CN113385303B

CN113385303B - Tension device for preventing expansion of discharge system of wet electrostatic dust collector

Info

Publication number: CN113385303B
Application number: CN202110774500.0A
Authority: CN
Inventors: 王进轩; 王怀成; 任杰; 金润涛; 吴艳霞
Original assignee: XUANHUA METALLURGICAL ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING (INSTALLATION) CO LTD
Current assignee: XUANHUA METALLURGICAL ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING (INSTALLATION) CO LTD
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2023-02-28
Anticipated expiration: 2041-07-08
Also published as: CN113385303A

Abstract

The invention discloses an anti-expansion tensioning device for a discharge system of a wet electrostatic dust collector, which comprises a shell, a supporting mechanism, a guide groove, a cleaning mechanism, a cathode wire, a waist hole, a tensioning mechanism and a fixing mechanism, wherein the supporting mechanism is arranged on the shell, the guide groove is formed in the shell, the cleaning mechanism is connected in the guide groove in a sliding manner, the cathode wire is arranged on the supporting mechanism, the cleaning mechanism is connected with the cathode wire in a sliding manner, the waist hole is formed in the shell, the tensioning mechanism is movably connected in the waist hole, and the fixing mechanism is arranged on each of the supporting mechanism and the tensioning mechanism. The invention relates to an anti-expansion tensioning device for a discharge system of a wet electrostatic dust collector, which has the characteristics of tensioning a cathode wire and facilitating replacement and cleaning of the cathode wire.

Description

Tension device for preventing expansion of discharge system of wet electrostatic dust collector

Technical Field

The invention belongs to the technical field of wet electrostatic dust collectors, and particularly relates to an anti-expansion tensioning device for a discharging system of a wet electrostatic dust collector.

Background

The wet electrostatic precipitator is a high-voltage electrostatic precipitator used for treating moisture-containing gas, is mainly used for removing harmful substances such as PM2.5 fine particles, acid mist, water drops, aerosol and the like in the moisture-containing gas, is an effective device for treating atmospheric dust pollution, and can play a certain positive role in treating haze weather. Tens of thousands of volts of direct current high voltage are applied between the anode and the cathode of the wet electrostatic precipitator, and under the action of a strong electric field, gas between the two electrodes is fully ionized, so that the space in the electric field area of the wet electrostatic precipitator is filled with ions with positive and negative charges. The dust particles entering the wet electrostatic dust collector along with the desulfurized wet flue gas collide with the charged ions to be charged, the charged dust particles reach the dust collecting electrode to be collected due to the action of coulomb force of a high-voltage electrostatic field, and the cathode line of a discharge system is required to be kept in a tensioned state and kept at the axis position of the dust collecting electrode circular tube.

In the prior art, once the cathode wire in a tensioned state in a discharge system of a wet electrostatic dust collector is heated, the cathode wire will be loosened due to expansion, so that the dust removal effect of the electrostatic dust collector is affected, and meanwhile, the replacement of the cathode wire is troublesome. Accordingly, there is a need for improvements in the art.

The invention content is as follows:

the present invention is directed to solving the above problems, and an object of the present invention is to provide an anti-expansion tension device for a discharge system of a wet electrostatic precipitator, which solves the problems of loosening of a cathode wire of the discharge system due to temperature rise and expansion, and inconvenience in replacing the cathode wire, and inconvenience in cleaning.

In order to solve the above problems, the present invention provides a technical solution:

the utility model provides a tensioning equipment that rises is prevented to discharge system of wet electrostatic precipitator, includes casing, supporting mechanism, guide slot, clean mechanism, negative pole line, waist hole, straining device and fixed establishment, be provided with supporting mechanism on the casing, the guide slot has been seted up on the casing, sliding connection has clean mechanism in the guide slot, the last negative pole line that is provided with of supporting mechanism, clean mechanism and negative pole line sliding connection, the waist hole has been seted up on the casing, waist downthehole swing joint has straining device, all be provided with fixed establishment on supporting mechanism and the straining device.

