CN215823356U - Fixing device for cathode wire of electric dust collector and cathode equipment of electric dust collector - Google Patents

Abstract

The utility model discloses a fixing device for a cathode wire of an electric dust collector and cathode equipment of the electric dust collector. The fixing device includes: the cathode wire framework comprises at least two cross beams and at least two upright posts which are spliced with each other and used for fixing a plurality of cathode wires which are distributed in rows, and two ends of each cathode wire are respectively fixed on the cross beams; the holder is fixed in just be located two on the negative pole wire frame between the crossbeam, the holder includes first splint and the second splint of the rectangular shape of relative fixed, first splint with the second splint are used for the centre gripping jointly be a plurality of negative pole lines of row distribution, just first splint with the extending direction of second splint with the extending direction nonparallel of negative pole line. Utilize the holder to fix every row of negative pole line is whole, and the negative pole line can not take place after single fracture and take on the anode plate thereby lead to this electric field output short circuit and withdraw from the operation in the operation.

Description

Fixing device for cathode wire of electric dust collector and cathode equipment of electric dust collector

Technical Field

The utility model belongs to the technical field of dust collectors of thermal power plants, and particularly relates to a fixing device for a cathode wire of an electric dust collector and cathode equipment of the electric dust collector.

Background

The dust removing principle of the electric dust collector is that when dust-containing flue gas passes through a high-voltage electrostatic field, the dust-containing flue gas collides with positive ions, negative ions and electrons between electrodes or is charged in ion diffusion motion, dust particles with the charged electrons and the ions move to the opposite electrode and are adsorbed on the opposite electrode under the action of electric field force, and dust on the electrode falls into the dust collector in modes of vibration and the like. The electric dust collector is in a high-voltage negative corona electrode structure type, the anode plate and the shell are equipotential, the anode is a dust collecting electrode, and the cathode line is a discharge electrode. The negative pole line is in a abominable operational environment for a long time, takes place the electric field at high voltage operation in-process and draws the arc, can cause spark erosion to negative pole line both ends, and simultaneously, the flue gas flows in the dust remover, and long-time operation leads to the fact the scour and wear to negative pole line, anode plate, and the negative pole line frame shakes to beat and to lead to the fact negative pole line top bolted connection department fracture easily, leads to negative pole line and anode plate contact to cause the electric field short circuit and stop the operation.

SUMMERY OF THE UTILITY MODEL

(I) technical problems to be solved by the utility model

The technical problem solved by the utility model is as follows: how to avoid the electric field output short circuit caused by the lap joint of the broken cathode wire to the anode plate.

(II) the technical scheme adopted by the utility model

A fixture for an electric precipitator cathode wire, the fixture comprising:

the cathode wire framework comprises at least two cross beams and at least two upright posts which are spliced with each other and used for fixing a plurality of cathode wires which are distributed in rows, and two ends of each cathode wire are respectively fixed on the cross beams;

the holder is fixed in just be located two on the negative pole wire frame between the crossbeam, the holder includes first splint and the second splint of the rectangular shape of relative fixed, first splint with the second splint are used for the centre gripping jointly be a plurality of negative pole lines of row distribution, just first splint with the extending direction of second splint with the extending direction nonparallel of negative pole line.

Preferably, the cross beam and the upright are perpendicular to each other and integrally formed, the extending direction of the first clamping plate and the second clamping plate is perpendicular to the extending direction of the upright, and the extending direction of the cathode line is parallel to the extending direction of the upright.

Preferably, the number of the vertical columns is multiple, and the first clamping plate and the second clamping plate are fixed on the vertical columns in the middle area of the cathode wire framework.

Preferably, the first clamping plate and the second clamping plate are close to the middle area, a first threaded hole and a second threaded hole are formed in the position of the upright column, the first threaded hole and the second threaded hole are located in the middle area and on two sides of the upright column, and fixing bolts are installed in the first threaded hole and the second threaded hole respectively to fix the first clamping plate and the second clamping plate relatively.

Preferably, the first splint with the both ends of second splint are provided with third screw hole and fourth screw hole respectively, and third screw hole and fourth screw hole are all installed fixing bolt, in order to incite somebody to action first splint with the both ends relatively fixed of second splint.

Preferably, each threaded hole is welded to a fixing bolt.

Preferably, the number of the clamping pieces and the number of the cross beams are multiple, and the clamping pieces and the cross beams are alternately distributed.

Preferably, the first clamping plate and the second clamping plate are made of aluminum.

The application also discloses electrostatic precipitator's negative pole equipment, negative pole equipment includes a plurality of negative pole lines and above-mentioned arbitrary fixing device, and is a plurality of the negative pole line is row and distributes ground and is fixed in on the negative pole wire frame, and a plurality of negative pole line centre gripping in first splint with between the second splint.

