CN112156583A - Flue gas purification device for coal-fired boiler - Google Patents
Flue gas purification device for coal-fired boiler Download PDFInfo
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- CN112156583A CN112156583A CN202010969962.3A CN202010969962A CN112156583A CN 112156583 A CN112156583 A CN 112156583A CN 202010969962 A CN202010969962 A CN 202010969962A CN 112156583 A CN112156583 A CN 112156583A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
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Abstract
The invention discloses a flue gas purification device for a coal-fired boiler, and relates to the field of waste gas purification. This a gas cleaning device for coal fired boiler includes a dust filtering cylinder, the collar has been cup jointed in the dust filtering cylinder activity, fixedly connected with dust filtering net between the connecting strip, collar fixedly connected with gathers the dirt piece, the leak dirt groove has been seted up to the go-between, go-between fixedly connected with dust exhaust pipe, go-between fixedly connected with mounting disc, the mounting disc has the rolling disc through screw hole threaded connection, the mounting disc has the rectangular pole through rectangular hole sliding connection, the rectangular pole passes through the dwang, the rotor plate, first rotation hole and second rotate the hole and rotate with the rolling disc and be connected, the transmission connecting rod rotates through a shaft hole and is connected with the rectangular pole rotation, the transmission connecting rod rotates through another shaft hole and is connected with the carriage release lever, the circular rubber cover of carriage. This a flue gas purification device for coal fired boiler has and can be convenient for carry out the function of clearing up the dust that filters down under the condition that need not to dismantle.
Description
Technical Field
The invention relates to the technical field of waste gas purification, in particular to a flue gas purification device for a coal-fired boiler.
Background
Coal-fired boilers are the most common type of boilers, but a large amount of flue gas is generated in the process of coal combustion, the direct emission of the flue gas causes pollution to the atmosphere, and the flue gas needs to be purified before the emission, so that a flue gas purification device for the coal-fired boilers is needed.
The existing flue gas purification device for the coal-fired boiler has the following defects that flue gas contains a large amount of dust, the purification of the flue gas comprises the filtration of the dust, a filtering pipeline is generally arranged between a flue gas conveying pipeline and an exhaust pipeline, and a device capable of filtering the dust is arranged in the filtering pipeline.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a flue gas purification device for a coal-fired boiler, which aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a flue gas purification device for a coal-fired boiler comprises a dust filtering cylinder, wherein an installation ring is movably sleeved on the inner circular surface of the dust filtering cylinder, four connecting strips are fixedly connected to the inner circular surface of the installation ring, a dust filtering net is fixedly connected among the four connecting strips, the installation ring is fixedly connected with a dust collecting block through the connecting strips, a dust exhaust hole is formed in the upper surface of the dust collecting block, an external thread ring is fixedly connected to the lower surface of the dust collecting block, and a rubber pad is fixedly connected to the lower surface of the dust collecting block;
the outer circle surface of the dust filter cylinder is provided with an inclined hole, the dust filter cylinder is fixedly connected with a dust guide pipe through the inclined hole, the upper surface of the dust guide pipe is fixedly connected with an internal thread ring which is in contact with the external thread ring, the lower surface of the dust guide pipe is fixedly connected with a connecting ring, the inner circle surface of the connecting ring is provided with a dust leakage groove, the outer circle surface of the connecting ring is fixedly connected with a dust exhaust pipe, and the lower surface of the connecting ring is fixedly connected with a mounting disc through a screw;
the mounting disc is fixedly connected with two connecting rods on one side, the mounting disc is fixedly connected with a connecting plate through the connecting rods, the central position of the connecting plate is fixedly connected with a connecting disc, a threaded hole is formed in one side of the connecting disc, the mounting disc is connected with a rotating disc through a threaded hole in a threaded manner, a rectangular hole is formed in one side of the mounting disc, and the mounting disc is connected with a rectangular rod through the rectangular hole in a sliding manner;
one side of the rotating disc is fixedly connected with a threaded rod which is in contact with a threaded hole, one side of the threaded rod, which is far away from the rotating disc, is provided with a first rotating hole, a second rotating hole is formed in the first rotating hole, the outer surface of the rectangular rod is fixedly connected with a rectangular rubber sleeve which is in contact with the rectangular hole, one end of the rectangular rod is fixedly connected with a rotating rod which is in contact with the first rotating hole, one end of the rotating rod, which is far away from the rectangular rod, is fixedly connected with a rotating sheet which is in contact with the second rotating hole, and the rectangular rod is rotatably connected with the rotating disc through the rotating rod, the rotating sheet, the first rotating hole and;
the other end of the rectangular rod is provided with a first through groove, a first rotating shaft is fixedly connected in the first through groove, the rectangular rod is rotatably connected with a transmission connecting rod through the first rotating shaft, the front surface of the transmission connecting rod is provided with two shaft holes, the transmission connecting rod is rotatably connected with the rectangular rod through one shaft hole, and the transmission connecting rod is rotatably connected with a movable rod through the other shaft hole;
the outer circle surface of the moving rod is fixedly connected with a circular rubber sleeve which is in contact with the dust exhaust hole, the bottom of the moving rod is provided with a second through groove, and a second rotating shaft which is in contact with the shaft hole is fixedly connected in the second through groove.
Preferably, the inclined hole is communicated with the inner circular surface of the dust filter cylinder, and the outer circular surface of the dust guide pipe is fixedly connected to the inner circular surface of the inclined hole.