Preferably, the supporting mechanism comprises a dovetail groove, a trapezoidal block, a mounting groove, a stop pin, a connecting rod and a mounting plate, the dovetail groove is formed in the shell, the trapezoidal block is connected in the dovetail groove in a sliding mode, the mounting groove is formed in the shell, the stop pin is arranged in the mounting groove, the stop pin and the shell are connected through threads, the mounting groove is communicated with the dovetail groove, the connecting rod is welded to the trapezoidal block, and the mounting plate is welded to the connecting rod.

Preferably, the cleaning mechanism comprises a pull rod, a sliding plate, a handle, a connecting plate and a cleaning belt, the pull rod is connected to the guide groove in a sliding mode, the sliding plate is welded to the pull rod and contacts with the shell, the handle is welded to the sliding plate, the connecting plate is welded to the pull rod, the cleaning belt is arranged on the connecting plate, and a cathode wire is sleeved in the cleaning belt.

Preferably, the tensioning mechanism comprises a screw rod, a threaded sleeve, a stop block, a spring, a sliding pin, a sliding groove and a supporting plate, the screw rod is movably connected with the waist hole, the threaded sleeve is connected to the screw rod through threads, the threaded sleeve is in contact with the shell, the sleeve is sleeved on the outer side of the screw rod in a sliding mode, the stop block is welded to the screw rod, the stop block is sleeved in the sleeve in a sliding mode, the spring is arranged on the outer side of the screw rod, the sliding pin is welded to the stop block, and the supporting plate is welded to the sleeve.

Preferably, one end of the spring is in contact with the sleeve, and the other end of the spring is in contact with the stopper.

Preferably, the side wall of the sleeve is provided with a sliding groove, and a sliding pin is connected in the sliding groove in a sliding manner.

As preferred, fixed establishment is including keeping off lid, taper hole, bell jar, pressure spring, taper groove, adapter sleeve, lead screw, spacer pin, annular, clamp plate, inserted bar, it keeps off the lid all to weld in mounting panel and the backup pad, it has connect the negative pole line to keep off to cover in, the taper hole has been seted up on backup pad and the mounting panel, the taper block that has two symmetric distributions has been slided and has been cup jointed in the taper hole, bell jar and negative pole line contact, it is provided with the pressure spring in the lid to keep off, the outside at the negative pole line is established to the pressure spring cover, the one end and the bell jar contact of pressure spring, the other end and the fender of pressure spring cover fixed connection, the taper groove has been seted up on the bell jar, the welding has the adapter sleeve in backup pad and the mounting panel internal rotation, the adapter sleeve is connected with the lead screw, there is the clamp plate in the outside of lead screw through threaded connection, the welding has the inserted bar on the clamp plate, inserted bar and taper groove contact.

Preferably, the side wall of the connecting sleeve is connected with a limiting pin through threads, the screw rod is provided with an annular groove, and the limiting pin is connected in the annular groove in a sliding mode.

The invention has the beneficial effects that: the invention relates to an anti-expansion tensioning device for a discharging system of a wet electrostatic dust collector, which has the characteristics of tensioning a cathode wire and facilitating replacement and cleaning of the cathode wire, and has the following beneficial effects compared with the traditional anti-expansion tensioning device for the discharging system of the wet electrostatic dust collector in specific use:

firstly, by arranging structures such as a screw, a threaded sleeve, a spring, a sleeve and a support plate fixing mechanism, the compression strength of the spring can be adjusted by matching the threaded sleeve and the screw, the position of the support plate can be adjusted by matching the spring and the sleeve, and then the cathode wire can be tensioned by the fixing mechanism, so that the cathode wire is always kept in a tensioning state and is prevented from being loosened;

secondly, by arranging the structures such as the taper hole, the conical block, the screw rod, the pressing block and the inserting rod, the pressing plate can be controlled to drive the inserting rod to tightly push the conical block in the taper hole only by rotating the screw rod, and then the cathode wire is tightly pressed by matching the taper hole and the conical block, so that the cathode wire is convenient to fix and dismantle and has higher stability after being fixed;

thirdly, can make the slide each other through setting up structures such as slide, pull rod, cleaning strip, the slide can drive the cleaning strip and slide on the negative pole line surface, and then makes the cleaning strip clear up the negative pole line surface for the negative pole line surface is cleaner.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of the invention at B in FIG. 2;

FIG. 5 is a left side view of the support plate of FIG. 2 of the present invention;

FIG. 6 is a perspective view of the overall construction of the securing mechanism of FIG. 5 in accordance with the present invention;

FIG. 7 is an enlarged view of the invention at C of FIG. 5;

fig. 8 is an enlarged view of the invention at D in fig. 5.

