Novel electric precipitator anode system

Abstract

The invention discloses a novel electric dust remover anode system, relates to the technical field of electric dust removers, and solves the technical problems in the prior art that an anode plate is easily abraded in the rapping process due to the fact that the upper part and the lower part of the anode plate are fixed by bolts, and the dust removal effect is influenced due to small displacement in the rapping process. Comprising an anode plate hanging rod, a rapping rod and a plurality of anode plates, the anode plates are distributed between the anode plate hanging rod and the rapping rod in parallel, a connecting plate capable of extending into the rapping rod is installed at the position, away from the anode plate hanging rod, of each anode plate, the connecting plate is inserted into the rapping rod, and a plurality of check blocks used for impacting the anode plates are installed in the rapping rod. A double-point suspension assembly is arranged between the rapping rod and two of the connecting plates; and a single-point suspension assembly is arranged between the anode plate and the anode plate suspension rod. The anode system is simple in structure and convenient to install, the anode plates are good in vibration and dust removal effect and not prone to abrasion, and the service life of the anode plates is greatly prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of electrostatic precipitators, and in particular to a novel anode system of an electrostatic precipitator. Background Art

[0002] Electrostatic precipitator is an essential supporting equipment for thermal power plants, building materials industry, smelting industry and various industrial kilns. Its function is to remove particulate smoke from boiler exhaust gas, thereby greatly reducing the amount of smoke discharged into the atmosphere. It is an important environmental protection equipment to improve environmental pollution and air quality. Electrostatic precipitator is widely used in power, building materials, metallurgy, nonferrous metals, chemical industry and other industrial fields due to its large flue gas processing volume, high dust removal efficiency, low equipment resistance, low energy consumption, high temperature smoke processing, low operating cost and convenient management. The two most critical systems of electrostatic precipitator are anode system and cathode system. The anode system of electrostatic precipitator is grounded, and the cathode system is connected to a high-voltage DC power supply. By applying a certain voltage on the thorn line of the cathode system, a corona is formed, a large number of electrons and ions are released, and an electrostatic field sufficient to ionize the gas is formed between the cathode system and the anode system. During operation, the dust-laden gas enters the dust collector from the inlet and passes through the electrostatic field. A large number of ions and electrons charge the dust. Under the action of the electric field force, the charged dust moves toward the anode and cathode and deposits on the anode and cathode, thereby achieving the purpose of separating dust and gas. The ash deposited on the electrode plates and electrode wires is then collected by the vibration device, and the treated clean flue gas is discharged through the outlet.

[0003] At present, the domestic electrostatic precipitator anode system is usually composed of anode plate hanger, anode plate, rapping rod, rapping device and other parts (such as Figure 1 Each anode plate is suspended under the suspension rod by two bolts, and a rapping rod is fixed at the bottom of the anode plate. The rapping rod is struck by the rapping system, and the rapping force is transmitted to the entire row of anode plates through the rapping rod, thereby achieving the effect of cleaning the anode plates.

[0004] The anode plate fixing method of the existing electrostatic precipitator anode system is: two bolts are directly passed through the two holes on the upper part of the anode plate to fix it below the anode plate suspension rod, and the lower part of the anode plate is directly suspended by two bolts to the rapping rod. The disadvantages of this anode system are as follows:

[0005] 1. During the operation of the anode rapping system, since the four holes on the upper and lower sides of the anode plate are fixed by bolts, each time the rapping hammer strikes the rapping rod, the four bolts fixed on the upper and lower sides of the anode plate will impact and wear the corresponding four holes. Since the thickness of the anode plate is relatively thin, generally about 0.6-1.2mm, the original circular holes of the anode plate are easily pulled into long holes by the bolts due to wear and impact after a period of use, and even cause the serious consequence of the anode plate falling off.

[0006] 2. Since the upper and lower four holes of the anode plate are fixed by bolts, the displacement of the anode plate is very small after the rapping rod is hit by the rapping hammer, so the rapping force is limited and the cleaning effect is greatly reduced. Summary of the invention

[0007] The purpose of the present invention is to provide a novel electrostatic precipitator anode system, which solves the problem in the prior art that the anode plates are fixed by bolts up and down, which not only causes the anode plates to be easily worn during the vibration process, but also causes very little displacement during the vibration process, thus affecting the cleaning effect.

