CN216261357U

CN216261357U - Wet electric is negative pole line for dust remover convenient to maintain

Info

Publication number: CN216261357U
Application number: CN202122889732.9U
Authority: CN
Inventors: 周昊; 周文权; 张荣明
Original assignee: Jiangsu Tandge Environmental Engineering Co ltd
Current assignee: Jiangsu Tandge Environmental Engineering Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-12
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the field of wet-type electric dust collectors, in particular to a cathode wire for a wet-type electric dust collector, which is convenient to maintain. The upper end of the cathode wire is fixed on the cathode upper fixing frame through an elastic support, and the lower end of the cathode wire is fixed on the cathode lower fixing frame through a fixing support; one end of the elastic support facing the cathode wire is fixed with a telescopic spring; the elastic support is provided with a transverse waist-shaped hole, and the fixed support is provided with a vertical waist-shaped hole; the cathode wire is of a sectional structure, all sections of the cathode wire are connected through threads, and protective covers are arranged at the threaded connection positions of all the sections of the cathode wire. The cathode wire for the improved wet electric dust collector has the advantages that the probability of deformation and breakage is reduced, and the maintenance and replacement efficiency of the cathode wire is improved.

Description

Wet electric is negative pole line for dust remover convenient to maintain

Technical Field

The utility model relates to the field of wet-type electric dust collectors, in particular to a cathode wire for a wet-type electric dust collector, which is convenient to maintain.

Background

The main working components of the wet-type electric dust collector are a cathode system and an anode system, a high-voltage power supply supplies power to the cathode system, and the high-voltage corona discharge is used for charging dust, so that the purpose of dust supplement is achieved under the action of electric field force, and when the dust on the dust collecting plate reaches a certain degree, the dust collecting plate is washed by introducing spray water. The cathode system is the core part of the wet electric dust collector and comprises a cathode wire, a cathode fixing frame and other parts, the cathode system is a main component for generating corona and establishing an electric field, the cathode system determines the strength of discharge and influences the charge performance of dust in flue gas, and the dust removal efficiency is directly related.

The negative pole line of wet-type electrostatic precipitator often can meet the condition such as corruption, fracture, deformation in the use, and the negative pole line warp or need in time change after damaging, otherwise can cause the inside short circuit of electric field, can cause equipment to shut down even when serious. The cathode wire both ends of current wet-type electrostatic precipitator are fixed on the negative pole mount through the welded mode mostly, and when the cathode wire was heated or when being refrigerated and take place deformation, this kind of fixed mode very easily made the cathode wire take place to warp, the fracture, and both ends welded fixed mode is consuming time consuming and consuming effort, workman intensity of labour when changing moreover big.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the cathode wire for the wet electric dust collector, which is convenient to maintain, improves the structural form and the connection mode of the cathode wire, reduces the probability of deformation and breakage of the cathode wire, and improves the maintenance and replacement efficiency of the cathode wire.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cathode wire for a wet electric dust collector convenient to maintain comprises a cathode wire, an upper cathode fixing frame and a lower cathode fixing frame, wherein the upper end of the cathode wire is fixed on the upper cathode fixing frame through an elastic support, and the lower end of the cathode wire is fixed on the lower cathode fixing frame through a fixing support; an extension spring is fixed at one end of the elastic support facing the cathode wire, a spring pressing plate is fixed at the tail end of one side of the extension spring facing the cathode wire, a cathode wire pressing rod is connected at the tail end of one side of the cathode wire close to the spring pressing plate through threads, and the cathode wire pressing rod is made of a conductive material; a limiting protective cover is arranged on the outer side of the telescopic spring, one end of the limiting protective cover is fixed on the elastic support, a limiting protective cover through hole is formed in one side, facing the cathode wire pressing rod, of the limiting protective cover, the cathode wire pressing rod penetrates through the limiting protective cover through hole, the tail end of the cathode wire pressing rod is abutted to the spring pressing plate, the limiting protective cover through hole is in clearance fit with the cathode wire pressing rod, and the size of the limiting protective cover through hole is smaller than that of the spring pressing plate; the fixed support is connected with the tail end of the cathode wire through threads.