Preferably, four the connecting strip is the annular about the centre of a circle of collar and distributes, the connecting strip all inclines towards the centre of a circle of collar along the direction from the top down, gather dirt piece fixed connection at the lower surface of four connecting strips, the upper surface of gathering the dirt piece is sunken towards the centre of a circle, the dust exhaust hole runs through to the lower surface of gathering the dirt piece, the internal diameter of external screw thread ring is greater than the diameter in dust exhaust hole, the excircle surface of external screw thread ring is provided with the external screw thread, the internal diameter of rubber pad is greater than the maximum external diameter of external screw thread ring.
Preferably, the inner circular surface of the internal thread ring is communicated with the inner cavity of the dust guide pipe, an internal thread is formed on the inner circular surface of the internal thread ring, the external thread ring is in threaded connection with the internal thread ring, and the dust exhaust pipe is communicated with the dust leakage groove.
Preferably, the connecting plate sets up the one end of keeping away from the mounting disc at two connecting rods, the screw hole runs through to the opposite side of connection pad, the internal thread has been seted up on the interior round surface of screw hole, the excircle surface of threaded rod is provided with the external screw thread, threaded rod threaded connection is in the threaded hole, the rectangular hole runs through to the opposite side of mounting disc, rectangle rubber sleeve sliding connection is in the rectangular hole, the dwang rotates to be connected at first rotating hole, the rotor plate rotates to be connected at the second rotating hole downtheholely, the diameter that the second rotated the hole is greater than the diameter in first rotating hole, the diameter of rotor plate is greater than the diameter of rotor plate.
Preferably, the upper surface and the lower surface that first logical groove and rectangle pole all set up to communicate with each other, the second leads to the groove and sets up to communicate with each other with the excircle surface of carriage release lever, and a shaft hole rotates to be connected in first pivot, and another the shaft hole rotates to be connected in the second pivot, circular rubber sleeve sliding connection is downthehole at the dust exhaust.
Preferably, the lower surface of the connecting ring is provided with a plurality of screw holes which are in contact with screws, the screw holes are distributed in an annular shape about the center of circle of the connecting ring, one side of the mounting disc is provided with a plurality of screw through holes which are in contact with the screws, and the screw through holes are distributed in an annular shape about the center of circle of the mounting disc.
Preferably, two first clamping grooves are formed in the upper surface of the dust filtering cylinder, the first clamping grooves are symmetrically distributed about the circle center of the dust filtering cylinder, the first clamping grooves are communicated with the inner circular surface of the dust filtering cylinder, the dust filtering cylinder is connected with a clamping rod through the first clamping grooves in a sliding mode, and the upper surface of the moving rod is provided with a jack.
Preferably, the lower surface of the clamping rod is fixedly connected with an inserting rod which is in contact with the inserting hole, the upper surface of the mounting ring is provided with two second clamping grooves which are in contact with the clamping rod, the second clamping grooves are symmetrically distributed about the circle center of the mounting ring, and the second clamping grooves are communicated with the inner circle surface and the outer circle surface of the mounting ring.
The invention discloses a flue gas purification device for a coal-fired boiler, which has the following beneficial effects:
1. the flue gas purification device for the coal-fired boiler is provided with the dust filtering cylinder, the mounting ring, the dust guide pipe, the mounting disc, the rotating disc and the like, dust in flue gas is filtered by the dust filtering net and gathered on the dust exhaust hole, the rotating disc is rotated clockwise to enable the rectangular rod to be close to the moving rod, the transmission connecting rod is rotatably connected with the rectangular rod and the moving rod at the same time, the moving of the rectangular rod enables the circular rubber sleeve to move upwards, after the circular rubber sleeve is separated from the dust exhaust hole, the dust gathered on the dust exhaust hole enters the dust guide pipe from the dust exhaust hole, the dust can slide downwards in the dust guide pipe and finally is discharged and collected through the dust leakage groove and the dust exhaust pipe, the moving rod can move downwards by rotating the rotating disc anticlockwise, after the circular rubber sleeve slides into the dust exhaust hole, the dust exhaust hole can be sealed again, the dust filtered by the dust filtering net can be cleaned, the device does not need to be disassembled, the device has the function that can be convenient for clear up the dust that filters down under the condition that need not to dismantle.
2. This a flue gas purification device for coal fired boiler is through setting up go-between and mounting disc, the screw hole that the screw connection was seted up at the mounting disc and the screw hole was seted up at the go-between, thereby can make the mounting disc fix on the go-between, the mounting disc, the rolling disc, the rectangular rod, drive connecting rod and carriage release lever connect gradually, and lead dirt pipe and rolling disc, the rectangular rod, there is not direct relation of connection between drive connecting rod and the carriage release lever, it just can dismantle the mounting disc from the go-between to pull down the screw, thereby can be with the mounting disc, the rolling disc, the rectangular rod, drive connecting rod and carriage release lever are dismantled from the device, the device has can be convenient for to the mounting disc, the rolling disc, the rectangular rod, drive connecting rod and carriage release lever carry out the function of dismantling.