[0008] The purpose of the present invention can be achieved through the following technical solutions:

[0009] A novel electrostatic precipitator anode system comprises an anode plate hanger, a rapping rod and a plurality of anode plates, wherein the plurality of anode plates are distributed in parallel between the anode plate hanger and the rapping rod, a connecting plate which can extend into the rapping rod is installed at a position of the anode plate away from the anode plate hanger, the connecting plate is inserted into the rapping rod, and a plurality of blocks for striking the anode plates are installed in the rapping rod, a double-point suspension assembly is installed between the rapping rod and two of the connecting plates, a single-point suspension assembly is installed between the anode plate and the anode plate hanger, and when the rapping rod is struck by the rapping system, the anode plate is movable and deflected by the single-point suspension assembly.

[0010] As a further solution of the present invention: the anode plate is symmetrically provided with notches at the corners near one end of the anode plate hanger, a protrusion that can extend into the anode plate hanger is formed between the two notches, and a first hanging hole is provided at the corner of the protrusion near the end.

[0011] As a further solution of the present invention: the single-point suspension assembly includes a protective member and a first connecting member, the protective member is installed at the corners of the protrusion, and the protective member is used to cover the edge of the hole of the first suspension hole, the first connecting member passes through the anode plate hanger and extends outward, and the first connecting member is arranged through the first suspension hole and the protective member, and the first connecting member is used to hang the protrusion of the anode plate on the anode plate hanger.

[0012] As a further solution of the present invention: the connecting plate is composed of a connecting part and a plug-in part, the plug-in part extends into the rapping rod, the connecting part extends to the outside of the rapping rod, the connecting part is fitted with the center of the recessed part near the bottom end of the anode plate, and a fixing part is installed between the connecting part and the recessed part.

[0013] As a further solution of the present invention: the double-point suspension assembly includes two second connecting members that are arranged through the rapping rod, wherein the plug-in parts of the two connecting plates are penetrated with second suspension holes for the second connecting members to pass through, and the second connecting members are used to hang the rapping rod on the plug-in parts corresponding to the connecting plates.

[0014] As a further solution of the present invention: the rapping rod includes two horizontal plates and a connecting block located between the two horizontal plates, the connecting blocks are respectively fitted with the opposite side walls of the two horizontal plates near the ends, and a third connecting piece corresponding to the connecting block and the stop block is respectively arranged between the two horizontal plates, and the third connecting piece is used to fix the connecting block and the stop block between the two horizontal plates.

[0015] As a further solution of the present invention: the number of the first hanging holes is preferably two, the two first hanging holes are symmetrically distributed about the center line of the protrusion, and only one of the first hanging holes is used to hang the anode plate.

[0016] As a further solution of the present invention: the plug-in parts of two adjacent connecting plates are respectively fitted with the facing side walls of the two transverse plates.

[0017] As a further solution of the present invention: the number of the second hanging holes is preferably two, and the two second hanging holes are symmetrically distributed about the center line of the plug-in portion.

[0018] As a further solution of the present invention: the protective member includes a tubular rivet embedded in the first hanging hole or a flat washer welded to one side or both sides of the first hanging hole.

[0019] Beneficial effects of the present invention:

[0020] 1. In the present invention, the single-point suspension assembly not only facilitates single-point fixation between the anode plate and the anode plate suspension rod, ensuring that the anode plate can rotate flexibly when struck to achieve a good dust cleaning effect, but also the single-point suspension assembly can protect the suspension point of the anode plate, making the anode plate less prone to wear during the vibration process, which is beneficial to increasing the service life of the anode plate.

[0021] 2. In the present invention, a double-point suspension assembly is used so that only two points are fixed when the bottom of the entire row of anode plates is connected to the rapping rod, rather than all of them are fixed. The installation is convenient and efficient. Combined with a number of evenly distributed blocks in the rapping rod, it is ensured that when the rapping rod is struck by the rapping system, the rapping rod can transmit the rapping force to each anode plate, which is beneficial to improving the cleaning effect of the anode plates.