Further, circular fixing frame mounting holes are formed in the cathode upper fixing frame and the cathode lower fixing frame, transverse waist-shaped holes are formed in the elastic support corresponding to the fixing frame mounting holes in the cathode upper fixing frame, and vertical waist-shaped holes are formed in the fixing support corresponding to the fixing frame mounting holes in the cathode lower fixing frame; the elastic support is connected with the cathode upper fixing frame through a bolt, and the fixed support is connected with the cathode lower fixing frame through a bolt.

Furthermore, the cathode wire is of a sectional type structure, all sections of the cathode wire are connected through threads, a protective cover is arranged at the threaded connection position of each section of the cathode wire, and the protective cover is welded and fixed on the outer side wall of the cathode wire and forms a protective shell which is bent downwards.

Furthermore, needle-shaped discharge elements are fixed on the outer side wall of the cathode wire and are uniformly distributed in a spiral shape along the axis direction of the cathode wire.

The cathode wire for the wet electric dust collector convenient to maintain has the following use mode:

when the cathode ray is heated or cooled to deform, the extension spring can correspondingly extend or shorten, and the probability of deformation and breakage of the cathode ray is reduced.

When the elastic support needs to be disassembled, the bolt between the elastic support and the cathode upper fixing frame needs to be unscrewed, and then the cathode line pressing rod is unscrewed on the cathode line.

When the fixed support needs to be disassembled, the bolt between the fixed support and the cathode lower fixing frame needs to be unscrewed, and then the fixed support is rotated to realize the separation from the cathode line.

After the elastic supports and the fixed supports at the two ends of the cathode wire are disassembled, the cathode wire can be disassembled or replaced in a segmented mode.

Compared with the prior art, the utility model has the beneficial effects that:

an elastic support and a telescopic spring are added at one end of the cathode wire, so that the probability of deformation and breakage of the cathode wire can be effectively reduced; the elastic support, the fixed support and the cathode wire can be respectively disassembled and replaced, so that the replacement cost of parts is reduced; the elastic support, the fixed support and the cathode wire are all connected through bolts, so that the dismounting efficiency is higher; the cathode ray is of a sectional type structure, and when the inner space of the dust remover is insufficient, the cathode ray can be dismantled in a sectional type mode in a disassembling mode, so that the operation is more convenient.

Drawings

FIG. 1 is a schematic front view of a cathode wire for a wet electrostatic precipitator according to the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged structural diagram of a portion B in fig. 1.

Fig. 4 is a partially enlarged schematic view of a portion C in fig. 1.

In the figure: 1. the cathode wire, 2, the cathode upper fixing frame, 3, the cathode lower fixing frame, 4, the elastic support, 5, the fixing support, 6, the limiting shield, 7, the expansion spring, 8, the spring pressing plate, 9, the cathode wire pressing rod, 10, the protective cover, 11 and the discharging element.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

As shown in fig. 1 to 3, a cathode wire for a wet electric dust collector convenient for maintenance comprises a cathode wire 1, an upper cathode fixing frame 2 and a lower cathode fixing frame 3, wherein the upper end of the cathode wire 1 is fixed on the upper cathode fixing frame 2 through an elastic support 4, and the lower end of the cathode wire 1 is fixed on the lower cathode fixing frame 3 through a fixing support 5; an extension spring 7 is fixed at one end of the elastic support 4 facing the cathode wire 1, a spring pressing plate 8 is fixed at the tail end of the extension spring 7 facing one side of the cathode wire 1, a cathode wire pressing rod 9 is connected at the tail end of the cathode wire 1 close to one side of the spring pressing plate 8 through threads, and the cathode wire pressing rod 9 is made of a conductive material; a limiting shield 6 is arranged on the outer side of the telescopic spring 7, one end of the limiting shield 6 is fixed on the elastic support 4, a limiting shield through hole is formed in one side, facing the cathode wire pressing rod 9, of the limiting shield 6, the cathode wire pressing rod 9 penetrates through the limiting shield through hole, the tail end of the cathode wire pressing rod is abutted against the spring pressing plate 8, and the limiting shield through hole is in clearance fit with the cathode wire pressing rod 9 and is smaller than the spring pressing plate 8 in size; the fixed support 5 is connected with the tail end of the cathode wire 1 through threads.

In practical application, circular fixing frame mounting holes are formed in the cathode upper fixing frame 2 and the cathode lower fixing frame 3, transverse waist-shaped holes are formed in the elastic support 4 at positions corresponding to the fixing frame mounting holes in the cathode upper fixing frame 2, and vertical waist-shaped holes are formed in the fixed support 5 at positions corresponding to the fixing frame mounting holes in the cathode lower fixing frame 3; the elastic support 4 is connected with the cathode upper fixing frame 2 through a bolt, and the fixed support 5 is connected with the cathode lower fixing frame 3 through a bolt.

