CN218394131U

CN218394131U - Pre-charge anti-swing insulating device and electric dust collector

Info

Publication number: CN218394131U
Application number: CN202222290781.5U
Authority: CN
Inventors: 林航英; 章华熔; 钟志良
Original assignee: Fujian Longking Co Ltd.
Current assignee: Fujian Longking Co Ltd.
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-31
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a precharge anti-swing insulating device and an electric dust collector, which comprises a cathode frame positioned in a flue gas inlet, wherein the cathode frame comprises a plurality of split cathode frames, the split cathode frames are perpendicular to the flue gas inlet direction and are distributed in the width direction in an arrangement manner, and the cross rods of the adjacent split cathode frames are connected through a connecting piece; the cathode frame is connected with a top plate, a side plate and a bottom plate of the flue gas inlet through an upper swing-proof insulating mechanism, a middle swing-proof insulating mechanism and a lower swing-proof insulating mechanism. The pre-charging anti-swing insulation device can solve the problems of insufficient rigidity of a cathode frame and incapability of ensuring different polar distances caused by large span, and can solve the insulation problem between the cathode frame and a dust remover body.

Description

Pre-charge anti-swing insulating device and electric dust collector

Technical Field

The utility model relates to an electrostatic precipitator technical field especially relates to electrostatic precipitator's anticreep pendulum insulator arrangement of electricity. The utility model discloses still relate to and be equipped with the electric precipitator of anticreep electric pendulum insulator arrangement.

Background

The inlet of the electric dust collector is generally in a horn shape, three layers of air flow distribution plate devices are arranged in the inlet position, and other technical means are not adopted, so that the air flow is changed from disorder to order.

A preset electric field is additionally arranged at the third layer of air flow distribution plate in the horn-shaped inlet of the electric dust collector, and cathode lines of the preset electric field are arranged along the air flow direction. The electric dust collector with the structure can improve the specific dust collection area of the dust collector, but can occupy the space of the original distribution plate to cause uneven air flow, and can generate a proper and opposite effect.

And a part of electric dust collectors are additionally provided with a pre-charging device at an inlet horn position, cathode wires of the pre-charging device are rigidly connected with a first electric field, and the anti-swing insulation function is realized by depending on a first electric field cathode system. The electric dust collector with the structure can meet the requirements of rigid connection and insulation in principle, but can cause the rapping force of the cathode frame of the first electric field to be weakened, increase the risk of dust adhesion and influence the discharge performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pendulum insulator arrangement is prevented to anticreep electricity, it not only can solve the problem that the negative pole frame rigidity that leads to because of big span is not enough, the heteropolar distance can't be guaranteed, can solve the insulating problem between negative pole frame and dust remover body moreover.

Another object of the present invention is to provide an electric dust collector having the pre-charge anti-swing insulating device.

In order to achieve the above object, the utility model provides a precharge anti-swing insulating device, which comprises a cathode frame positioned in a flue gas inlet, wherein the cathode frame comprises a plurality of split cathode frames, the split cathode frames are perpendicular to the flue gas inlet direction and are distributed in the width direction, and the cross rods of the adjacent split cathode frames are connected through a connecting piece; the cathode frame is connected with a top plate, a side plate and a bottom plate of the flue gas inlet through an upper swing-proof insulating mechanism, a middle swing-proof insulating mechanism and a lower swing-proof insulating mechanism.

Optionally, the upper anti-swing insulation mechanism includes a cathode hanging beam, the top of the mast of each split cathode frame is connected to the cathode hanging beam, and an insulator is disposed between a suspension rod of the cathode hanging beam and a top plate of the flue gas inlet.

Optionally, the middle anti-swing insulation mechanism comprises a lateral anti-swing insulation assembly and a reinforcing sleeve, the middle cross rods of the split cathode frame are connected through the reinforcing sleeve, and at least two middle cross rods of the split cathode frame located on two sides are connected with the side plate of the flue gas inlet through the lateral anti-swing insulation assembly.

Optionally, the lateral anti-swing insulation assembly comprises a lateral anti-swing sleeve, a first insulation connector and a lateral plate anti-swing connector; the transverse anti-swing sleeve is connected to the end portion of the middle cross rod, the side plate anti-swing connecting piece is fixed to a side plate of the flue gas inlet, one end of the first insulation connecting piece is connected with the transverse anti-swing sleeve, and the other end of the first insulation connecting piece is connected with the side plate anti-swing connecting piece.

