CN111760683A

CN111760683A - Cage type cathode hanging device

Info

Publication number: CN111760683A
Application number: CN202010650208.3A
Authority: CN
Inventors: 包文隆; 包洪亮; 赵萍; 王明浩
Original assignee: Beijing Zhongdian Guohe Energy Conservation And Environmental Protection Technology Co ltd
Current assignee: Beijing Zhongdian Guohe Energy Conservation And Environmental Protection Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-10-13

Abstract

The utility model provides a cage negative pole cable suspension device, to electrostatic precipitator negative pole fixing device's improvement, the device is applied to electrostatic precipitator and hangs the negative pole line, has insulating pillar to support, and the cable suspension device is big frame and little frame, installation negative pole line in the little frame, and the connected mode is by traditional rigid connection, changes elastic connection into. The ultralow-concentration discharge electric dust collector using the cage type cathode hanging device has the advantages that the transmission of the vibration force is sufficient, the dust cleaning efficiency is high, the vibration period and the vibration frequency can be greatly shortened, the service lives of a cathode system and a vibration system of the electric dust collector are prolonged, secondary dust raising is effectively reduced, the equipment is simple, convenient and efficient to transport, install and adjust, the investment and the operation cost of the electric dust collector are greatly reduced, and the technical performance index of the discharge concentration is lower than that of a bag type dust collector.

Description

Cage type cathode hanging device

Technical Field

The invention relates to the technical field of hanging design of a cathode system of an electric dust collector, in particular to a cage type cathode hanging device.

Technical Field

At present, the electrostatic precipitator cathode system that industry such as domestic electric power, metallurgy, building materials used hangs and generally adopts the top to hang, and the lateral part is spacing, and the deashing mode adopts lateral part machinery to shake the deashing, adopts rigid connection between negative pole line and the negative pole frame, negative pole gallows and the negative pole frame, and the equipment operation in-process lets in the flue gas of temperature difference, leads to the coefficient of expansion difference of steel structure spare, leads to the influence electric field operating voltage of the different degree of interpolar distance in the electric field. When the cathode system is vibrated to clean ash, because the other part of the cathode system is suspended and the side part is limited, and the adopted side part vibrating mode has the advantages that part of vibration can be transmitted to the hanging bracket, but the hanging bracket is not a main dust collecting system, so that energy waste is caused, and the service life of the hanging bracket system is shortened. The problems of difficult control of polar line deformation, uneven transmission distribution of rapping force, overlarge attenuation and the like exist, so that the emission concentration of the material can not meet the requirements of the existing environmental protection standard.

Disclosure of Invention

The invention provides a cage type cathode hanging device, which is applied to an electrostatic dust collector and is used for improving the dust collecting capacity of a cathode system so as to improve the dust collecting efficiency, and particularly can vibrate for many times through a polar line frame, improve the removal rate of fine dust, reduce secondary dust raising and greatly improve the dust collecting efficiency.

The invention aims to provide a cathode system hanging device with high strength and high stability for electric dust removal in the industries of electric power, metallurgy, chemical industry, building materials and the like, can fully utilize the vibration force of vibration of electric dust removal machinery, reduce the vibration period, prolong the service life of equipment, effectively reduce secondary dust emission, improve the dust removal efficiency and achieve the purposes of saving energy, reducing consumption and reducing emission.

In order to overcome the defects of the traditional cathode suspension and limiting device, the invention provides the cage type cathode suspension device which can fix a cathode system of an electric dust collector, ensure the expansion amount of the working condition of the electric dust collector, utilize the characteristic of flexible connection of the cathode system, improve the dust cleaning effect of the cathode system, keep the good discharge performance and dust collection capacity of the cathode system all the time, enable the cathode system to be more stable by changing the connection mode and the suspension mode of a cathode wire, eliminate the attenuation of the rapping force, reduce the rapping period and prolong the service life of equipment, thereby further improving the dust collection efficiency of the electrostatic dust collector. The invention provides a cage type cathode hanging device.