[0022] 3. In the present invention, the anode plate is connected to one end of the rapping rod by a connecting plate, and the connecting plate is inserted into the rapping rod, so that each anode plate can expand freely after being heated, which can greatly reduce the accident of severe electric field flashover caused by thermal expansion and bending deformation of the anode plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] Figure 1 It is a structural schematic diagram of an electrostatic precipitator anode system in the prior art;

[0025] Figure 2 It is a structural schematic diagram of the anode system of the novel electrostatic precipitator of the present invention;

[0026] Figure 3 It is a structural schematic diagram of the connection part between the anode plate and the anode plate suspension rod in the anode system of the novel electrostatic precipitator of the present invention;

[0027] Figure 4 It is a structural schematic diagram of the connection part between the anode plate and the rapping rod in the anode system of the novel electrostatic precipitator of the present invention;

[0028] Figure 5 It is a structural schematic diagram of the connection part between the connection plate and the rapping rod in the anode system of the novel electrostatic precipitator of the present invention;

[0029] Figure 6 It is a structural schematic diagram of the connection part between the connecting plate and the anode plate in the anode system of the novel electrostatic precipitator of the present invention;

[0030] Figure 7 It is a stereoscopic diagram of the connecting plate in the anode system of the novel electrostatic precipitator of the present invention.

[0031] In the figure: 1, anode plate suspension rod; 2, rapping rod; 21, cross plate; 22, connecting block; 3, anode plate; 31, notch portion; 32, protrusion; 33, first hanging hole; 34, recessed portion; 4, connecting plate; 41, connecting portion; 42, plug-in portion; 421, second hanging hole; 5, stopper; 6, protective member; 7, first connecting member; 8, fixing member; 9, second connecting member; 10, third connecting member. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] like Figure 2-7As shown, the present invention is a novel electrostatic precipitator anode system, comprising an anode plate hanger 1, a rapping rod 2 and a plurality of anode plates 3, wherein the plurality of anode plates 3 are distributed in parallel between the anode plate hanger 1 and the rapping rod 2, and a connecting plate 4 which can extend into the rapping rod 2 is installed at a position of the anode plate 3 away from the anode plate hanger 1, the connecting plate 4 is inserted into the rapping rod 2, and a plurality of blocks 5 for striking the anode plate 3 are installed in the rapping rod 2, a double-point suspension assembly is installed between the rapping rod 2 and two of the connecting plates 4, and a single-point suspension assembly is installed between the anode plate 3 and the anode plate hanger 1, and when the rapping rod 2 is struck by the rapping system, the anode plate 3 is movable and deflected by the single-point suspension assembly.

[0034] It should be noted that, when in use, a single-point suspension assembly is used to fix a plurality of anode plates 3 one by one on the anode plate suspension rod 1, so that the anode plate 3 can be flexibly rotated, thereby improving the dust cleaning effect during the rapping process. A connecting plate 4 that can be inserted into the rapping rod 2 is installed at the bottom end of the anode plate 3, and a double-point suspension assembly is used to fix the rapping rod 2 on the connecting plates 4 of two anode plates 3 in the entire row of anode plates 3. Only one point is suspended between each anode plate 3 and the anode plate suspension rod 1, and only two points are suspended between the rapping rod 2 and the entire row of anode plates 3, which is convenient to install and efficient.

[0035] In the present embodiment, the portion of the connecting plate 4 extending into the rapping rod 2 is located between two adjacent blocks 5, so that each block 5 corresponds to an anode plate 3. When the rapping rod 2 is struck by the rapping system, the rapping rod 2 can transmit the rapping force to each anode plate 3, thereby improving the cleaning effect of the anode plate 3.

[0036] like Figure 3 As shown, the anode plate 3 is symmetrically provided with notches 31 at the corners near one end of the anode plate hanger 1, a protrusion 32 extending into the anode plate hanger 1 is formed between the two notches 31, and a first hanging hole 33 is provided at the corners near the end of the protrusion 32.