3. This a flue gas purification device for coal fired boiler is through setting up first draw-in groove, the second draw-in groove, jack and kelly, pass the inserted bar row dirt hole and contact with the carriage release lever, the user removes the position of the inserted bar of adjustment through the control kelly, and adjust the position of carriage release lever simultaneously, just can insert the inserted bar in the jack, both ends when the kelly block respectively behind two first draw-in grooves that the dust filter section of thick bamboo was seted up, make circular rubber cover just correspond and can slide into the row dirt downthehole with the row dirt hole, and the inserted bar can also fix a position circular rubber cover, the circular rubber cover of in-process that reciprocates at the carriage release lever corresponds the row dirt hole all the time, the device can make circular rubber cover be convenient for slide into the row dirt downthehole when the installation, and can fix a position reciprocating of circular rubber cover.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a full sectional view of the present invention;
FIG. 3 is a schematic structural view of a dust filter according to the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a partial cross-sectional view of the mounting ring of the present invention;
FIG. 6 is a full sectional view of the dust guide tube of the present invention;
FIG. 7 is a schematic structural view of a mounting plate of the present invention;
FIG. 8 is a partial cross-sectional view of a rotating disk of the present invention;
FIG. 9 is a schematic view of a rectangular bar according to the present invention;
FIG. 10 is a schematic view of the construction of the drive link of the present invention;
FIG. 11 is a schematic view of the travel bar of the present invention;
FIG. 12 is a schematic view of the structure of the clamping rod of the present invention.
In the figure: 1. a dust filter cylinder; 101. an inclined hole; 102. a first card slot; 2. a mounting ring; 201. a connecting strip; 202. a dust collecting block; 203. a dust exhaust hole; 204. an externally threaded ring; 205. a rubber pad; 206. a second card slot; 3. a dust filter screen; 4. a dust guide pipe; 401. an internally threaded ring; 402. a connecting ring; 403. a dust leakage groove; 404. A dust exhaust pipe; 5. mounting a disc; 501. a connecting rod; 502. a connecting plate; 503. a connecting disc; 504. a threaded hole; 505. a rectangular hole; 6. rotating the disc; 601. a threaded rod; 602. a first rotation hole; 603. a second rotation hole; 7. a rectangular bar; 701. a rectangular rubber sleeve; 702. rotating the rod; 703. a rotating sheet; 704. A first through groove; 705. a first rotating shaft; 8. a transmission connecting rod; 801. a shaft hole; 9. a travel bar; 901. a circular rubber sleeve; 902. a second through groove; 903. a second rotating shaft; 904. a jack; 11. a clamping rod; 1101. and (4) inserting the rod.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1-12, a flue gas purification device for a coal-fired boiler comprises a dust filter 1, the dust filter 1 is installed between a flue gas conveying pipeline and an exhaust pipeline through flange connection, flue gas with dust generated by the boiler through coal burning enters the dust filter 1 from the flue gas conveying pipeline, and enters the exhaust pipeline for exhaust after filtration, an installation ring 2 is movably sleeved on the inner circular surface of the dust filter 1, four connection strips 201 are fixedly connected to the inner circular surface of the installation ring 2, the four connection strips 201 are distributed in an annular shape with respect to the circle center of the installation ring 2, the connection strips 201 are all inclined towards the circle center of the installation ring 2 along the direction from top to bottom, a dust filter net 3 is fixedly connected between the four connection strips 201, the dust filter net 3 can filter the flue gas with dust, the dust can be filtered from the flue gas, a dust collecting block 202 is fixedly connected to the installation ring 2 through the connection strips 201, the dust collecting block 202 is fixedly connected to the lower surfaces of the four connecting strips 201, the upper surface of the dust collecting block 202 is recessed towards the circle center, the upper surface of the dust collecting block 202 is provided with a dust exhaust hole 203, the dust exhaust hole 203 penetrates through to the lower surface of the dust collecting block 202, the inner diameter of the external thread ring 204 is larger than the diameter of the dust exhaust hole 203, the lower surface of the dust collecting block 202 is fixedly connected with an external thread ring 204, the outer circle surface of the external thread ring 204 is provided with an external thread, the lower surface of the dust collecting block 202 is fixedly connected with a rubber pad 205, the inner diameter of the rubber pad 205 is larger than the maximum outer diameter of the external thread ring 204, the outer circle surface of the dust filter 1 is provided with an inclined hole 101, the dust filter 1 is fixedly connected with a dust guide pipe 4 through the inclined hole 101, the inclined hole 101 is communicated with the inner circle surface of the dust filter 1, the outer circle surface of the dust guide pipe 4 is fixedly connected, the inner circular surface of the internal thread ring 401 is communicated with the inner cavity of the dust guide pipe 4, the inner circular surface of the internal thread ring 401 is provided with internal threads, the external thread ring 204 is in threaded connection with the internal thread ring 401, the lower surface of the dust guide pipe 4 is fixedly connected with a connecting ring 402, the inner circular surface of the connecting ring 402 is provided with a dust leakage groove 403, the outer circular surface of the connecting ring 402 is fixedly connected with a dust exhaust pipe 404, the dust exhaust pipe 404 is communicated with the dust leakage groove 403, the dust leakage groove 403 and the dust exhaust pipe 404 are both arranged at the lowest end of the outer circular surface of the connecting ring 402, the dust guide pipe 4 inclines downwards along the direction from the internal thread ring 401 to the connecting ring 402, the lower surface of the connecting ring 402 is fixedly connected with a mounting disc 5 through screws, one side of the mounting disc 5 is fixedly connected with two connecting rods 501, the connecting rod 501 is arranged