Optionally, the side plate anti-swing connecting piece comprises a base plate and a side plate anti-swing sleeve, the side plate anti-swing sleeve is fixed on the side plate of the flue gas inlet through the base plate, and is provided with a long round hole for connecting the first insulating connecting piece.

Optionally, the first insulating connector is a teflon insulating rod.

Optionally, one end of each reinforcing sleeve is fixedly connected with the corresponding middle cross rod, and the other end of each reinforcing sleeve is connected with the corresponding middle cross rod in an inserting mode.

Optionally, the lower anti-swing insulation mechanism includes a bottom anti-swing insulation assembly and a reinforcement assembly, the lower ends of the main masts of the split cathode frames are connected into a whole through the reinforcement assembly, and the reinforcement assembly is connected with the bottom plate of the flue gas inlet through the bottom anti-swing insulation assembly.

Optionally, the bottom anti-sway insulation assembly comprises a main mast anti-sway sleeve, a second insulation connector and a baseplate anti-sway connector; the main mast anti-swing sleeve is connected to the reinforcing assembly, the base plate anti-swing connecting piece is fixed to a base plate of a smoke inlet, one end of the second insulating connecting piece is connected with the main mast anti-swing sleeve, and the other end of the second insulating connecting piece is connected with the base plate anti-swing connecting piece.

Optionally, the bottom plate anti-swing connector comprises a base plate and a bottom plate anti-swing sleeve, the bottom plate anti-swing sleeve is fixed on the bottom plate of the flue gas inlet through the base plate, and is provided with a long circular hole for connecting the second insulation connector.

Optionally, the reinforcing assembly includes a first cross member and a second cross member, the first cross member and the second cross member are connected by multiple sets of baffles, a space into which the main mast can be inserted is formed between two baffles of each set of baffles, and each main mast is connected with the baffles on both sides of the main mast by a bolt.

Optionally, the second insulating connector is a teflon insulating rod.

Optionally, the upper cross rods of the adjacent split cathode frames are connected through an anti-twisting stop block, and/or the lower cross rods of the adjacent split cathode frames are connected through an anti-twisting stop block.

Optionally, the anti-twisting stopper is U-shaped, and a connecting hole is formed at the bottom of the U-shaped structure of the anti-twisting stopper to connect the corresponding end portions of the upper cross bar and/or the lower cross bar.

In order to achieve the other purpose, the invention provides an electric dust collector, which comprises a dust collector body with a smoke inlet and a smoke outlet, wherein a pre-charging device is arranged inside the smoke inlet, and the pre-charging device is provided with any one of the pre-charging anti-swing insulating devices.

The utility model provides a pendulum insulator arrangement is prevented to precharge, its negative pole frame is connected through the connecting piece by a plurality of split type negative pole frames, form a unified whole, sufficient rigidity has, and, its upper portion is prevented through upper portion that pendulum insulator constructs and is connected with the roof of flue gas inlet, the middle part is prevented through the middle part that pendulum insulator constructs and is connected with the curb plate of flue gas inlet, the lower part is prevented through the lower part that pendulum insulator constructs and flue gas inlet's bottom plate is connected, can guarantee the heteropolar distance that precharge electric installation rigidity and distributing plate and precharge electric installation formed, can guarantee the insulating properties of precharge electric installation and dust remover body equipment again, ensure equipment and personal safety.

The utility model provides an electrostatic precipitator is equipped with pendulum insulator arrangement is prevented to anticreep electricity, because anticreep electricity prevents that pendulum insulator arrangement has above-mentioned technological effect, then the electrostatic precipitator who is equipped with this anticreep electricity prevents pendulum insulator arrangement also should have corresponding technological effect.

Drawings

Fig. 1 is a schematic structural diagram of a precharge anti-swing insulating device according to an embodiment of the present invention;

FIG. 2 is a view of the precharge anti-swing insulator shown in FIG. 1 from direction A;

FIG. 3 is a schematic view of the reinforcement sleeve being connected to the center rail;

FIG. 4 is a schematic view of the construction of the lateral anti-sway insulation assembly;

FIG. 5 is a schematic view of a reinforcement assembly;

FIG. 6 is a schematic structural view of a bottom anti-swing insulation assembly;

FIG. 7 is a schematic structural view of an anti-twist stopper;

FIG. 8 is a side view of the anti-twist stop shown in FIG. 7.

