CN219129554U - Wet electric dust collector - Google Patents

Abstract

The utility model discloses a wet electric dust collector, and relates to the technical field of flue gas dust collection. The wet electric dust collector comprises a tower body, a spraying device, a first supporting plate, an anode structure, a second supporting plate, a plurality of cathode wires and at least one titanium alloy strip wound on the supporting rod, wherein the spraying device, the first supporting plate, the anode structure and the second supporting plate are sequentially arranged in the tower body from top to bottom; a plurality of titanium alloy barbed points are fixed on the outer side surface of the titanium alloy strip. The titanium alloy barbed points are fixed on the supporting rod through the titanium alloy strips, so that the titanium alloy barbed points can be effectively prevented from falling off the supporting rod due to corrosion.

Description

Wet electric dust collector

Technical Field

The utility model relates to the technical field of flue gas dust removal, in particular to a wet electric dust removal device.

Background

The wet electric dust collector is one common equipment for fume treatment and has the mechanism that electrons are released via the cathode wire to charge the dust in fume, so that the charged dust is adsorbed onto the anode and the dust on the anode is washed down via the spray device. The cathode wire is generally made of a straight iron rod, a plurality of barbs are arranged on the straight iron rod, and after the electricity is conducted, the barbs on the cathode wire can release more electrons, so that the cathode wire is an important functional component in the cathode wire. In the prior art, the barbed is generally directly welded on the straight iron rod, because the iron material is easy to rust, and the welding area of the barbed and the straight iron rod is very small, in the operation process of the wet electric dust collector, the welded part of the barbed and the straight iron rod is easy to fall off due to the combined action of electric corrosion and chemical corrosion, so that the dust collection effect is greatly reduced.

In addition, the length of the cathode wire is large and can reach more than 6 meters, so that the cathode wire is difficult to be taken out for maintenance or replacement after the barbed wire falls off too much. In addition, when installing, because the length of negative pole line is big, also can only be installed first, then carry out the capping to the dust removal tower, this leads to the top of dust removal tower to need again to scribble waterproof layer and anticorrosive coating etc. very troublesome. And when the tower top is reinstalled, various impurities such as dust, scrap iron and the like fall onto the cathode line or the anode, and the operation of the cathode line or the anode is influenced.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a wet electric dust collector, which aims to solve the technical problem that the barbed holes on the cathode wire in the prior art are easy to fall off due to corrosion.

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

the wet electric dust collector comprises a tower body, a spraying device, a first supporting plate, an anode structure, a second supporting plate and a plurality of cathode wires, wherein the spraying device, the first supporting plate, the anode structure and the second supporting plate are sequentially arranged in the tower body from top to bottom; the anode structure comprises a plurality of vertically arranged anode pipes, and a plurality of cathode wires respectively penetrate through the anode pipes; the cathode wire comprises a supporting rod and at least one titanium alloy strip wound on the supporting rod, wherein two ends of the titanium alloy strip are fixedly connected with the supporting rod; a plurality of titanium alloy barbed points are fixed on the outer side surface of the titanium alloy strip.

The wet electric dust collector is characterized in that a plurality of first through holes are formed in the first supporting plate; the support rod is characterized by further comprising a plurality of first connecting pieces, wherein the top surfaces of the first connecting pieces are fixedly connected with the bottom surface of the first support plate, and the side surfaces of the first connecting pieces are fixedly connected with the top of the support rod.

The wet electric dust collector is characterized in that a plurality of second through holes are formed in the second supporting plate; the support rod is characterized by further comprising a plurality of second connecting pieces, wherein the bottom surfaces of the second connecting pieces are fixedly connected with the top surface of the second support plate, and the side surfaces of the second connecting pieces are fixedly connected with the bottom of the support rod.

The wet electric dust collector comprises a support rod, a cathode wire, a hanger and a support rod, wherein the cathode wire further comprises a hanger, the hanger is arranged at the top of the support rod and used for temporarily hanging the cathode wire on the anode tube in the installation process.

The wet electric dust collector comprises a support rod, a dust collector body and a dust collector body, wherein the support rod comprises a top rod and a bottom rod which are connected through threads; the ejector rod is fixedly connected with the first supporting plate; the bottom rod is fixedly connected with the second supporting plate; the titanium alloy strips are respectively wound on the top rod and the bottom rod.