The technical scheme adopted by the invention to solve the technical problem is as follows:

the hanging point is positioned on an insulating support in an insulation box at the top of the dust remover, a square tube beam is installed, the beam is used for hanging a cathode frame, the beam stretches across four insulating supports, a hanger is connected with a cathode of the dust remover, polytetrafluoroethylene is adopted at the insulating position of an anode part and is insulated by high-pressure resistant materials, the insulating support column of the dust remover can play a supporting role and can insulate a cathode system and an anode system, a large cathode frame is connected with the beam by adopting a screw rod, a nut is arranged at the upper part of the large cathode frame, the large cathode frame can be horizontally and vertically adjusted, the expansion requirement of equipment under various working conditions can be met, the dust cleaning effect of the cathode system can be greatly improved, a small cathode frame is installed in the cathode frame, a cathode wire is installed in the small frame, an elastic device is arranged in the middle of the screw rod elastic connection of the cathode wire and, the problems of difficult adjustment and incomplete ash removal caused by rigid connection are avoided, and the electric dust remover can keep the best dust removal efficiency.

The cage type cathode hanging device is an integrated structure designed for preventing the pole plate from deforming under the severe smoke condition, adopts a larger expansion space, and greatly improves the rigidity and stability of a cathode system. Adopt rigid fixation and flexonics's structure, prevent effectively that whole be rigid connection, on the equipment casing can be transmitted to the power of shaking when the deashing of shaking that leads to, influence the deashing effect, reduce equipment life, the effectual secondary raise dust that has reduced has improved electrostatic precipitator's dust collection efficiency. The invention has simple and convenient transportation, installation and adjustment, adopts upper suspension and lower limit in installation, the polar plate has a telescopic space during thermal expansion and can freely stretch, and the cathode wire has a telescopic space in the frame, thereby effectively solving the influence of thermal deformation on the polar distance, leading the polar plate to operate without failure at high temperature and ensuring the high-efficiency and stable operation of the equipment.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The parts not described in the present invention are all the prior art or standard products, and are not described again.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation. And therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediate medium, and communicate between two elements. The specific meaning of the above terms in the present invention can be specifically understood by those of ordinary skill in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

A cage type cathode hanging device is applied to an electrostatic dust collector and is a discharge electrode for collecting charged smoke dust particles, the top side of the device is hung, the main structure of the device consists of a supporting insulator and a cage type cathode large frame 5, a plurality of cathode small frames 6 are installed in the cathode large frame 5, and the plurality of cathode small frames 6 are all fixed by springs;

the method is characterized in that: the device is different from the prior device which is hung by a top insulating porcelain bushing and comprises an insulating box 1 positioned at the top of a dust remover, a square pipe beam 2 is arranged in the insulating box 1, a cathode large frame 5 is hung below the beam 2, the square pipe beam 2 stretches across four insulating support columns 3, a hanger is connected with a cathode of the dust remover, polytetrafluoroethylene is adopted at the insulating part connected with an anode, high-pressure resistant materials are used for insulation, the insulating support columns 3 can play a supporting role and insulate a cathode system and the anode system, the cathode large frame 5 and the square pipe beam 2 are connected by a lead screw 4, the upper part of the cathode large frame is a nut 8, the large frame can be horizontally and vertically adjusted, the telescopic requirements of the device under various working conditions can be met, the dust cleaning effect of the cathode system can be greatly improved, a cathode small frame 6 is arranged in the cathode frame, a cathode wire 10 is arranged in the small frame, and an elastic device 7 is arranged in the middle of the lead, the integral structure is rigidly fixed and elastically connected, so that the difficulty in adjustment and incomplete ash removal caused by rigid connection are avoided, and the best dust removal efficiency of the electric dust remover can be kept.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should, without their teaching, appreciate that they can readily devise similar arrangements and embodiments without departing from the spirit and scope of the invention.

Claims

1. A cage cathode hanging device mainly structurally comprises a supporting insulator and a cage cathode maximum frame (5), wherein a plurality of cathode minimum frames (6) are installed in a cathode large frame (5), and the cathode minimum frames (6) are fixed by springs;

the method is characterized in that: this device is including being located dust remover top insulation can (1), there is square pipe crossbeam (2) in insulation can (1), negative pole big frame (5) are hung in crossbeam (2) below, square pipe crossbeam (2) span on four insulation support posts (3), adopt lead screw (4) to be connected between negative pole big frame (5) and the square pipe crossbeam 2, upper portion is nut (8), installation negative pole minimum frame (6) in the negative pole frame, little frame internally mounted negative pole line (10), resilient means (7) in the middle of negative pole line (10) and junction lead screw (9) elastic connection of negative pole small frame (6).