CN109433424B - Cathode line adjusting and positioning structure of electric dust collector and construction method thereof - Google Patents
Cathode line adjusting and positioning structure of electric dust collector and construction method thereof Download PDFInfo
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- CN109433424B CN109433424B CN201811441827.0A CN201811441827A CN109433424B CN 109433424 B CN109433424 B CN 109433424B CN 201811441827 A CN201811441827 A CN 201811441827A CN 109433424 B CN109433424 B CN 109433424B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/86—Electrode-carrying means
Abstract
The cathode line adjusting and positioning structure of the electric dust collector comprises a hexagonal anode tube in the tower body and a cathode line penetrating through the inside of the anode tube, wherein an adjusting plate is arranged at the bottom end of the anode tube, and a positioning plate is correspondingly arranged at the top end of the anode tube; the upper end of the cathode wire is connected with an upper hanging beam; the lower end of the cathode line sequentially passes through the positioning plate and the adjusting plate to be connected to the lower hanging beam; the upper hanging beam and the lower hanging beam are arranged above and below the anode tube in a through length manner; when the positioning structure is used, the primary positioning of the upper hanging beam and the lower hanging beam is performed through the adjusting holes on the adjusting plate, and the positioning structure is adjusted and positioned through the positioning plate and finally fixed. The invention can ensure that the cathode line meets the design requirement in the vertical and horizontal space positions, wherein the support rod on the positioning plate has the dual functions of support and handle, and is convenient to install and use; the invention is convenient for synchronous positioning, can be prefabricated and repeatedly used in construction, has simple operation process and saves working hours.
Description
Technical Field
The invention belongs to the field of dust removal equipment installation, and particularly relates to a cathode line adjusting and positioning structure of an electric dust remover and a construction method thereof.
Background
The electric dust collector is an efficient dust collector widely popularized and applied in coal-fired power plants in order to meet environmental protection emission standards in recent years, and the wet electric dust collector in the electric dust collector is widely applied at present, so that the dust emission concentration in the desulfurized boiler flue gas can be changed from original 30mg/Nm 3 Reduced to 10mg/Nm 3 Below, even lower.
The wet-type electric dust collector is divided into two major types according to the type of anode, one type is a flat plate type anode, the other type is a hexagonal tubular type anode, and the wet-type electric dust collector with the hexagonal tubular type anode needs to position a cathode line when in use, but because of the design process requirement of the wet-type electric dust collector, a cathode-anode system for capturing dust consists of huge anode plates and cathode lines, and taking a 60-ten-thousand-unit as an example, the matched wet-type electric dust collector has more than 3000 groups of hexagonal anode pipes and cathode lines, the distances between six sides of each group of cathode lines and anode pipes are adjusted and fixed during installation, the measurement and the positioning are carried out by using a ruler manually, the efficiency is slow, the positioning accuracy is low, and the consumed working hours are huge. The invention provides a cathode line adjusting and positioning structure and a construction method thereof, which are used for solving the problem of adjusting and positioning the cathode line of a modularized hexagonal tubular anode wet-type electric dust collector.
Disclosure of Invention
The invention provides a cathode line adjusting and positioning structure of an electric dust remover and a construction method thereof, and the concrete technical scheme is as follows:
the utility model provides a negative pole line regulation location structure of electrostatic precipitator, contains the inside hexagonal positive pole pipe of tower and passes the inside negative pole line of positive pole pipe, positive pole pipe bottom is provided with the regulating plate, and positive pole pipe top corresponds to be provided with the locating plate; the upper end of the cathode wire is connected with an upper hanging beam; the lower end of the cathode line sequentially passes through the positioning plate and the adjusting plate to be connected to the lower hanging beam; the upper hanging beam and the lower hanging beam are arranged above and below the anode tube in a through length mode.
The positioning plate is a hexagonal plate corresponding to the cross section of the anode tube, a circular positioning hole is formed in the center of the positioning plate, and the size of the positioning hole corresponds to the diameter of the cathode wire; the locating plate is formed by symmetrically splicing two identical trapezoid plates.
The trapezoid plate is provided with a supporting piece which is parallel to the bottom edge of the trapezoid plate and transversely passes through the two waists, and two end parts of the supporting piece are erected on the anode tube; the cross section of the supporting piece is L-shaped or rectangular.
The adjusting plate is a hexagonal plate corresponding to the cross section of the anode tube, and an oblong adjusting hole is formed in the center of the adjusting plate, and the width of the adjusting hole corresponds to the diameter of the cathode wire; the adjusting plate is formed by symmetrically splicing two identical trapezoid plates.