In practical application, the cathode wire 1 is of a sectional structure, the sections of the cathode wire 1 are connected through threads, the threaded connection position of each section of the cathode wire 1 is provided with a protective cover 10, and the protective cover 10 is welded and fixed on the outer side wall of the cathode wire 1 and forms a protective shell which is bent downwards.

As shown in fig. 4, in practical applications, needle-shaped discharge elements 11 are fixed on the outer side wall of the cathode line 1, and the discharge elements 11 are uniformly distributed in a spiral shape along the axial direction of the cathode line 1.

when the cathode line 1 is heated or cooled to deform, the extension spring 7 can correspondingly extend or shorten, and the probability of deformation and breakage of the cathode line 1 is reduced.

When the elastic support 4 needs to be disassembled, the bolt between the elastic support 4 and the cathode upper fixing frame 2 needs to be unscrewed, and then the cathode line pressing rod 9 is unscrewed on the cathode line 1.

When the fixed support 5 needs to be disassembled, the bolt between the fixed support 5 and the cathode lower fixing frame 3 needs to be unscrewed, and then the fixed support 5 is rotated to realize the separation from the cathode line 1.

After the elastic supports 4 and the fixed supports 5 at the two ends of the cathode wire 1 are disassembled, the cathode wire 1 can be disassembled or replaced in a segmented manner.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wet electric is negative pole line for dust remover convenient to maintain, includes negative pole line (1), negative pole upper fixing frame (2) and negative pole lower fixing frame (3), its characterized in that: the upper end of the cathode wire (1) is fixed on the cathode upper fixing frame (2) through an elastic support (4), and the lower end of the cathode wire (1) is fixed on the cathode lower fixing frame (3) through a fixing support (5); an extension spring (7) is fixed at one end, facing the cathode wire (1), of the elastic support (4), a spring pressing plate (8) is fixed at the tail end, facing one side of the cathode wire (1), of the extension spring (7), a cathode wire pressing rod (9) is connected to the tail end, close to one side of the spring pressing plate (8), of the cathode wire (1) through threads, and the cathode wire pressing rod (9) is made of a conductive material; a limiting shield (6) is arranged on the outer side of the telescopic spring (7), one end of the limiting shield (6) is fixed on the elastic support (4), a limiting shield through hole is formed in one side, facing the cathode line pressing rod (9), of the limiting shield (6), the cathode line pressing rod (9) penetrates through the limiting shield through hole, the tail end of the cathode line pressing rod abuts against the spring pressing plate (8), the limiting shield through hole is in clearance fit with the cathode line pressing rod (9), and the size of the limiting shield through hole is smaller than that of the spring pressing plate (8); the fixed support (5) is connected with the tail end of the cathode wire (1) through threads.

2. A cathode wire for a wet electrostatic precipitator for facilitating maintenance according to claim 1, wherein: circular fixing frame mounting holes are formed in the upper cathode fixing frame (2) and the lower cathode fixing frame (3), transverse waist-shaped holes are formed in the positions, corresponding to the fixing frame mounting holes in the upper cathode fixing frame (2), of the elastic support (4), and vertical waist-shaped holes are formed in the positions, corresponding to the fixing frame mounting holes in the lower cathode fixing frame (3), of the fixing support (5); the elastic support (4) is connected with the cathode upper fixing frame (2) through a bolt, and the fixed support (5) is connected with the cathode lower fixing frame (3) through a bolt.

3. A cathode wire for a wet electrostatic precipitator for facilitating maintenance according to claim 1, wherein: the cathode wire (1) is of a sectional type structure, all sections of the cathode wire (1) are connected through threads, a protective cover (10) is arranged at the threaded connection position of each section of the cathode wire (1), and the protective cover (10) is welded and fixed on the outer side wall of the cathode wire (1) and forms a protective shell which is bent downwards.

4. A cathode wire for a wet electrostatic precipitator for facilitating maintenance according to claim 1, wherein: needle-shaped discharge elements (11) are fixed on the outer side wall of the cathode wire (1), and the discharge elements (11) are uniformly distributed in a spiral shape along the axial direction of the cathode wire (1).