductive glue at V-arrangement conductiving point and electrode contact position, thus form reliable connection and conducting.There is shown two groups of collecting plates, one group is passed through Electrode connection high-voltage power cathode, and one group by Electrode connection high voltage source negative pole.Structural framing not shown in FIG..

Figure 2 shows that the another kind of connected mode of the conductiving point of electrode 2 and collecting plate 1.Electrode 2 is hard metal bar, and the conductiving point of collecting plate 1 is a small sircle hole, and Circularhole diameter is identical or smaller with electrode 2 diameter, makes when electrode 2 forms interference fit through during conductive hole, keeps relative position and formed conducting reliably.Also can, after electrode 2 and conductive hole have assembled, at points of engagement dip-coating electrically-conducting paint, conducting resinl, conducting reliability be ensured further.

Claims (2)

1. a precipitator, comprising control of dust sheet, structural framing and the electrode for connecting high voltage source, it is characterized in that: the conductiving point of control of dust sheet and the connection of electrode, conduction mode are combine with one or more under type:

1) control of dust sheet conductiving point and electrode adopt conductive adhesive;

2) control of dust sheet conductiving point and electrode keep fixing relative position respectively with structural framing, are coated with the conductive materials such as graphite powder, metal powder, conducting resinl between control of dust sheet conductiving point and electrode;

3) control of dust sheet conductiving point is poroid, channel-shaped, and electrode is through the conductive hole of control of dust sheet, conductive trough form tight fit.

2. a kind of precipitator according to claim 1, is characterized in that: described tight fit refers to interference fit or interference fits.