for connecting the connecting plate 502, the mounting disc 5, the connecting plate 502 is arranged to be connected with the connecting disc 503, the connecting disc 503 is fixedly connected with the central position of the connecting plate 502, the connecting disc 503 is arranged to be provided with a threaded hole 504 to be in threaded connection with the rotating disc 6, one side of the connecting disc 503 is provided with a threaded hole 504, the threaded hole 504 penetrates to the other side of the connecting disc 503, the inner circle surface of the threaded hole 504 is provided with an internal thread, the mounting disc 5 is in threaded connection with the rotating disc 6 through the threaded hole 504, one side of the mounting disc 5 is provided with a rectangular hole 505, the rectangular hole 505 penetrates to the other side of the mounting disc 5, the mounting disc 5 is in sliding connection with a rectangular rod 7 through the rectangular hole 505, one side of the rotating disc 6 is fixedly connected with a threaded rod 601 which is in contact with the threaded hole 504, the outer circle surface of the threaded rod, a second rotating hole 603 is formed in the first rotating hole 602, a rectangular rubber sleeve 701 which is in contact with the rectangular hole 505 is fixedly connected to the outer surface of the rectangular rod 7, the rectangular rubber sleeve 701 is made of rubber and has good sealing performance, and can prevent discharged dust from being discharged from the rectangular hole 505, the rectangular rubber sleeve 701 is slidably connected in the rectangular hole 505, a rotating rod 702 which is in contact with the first rotating hole 602 is fixedly connected to one end of the rectangular rod 7, a rotating sheet 703 which is in contact with the second rotating hole 603 is fixedly connected to one end of the rotating rod 702 away from the rectangular rod 7, the rectangular rod 7 is rotatably connected with the rotating disk 6 through the rotating rod 702, the rotating sheet 703, the first rotating hole 602 and the second rotating hole 603, the rotating rod 702 is rotatably connected with the first rotating hole 602, the rotating sheet 703 is rotatably connected in the second rotating hole 603, and the diameter of the second rotating hole 603 is larger than that of the first rotating hole 602, the diameter of the rotating sheet 703 is larger than that of the rotating rod 702, so that the movement of the rotating disc 6 can drive the movement of the rectangular rod 7, the other end of the rectangular rod 7 is provided with a first through groove 704, the first through groove 704 is communicated with the upper surface and the lower surface of the rectangular rod 7, the first through groove 704 is provided for connecting a first rotating shaft 705 to be rotatably connected with the transmission connecting rod 8, a first rotating shaft 705 is fixedly connected in the first through groove 704, the rectangular rod 7 is rotatably connected with the transmission connecting rod 8 through the first rotating shaft 705, the front surface of the transmission connecting rod 8 is provided with two shaft holes 801, the transmission connecting rod 8 is rotatably connected with the rectangular rod 7 through one shaft hole 801, the transmission connecting rod 8 is rotatably connected with the moving rod 9 through the other shaft hole 801, one shaft hole 801 is rotatably connected to the first rotating shaft 705, the other shaft hole 801 is rotatably connected to the second rotating shaft 903, the outer circle surface of the moving rod 9 is fixedly, the circular rubber sleeve 901 is connected in the dust exhaust hole 203 in a sliding manner, the circular rubber sleeve 901 is made of rubber and has a certain sealing property with good elasticity, so that when the circular rubber sleeve 901 is positioned in the dust exhaust hole 203, smoke can be prevented from passing through the dust exhaust hole 203, the smoke can only pass through the dust filter 3 after being filtered and then circulates, the bottom of the movable rod 9 is provided with a second through groove 902, the second through groove 902 is communicated with the outer circle surface of the movable rod 9, the second through groove 902 is provided with two communicated parts with the outer circle surface of the movable rod 9, the second through groove 902 is provided for connecting a second rotating shaft 903 to be rotatably connected with the transmission connecting rod 8, the second rotating shaft 903 which is contacted with the shaft hole 801 is fixedly connected in the second through groove 902, the mounting ring 2 is movably sleeved on the inner circle surface of the dust filter 1, the external thread ring 204 is in the internal thread ring 401, and the lower surface of the rubber pad 205 is tightly attached to the upper surface of the internal thread, the sealing performance of the connection part of the installation ring 2 and the dust guide pipe 4 can be ensured, the circular rubber sleeve 901 is connected in the dust exhaust hole 203 in a sliding manner, the dust exhaust hole 203 is sealed, filtered dust is gathered on the dust exhaust hole 203, after the boiler stops working, the rotating disc 6 is rotated anticlockwise to drive the rectangular rod 7 to move towards the direction close to the moving rod 9, the transmission connecting rod 8 is respectively connected with the rectangular rod 7 and the moving rod 9 in a rotating manner, and the circular rubber sleeve 901 is connected in the dust exhaust hole 203 in a sliding manner, so that the moving rod 9 and the circular rubber sleeve 901 can be driven to move upwards by the moving of the rectangular rod 7, when the circular rubber sleeve 901 is separated from the dust exhaust hole 203, the dust gathered on the dust exhaust hole 203 enters the dust guide pipe 4 from the dust exhaust hole 203, the dust guide pipe 4 inclines downwards along the direction from the internal thread ring 401 to the connection ring 402, so that the dust can slide downwards in the dust guide pipe 4, and finally discharged and collected through the dust leakage groove 403 and the dust discharge pipe 404, and then the rotating disc 6 is rotated anticlockwise to enable the rectangular rod 7 to move towards the direction far away from the moving rod 9, so that the moving rod 9 moves downwards, after the circular rubber sleeve 901 slides into the dust discharge hole 203 again, the dust discharge hole 203 can be sealed again, and then the dust filtered by the dust filter 3 can be cleaned without disassembling the device.