In the figure:

cathode frame-10 split cathode frame-11 cross bar-111 main mast-112 top plate-21 side plate-22 bottom plate-23 cathode hanging beam-31 insulator-32 transverse anti-sway insulation assembly-40 transverse anti-sway sleeve-41 first insulation connector-42 side plate anti-sway connector-43 backing plate-431 side plate anti-sway sleeve-432 reinforcement sleeve-50 bottom anti-sway insulation assembly-60 main mast anti-sway sleeve-61 second insulation connector-62 bottom plate anti-sway connector-63 backing plate-631 bottom plate anti-sway sleeve-632 reinforcement assembly-70 first transverse member-71 second transverse member-72 baffle-73 anti-twist stop-80

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

In this document, terms such as "upper, lower, inner, and outer" are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, the terms are not to be interpreted as absolute limitations on the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a pre-charge anti-swing insulating device according to an embodiment of the present invention; fig. 2 is a view of the precharge anti-swing insulator shown in fig. 1 in a direction a.

As shown in the drawings, in an embodiment, the present invention provides a precharge anti-swing insulating device, wherein the cathode frame 10 located in the flue gas inlet is composed of a plurality of split cathode frames 11, the split cathode frames 11 are perpendicular to the flue gas inlet direction and arranged in the width direction, and the cross rods 111 of the adjacent split cathode frames 11 are connected to the anti-twist stopper 80 through the following reinforcing sleeve 50.

Because the pre-charging device is arranged at the horn-shaped flue gas inlet of the dust remover, the arrangement mode is vertical to the direction of air flow, the wind speed at the position is higher than that in the electric field, the borne wind pressure is higher, and the cathode frame 10 can shake due to insufficient rigidity. In addition, because the purpose of the pre-charging device is to pre-charge the dust before entering the electric field in the dust remover, a higher voltage (more than 5 ten thousand volts in the operation process) needs to be applied, so that the pre-charging device is required to be fully insulated from an inlet horn, and the safety of equipment and personnel is ensured.

In this regard, the cathode frame 10 in this embodiment is connected to the top plate 21, the side plate 22 and the bottom plate 23 of the flue gas inlet through an upper anti-swing insulating mechanism, a middle anti-swing insulating mechanism and a lower anti-swing insulating mechanism, respectively.

The upper swing-proof insulation mechanism mainly comprises a cathode hanging beam 31 and insulators 32, the upper ends of main masts 112 of the three split cathode frames 11 are welded on the cathode hanging beam 31, the insulators 32 are arranged between a suspension rod of the cathode hanging beam 31 and a top plate 21 of a flue gas inlet, and the insulators 32 are used for insulation.

Because each split cathode frame 11 adopts a double-mast small frame structure, the upper end of the main mast 112 is welded with the cathode hanging beam 31, and the upper anti-swing requirement can be met by the rigidity of the cathode hanging beam 31 and the cathode frame 10.

Referring to fig. 3 and 4, fig. 3 is a schematic view illustrating the connection between the reinforcing sleeve and the middle cross bar; fig. 4 is a schematic structural view of the lateral anti-swing insulating assembly.

The middle anti-swing insulation mechanism mainly comprises a lateral anti-swing insulation assembly 40 and a reinforcing sleeve 50, the middle cross rods 111 of the adjacent split cathode frames 11 are connected through the reinforcing sleeve 50, and the third layer and the fifth layer middle cross rods 111 of the split cathode frames 11 on the two sides are connected with the side plate 22 of the flue gas inlet through the lateral anti-swing insulation assembly 40.

The reinforcing sleeve 50 is the same as the material of the cathode frame 10, and is fixed through the reinforcing sleeve 50, so that the split cathode frames 11 arranged in rows can be connected into a whole, the split cathode frames are not easy to shake due to insufficient rigidity, the middle cross rods 111 on the two sides of the cathode frame 10 are connected with the side plates 22 of the horn-shaped smoke inlets through the lateral anti-swing insulating assemblies 40, and the cathode frame 10 and the side plates 22 can be connected into a whole.