In the figure: 1. a housing; 2. a support mechanism; 21. a dovetail groove; 22. a trapezoidal block; 23. mounting grooves; 24. a stop pin; 25. a connecting rod; 26. mounting a plate; 3. a guide groove; 4. a cleaning mechanism; 41. a pull rod; 42. a slide plate; 43. a handle; 44. connecting plates; 45. a cleaning belt; 5. a cathode line; 6. a waist hole; 7. a tensioning mechanism; 71. a screw; 72. a threaded sleeve; 74. a sleeve; 75. a stopper; 76. a spring; 77. a slide pin; 78. a chute; 79. a support plate; 8. a fixing mechanism; 81. a blocking cover; 83. a taper hole; 84. a conical block; 86. a pressure spring; 87. a conical groove; 88. connecting sleeves; 89. a screw rod; 90. a spacing pin; 91. a ring groove; 92. pressing a plate; 93. and (4) inserting a rod.

The specific implementation mode is as follows:

as shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment:

example (b):

the utility model provides a tensioning equipment that rises is prevented to discharge system of wet electrostatic precipitator, includes casing 1, supporting mechanism 2, guide slot 3, clean mechanism 4, negative pole line 5, waist hole 6, straining device 7 and fixed establishment 8, be provided with supporting mechanism 2 on the casing 1, guide slot 3 has been seted up on the casing 1, sliding connection has clean mechanism 4 in the guide slot 3, be provided with negative pole line 5 on the supporting mechanism 2, clean mechanism 4 and negative pole line 5 sliding connection, waist hole 6 has been seted up on the casing 1, swing joint has straining device 7 in the waist hole 6, all be provided with fixed establishment 8 on supporting mechanism 2 and the straining device 7.

Wherein, supporting mechanism 2 includes dovetail 21, trapezoidal piece 22, mounting groove 23, backing pin 24, connecting rod 25 and mounting panel 26, dovetail 21 has been seted up on the casing 1, sliding connection has trapezoidal piece 22 in the dovetail 21, has seted up mounting groove 23 on the casing 1, be provided with backing pin 24 in the mounting groove 23, backing pin 24 and casing 1 pass through threaded connection, mounting groove 23 and dovetail 21 intercommunication, the welding has connecting rod 25 on the trapezoidal piece 22, the welding has mounting panel 26 on the connecting rod 25. By providing the above structure, the cathode line 5 is fixed.

Wherein, clean mechanism 4 includes pull rod 41, slide 42, handle 43, even board 44, clean area 45, sliding connection has pull rod 41 in the guide slot 3, the welding has slide 42 on the pull rod 41, slide 42 and the contact of casing 1, the welding has handle 43 on the slide 42, the welding has even board 44 on the pull rod 41, be provided with clean area 45 on even board 44, cathode ray 5 has been cup jointed in the clean area 45. By setting the above structure, the cathode line 5 is cleaned.

Wherein, straining device 7 includes screw rod 71, swivel nut 72, sleeve 74, dog 75, spring 76, sliding pin 77, spout 78, backup pad 79, screw rod 71 and waist 6 swing joint, there is swivel nut 72 through threaded connection on the screw rod 71, swivel nut 72 and the contact of casing 1, sleeve 74 has been cup jointed in the outside slip of screw rod 71, the welding has dog 75 on the screw rod 71, the slip cup joints dog 75 in the sleeve 74, the outside of screw rod 71 is provided with spring 76, the welding has sliding pin 77 on the dog 75, the welding has backup pad 79 on the sleeve 74. By providing the above structure, the cathode ray 5 is tensioned.

One end of the spring 76 is in contact with the sleeve 74, and the other end of the spring 76 is in contact with the stopper 75. The sleeve 74 is urged by the provision of a spring 76.