[0037] It should be noted that the top of the anode plate 3 forms a protrusion 32 due to the symmetrical opening of the notch 31. This method not only facilitates the insertion of the protrusion 32 at the top of the anode plate 3 into the anode plate hanger 1, but also allows a certain gap to exist between the protrusions 32 at the top of the entire row of anode plates 3 after single-point suspension, thereby avoiding the anode plates 3 from being restricted in deflection due to the top ends of the anode plates 3 fitting each other, so that the entire row of anode plates 3 can be evenly and flexibly deflected when subjected to vibration, thereby improving the cleaning effect.

[0038] like Figure 3As shown, the single-point suspension assembly includes a protective member 6 and a first connecting member 7, the protective member 6 is installed at the corner of the protruding portion 32, and the protective member 6 is used to cover the edge of the opening of the first suspension hole 33, the first connecting member 7 penetrates the anode plate suspension rod 1 and extends outward, and the first connecting member 7 is arranged through the first suspension hole 33 and the protective member 6, and the first connecting member 7 is used to suspend the protruding portion 32 of the anode plate 3 on the anode plate suspension rod 1;

[0039] It can be understood that the present application does not limit the specific structure and installation method of the first connecting member 7. Only a specific structure is provided below for reference. The first connecting member 7 includes a first pin shaft passing through the first suspension hole 33 and the protective member 6. The first pin shaft is provided with a first retaining ring that fits with the outer wall of the anode plate hanger 1. The first pin shaft is inserted through a first opening pin for limiting the position of the first retaining ring.

[0040] It should be noted that, in the present embodiment, a first through hole corresponding to the first suspension hole 33 is provided on the anode plate hanger 1 (for the first connecting member 7 to pass through), and the first connecting member 7 can be a first bolt in addition to the first pin shaft, but is not limited to the first pin shaft and the first bolt. When the first connecting member 7 is the first bolt, it must be used in conjunction with a matching first nut.

[0041] like Figure 4-7 As shown, the connecting plate 4 is composed of a connecting portion 41 and an inserting portion 42, the inserting portion 42 extends into the rapping rod 2, the connecting portion 41 extends to the outside of the rapping rod 2, the connecting portion 41 is in contact with the center of the recessed portion 34 near the bottom end of the anode plate 3, and a fixing member 8 is installed between the connecting portion 41 and the recessed portion 34. It can be understood that the present application does not limit the specific structure and quantity of the fixing member 8. Only a specific structure is provided below for reference. The fixing member 8 includes three equidistantly distributed fixing rivets.

[0042] It should be noted that, in this embodiment, the fixing member 8 is not limited to a fixing rivet, and the fixing member 8 only needs to be able to fix the connecting portion 41 and the recessed portion 34 together.

[0043] like Figure 2 and Figure 4-5 As shown, the double-point suspension assembly includes two second connecting members 9 that are arranged through the rapping rod 2, wherein the plug-in portions 42 of the two connecting plates 4 are penetrated with second suspension holes 421 for the second connecting members 9 to pass through, and the second connecting members 9 are used to suspend the rapping rod 2 on the plug-in portions 42 of the corresponding connecting plates 4;

[0044] It can be understood that the present application does not limit the specific structure and installation method of the second connecting member 9. Only a specific structure is provided below for reference. The second connecting member 9 includes a second pin shaft passing through the rapping rod 2 and the second suspension hole 421, and the second pin shaft is sleeved with a second retaining ring that fits with the outer wall of the rapping rod 2, and the second pin shaft is penetrated by a second open pin for limiting the position of the second retaining ring.

[0045] It should be noted that, in the present embodiment, two second through holes are provided on the rapping rod 2 for the second connecting member 9 to pass through. In addition to being a second pin shaft, the second connecting member 9 can also be a second bolt, but is not limited to the second pin shaft and the second bolt. When the second connecting member 9 is a second bolt, it must be used in conjunction with a matching second nut.

[0046] like Figure 5 As shown, the rapping rod 2 includes two transverse plates 21 and a connecting block 22 located between the two transverse plates 21, the connecting blocks 22 are respectively fitted with the opposite side walls of the two transverse plates 21 near the ends, and a third connecting member 10 corresponding to the connecting block 22 and the stop block 5 is respectively arranged between the two transverse plates 21. It can be understood that the present application does not limit the specific structure and quantity of the third connecting member 10. Only a specific structure is provided below for reference. The third connecting member 10 includes a third bolt, and the third connecting member 10 is used to fix the connecting block 22 and the stop block 5 between the two transverse plates 21.