(III) advantageous effects

The utility model discloses a fixing device for a cathode wire of an electric dust collector and cathode equipment of the electric dust collector, and compared with the prior art, the fixing device has the following technical effects:

utilize the holder to every row of negative pole line monolithic stationary, thereby take on the anode plate after the operation in-process negative pole line can not take place single fracture and lead to this electric field output short circuit and withdraw from the operation to install the mode of holder additional on original frame, greatly reduced the transformation expense, construction process is simple and clear, has improved electrostatic precipitator's operational reliability.

Drawings

Fig. 1 is a schematic view of a fixing device for cathode wires of an electric dust collector according to a first embodiment of the present invention;

fig. 2 is a partial side sectional view of a fixing device for a cathode wire of an electric precipitator according to a first embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Before describing in detail the various embodiments of the present application, the technical idea of the present application is first briefly described: the existing fixing mode of the cathode wire is that two ends are respectively fixed at the bottom end and the top end of a frame, fixing bolts at the two ends are easy to break in the using process, or the middle part of the cathode wire is easy to break, and the broken cathode wire can be lapped on anode plates at two sides to cause short circuit. Therefore, the application provides a fixing device, including negative pole wire framework and holder, fix the both ends of a plurality of negative pole lines respectively on the crossbeam of negative pole wire framework when using to the holder that utilizes to be located between the crossbeam is fixed with the negative pole line centre gripping, makes a plurality of negative pole lines be one row of distribution, and when negative pole line both ends stretch out or middle fracture like this, usable holder is fixed with cracked negative pole line, can avoid negative pole line overlap joint to the positive pole on.

Specifically, as shown in fig. 1 and 2, the fixing device for the cathode wires of the electric dust collector of the first embodiment includes a cathode wire frame 10 and a clamping member 20. The cathode line frame 10 comprises at least two cross beams 11 and at least two upright posts 12 which are spliced with each other, the cathode line frame 10 is used for fixing a plurality of cathode lines 30 which are distributed in rows, and two ends of each cathode line 30 are respectively fixed on the cross beams 11; the clamping piece 20 is fixed on the cathode wire frame 10 and located between the two beams 11, the clamping piece 20 comprises a first clamping plate 21 and a second clamping plate 22 which are relatively fixed and are long-strip-shaped, the first clamping plate 21 and the second clamping plate 22 are jointly used for clamping a plurality of cathode wires distributed in rows, and the extending directions of the first clamping plate 21 and the second clamping plate 22 are not parallel to the extending direction of the cathode wires 30. It should be noted that, in fig. 2, a gap is shown between the first clamping plate 21, the second clamping plate 22 and the cathode line 30, which is only for convenience of illustration and description, and the first clamping plate 21, the second clamping plate 22 and the cathode line 30 are tightly attached in actual use.

Illustratively, the beam 11 and the column 12 are perpendicular to each other and are integrally formed, the extending direction of the first clamping plate 21 and the second clamping plate 22 is perpendicular to the extending direction of the column 12, and the extending direction of the cathode line 30 is parallel to the extending direction of the column 12. The number of the beams 11, the columns 12 and the clamping members 20 can be set by themselves, for convenience of describing the matching relationship of the three, exemplarily, the number of the beams 11 is four, the number of the columns 12 is three, the number of the clamping members 20 is three, the clamping members 20 and the beams 11 are alternately distributed, and the first clamping plate 21 and the second clamping plate 22 of each clamping member 20 are fixed on the column 12 in the middle area of the cathode ray frame 10.

As an embodiment, the four beams 11 form an upper, middle and lower three-layer structure, two ends of the cathode line 20 of each layer are fixed on the two beams 11 of each layer, or two ends of each cathode line 30 are respectively fixed on the top beam and the bottom beam, and the middle part of the cathode line 30 and the beam in the middle area are overlapped with each other. The fixing manner of the cathode line 30 is various, and is not listed here.

Further, a first threaded hole 23 and a second threaded hole 24 are formed in positions, close to the upright 12 in the middle area, of the first clamping plate 21 and the second clamping plate 22, the first threaded hole 23 and the second threaded hole 24 are located on two sides of the upright 12 in the middle area, and fixing bolts are installed in the first threaded hole 24 and the second threaded hole respectively to fix the first clamping plate 21 and the second clamping plate 22 relatively. Both ends of the first clamping plate 21 and the second clamping plate 22 are respectively provided with a third threaded hole 25 and a fourth threaded hole 26, and fixing bolts are installed in the third threaded hole 25 and the fourth threaded hole 26. After each screw hole is fixed with each fixing bolt, carry out electric welding and handle, avoid fixing bolt appear becoming flexible in permanent use and even drop. The first clamping plate 21 and the second clamping plate 22 are made of aluminum.