The wet electric dust collector is characterized in that at least one connecting rod is arranged between the ejector rod and the bottom rod, and two ends of the connecting rod are respectively connected with the ejector rod and the bottom rod through threads; the titanium alloy strip is also wound on the connecting rod.

The wet electric dust collector is characterized in that third through holes are respectively formed in the upper part and the lower part of the top rod, the connecting rod and the bottom rod, and two ends of the titanium alloy strip respectively penetrate through the third through holes and are fixedly connected with the hole walls of the third through holes.

The wet electric dust collector is characterized in that the joint of the two ends of the titanium alloy strip and the supporting rod is also covered with a glass fiber reinforced plastic layer.

The wet electric dust collector is characterized in that a reinforcing ring is arranged at the bottom of the anode structure and used for improving the strength of the bottom of the anode structure.

The wet electric dust collector comprises a tower body, wherein a plurality of fixing blocks are circumferentially arranged on the inner side wall of the tower body, annular protrusions are circumferentially arranged on the top of the outer side wall of the anode structure, the bottom surfaces of the annular protrusions are respectively connected with the top surfaces of the fixing blocks, and the fixing blocks are used for erecting the anode structure in the tower body

The beneficial effects are that:

the utility model provides a wet electric dust collector which is characterized in that titanium alloy barbed wires are fixed on a titanium alloy strip, and the barbed wires are effectively reduced from falling off due to corrosion by utilizing the corrosion resistance of the titanium alloy. And form the negative pole line through titanium alloy strip winding on the bracing piece, provide holding power through the winding effect, reduce the atress of the welding point of titanium alloy strip and bracing piece, let titanium alloy strip can keep stable, the installation is simple. Compared with the welding of a single barbed wire and the supporting rod, the contact surface of the titanium alloy strip and the supporting rod is large, so that strong friction force can be generated, and even if the welding sites at the top and the bottom are corroded, the titanium alloy strip is not easy to fall off from the supporting rod.

Drawings

Fig. 1 is a schematic structural diagram of a wet electric dust collector provided by the utility model.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is an enlarged view of fig. 1 at B.

Fig. 4 is an enlarged view of fig. 1 at C.

Fig. 5 is a top view of the anode tube.

Fig. 6 is a schematic structural view of the first support plate.

Fig. 7 is a schematic structural view of the second support plate.

Fig. 8 is a schematic structural diagram of a cathode line in one embodiment.

Fig. 9 is a schematic diagram of a second structure of a cathode line in an embodiment.

Fig. 10 is an enlarged view of fig. 9 at D.

Fig. 11 is an enlarged view of fig. 9 at E.

Fig. 12 is a schematic diagram of a cathode line according to an embodiment.

FIG. 13 is a schematic view of the connection structure of the top ends of the titanium alloy strips, the support rods and the glass fiber reinforced plastic layer.

Fig. 14 is a schematic structural view of the hanger.

Description of main reference numerals: the device comprises a 1-tower body, a 2-spraying device, a 3-first supporting plate, a 4-anode structure, a 5-second supporting plate, a 6-cathode wire, a 41-anode tube, a 61-supporting rod, a 62-titanium alloy strip, a 63-titanium alloy barbed wire, a 31-first through hole, a 7-first connecting piece, a 51-second through hole, an 8-second connecting piece, a 611-ejector rod, a 612-bottom rod, a 613-connecting rod, a 614-third through hole, a 9-glass fiber reinforced plastic layer, a 42-reinforcing ring, a 43-annular bulge, a 11-fixed block and a 615-hook.