The outer side of the adjusting plate is provided with an annular mounting groove, and an anti-slip fastening adhesive tape is arranged between the mounting groove and the anode tube.
The upper hanging beam and the lower hanging beam are rectangular plates and are horizontally placed, and hanging holes are formed in the plate surfaces; the shape and the size of the hanging hole are consistent with those of the adjusting hole and are in the same direction, and the axes of the hanging hole, the adjusting hole and the hanging hole are on the same straight line; the upper end of the cathode wire passes through the hanging hole of the upper hanging beam and is connected by a fastener.
The upper hanging beam and the lower hanging beam are rectangular plates and are vertically placed, and hanging holes are formed in the plate surfaces; the shape and the size of the hanging hole are consistent with those of the adjusting hole, and the hanging hole and the adjusting hole are in the same direction.
The upper end and the lower end of the cathode wire are respectively connected with a hanging rod, and the hanging rods correspondingly penetrate through hanging holes corresponding to the upper hanging beam and the lower hanging beam and are connected through fasteners; the diameter of the hanging rod is smaller than the width of the hanging hole.
The upper hanging beam and the lower hanging beam also comprise at least one horizontal limiting plate, and at the moment, the cross sections of the upper hanging beam and the lower hanging beam are L-shaped, C-shaped or U-shaped, and limiting holes are correspondingly formed in the horizontal limiting plates; the shape and the size of the limiting hole are consistent with those of the adjusting hole, and the limiting hole and the adjusting hole are in the same direction, and the axes of the limiting hole, the adjusting hole and the limiting hole are on the same straight line; the upper end of the cathode wire passes through the limit hole of the upper hanging beam.
The construction method of the cathode line adjusting and positioning structure of the electric dust remover comprises the following specific implementation steps:
step one, manufacturing a positioning plate and an adjusting plate based on the shape of an anode tube, and determining the sizes and the opening positions of a positioning hole, an adjusting hole, a limiting hole and a hanging hole according to the diameter and the position of a cathode wire;
step two, modularly positioning and assembling an anode tube, and installing an adjusting plate at the bottom of the anode tube, wherein an anti-skid fastening adhesive tape is installed between the anode tube and the adjusting plate;
step three, positioning and mounting an upper hanging beam and a lower hanging beam by using a plumb or laser, so as to ensure that hanging holes on one side surfaces of the upper hanging beam and the lower hanging beam and adjusting holes on an adjusting plate are in the same horizontal sliding interval;
fourthly, penetrating cathode wires from top to bottom in the anode tube, and enabling the lower parts of the cathode wires to penetrate through the adjusting holes in the adjusting plate;
step five, mounting hanging rods at the top and bottom ends of the cathode wire, and enabling the hanging rods to pass through hanging holes of the upper hanging beam and the lower hanging beam, wherein the end parts of the cathode wire pass through limiting holes, and the hanging rods are not positioned and fixed at the moment, so that the hanging rods are in a slidable state;
and step six, installing a positioning plate at the top of the anode tube, determining the positions of the cathode wires in the adjusting holes and the hanging holes after positioning, and respectively fixing the hanging rods of the cathode wires on the upper hanging beam and the lower hanging beam, thereby completing the adjustment, positioning and installation of the cathode wires.
The invention has the following beneficial effects:
the invention can realize preliminary positioning of the cathode line through the adjusting holes on the adjusting plate, and simultaneously, the upper hanging beam and the lower hanging beam are accurately installed and positioned according to the adjusting holes; the horizontal space position of the cathode line can be finely adjusted through the relative sliding of the hanging rod in the adjusting hole and the hanging hole; the positioning plate is used for further accurately positioning the cathode line, so that the vertical and horizontal space positions of the cathode line are ensured to meet the design requirements, and the support rod on the positioning plate has the dual functions of support and handle, so that the cathode line is convenient to install and use; the design of multiple hanging holes on the upper hanging beam and the lower hanging beam is convenient for synchronous positioning, and the working time is saved; during construction, the positioning plate and the adjusting plate can be prefabricated and can be repeatedly recycled, the construction operation process is simple, the time required for adjusting and positioning the cathode wire is greatly saved, and the large-scale dust remover equipment is utilized.
Drawings
FIG. 1 is a schematic diagram of a cathode ray adjustment positioning structure;
FIG. 2 is a schematic view of a cathode line and a regulated positioning connection;
FIG. 3 is a schematic view of a locating plate;
FIG. 4 is a schematic view of a regulator plate;
FIG. 5 is a schematic view of an upper (lower) hanging beam A;
FIG. 6 is a schematic view B of an upper (lower) hanging beam;
fig. 7 is a schematic view C of an upper (lower) hanging beam.