A sliding groove 78 is formed in a side wall of the sleeve 74, and a sliding pin 77 is slidably connected in the sliding groove 78. The stopper 75 is limited by providing the slide groove 78 and the slide pin 77.

Wherein, fixed establishment 8 is including keeping off lid 81, taper hole 83, toper piece 84, pressure spring 86, taper groove 87, adapter sleeve 88, lead screw 89, spacer pin 90, annular 91, clamp plate 92, inserted bar 93, all weld on mounting panel 26 and the backup pad 79 and keep off lid 81, it has negative pole line 5 to cup joint in the lid 81, the taper hole 83 has been seted up on backup pad 79 and the mounting panel 26, the toper piece 84 of two symmetric distributions has been slided in the taper hole 83, toper piece 84 and the 5 contacts of negative pole line, be provided with pressure spring 86 in the lid 81, the outside at negative pole line 5 is established to pressure spring 86 cover, the one end and the toper piece 84 contact of pressure spring 86, the other end and the baffle lid 81 fixed connection of pressure spring 86, taper groove 87 has been seted up on the toper piece 84, the welding has 88 on adapter sleeve 79 and the mounting panel 26, adapter sleeve 88 internal rotation is connected with lead screw 89, there is the clamp plate 92 in the outside of lead screw 89 through threaded connection, inserted bar 93 on the clamp plate 92, inserted bar 93 and the contact of taper groove 87. By providing the above structure, the cathode line 5 is fixed.

Wherein, the lateral wall of adapter sleeve 88 has spacer pin 90 through threaded connection, annular 91 has been seted up on the lead screw 89, sliding connection has spacer pin 90 in annular 91. Through setting up spacer pin 90 and annular 91, carry on spacingly to lead screw 89.

The using state of the invention is as follows: when the cathode wire 5 is replaced, the screw rod 89 is manually rotated, the screw rod 89 rotates and the pressing plate 92 makes a threaded motion, so that the pressing plate 92 moves towards a direction away from the connecting sleeve 88, the pressing plate 92 drives the inserting rod 93 to move, the inserting rod 93 leaves the conical blocks 84, the conical blocks 84 move under the elastic action of the pressure spring 86, the conical blocks 84 release the clamping of the cathode wire 5, the conical blocks 84 move to enable the cathode wire 5 to be taken down, when the cathode wire 5 is installed, the cathode wire 5 is inserted into the space between the two conical blocks 84 from the blocking cover 81, the screw rod 89 is manually reversed, so that the pressing plate 92 resets, the pressing plate 92 drives the inserting rod 93 to reset, the inserting rod 93 drives the conical blocks 84 to reset, the pressure spring 86 is compressed, the cathode wire 5 is pressed and fixed, the cathode wire 5 can be conveniently fixed and detached through the above description, the stability is higher after the fixing, after the cathode wire 5 is replaced, the screw sleeve 72 is rotated, the screw sleeve 72 rotates and the screw rod 71 does a threaded motion, so that the screw rod 71 rises, the screw rod 71 rises to drive the stop block 75 to rise, the stop block 75 rises to drive the spring 76 to rise, the spring 76 rises to drive the sleeve 74 to rise, the sleeve 74 rises to drive the support plate 79 to rise, so that the cathode wire 5 is tensioned, the stop block 75 rises to compress the spring 76, the position of the support plate 79 can be adjusted through the cooperation of the spring 76 and the sleeve 74, so that the cathode wire 5 can be tensioned through the fixing mechanism 8, the cathode wire 5 is always kept in a tensioned state to avoid looseness, when dust is adhered to the cathode wire 5, the sliding plate 42 is moved through the handle 43, the sliding plate 42 is moved to drive the pull rod 41 to move, the pull rod 41 slides in the guide groove 3 to drive the connecting plate 44 to move, and the connecting plate 44 drives the cleaning belt 45 to clean the surface of the cathode wire 5, so that the surface of the cathode line 5 is cleaner.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a straining device that rises is prevented to wet electrostatic precipitator's discharge system, includes casing (1), supporting mechanism (2), guide slot (3), clean mechanism (4), negative pole line (5), waist hole (6), straining device (7) and fixed establishment (8), its characterized in that: the improved cleaning device is characterized in that a supporting mechanism (2) is arranged on the shell (1), a guide groove (3) is formed in the shell (1), a cleaning mechanism (4) is connected in the guide groove (3) in a sliding mode, a cathode wire (5) is arranged on the supporting mechanism (2), the cleaning mechanism (4) is connected with the cathode wire (5) in a sliding mode, a waist hole (6) is formed in the shell (1), a tensioning mechanism (7) is movably connected in the waist hole (6), and fixing mechanisms (8) are arranged on the supporting mechanism (2) and the tensioning mechanism (7);