Detailed Description

The utility model provides a wet electric dust collector, which is further described in detail below with reference to the accompanying drawings and examples in order to make the purpose, technical scheme and effect of the utility model clearer and more definite. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, for convenience in describing the present utility model and simplifying the description, and do not refer to or imply that the apparatus or element referred to must have a specific orientation, as well as a specific orientation configuration and operation, and therefore, should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Referring to fig. 1 and 8, the present utility model provides a wet electric dust collector, which comprises a tower body 1, a spraying device 2, a first support plate 3, an anode structure 4 and a second support plate 5, which are sequentially arranged in the tower body 1 from top to bottom, and a plurality of cathode wires 6, wherein the top ends and the bottom ends of the cathode wires 6 are fixedly connected with the first support plate 3 and the second support plate 5 respectively; the anode structure 4 comprises a plurality of anode pipes 41 which are vertically arranged, and a plurality of cathode wires 6 respectively penetrate through the anode pipes 41; the cathode wire 6 comprises a support rod 61 and at least one titanium alloy strip 62 wound on the support rod 61, wherein a plurality of titanium alloy barbs 63 are fixed on the outer side surface of the titanium alloy strip 62. Specifically, the top and bottom of the support rod 61 are fixedly connected to the first support plate 3 and the second support plate 5, respectively. The titanium alloy strip 62 and the titanium alloy burr 63 have excellent corrosion resistance, and can effectively avoid falling off due to corrosion. In addition, the titanium alloy has high current density, which can help to release more electrons and improve the dust removal effect. Specifically, the titanium alloy strip 62 is tightly wound around the support rod 61, and both ends thereof are welded to the support rod 61, respectively. The titanium alloy strip 62 is welded and fixed only at both ends, so that the difficulty in installation can be reduced. Referring to fig. 5, the anode tube 41 is preferably a round tube or a honeycomb tube, wherein the utilization area of the honeycomb tube is the largest. In use, the titanium alloy barbed wire 63 on the cathode wire 6 releases a large amount of electrons, and when the flue gas containing dust passes through the anode tubes 41, the dust therein combines with the released electrons, and the dust particles with negative charges are adsorbed on the walls of the anode tubes 41 under the action of the electric attraction force, thereby completing the dust removal of the flue gas. When the wall of the anode tube 41 accumulates dust with a certain thickness, the spraying device 2 can be started to flush the anode tube 41, and sewage containing a large amount of dust particles is collected to the bottom of the tower body 1 and discharged.

Referring to fig. 3 and 6, in one embodiment, the first support plate 3 is provided with a plurality of first through holes 31; the utility model also comprises a plurality of first connecting pieces 7, the top surface of the first connecting pieces 7 is fixedly connected with the bottom surface of the first supporting plate 3, and the side surface is fixedly connected with the top of the supporting rod 61. The first through hole 31 is for gas permeation and may be used for mounting the first connector 7. The anode tube 41 corresponds to a part of the first through holes 31, and the first through holes 31 can be used as positioning holes to screw the first connecting piece 7 with the first supporting plate 3, so that the support rod 61 is ensured to be accurately positioned in the middle of the anode tube 41, and short circuit caused by contact between the titanium alloy barbed holes 63 on the cathode wire 6 and the wall of the anode tube 41 is effectively avoided. Preferably, the first connecting piece 7 is a 7-shaped connecting piece. Preferably, the first connecting member 7 may be connected to the cathode wire 6 in a screw-type manner.

Referring to fig. 4 and 7, in one embodiment, a plurality of second through holes 51 are formed in the second support plate 5; the device also comprises a plurality of second connecting pieces 8, wherein the bottom surface of each second connecting piece 8 is fixedly connected with the top surface of the second supporting plate 5, and the side surface of each second connecting piece is fixedly connected with the bottom of the supporting rod 61. The second through holes 51 provided in the second support plate 5 allow the flue gas to be redistributed so that it more uniformly enters into each anode tube 41, improving the dust removal effect. Specifically, the second support plate 5 may have the same structure as the first support plate 3. Preferably, the second connecting piece 8 is an L-shaped connecting piece. Preferably, the second connecting piece 8 may be connected to the second support plate 5 and the cathode wire 6, respectively, in a threaded manner.

Referring to fig. 14, in one embodiment, the cathode wire 6 further includes a hook 615, the hook 615 is disposed on top of the support rod 61, and the hook 615 is used to temporarily suspend the cathode wire 6 on the anode tube 41 during the installation process, so as to facilitate the installation operation. In actual installation, the space within the tower is small, and in order to ensure safety, only one to two workers typically perform the installation and welding operations within the tower. The cathode wire 6 may be hung on the anode tube 41 through the hanger 615, and then a worker sequentially fixedly connects the top of the cathode wire 6 with the first connection member 7.