The device is provided with a dust filtering cylinder 1, a mounting ring 2, a dust guide pipe 4, a mounting disc 5, a rotating disc 6 and the like, dust in flue gas is filtered by a dust filtering net 3 and gathered on a dust discharge hole 203, the rotating disc 6 is rotated clockwise to enable a rectangular rod 7 to be close to a moving rod 9, a transmission connecting rod 8 is simultaneously connected with the rectangular rod 7 and the moving rod 9 in a rotating mode, the circular rubber sleeve 901 moves upwards due to movement of the rectangular rod 7, after the circular rubber sleeve 901 is separated from the dust discharge hole 203, dust gathered on the dust discharge hole 203 enters the dust guide pipe 4 from the dust discharge hole 203, the dust can slide downwards in the dust guide pipe 4 and finally is discharged and collected through a dust leakage groove 403 and a dust discharge pipe 404, the moving rod 9 can move downwards due to anticlockwise rotation of the rotating disc 6, after the circular rubber sleeve 901 slides into the dust discharge hole 203, the dust discharge hole 203 can be sealed again, and dust filtered by the dust filtering net 3 can be cleaned, need not to dismantle the device, the device has can be convenient for carry out the function of clearing up the dust that filters down under the condition that need not to dismantle.
Example 2
Example 2 is a further modification to example 1.
As shown in fig. 1-12, a flue gas purification device for a coal-fired boiler comprises a dust filter 1, the lower surface of a connecting ring 402 is provided with a plurality of screw holes contacting with screws, the screw holes are distributed annularly about the center of circle of the connecting ring 402, one side of a mounting disc 5 is provided with a plurality of screw through holes contacting with screws, the screw through holes are distributed annularly about the center of circle of the mounting disc 5, a dust guide tube 4 is not directly connected with a rotating disc 6, a rectangular rod 7, a transmission connecting rod 8 and a moving rod 9, but the mounting disc 5, the rotating disc 6, the rectangular rod 7, the transmission connecting rod 8 and the moving rod 9 are sequentially connected, the connection between the mounting disc 5 and the dust guide tube 4 is realized by the screws, the screw through holes arranged on the mounting disc 5 and the screw holes arranged on the connecting ring 402, the mounting disc 5 can be detached from the connecting ring 402 by detaching the screws, this enables the mounting plate 5, the turn plate 6, the rectangular bar 7, the drive link 8 and the travel bar 9 to be removed from the device.
The device is through setting up go-between 402 and mounting disc 5, the screw connection is in the screw through-hole that mounting disc 5 was seted up and the screw hole that go-between 402 was seted up, thereby can make mounting disc 5 fix on go-between 402, mounting disc 5, rolling disc 6, rectangular rod 7, drive connecting rod 8 and carriage release lever 9 connect gradually, and lead dirt pipe 4 and rolling disc 6, rectangular rod 7, there is not direct relation of connection between drive connecting rod 8 and the carriage release lever 9, it just can dismantle mounting disc 5 from go-between 402 to pull down the screw, thereby can be with mounting disc 5, rolling disc 6, rectangular rod 7, drive connecting rod 8 and carriage release lever 9 follow the device and dismantle, the device has can be convenient for dismantle the function to mounting disc 5, rolling disc 6, rectangular rod 7, drive connecting rod 8 and carriage release lever 9.
Example 3
Example 3 is a further modification to example 1.
As shown in fig. 1-12, a flue gas purification device for a coal-fired boiler comprises a dust filter 1, two first clamping grooves 102 are formed on the upper surface of the dust filter 1, the first clamping grooves 102 are symmetrically distributed about the center of circle of the dust filter 1, the first clamping grooves 102 are communicated with the inner circular surface of the dust filter 1, the dust filter 1 is slidably connected with a clamping rod 11 through the first clamping grooves 102, the upper surface of a moving rod 9 is provided with a jack 904, the lower surface of the clamping rod 11 is fixedly connected with an inserting rod 1101 in contact with the jack 904, the inserting rod 1101 passes through a dust exhaust hole 203 and can be inserted into a circular rubber sleeve 901, the upper surface of a mounting ring 2 is provided with two second clamping grooves 206 in contact with the clamping rod 11, the second clamping grooves 206 are symmetrically distributed about the center of circle of the mounting ring 2, the second clamping grooves 206 are communicated with the inner circular surface and the outer circular surface of the mounting ring 2, the second clamping grooves 206 are used for accommodating the clamping rod 11 in cooperation with the first, when the external thread ring 204 is threaded in the internal thread ring 401, the two second slots 206 correspond to the two first slots 102, and at this time, the upper surface of the mounting ring 2 is slightly lower than the upper surface of the dust filter cylinder 1, when the device is mounted, the circular rubber sleeve 901 needs to be slidably connected in the dust exhaust hole 203, the insert rod 1101 passes through the dust exhaust hole 203 and contacts with the moving rod 9, a user moves the adjusted position of the insert rod 1101 by controlling the clamping rod 11 and adjusts the position of the moving rod 9 at the same time, the insert rod 1101 can be inserted in the insertion hole 904, then the two ends of the clamping rod 11 are respectively clamped in the two first slots 102 formed in the dust filter cylinder 1, at this time, the circular rubber sleeve 901 corresponds to the dust exhaust hole 203 and can slide into the dust exhaust hole 203, and the insert rod 1101 can also position the circular rubber sleeve 901, the circular rubber sleeve 901 always corresponds to the dust exhaust hole 203 in the process that the moving rod 9 moves up and down, when the circular rubber sleeve 901 moves upwards and is separated from the dust exhaust hole 203, the circular rubber sleeve 901 can conveniently slide into the dust exhaust hole 203 when moving downwards, and when the dust filter cylinder 1 is installed between the flue gas conveying pipeline and the exhaust pipeline, the clamping rod 11 is also fixed.