Specifically, the lateral anti-swing insulating assembly 40 is mainly composed of a lateral anti-swing bushing 41, a first insulating connector 42 and a lateral plate anti-swing connector 43, the lateral anti-swing bushing 41 is a circular tube, the material of the lateral anti-swing bushing is the same as that of the cathode frame 10, and the lateral anti-swing bushing 41 is connected to the end of the middle cross bar 111; swing connecting piece 43 is prevented mainly by backing plate 431 and curb plate and is prevented that pendulum sleeve 432 constitutes, curb plate is prevented that pendulum sleeve 432 is fixed in flue gas inlet's curb plate 22 through backing plate 431, and offer the bolt hole that is used for connecting first insulation connecting piece 42, for guaranteeing certain flexible surplus, the bolt hole that the curb plate was prevented on the pendulum sleeve 432 is the slotted hole, transversely prevent offering the bolt hole that two groups interval distribution on the pendulum sleeve 41, first insulation connecting piece 42's one end is inserted transversely and is prevented pendulum sleeve 41 and be connected through the bolt, first insulation connecting piece 42's the other end is inserted the curb plate and is prevented pendulum sleeve 432 and be connected through the bolt, when the installation, after the bolt-up, can weld the nut.

Since the cathode frame 10 has to perform the discharging function, the connection with the side plate 22 will result in the electrification of the equipment, and there is a safety risk, therefore, the first insulating connector 42 is made of insulating material. In this embodiment, the first insulating connecting member 42 is a teflon insulating rod, which has a temperature resistance range of-30 ℃ to 300 ℃, a compressive strength of not less than 24MPa, a bending strength of not less than 11MPa, a withstand voltage of more than 100kV, and a breakdown voltage of more than 120kV.

Because the cathode frame 10 is arranged in the inlet horn, the temperature of the flowing flue gas is conventionally 120 ℃ and above, and the expansion and contraction phenomena are easy to occur, therefore, one end of the reinforcing sleeve 50 is fixedly connected with the corresponding middle cross rod 111, the other end of the reinforcing sleeve is in plug-in connection with the corresponding middle cross rod 111, namely, one end of the reinforcing sleeve 50 is fixedly connected, the other end of the reinforcing sleeve is movably connected, in order to ensure that the middle cross rod 111 is firmly connected with the reinforcing sleeve 50, the length of the reinforcing sleeve 50 inserted into the middle cross rod 111 is 50-100 mm, and a certain expansion amount is reserved while the rigidity is ensured.

Referring to fig. 5 and 6, fig. 5 is a schematic structural view of a reinforcing member; fig. 6 is a schematic structural view of the bottom anti-swing insulation assembly.

The lower anti-swing insulation mechanism mainly comprises a bottom anti-swing insulation assembly 60 and a reinforcement assembly 70, the lower ends of the main masts 112 of the split cathode frames 11 are connected into a whole through the reinforcement assembly 70, and the reinforcement assembly 70 is connected with the bottom plate 23 of the flue gas inlet through the bottom anti-swing insulation assembly 60.

Specifically, the reinforcement assembly 70 is mainly composed of a first transverse member 71 and a second transverse member 72, the first transverse member 71 and the second transverse member 72 are connected through a plurality of sets of baffles 73, in the embodiment, the first transverse member 71 and the second transverse member 72 are angle steels arranged in a back-to-back manner, a gap of about 55mm is left between the angle steels, so that the main mast 112 can pass through the gap, two baffles 73 of each set of baffles and the angle steels form a space into which the main mast 112 can be inserted, and the baffles 73 are provided with openings

Each main mast 112 passes through the stop plates 73 on both sides thereofThe latch is connected to position the main mast 112.

By additionally arranging the reinforcing component 70 at the lower part, the split cathode frames 11 arranged in rows can be connected into a whole, so that the rigidity of the cathode frame 10 is further enhanced, and the cathode frame is effectively prevented from shaking.

The bottom anti-swing insulating assembly 60 is mainly composed of a main mast anti-swing sleeve 61, a second insulating connector 62 and a bottom plate anti-swing connector 63, the main mast anti-swing sleeve 61 is a round tube, the material of the main mast anti-swing sleeve is the same as that of the cathode frame 10, and the main mast anti-swing sleeve 61 is connected to the reinforcement assembly 70; the bottom plate anti-swing connector 63 mainly comprises a backing plate 631 and a bottom plate anti-swing sleeve 632, the bottom plate anti-swing sleeve 632 is fixed on the bottom plate 23 of the flue gas inlet through the backing plate 631, and a bolt hole for connecting the second insulating connector 62 is formed, in order to guarantee a certain telescopic margin, the bolt hole in the bottom plate anti-swing sleeve 63 is a long round hole, a group of bolt holes is formed in the main mast anti-swing sleeve 61 and is used for being connected with the reinforcing component 70, one end of the second insulating connector 62 is inserted into the main mast anti-swing sleeve 61 and is connected through a bolt, the other end of the second insulating connector 62 is inserted into the bottom plate anti-swing sleeve 632 and is connected through a bolt, when the connector is installed, after the bolt is fastened, a nut can be welded.