Referring to fig. 9, 10 and 11, in one embodiment, the supporting rod 61 includes a top rod 611 and a bottom rod 612 connected by threads; the top of the ejector rod 611 is fixedly connected with the first supporting plate 3; the bottom of the bottom rod 612 is fixedly connected with the second supporting plate 5; the titanium alloy strips 62 are wound around the top rods 611 and the bottom rods 612, respectively. The support rods 61 are arranged in a segmented mode, so that the support rods can be conveniently conveyed into the tower through manholes formed in the tower, and the mode that lifting enters from the tower top is not needed. So that the cathode wire 6 can be installed after the installation of the tower top, and the damage to the installed cathode wire 6 caused by the later installation of the tower top can be avoided.

Referring to fig. 12, in one embodiment, the supporting rod 61 further includes at least one connecting rod 613, the connecting rod 613 is disposed between the top rod 611 and the bottom rod 612, the top and bottom of the connecting rod 613 are respectively screwed with the top rod 611 and the bottom rod 612, and the titanium alloy strip 62 is wound on the connecting rod 613. A connecting rod 613 may be added between the top rod 611 and the bottom rod 612 to increase the total length of the cathode wire 6 according to actual needs.

Referring to fig. 9, 11 and 12, in one embodiment, threaded holes are respectively formed on the bottom surfaces of the top rod 611 and the connecting rod 613, and threaded rods are respectively formed on the top ends of the connecting rod 613 and the bottom rod 612; the threaded hole is matched with the screw rod. Connect through screw rod and screw hole, need not to weld, easy operation, it is convenient.

Referring to fig. 9 and 10, in one embodiment, the top rod 611, the connecting rod 613 and the bottom rod 612 are respectively provided with a third through hole 614 at the upper part and the lower part, and two ends of the titanium alloy strip 62 respectively pass through the third through holes 614 and are fixedly connected with the walls of the third through holes 614. In the process of installation, a plurality of titanium alloy strips 62 are tightly wound on the ejector rod 611, the connecting rod 613 and the bottom rod 612 respectively, and then two ends of the titanium alloy strips 62 pass through the third through holes 614 respectively, and then are welded and fixed. The bottom rod 612, the connecting rod 613 and the top rod 611 are sequentially connected and then pass through the first through hole 311 on the first support plate 3, and then can be fixedly connected with the first connecting piece 7. By dividing the cathode wire 6 into a plurality of parts of smaller volume, it is possible to facilitate transportation of the cathode wire 6 into the tower and to facilitate installation in a tower of smaller space.

Referring to fig. 13, in one embodiment, the connection between the two ends of the titanium alloy strip 62 and the support rod 61 is further covered with a glass fiber reinforced plastic layer 9, and the glass fiber reinforced plastic layer 9 is used for protecting the welding site and reducing corrosion. The glass fiber reinforced plastic has the characteristics of strong oxidation resistance and corrosion resistance, and can effectively prevent the welding sites of the titanium alloy strips 62 and the iron support rods 61 from being corroded after being covered on the welding sites. Compared with the whole structure which adopts glass fiber reinforced plastic, the local structure which adopts glass fiber reinforced plastic can effectively reduce the cost.

Referring to fig. 2, in one embodiment, a reinforcing ring 42 is disposed at the bottom of the anode structure 4, and the reinforcing ring 42 is used to increase the strength of the bottom of the anode structure 4. Specifically, the reinforcing ring 42 is circumferentially disposed along the bottom of the outer sidewall of the anode structure 4. The anode structure 4 may be up to 6 meters high, adapted to the length of the cathode wire 6. However, the thickness of the anode structure 4 is generally only 3-4 cm, so that the strength is low, and the bottom of the anode structure 4 is easy to collide during hoisting, so that the bottom of the anode structure 4 is deformed, and the use is affected. The bottom strength can be effectively improved by arranging the reinforcing ring 42, and the bottom strength is not deformed even if collision occurs in the hoisting process.