The device is through setting up first draw-in groove 102, second draw-in groove 206, jack 904 and kelly 11, pass extension bar 1101 and contact with carriage release lever 9, the user removes the position of the extension bar 1101 of adjustment through control kelly 11, and adjust the position of carriage release lever 9 simultaneously, just can insert extension bar 1101 in jack 904, after the both ends of kelly 11 are blocked respectively in two first draw-in grooves 102 that dust filter 1 offered, make circular rubber sleeve 901 just correspond with dust release hole 203 and can slide into dust release hole 203, and extension bar 1101 can also fix a position circular rubber sleeve 901, circular rubber sleeve 901 corresponds dust release hole 203 all the time at the in-process that carriage release lever 9 reciprocated, the device can make circular rubber sleeve be convenient for slide into dust release hole 203 when the installation, and can fix a position reciprocating of circular rubber sleeve 901.
The working principle is as follows: when the dust filter is used, the mounting ring 2 is movably sleeved on the inner circular surface of the dust filter cylinder 1, because the outer circular surface of the external thread ring 204 is provided with external threads, the inner circular surface of the internal thread ring 401 is provided with internal threads, the external thread ring 204 is in threaded connection with the internal thread ring 401, the lower surface of the rubber pad 205 is attached to the upper surface of the internal thread ring 401, when the lower surface of the rubber pad 205 is tightly attached to the upper surface of the internal thread ring 401, the sealing performance of the connection part of the mounting ring 2 and the dust guide pipe 4 can be ensured, when the mounting ring 2 is mounted in the dust filter cylinder 1, the circular rubber sleeve 901 is in sliding connection with the dust discharge hole 203, then the dust filter cylinder 1 is mounted between a flue gas conveying pipeline and an exhaust pipeline, flue gas with dust generated by coal burning of a boiler enters the dust filter cylinder 1 from the flue gas conveying pipeline, is filtered and then enters the exhaust pipeline to be discharged, because the circular rubber sleeve 901, the sealing performance is good in certain elasticity, when the circular rubber sleeve 901 is positioned in the dust exhaust hole 203, smoke can be prevented from passing through the dust exhaust hole 203, the smoke can only pass through the dust filter 3 for circulation after being filtered, dust is filtered by the dust filter 3, because the connecting strips 201 are inclined towards the circle center of the mounting ring 2 from top to bottom, the dust filter 3 is also inclined, the filtered dust is guided to the dust gathering block 202, the upper surface of the dust gathering block 202 is sunken towards the circle center, the dust is guided to gather above the dust exhaust hole 203, because the circular rubber sleeve 901 is connected in the dust exhaust hole 203, the dust cannot be exhausted, when the boiler stops working, a certain amount of dust is gathered above the dust exhaust hole 203, the dust needs to be cleaned, because the threaded rod 601 is in the threaded hole 504 formed in the connecting plate 503, the rectangular rubber sleeve 701 is connected in the rectangular hole 505 in a sliding manner, because the rectangular rubber sleeve 701 is made of rubber and has good sealing performance, the discharged dust can be prevented from being discharged from the rectangular hole 505, and the rotating rod 702 and the rotating sheet 703 are respectively and rotatably connected in the first rotating hole 602 and the second rotating hole 603, when the rotating disk 6 is rotated clockwise, the rotating disk 6 can move towards the direction close to the mounting disk 5, so that the rectangular rod 7 moves towards the direction close to the moving rod 9, the rectangular rod 7 is rotatably connected with the transmission connecting rod 8 through the first rotating shaft 705 and the shaft hole 801 which are connected in the first through groove 704, and the transmission connecting rod 8 is rotatably connected with the moving rod 9 through the rotating sheet 703 which is connected in the other shaft hole 801 and the second through groove 902, so that the moving rod 7 can move upwards to drive the moving rod 9, when the moving rod 9 moves upwards to separate the circular rubber sleeve 901 from the dust discharging hole 203, the dust collected on the dust discharging hole 203 can enter the dust guiding pipe 4 from the dust discharging hole 203, because the dust guide pipe 4 inclines downwards along the direction from the internal thread ring 401 to the connecting ring 402, dust slides downwards in the dust guide pipe 4 and is finally discharged through the dust leakage groove 403 and the dust exhaust pipe 404 and collected, then the rotating disc 6 is rotated anticlockwise to enable the rectangular rod 7 to move towards the direction far away from the moving rod 9, so that the moving rod 9 moves downwards, after the circular rubber sleeve 901 slides into the dust exhaust hole 203 again, the dust exhaust hole 203 can be sealed again, dust filtered by the dust filter 3 can be cleaned, the device does not need to be disassembled, and the filtered dust can be cleaned conveniently under the condition that the device does not need to be disassembled.
The device is provided with a dust filtering cylinder 1, a mounting ring 2, a dust guide pipe 4, a mounting disc 5, a rotating disc 6 and the like, dust in flue gas is filtered by a dust filtering net 3 and gathered on a dust discharge hole 203, the rotating disc 6 is rotated clockwise to enable a rectangular rod 7 to be close to a moving rod 9, a transmission connecting rod 8 is simultaneously connected with the rectangular rod 7 and the moving rod 9 in a rotating mode, the circular rubber sleeve 901 moves upwards due to movement of the rectangular rod 7, after the circular rubber sleeve 901 is separated from the dust discharge hole 203, dust gathered on the dust discharge hole 203 enters the dust guide pipe 4 from the dust discharge hole 203, the dust can slide downwards in the dust guide pipe 4 and finally is discharged and collected through a dust leakage groove 403 and a dust discharge pipe 404, the moving rod 9 can move downwards due to anticlockwise rotation of the rotating disc 6, after the circular rubber sleeve 901 slides into the dust discharge hole 203, the dust discharge hole 203 can be sealed again, and dust filtered by the dust filtering net 3 can be cleaned, need not to dismantle the device, the device has can be convenient for carry out the function of clearing up the dust that filters down under the condition that need not to dismantle.