Reference numerals: 1-hanging a beam; 2-lower hanging beams; 3-hanging holes; 4-cathode lines; 5-anode tube; 6, positioning a plate; 7-adjusting plates; 8-adjusting holes; 9-hanging rods; 10-positioning holes; 11-a support; 12-mounting grooves; 13-limit holes.
Detailed Description
As shown in fig. 1 and 2, an adjusting and positioning structure for a cathode line of an electric precipitator comprises two hexagonal anode pipes 5 in a tower body, wherein the inside of each anode pipe 5 penetrates through the cathode line 4; an adjusting plate 7 is arranged at the bottom end of the anode tube 5, and a positioning plate 6 is correspondingly arranged at the top end of the anode tube 5; the upper end of the cathode line 4 is connected with an upper hanging beam 1; the lower end of the cathode line 4 sequentially passes through the positioning plate 6 and the adjusting plate 7 to be connected with the lower hanging beam 2; the upper hanging beam 1 and the lower hanging beam 2 are arranged above and below the anode tube 5 in a through length mode.
As shown in fig. 3, the positioning plate 6 is a hexagonal steel plate corresponding to the cross section of the anode tube 5, and the positioning plate 6 is formed by symmetrically splicing two identical trapezoid plates; the center is composed of two semicircles with 20mm aperture, and the positioning plate 6 is made of iron plate, wood plate or other hard plate with 5mm thickness, so as to ensure flatness and hardness; the positioning hole 10 has a size corresponding to the diameter of the cathode wire 4.
In this embodiment, the trapezoid board is provided with a supporting piece 11, the supporting piece 11 is parallel to the bottom edge of the trapezoid board and transversely passes through the two waists, and two end parts are erected on the anode tube 5; the cross section of the supporting piece 11 is L-shaped or rectangular; the supporting member 11 may be angle steel or steel plate.
As shown in fig. 4, the adjusting plate 7 is a hexagonal steel plate corresponding to the cross section of the anode tube 5, an oblong adjusting hole 8 is formed in the center, and the width of the adjusting hole 8 corresponds to the diameter of the cathode wire 4; the adjusting plate 7 is formed by symmetrically splicing two identical trapezoid steel plates.
In the embodiment, an annular mounting groove 12 is formed on the outer side edge of the adjusting plate 7, and an anti-skid fastening adhesive tape is arranged between the mounting groove 12 and the anode tube 5; in addition, a connecting piece with a fastening function can be connected to the adjusting plate 7 for connecting the anode tube 5 when the adjusting plate 7 is mounted.
As shown in fig. 5, the upper hanging beam 1 and the lower hanging beam 2 are arranged as L-shaped steel plates, and hanging holes 3 and limiting holes 13 are arranged on the plate surfaces; the shape and the size of the limiting hole 13 and the hanging hole 3 are consistent with those of the adjusting hole 8, wherein the limiting hole 13 and the adjusting hole 8 are in the same direction, and the rear end part of the cathode wire 4 penetrating out of the adjusting hole 8 penetrates into the limiting hole 13.
As shown in fig. 6, the upper hanging beam 1 or the lower hanging beam 2 can also be set as a U-shaped steel plate, holes are all drilled on the same axis on three sides of the U-shaped steel plate, and the sizes and shapes of the holes correspond to the adjusting holes 8, so that any side surface of the holes is the hanging hole 3, the middle hole is the limiting hole 13, and the limiting hole 13 and the adjusting holes 8 are in the same direction.
As shown in fig. 7, like the L-shaped steel plate and the U-shaped steel plate, when the upper hanging beam 1 and the lower hanging beam 2 are rectangular steel plates, when the rectangular steel plates are vertically placed, the upper end and the lower end of the cathode line 4 are respectively connected with hanging rods 9, and the hanging rods 9 correspondingly pass through the hanging holes 3 corresponding to the upper hanging beam 1 and the lower hanging beam 2 and are connected through fasteners; the diameter of the hanging rod 9 is smaller than the width of the hanging hole 3; the rectangular steel plate can be transversely placed, the end part of the cathode wire 4 directly passes through the hanging holes 3 of the upper hanging beam 1 and the lower hanging beam 2 and is connected through bolts, and the cathode wire is limited and fixed in a mode of welding the hanging holes 3 during fixing.