Referring to fig. 1, in one embodiment, a plurality of fixing blocks 11 are circumferentially disposed on an inner sidewall of the tower body 1, an annular protrusion 43 is circumferentially disposed on a top of an outer sidewall of the anode structure 4, bottom surfaces of the annular protrusions 43 are respectively connected with top surfaces of the plurality of fixing blocks 11, and the fixing blocks 11 are used for erecting the anode structure 4 in the tower body 1. The spraying device 2 sprays tap water to flush dust on the wall of the anode tube 41. The anode structure 4 is erected in the tower body 1, so that the bottom can be prevented from obstructing the sewage discharge after flushing.

In summary, the titanium alloy barbed holes 63 are arranged on the titanium alloy strip 62, and then the titanium alloy strip 62 is wound and fixed on the support rod 61, so that the barbed holes can be effectively prevented from falling off due to corrosion through the corrosion resistance of the titanium alloy. In addition, the titanium alloy strip 62 only needs to be welded with the support rods 61 at the top and bottom ends, and the assembly is simple.

It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present utility model and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the following claims.

Claims (10)

1. The wet electric dust collector comprises a tower body, a spraying device, a first supporting plate, an anode structure, a second supporting plate and a plurality of cathode wires, wherein the spraying device, the first supporting plate, the anode structure and the second supporting plate are sequentially arranged in the tower body from top to bottom; the anode structure comprises a plurality of vertically arranged anode pipes, and a plurality of cathode wires respectively penetrate through the anode pipes; the cathode wire is characterized by comprising a supporting rod and at least one titanium alloy strip wound on the supporting rod, wherein two ends of the titanium alloy strip are fixedly connected with the supporting rod;

a plurality of titanium alloy barbed points are fixed on the outer side surface of the titanium alloy strip.

2. The wet electric dust collector according to claim 1, wherein a plurality of first through holes are provided on the first support plate; the support rod is characterized by further comprising a plurality of first connecting pieces, wherein the top surfaces of the first connecting pieces are fixedly connected with the bottom surface of the first support plate, and the side surfaces of the first connecting pieces are fixedly connected with the top of the support rod.

3. The wet electric dust collector according to claim 1, wherein a plurality of second through holes are provided in the second support plate; the support rod is characterized by further comprising a plurality of second connecting pieces, wherein the bottom surfaces of the second connecting pieces are fixedly connected with the top surface of the second support plate, and the side surfaces of the second connecting pieces are fixedly connected with the bottom of the support rod.

4. The wet electric dust collector according to claim 1 wherein the cathode wire further comprises a hanger provided on top of the support bar, the hanger being for temporarily hanging the cathode wire on the anode tube during installation.

5. The wet electric dust collector according to claim 1, wherein the support bar comprises a top bar and a bottom bar connected by screw threads; the ejector rod is fixedly connected with the first supporting plate; the bottom rod is fixedly connected with the second supporting plate; the titanium alloy strips are respectively wound on the top rod and the bottom rod.

6. The wet electric dust collector according to claim 5, wherein at least one connecting rod is further arranged between the ejector rod and the bottom rod, and two ends of the connecting rod are respectively in threaded connection with the ejector rod and the bottom rod; the titanium alloy strip is also wound on the connecting rod.

7. The wet electric dust collector according to claim 6 wherein the top and bottom of the top rod, the connecting rod and the bottom rod are respectively provided with a third through hole, and both ends of the titanium alloy strip respectively pass through the third through holes and are fixedly connected with the walls of the third through holes.

8. The wet electric dust collector according to claim 1, wherein the connection between the two ends of the titanium alloy strip and the supporting rod is further covered with a glass fiber reinforced plastic layer.

9. The wet electric dust collector according to claim 1, wherein the bottom of the anode structure is provided with a reinforcing ring for improving the strength of the bottom of the anode structure.

10. The wet electric dust collector according to claim 1, wherein a plurality of fixing blocks are circumferentially arranged on the inner side wall of the tower body, annular protrusions are circumferentially arranged on the top of the outer side wall of the anode structure, the bottom surfaces of the annular protrusions are respectively connected with the top surfaces of the fixing blocks, and the fixing blocks are used for erecting the anode structure in the tower body.

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