When the device is used for a long time, the connection between the shaft hole 801 and the first rotating shaft 705 and the connection between the shaft hole 801 and the second rotating shaft 903 are seriously abraded due to the existence of dust, which affects the use of the device because the dust guide tube 4 is not directly connected with the rotating disc 6, the rectangular rod 7, the transmission connecting rod 8 and the moving rod 9, but the mounting disc 5, the rotating disc 6, the rectangular rod 7, the transmission connecting rod 8 and the moving rod 9 are sequentially connected, and the mounting disc 5 and the dust guide tube 4 are connected through the screws, the screw through holes formed in the mounting disc 5 and the screw holes formed in the connecting ring 402, and the mounting disc 5 can be detached from the connecting ring 402 by detaching the screws, so that the mounting disc 5, the rotating disc 6, the rectangular rod 7, the transmission connecting rod 8 and the moving rod 9 can be detached from the device, which is convenient for detaching the mounting disc 5, the rotating disc 6, the rectangular rod 7, the transmission connecting rod, The rotating disc 6, the rectangular rod 7, the transmission connecting rod 8 and the moving rod 9 are disassembled.
The device is through setting up go-between 402 and mounting disc 5, the screw connection is in the screw through-hole that mounting disc 5 was seted up and the screw hole that go-between 402 was seted up, thereby can make mounting disc 5 fix on go-between 402, mounting disc 5, rolling disc 6, rectangular rod 7, drive connecting rod 8 and carriage release lever 9 connect gradually, and lead dirt pipe 4 and rolling disc 6, rectangular rod 7, there is not direct relation of connection between drive connecting rod 8 and the carriage release lever 9, it just can dismantle mounting disc 5 from go-between 402 to pull down the screw, thereby can be with mounting disc 5, rolling disc 6, rectangular rod 7, drive connecting rod 8 and carriage release lever 9 follow the device and dismantle, the device has can be convenient for dismantle the function to mounting disc 5, rolling disc 6, rectangular rod 7, drive connecting rod 8 and carriage release lever 9.
When the device is installed, the circular rubber sleeve 901 needs to be slidably connected in the dust exhaust hole 203, after the rectangular rod 7, the transmission connecting rod 8 and the moving rod 9 are already in the dust guide pipe 4, the inserting rod 1101 penetrates through the dust exhaust hole 203 and contacts with the moving rod 9, a user moves the adjusted position of the inserting rod 1101 by controlling the clamping rod 11 and simultaneously adjusts the position of the moving rod 9, the inserting rod 1101 is inserted in the jack 904, then two ends of the clamping rod 11 are respectively clamped in the two first clamping grooves 102 formed in the dust filter cylinder 1, when the installation ring 2 is installed, the two second clamping grooves 206 are respectively aligned with the two first clamping grooves 102, so that two ends of the clamping rod 11 are respectively clamped in the two second clamping grooves 206 formed in the installation ring 2, at the moment, the circular rubber sleeve 901 can correspond to the dust exhaust hole 203 and can slide into the dust exhaust hole 203, and the inserting rod 1101 can also position the circular rubber sleeve 901, the circular rubber sleeve 901 always corresponds to the dust exhaust hole 203 in the up-and-down moving process of the moving rod 9, so that when the circular rubber sleeve 901 moves upwards and is separated from the dust exhaust hole 203, the circular rubber sleeve 901 can conveniently slide into the dust exhaust hole 203 when moving downwards, the circular rubber sleeve 901 can conveniently slide into the dust exhaust hole 203 during installation, and the up-and-down moving of the circular rubber sleeve 901 can be positioned.
The device is through setting up first draw-in groove 102, second draw-in groove 206, jack 904 and kelly 11, pass extension bar 1101 and contact with carriage release lever 9, the user removes the position of the extension bar 1101 of adjustment through control kelly 11, and adjust the position of carriage release lever 9 simultaneously, just can insert extension bar 1101 in jack 904, after the both ends of kelly 11 are blocked respectively in two first draw-in grooves 102 that dust filter 1 offered, make circular rubber sleeve 901 just correspond with dust release hole 203 and can slide into dust release hole 203, and extension bar 1101 can also fix a position circular rubber sleeve 901, circular rubber sleeve 901 corresponds dust release hole 203 all the time at the in-process that carriage release lever 9 reciprocated, the device can make circular rubber sleeve be convenient for slide into dust release hole 203 when the installation, and can fix a position reciprocating of circular rubber sleeve 901.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A flue gas purification device for a coal-fired boiler, comprising a dust filter (1), characterized in that: the dust collecting device is characterized in that an installation ring (2) is movably sleeved on the inner circular surface of the dust filtering cylinder (1), four connecting strips (201) are fixedly connected to the inner circular surface of the installation ring (2), dust filtering nets (3) are fixedly connected among the four connecting strips (201), the installation ring (2) is fixedly connected with a dust collecting block (202) through the connecting strips (201), dust discharging holes (203) are formed in the upper surface of the dust collecting block (202), an external thread ring (204) is fixedly connected to the lower surface of the dust collecting block (202), and a rubber pad (205) is fixedly connected to the lower surface of the dust collecting block (202);
the outer circle surface of the dust filtering cylinder (1) is provided with an inclined hole (101), the dust filtering cylinder (1) is fixedly connected with a dust guide pipe (4) through the inclined hole (101), the upper surface of the dust guide pipe (4) is fixedly connected with an internal thread ring (401) which is in contact with an external thread ring (204), the lower surface of the dust guide pipe (4) is fixedly connected with a connecting ring (402), the inner circle surface of the connecting ring (402) is provided with a dust leakage groove (403), the outer circle surface of the connecting ring (402) is fixedly connected with a dust exhaust pipe (404), and the lower surface of the connecting ring (402) is fixedly connected with a mounting disc (5) through screws;