Similarly, since the cathode frame 10 needs to perform a discharging function and is connected to the bottom plate 23, the device is electrified, which causes a safety hazard, and therefore, the second insulating connecting member 62 is also made of an insulating material. In this embodiment, the second insulating connecting member 62 is a teflon insulating rod, which has a temperature resistance ranging from-30 ℃ to 300 ℃, a compressive strength of not less than 24MPa, a bending strength of not less than 11MPa, a withstand voltage of more than 100kV, and a breakdown voltage of more than 120kV.

Referring to fig. 7 and 8, fig. 7 is a schematic structural view of the anti-twist stopper; fig. 8 is a side view of the anti-twist stop shown in fig. 7.

Because the cathode frame 10 is arranged inside the trumpet-shaped flue gas inlet in a way of being vertical to the flue gas at the inlet, and 2-4 rows of split cathode frames 11 are arranged in the width direction according to the size of the inlet, the frames are not connected with each other, and therefore, the anti-torsion stop block 80 can be arranged between the upper cross rod 111 and the lower cross rod 111 of the frames to play a role in strengthening and preventing swinging.

Specifically, the anti-twisting block 80 is U-shaped, a connecting hole is formed in the bottom of the U-shaped structure, the upper cross rods 111 of the adjacent split cathode frames 11 are connected through the anti-twisting block 80, and the lower cross rods 111 of the adjacent split cathode frames 11 are also connected through the anti-twisting block 80.

The above embodiments are merely preferred embodiments of the present invention, and are not limited thereto, and on the basis of the above embodiments, the present invention can be specifically adjusted according to actual needs, so as to obtain different embodiments. For example, the arrangement number of the upper anti-swing insulation mechanism, the middle anti-swing insulation mechanism and the lower anti-swing insulation mechanism is adjusted according to the width of the smoke inlet, and the like. This is not illustrated here, since many implementations are possible.

This anticyclone insulating apparatus of precharge, adopt upper, middle, lower three groups prevent the pendulum insulating mechanism, make it link into a unified whole with dust remover flue gas inlet, the rigidity requirement of all-round assurance cathode frame, wherein, the top is insulating to adopt insulator 32, make full use of current structure, save the cost, middle part and bottom adopt with the horizontal pole 111 of cathode frame 10 and the insulating rod of main mast 112 appearance and size unanimity basically, moreover, the steam generator is simple in structure, and the maintenance of being convenient for, not only can solve the cathode frame rigidity that leads to because of the big span not enough, the problem that different polar distance can't be guaranteed, and can solve the insulating problem between cathode frame and dust remover body.

It should be noted here that the above pre-charging anti-swing insulation device is not only suitable for the flue gas inlet position, but also suitable for anti-swing insulation of other cathode frames arranged perpendicular to the flue gas.

Except that above-mentioned pendulum insulator arrangement is prevented in precharge, the utility model discloses still provide an electric precipitator, its dust remover body has gas inlet and exhanst gas outlet to be equipped with the precharge device in gas inlet's inside, precharge device has the precharge pendulum insulator arrangement of preventing of above-mentioned description, and about all the other structures of electric precipitator, please refer to prior art, this text is no longer repeated.

It is right above that the utility model provides a anticreep electric anti-swing insulator arrangement and electrostatic precipitator introduce in detail. The principle and the implementation of the present invention are explained by applying a specific embodiment, and the description of the above embodiment is only used to help understand the core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims

1. The pre-charging anti-swing insulating device is characterized by comprising a cathode frame positioned in a flue gas inlet, wherein the cathode frame comprises a plurality of split cathode frames, the split cathode frames are perpendicular to the flue gas inlet direction and are distributed in an arrangement manner in the width direction, and cross rods of the adjacent split cathode frames are connected through a connecting piece; the cathode frame is connected with a top plate, a side plate and a bottom plate of the flue gas inlet through an upper swing-proof insulating mechanism, a middle swing-proof insulating mechanism and a lower swing-proof insulating mechanism.