the supporting mechanism (2) comprises a dovetail groove (21), a trapezoidal block (22), a mounting groove (23), a stop pin (24), a connecting rod (25) and a mounting plate (26), the dovetail groove (21) is formed in the shell (1), the trapezoidal block (22) is connected in the dovetail groove (21) in a sliding mode, the mounting groove (23) is formed in the shell (1), the stop pin (24) is arranged in the mounting groove (23), the stop pin (24) is connected with the shell (1) through threads, the mounting groove (23) is communicated with the dovetail groove (21), the connecting rod (25) is welded on the trapezoidal block (22), and the mounting plate (26) is welded on the connecting rod (25);

the cleaning mechanism (4) comprises a pull rod (41), a sliding plate (42), a handle (43), a connecting plate (44) and a cleaning belt (45), the pull rod (41) is connected in the guide groove (3) in a sliding mode, the sliding plate (42) is welded on the pull rod (41), the sliding plate (42) is in contact with the shell (1), the handle (43) is welded on the sliding plate (42), the connecting plate (44) is welded on the pull rod (41), the cleaning belt (45) is arranged on the connecting plate (44), and a cathode wire (5) is sleeved in the cleaning belt (45);

the tensioning mechanism (7) comprises a screw rod (71), a threaded sleeve (72), a sleeve (74), a stop block (75), a spring (76), a sliding pin (77), a sliding groove (78) and a supporting plate (79), the screw rod (71) is movably connected with the waist hole (6), the threaded sleeve (72) is connected onto the screw rod (71) through threads, the threaded sleeve (72) is in contact with the shell (1), the sleeve (74) is sleeved on the outer side of the screw rod (71) in a sliding mode, the stop block (75) is welded on the screw rod (71), the stop block (75) is sleeved in the sleeve (74) in a sliding mode, the spring (76) is arranged on the outer side of the screw rod (71), the sliding pin (77) is welded on the stop block (75), and the supporting plate (79) is welded on the sleeve (74);

one end of the spring (76) is contacted with the sleeve (74), and the other end of the spring (76) is contacted with the stop block (75);

a sliding groove (78) is formed in the side wall of the sleeve (74), and a sliding pin (77) is connected in the sliding groove (78) in a sliding manner;

the fixing mechanism (8) comprises a retaining cover (81), a taper hole (83), a conical block (84), a pressure spring (86), a taper groove (87), a connecting sleeve (88), a screw rod (89), a limiting pin (90), an annular groove (91), a pressing plate (92) and an inserting rod (93), the retaining cover (81) is welded on the mounting plate (26) and the supporting plate (79), a cathode wire (5) is sleeved in the retaining cover (81), the conical hole (83) is arranged on the supporting plate (79) and the mounting plate (26), the conical block (84) which is symmetrically distributed is sleeved in the taper hole (83), the conical block (84) is contacted with the cathode wire (5), the pressure spring (86) is arranged in the retaining cover (81), the outer side of the cathode wire (5) is sleeved with the pressure spring (86), one end of the pressure spring (86) is contacted with the conical block (84), the other end of the pressure spring (86) is fixedly connected with the retaining cover (81), the conical groove (87) is arranged on the supporting plate (79) and the mounting plate (26), the screw rod (88) is welded with the pressing plate (89), and the outer side of the screw rod (89), the pressing plate (92) is welded with an inserting rod (93), and the inserting rod (93) is in contact with the conical groove (87).

2. The tension preventing device for the discharging system of a wet electrostatic precipitator according to claim 1, wherein: the lateral wall of adapter sleeve (88) has spacer pin (90) through threaded connection, annular (91) have been seted up on lead screw (89), sliding connection has spacer pin (90) in annular (91).