[0047] It should be noted that, in this embodiment, the third connecting member 10 is not limited to the third bolt, which is used to fix the two cross plates 21 with the connecting block 22 and the stop block 5 together. When the third connecting member 10 is a third bolt, it must be used in conjunction with a matching third nut.

[0048] like Figure 3 As shown, the number of the first hanging holes 33 is preferably two, the two first hanging holes 33 are symmetrically distributed about the center line of the protrusion 32 , and only one of the first hanging holes 33 is used to hang the anode plate 3 .

[0049] It should be noted that, in this embodiment, the number of the first hanging holes 33 is not limited to two, and the number is at least one. In order to ensure the rotation degree of the anode plate 3, the first hanging hole 33 needs to be set at the corner of the protruding portion 32. When the first hanging hole 33 is single, when the anode plate 3 is suspended and installed between the anode plate hanger 1, it is necessary to consider whether the first through hole on the anode plate hanger 1 corresponds to the position of the first hanging hole 33;

[0050] If the two sides of the anode plate hanger 1 are divided into the front side and the back side, when the front side faces outward, the first hanging hole 33 corresponds to the position of the first through hole, and when the back side faces outward, the first hanging hole 33 does not correspond to the position of the first through hole. If the first hanging holes 33 are symmetrically set to two, then no matter whether the front or back side of the anode plate hanger 1 faces outward, the first hanging hole 33 always corresponds to the position of the first through hole, which is beneficial to improve installation efficiency.

[0051] like Figure 5-6 As shown, the plug-in portions 42 of two adjacent connecting plates 4 are respectively fitted with the facing side walls of the two transverse plates 21 .

[0052] It should be noted that when the plug-in parts 42 of two adjacent connecting plates 4 are fitted with the facing side walls of the two transverse plates 21, the two adjacent plug-in parts 42 are respectively fitted on both sides of the two adjacent recessed parts 34, so that the multiple connecting plates 4 are alternately distributed, thereby facilitating the limitation of the freedom of the rapping rod 2 along its width direction, so that the rapping rod 2 will not cause the anode plate 3 to bend and deform due to shaking in the width direction.

[0053] like Figure 4-5 As shown, the number of the second hanging holes 421 is preferably two, and the two second hanging holes 421 are symmetrically distributed about the center line of the plug-in portion 42 .

[0054] It should be noted that, in the present embodiment, the number of the second hanging holes 421 is not limited to two, and the number is at least one. When the second hanging hole 421 is single, when the rapping rod 2 is installed with the corresponding two plug-in parts 42, it is necessary to consider whether the second through hole on the rapping rod 2 corresponds to the position of the second hanging hole 421 on the corresponding plug-in part 42. If the two sides of the rapping rod 2 are divided into the front and the back, when the front side faces outward, the second hanging hole 421 corresponds to the position of the second through hole, and when the back side faces outward, the second hanging hole 421 does not correspond to the position of the first through hole. If the second hanging hole 421 is symmetrically set to two, no matter whether the front or back side of the rapping rod 2 faces outward, the second hanging hole 421 on the corresponding plug-in part 42 always corresponds to the position of the second through hole, which is beneficial to improve the installation efficiency.

[0055] like Figure 3 As shown, the protective member 6 includes a tubular rivet embedded in the first suspension hole 33 or a flat washer welded on one side or both sides of the first suspension hole 33. It can be understood that the present application does not limit the specific structure and installation method of the protective member 6. Only a specific structure is provided below for reference. The protective member 6 includes a tubular rivet embedded in the first suspension hole 33.

[0056] It should be noted that, in the present embodiment, the protective member 6 is not limited to tubular rivets and flat washers, and any member that can protect the first suspension hole 33 is intended to prevent wear of the first suspension hole 33 due to collision between the first connecting member 7 and the first suspension hole 33 during vibration, thereby helping to increase the service life of the anode plate 3.