2. The pre-charge anti-swing insulation device according to claim 1, wherein the upper anti-swing insulation mechanism comprises a cathode suspension beam, the top of the mast of each split cathode frame is connected to the cathode suspension beam, and an insulator is arranged between the suspension rod of the cathode suspension beam and the top plate of the flue gas inlet.

3. The pre-charge anti-swing insulation device according to claim 1, wherein the middle anti-swing insulation mechanism comprises a lateral anti-swing insulation assembly and a reinforcing sleeve, the middle cross bars of adjacent split cathode frames are connected through the reinforcing sleeve, and at least two middle cross bars of the split cathode frames on two sides are connected with the side plate of the flue gas inlet through the lateral anti-swing insulation assembly.

4. The pre-charge anti-swing insulation device of claim 3, wherein the lateral anti-swing insulation assembly comprises a lateral anti-swing sleeve, a first insulation connector, and a side plate anti-swing connector; the transverse anti-swing sleeve is connected to the end portion of the middle cross rod, the side plate anti-swing connecting piece is fixed to a side plate of the flue gas inlet, one end of the first insulation connecting piece is connected with the transverse anti-swing sleeve, and the other end of the first insulation connecting piece is connected with the side plate anti-swing connecting piece.

5. The pre-charge anti-swing insulating device according to claim 4, wherein the side plate anti-swing connecting piece comprises a base plate and a side plate anti-swing sleeve, the side plate anti-swing sleeve is fixed to a side plate of the flue gas inlet through the base plate, and is provided with a long circular hole for connecting the first insulating connecting piece.

6. The pre-charge anti-swing insulation device according to claim 4 or 5, wherein the first insulation connector is a polytetrafluoroethylene insulation rod.

7. The pre-charge anti-swing insulation device according to claim 3, wherein one end of the reinforcing sleeve is fixedly connected with the corresponding middle cross bar, and the other end of the reinforcing sleeve is connected with the corresponding middle cross bar in an inserting manner.

8. The pre-charge anti-swing insulation device according to claim 1, wherein the lower anti-swing insulation mechanism comprises a bottom anti-swing insulation assembly and a reinforcement assembly, the lower ends of the main masts of the split cathode frames are connected into a whole through the reinforcement assembly, and the reinforcement assembly is connected with the bottom plate of the flue gas inlet through the bottom anti-swing insulation assembly.

9. The pre-charge anti-sway insulator of claim 8, wherein said bottom anti-sway insulator assembly comprises a main mast anti-sway bushing, a second insulating connector, and a base plate anti-sway connector; the main mast anti-swing sleeve is connected to the reinforcing assembly, the base plate anti-swing connecting piece is fixed to a base plate of a smoke inlet, one end of the second insulating connecting piece is connected with the main mast anti-swing sleeve, and the other end of the second insulating connecting piece is connected with the base plate anti-swing connecting piece.

10. The pre-charge anti-swing insulating device according to claim 9, wherein the bottom plate anti-swing connecting piece comprises a base plate and a bottom plate anti-swing sleeve, the bottom plate anti-swing sleeve is fixed to the bottom plate of the flue gas inlet through the base plate, and is provided with a long circular hole for connecting the second insulating connecting piece.

11. The pre-charge anti-swing insulator of claim 9, wherein the reinforcement assembly comprises a first cross member and a second cross member, the first cross member and the second cross member are connected by a plurality of sets of baffles, a space for inserting the main mast is formed between two baffles of each set of baffles, and each main mast is connected with the baffles on two sides of the main mast by a bolt.

12. The pre-charge anti-sway insulator arrangement of claim 9, 10 or 11, wherein said second insulating connector is a polytetrafluoroethylene insulating rod.

13. The pre-charge anti-swing insulation device according to claim 1, wherein the upper cross bars of the adjacent split cathode frames are connected through an anti-twist block, and/or the lower cross bars of the adjacent split cathode frames are connected through an anti-twist block.

14. The pre-charge anti-swing insulating device according to claim 13, wherein the anti-twist stopper is U-shaped, and the bottom of the U-shaped structure thereof is provided with a connecting hole for connecting the corresponding end of the upper cross bar and/or the lower cross bar.

15. An electric dust collector, comprising a dust collector body with a smoke inlet and a smoke outlet, wherein a pre-charging device is arranged inside the smoke inlet, and the pre-charging device is provided with the pre-charging anti-swing insulation device as claimed in any one of the claims 1 to 14.