The construction method for adjusting the positioning structure by combining the upper hanging beam 1 and the lower hanging beam 2 to be L-shaped steel plates is further described, and the concrete implementation steps are as follows:
step one, manufacturing a positioning plate 6 and an adjusting plate 7 based on the shape of the anode tube 5, and determining the sizes and the opening positions of the positioning hole 10, the adjusting hole 8, the limiting hole 13 and the hanging hole 3 according to the diameter and the position of the cathode wire 4.
And step two, modularly positioning and assembling the anode tube 5, and installing an adjusting plate 7 at the bottom of the anode tube 5, wherein an anti-slip fastening adhesive tape is installed between the anode tube 5 and the adjusting plate 7.
And thirdly, positioning and installing the upper hanging beam 1 and the lower hanging beam 2 by using a plumb or laser, so as to ensure that the upper limiting holes 13 of the upper hanging beam 1 and the lower hanging beam 2 are in the same horizontal sliding interval with the adjustment.
And fourthly, penetrating the cathode wire 4 from top to bottom in the anode tube 5, so that the lower part of the cathode wire 4 passes through the adjusting hole 8 on the adjusting plate 7.
Step five, mounting hanging rods 9 at the top end and the bottom end of the cathode wire 4, and enabling the hanging rods 9 to pass through hanging holes 3 of the upper hanging beam 1 and the lower hanging beam 2, wherein the end parts of the cathode wire 4 respectively pass through limiting holes 13 of the upper hanging beam 1 and the lower hanging beam 2, and at the moment, the hanging rods 9 are not positioned and fixed, so that the hanging rods are in a slidable state.
And step six, installing a positioning plate 6 on the top of the anode tube 5, aligning the positioning piece according to the hexagonal tube orifice of the anode plate of the anode module, and clamping the cathode wire 4 penetrating into the positioning piece to center the cathode wire 4 (the allowable deviation is 5-10 mm).
And step seven, after the positioning is finished, the positions of the cathode wires 4 in the adjusting holes 8 and the hanging holes 3 are adjusted and determined, and then the hanging rods 9 of the cathode wires 4 are respectively fixed on the upper hanging beam 1 and the lower hanging beam 2, so that the adjustment, positioning and installation of the cathode wires 4 are finished.
In addition, the positioning plate 6 of the invention can also be provided with a plate body shape, a round hole position and scales on the plate surface for an engineer to check and accept the pole distance between the cathode wire 4 and the anode tube 5 after the adjustment.
It is to be understood that the above examples are presented solely for the purpose of clearly illustrating the salient features of the present invention and are not intended to limit the scope of the present invention; other variations and modifications of the present invention will be apparent to those of skill in the art, and it is intended to cover all such modifications and variations of this invention without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a construction method of electric dust remover cathode ray regulation location structure, adjusts location structure and contains inside hexagonal positive pole pipe (5) of tower body and passes inside cathode ray (4) of positive pole pipe (5), its characterized in that: an adjusting plate (7) is arranged at the bottom end of the anode tube (5), and a positioning plate (6) is correspondingly arranged at the top end of the anode tube (5); the upper end of the cathode line (4) is connected with an upper hanging beam (1); the lower end of the cathode line (4) sequentially passes through the positioning plate (6) and the adjusting plate (7) to be connected to the lower hanging beam (2); the upper hanging beam (1) and the lower hanging beam (2) are arranged above and below the anode tube (5) in a through length mode;
the positioning plate (6) is a hexagonal plate corresponding to the cross section of the anode tube (5), a circular positioning hole (10) is formed in the center of the positioning plate, and the size of the positioning hole (10) corresponds to the diameter of the cathode wire (4); the positioning plate (6) is formed by symmetrically splicing two identical trapezoid plates;
the trapezoid plate is provided with a supporting piece (11), the supporting piece (11) is parallel to the bottom edge of the trapezoid plate and transversely passes through the two waists, and the two end parts are erected on the anode tube (5); the cross section of the supporting piece (11) is L-shaped or rectangular;
the adjusting plate (7) is a hexagonal plate corresponding to the cross section of the anode tube (5), an oblong adjusting hole (8) is formed in the center of the adjusting plate, and the width of the adjusting hole (8) corresponds to the diameter of the cathode wire (4); the adjusting plate (7) is formed by symmetrically splicing two identical trapezoid plates;
the upper hanging beam (1) and the lower hanging beam (2) are rectangular plates, and hanging holes (3) are formed in the plate surfaces; the upper hanging beam (1) and the lower hanging beam (2) also comprise at least one horizontal limiting plate, and limiting holes (13) are correspondingly formed in the horizontal limiting plates;
the construction method for adjusting the positioning structure by using the cathode wire of the electric dust remover comprises the following specific implementation steps:
firstly, manufacturing a positioning plate (6) and an adjusting plate (7) based on the shape of an anode tube (5), and further determining the sizes and the opening positions of a positioning hole (10), an adjusting hole (8), a limiting hole (13) and a hanging hole (3) according to the diameter and the position of a cathode wire;
step two, modularly positioning and assembling an anode tube (5), and installing an adjusting plate (7) at the bottom of the anode tube (5), wherein an anti-slip fastening adhesive tape is installed between the anode tube (5) and the adjusting plate (7);
step three, using plumb or laser to position and install the upper hanging beam (1) and the lower hanging beam (2), ensuring that a hanging hole (3) on one side surface of the upper hanging beam (1) and the lower hanging beam (2) and an adjusting hole (8) on an adjusting plate (7) are in the same horizontal sliding interval;
fourthly, penetrating cathode wires from top to bottom in the anode tube (5), and enabling the lower parts of the cathode wires to penetrate through the adjusting holes (8) on the adjusting plate (7);
step five, mounting hanging rods (9) at the top end and the bottom end of the cathode wire (4), and enabling the hanging rods (9) to pass through hanging holes (3) of the upper hanging beam (1) and the lower hanging beam (2), wherein the end parts of the cathode wire pass through limiting holes (13), and at the moment, the hanging rods (9) are not positioned and fixed, so that the hanging rods are in a slidable state;
step six, installing a locating plate (6) at the top of the anode tube (5), after locating, determining the positions of the cathode wires (4) in the adjusting holes (8) and the hanging holes (3), and respectively fixing hanging rods (9) of the cathode wires (4) on the upper hanging beam (1) and the lower hanging beam (2), thereby completing the adjusting, locating and installing of the cathode wires (4).
2. The construction method of the cathode line adjusting and positioning structure of the electric dust remover according to claim 1, wherein the construction method comprises the following steps: an annular mounting groove (12) is formed in the outer side edge of the adjusting plate (7), and an anti-slip fastening adhesive tape is arranged between the mounting groove (12) and the anode tube (5).
3. The construction method of the cathode line adjusting and positioning structure of the electric dust remover according to claim 1, wherein the construction method comprises the following steps: the upper hanging beam (1) and the lower hanging beam (2) are rectangular plates and are horizontally placed, the shape and the size of the hanging hole (3) on the plate surface are consistent with those of the adjusting hole (8) and are in the same direction, and the axes of the upper hanging beam, the lower hanging beam and the adjusting hole are on the same straight line; the upper end part of the cathode wire passes through the hanging hole (3) of the upper hanging beam (1) and is connected by a fastener.
4. The construction method of the cathode line adjusting and positioning structure of the electric dust remover according to claim 1, wherein the construction method comprises the following steps: the upper hanging beam (1) and the lower hanging beam (2) are rectangular plates and are vertically placed, and the shape and the size of the hanging hole (3) on the plate surface are consistent with those of the adjusting hole (8) and are in the same direction.
5. The construction method of the cathode line adjusting and positioning structure of the electric dust remover according to claim 1, wherein the construction method comprises the following steps: the upper end and the lower end of the cathode wire (4) are respectively connected with a hanging rod (9), and the hanging rods (9) correspondingly penetrate through hanging holes (3) corresponding to the upper hanging beam (1) and the lower hanging beam (2) and are connected through fasteners; the diameter of the hanging rod (9) is smaller than the width of the hanging hole (3).
6. The construction method of the cathode line adjusting and positioning structure of the electric dust remover according to claim 5, wherein the construction method comprises the following steps: the cross sections of the upper hanging beam (1) and the lower hanging beam (2) are L-shaped or C-shaped; the shape and the size of the corresponding limiting holes (13) on the upper hanging beam (1) and the lower hanging beam (2) are consistent with those of the adjusting holes (8) and are in the same direction, and the axes of the upper hanging beam, the lower hanging beam and the adjusting holes are in the same straight line; the upper end part of the cathode wire passes through a limit hole (13) of the upper hanging beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441827.0A CN109433424B (en) | 2018-11-29 | 2018-11-29 | Cathode line adjusting and positioning structure of electric dust collector and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441827.0A CN109433424B (en) | 2018-11-29 | 2018-11-29 | Cathode line adjusting and positioning structure of electric dust collector and construction method thereof |
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| CN109433424A CN109433424A (en) | 2019-03-08 |
| CN109433424B true CN109433424B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN109433424A (en) | 2019-03-08 |
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