[0057] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A novel electrostatic precipitator anode system, comprising an anode plate hanger (1), a rapping rod (2) and a plurality of anode plates (3), wherein the plurality of anode plates (3) are distributed in parallel between the anode plate hanger (1) and the rapping rod (2), characterized in that: A connecting plate (4) that can extend into the rapping rod (2) is installed at a position of the anode plate (3) away from the anode plate hanger (1); the connecting plate (4) is inserted into the rapping rod (2), and a plurality of stoppers (5) for striking the anode plate are installed in the rapping rod (2); a double-point suspension assembly is installed between the rapping rod (2) and two of the connecting plates (4); a single-point suspension assembly is installed between the anode plate (3) and the anode plate hanger (1); when the rapping rod (2) is struck by the rapping system, the anode plate (3) is movably deflected by the single-point suspension assembly.

2. The novel electrostatic precipitator anode system according to claim 1 is characterized in that: The anode plate (3) is symmetrically provided with notches (31) at the corners near one end of the anode plate suspension rod (1), a protrusion (32) that can extend into the anode plate suspension rod (1) is formed between the two notches (31), and a first hanging hole (33) is provided at the corners near the end of the protrusion (32).

3. The novel electrostatic precipitator anode system according to claim 2 is characterized in that: The single-point suspension assembly comprises a protective member (6) and a first connecting member (7), wherein the protective member (6) is installed at the corner of the protruding portion (32), and the protective member (6) is used to cover the edge of the opening of the first suspension hole (33), the first connecting member (7) passes through the anode plate hanger (1) and extends outward, and the first connecting member (7) is arranged through the first suspension hole (33) and the protective member (6), and the first connecting member (7) is used to hang the protruding portion (32) of the anode plate (3) on the anode plate hanger (1).

4. The novel electrostatic precipitator anode system according to claim 1 is characterized in that: The connecting plate (4) is composed of a connecting portion (41) and an inserting portion (42), wherein the inserting portion (42) extends into the rapping rod (2), and the connecting portion (41) extends to the outside of the rapping rod (2), and the connecting portion (41) is in contact with the center of a recessed portion (34) near the bottom end of the anode plate (3), and a fixing member (8) is installed between the connecting portion (41) and the recessed portion (34).

5. The novel electrostatic precipitator anode system according to claim 4 is characterized in that: The double-point suspension assembly comprises two second connecting members (9) which are arranged through the rapping rod (2), wherein the plug-in portions (42) of the two connecting plates (4) are provided with second suspension holes (421) for the second connecting members (9) to pass through, and the second connecting members (9) are used to suspend the rapping rod (2) on the plug-in portions (42) corresponding to the connecting plates (4).

6. The novel electrostatic precipitator anode system according to claim 4 is characterized in that: The rapping rod (2) comprises two transverse plates (21) and a connecting block (22) located between the two transverse plates (21); the connecting block (22) is respectively fitted with the opposite side walls of the two transverse plates (21) near the ends; a third connecting member (10) corresponding to the connecting block (22) and the stopper (5) is respectively provided between the two transverse plates (21); the third connecting member (10) is used to fix the connecting block (22) and the stopper (5) between the two transverse plates (21).

7. The novel electrostatic precipitator anode system according to claim 2 is characterized in that: The number of the first hanging holes (33) is preferably two, the two first hanging holes (33) are symmetrically distributed about the center line of the protruding portion (32), and only one of the first hanging holes (33) is used to hang the anode plate (3).

8. The novel electrostatic precipitator anode system according to claim 6 is characterized in that: The plug-in parts (42) of two adjacent connecting plates (4) are respectively fitted with the facing side walls of the two transverse plates (21).

9. The novel electrostatic precipitator anode system according to claim 5 is characterized in that: The number of the second hanging holes (421) is preferably two, and the two second hanging holes (421) are symmetrically distributed about the center line of the plug-in portion (42).

10. The novel electrostatic precipitator anode system according to claim 3 is characterized in that: The protective member (6) comprises a tubular rivet embedded in the first hanging hole (33) or a flat washer welded to one or both sides of the first hanging hole (33).

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