Illustratively, the first clamping plate 21 and the second clamping plate 22 adopt angle aluminum (specification is ≤ 30 × 20 × 3, and L is ≤ 4.5M/piece), the angle aluminum is drilled and clamped and reinforced according to the positions of the cathode lines 30 and the columns 12, the clamping pieces 20 are additionally arranged at the 1.8-meter positions of the upper layer, the middle layer and the lower layer of each electric field of the electric dust collector, and the hexagonal bolts (M10 × 50) are additionally arranged in the threaded holes at the two ends and the threaded holes at the two sides of the middle column for fixing, so that each row of cathode lines can be well fixed and protected, even if the connecting bolts of the cathode lines 30 are broken, a single cathode line and the whole row of cathode lines can be fixed, and the broken cathode lines cannot be laterally or transversely lapped on the anode plate to cause output short circuit.

Further, this embodiment two still discloses a cathode equipment of electrostatic precipitator, and this cathode equipment includes that cathode equipment includes a plurality of negative pole lines 30 and fixing device, and a plurality of negative pole lines 30 are row and distribute and are fixed in on the 2 negative pole wire frameworks, and a plurality of negative pole lines 30 centre gripping between first splint 21 and 2 second splint 22. The matching relationship between the cathode line 30 and the fixing device can be referred to the related description of the first embodiment, and is not repeated herein. The cathode device further includes a hanging means 40, the hanging means 40 being installed on the columns 12 at both sides, the hanging means 40 being used to integrally hang the cathode line 30 and the fixing means from the external installation device.

The fixing device for electrostatic precipitator negative pole line and electrostatic precipitator's that this embodiment is disclosed utilizes the holder to every row of negative pole line monolithic stationary back, thereby the operation in-process negative pole line can not take place single fracture back and take on the anode plate and lead to this electric field output short circuit and withdraw from the operation to install the mode of holder additional on original frame, greatly reduced and reformed transform the expense, construction process is simple and clear, has improved electrostatic precipitator's operational reliability.

Although a few embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents, and that such changes and modifications are intended to be within the scope of the utility model.

Claims (9)

1. A fixing device for electrostatic precipitator negative pole line, its characterized in that, fixing device includes:

the cathode wire framework comprises at least two cross beams and at least two upright posts which are spliced with each other and used for fixing a plurality of cathode wires which are distributed in rows, and two ends of each cathode wire are respectively fixed on the cross beams;

the holder is fixed in just be located two on the negative pole wire frame between the crossbeam, the holder includes first splint and the second splint of the rectangular shape of relative fixed, first splint with the second splint are used for the centre gripping jointly be a plurality of negative pole lines of row distribution, just first splint with the extending direction of second splint with the extending direction nonparallel of negative pole line.

2. The fixing device for the cathode wires of the electric dust collector as claimed in claim 1, wherein the cross beam and the upright are mutually perpendicular and integrally formed, the extending direction of the first clamping plate and the second clamping plate is perpendicular to the extending direction of the upright, and the extending direction of the cathode wires is parallel to the extending direction of the upright.

3. The fixing device for the cathode wires of the electric dust collector as claimed in claim 2, wherein the number of the upright posts is multiple, and the first clamping plate and the second clamping plate are fixed on the upright posts in the middle area of the cathode wire frame.

4. The fixing device for the cathode wires of the electric dust collector as claimed in claim 3, wherein the first clamping plate and the second clamping plate are provided with a first threaded hole and a second threaded hole at positions close to the upright column in the middle region, the first threaded hole and the second threaded hole are located at two sides of the upright column in the middle region, and fixing bolts are installed in the first threaded hole and the second threaded hole respectively so as to fix the first clamping plate and the second clamping plate relatively.

5. The fixing device for the cathode wires of the electric dust collector as claimed in claim 4, wherein a third threaded hole and a fourth threaded hole are respectively formed at two ends of the first clamping plate and the second clamping plate, and the fixing bolt is installed at the third threaded hole and the fourth threaded hole so as to relatively fix two ends of the first clamping plate and the second clamping plate.

6. The fixing device for the cathode wire of the electric dust collector as claimed in claim 5, wherein each threaded hole is welded with a fixing bolt.

7. The fixing device for the cathode wires of the electric dust collector as claimed in claim 2, wherein the number of the clamping pieces and the number of the cross beams are multiple, and the clamping pieces and the cross beams are alternately distributed.

8. The fixing device for the cathode wire of the electric dust collector as claimed in any one of claims 1 to 7, wherein the first clamping plate and the second clamping plate are made of aluminum.

9. The cathode equipment of the electric dust collector is characterized by comprising a plurality of cathode wires and the fixing device of any one of claims 1 to 8, wherein the cathode wires are fixed on the cathode wire framework in a row distribution mode and are clamped between the first clamping plate and the second clamping plate.

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