two connecting rods (501) are fixedly connected to one side of the mounting disc (5), the mounting disc (5) is fixedly connected with a connecting plate (502) through the connecting rods (501), a connecting disc (503) is fixedly connected to the center of the connecting plate (502), a threaded hole (504) is formed in one side of the connecting disc (503), the mounting disc (5) is in threaded connection with a rotating disc (6) through the threaded hole (504), a rectangular hole (505) is formed in one side of the mounting disc (5), and the mounting disc (5) is slidably connected with a rectangular rod (7) through the rectangular hole (505);
one side of the rotating disc (6) is fixedly connected with a threaded rod (601) which is in contact with the threaded hole (504), a first rotating hole (602) is formed in one side of the threaded rod (601) far away from the rotating disc (6), a second rotating hole (603) is formed in the first rotating hole (602), a rectangular rubber sleeve (701) which is in contact with the rectangular hole (505) is fixedly connected to the outer surface of the rectangular rod (7), one end of the rectangular rod (7) is fixedly connected with a rotating rod (702) which is contacted with the first rotating hole (602), one end of the rotating rod (702) far away from the rectangular rod (7) is fixedly connected with a rotating sheet (703) which is in contact with the second rotating hole (603), the rectangular rod (7) is rotatably connected with the rotating disc (6) through a rotating rod (702), a rotating sheet (703), a first rotating hole (602) and a second rotating hole (603);
a first through groove (704) is formed in the other end of the rectangular rod (7), a first rotating shaft (705) is fixedly connected in the first through groove (704), the rectangular rod (7) is rotatably connected with a transmission connecting rod (8) through the first rotating shaft (705), two shaft holes (801) are formed in the front face of the transmission connecting rod (8), the transmission connecting rod (8) is rotatably connected with the rectangular rod (7) through one shaft hole (801), and the transmission connecting rod (8) is rotatably connected with a movable rod (9) through the other shaft hole (801);
the outer circle surface of the moving rod (9) is fixedly connected with a circular rubber sleeve (901) which is in contact with the dust exhaust hole (203), the bottom of the moving rod (9) is provided with a second through groove (902), and a second rotating shaft (903) which is in contact with the shaft hole (801) is fixedly connected in the second through groove (902).
2. The flue gas cleaning apparatus for a coal-fired boiler according to claim 1, characterized in that: the inclined hole (101) is communicated with the inner circular surface of the dust filtering cylinder (1), and the outer circular surface of the dust guide pipe (4) is fixedly connected to the inner circular surface of the inclined hole (101).
3. The flue gas cleaning apparatus for a coal-fired boiler according to claim 1, characterized in that: four connecting strip (201) are the annular about the centre of a circle of collar (2) and distribute, connecting strip (201) all inclines towards the centre of a circle of collar (2) along the direction from the top down, gather dirt block (202) fixed connection at the lower surface of four connecting strip (201), the upper surface of gathering dirt block (202) is sunken towards the centre of a circle, dust exhaust hole (203) run through to the lower surface of gathering dirt block (202), the internal diameter of external screw thread ring (204) is greater than the diameter in dust exhaust hole (203), the excircle surface of external screw thread ring (204) is provided with the external screw thread, the internal diameter of rubber pad (205) is greater than the maximum external diameter of external screw thread ring (204).
4. The flue gas cleaning apparatus for a coal-fired boiler according to claim 1, characterized in that: the inner circular surface of the internal thread ring (401) is communicated with the inner cavity of the dust guide pipe (4), an internal thread is formed on the inner circular surface of the internal thread ring (401), the external thread ring (204) is in threaded connection with the internal thread ring (401), and the dust discharge pipe (404) is communicated with the dust leakage groove (403).
5. The flue gas cleaning apparatus for a coal-fired boiler according to claim 1, characterized in that: connecting plate (502) set up the one end of keeping away from mounting disc (5) at two connecting rods (501), screw hole (504) run through to the opposite side of connection pad (503), the interior round surface of screw hole (504) is seted up there is the internal thread, the excircle surface of threaded rod (601) is provided with the external screw thread, threaded rod (601) threaded connection is in screw hole (504), rectangular hole (505) run through to the opposite side of mounting disc (5), rectangle rubber sleeve (701) sliding connection is in rectangular hole (505), dwang (702) are rotated and are connected in first rotation hole (602), rotor plate (703) are rotated and are connected in second rotation hole (603), the diameter that second rotated hole (603) is greater than the diameter of first rotation hole (602), the diameter that rotor plate (703) is greater than the diameter of dwang (702).
6. The flue gas cleaning apparatus for a coal-fired boiler according to claim 1, characterized in that: the upper surface and the lower surface of the first through groove (704) and the rectangular rod (7) are both arranged to be communicated, the second through groove (902) and the outer circle surface of the movable rod (9) are arranged to be communicated, one shaft hole (801) is rotationally connected to the first rotating shaft (705), the other shaft hole (801) is rotationally connected to the second rotating shaft (903), and the circular rubber sleeve (901) is slidably connected into the dust exhaust hole (203).
7. The flue gas cleaning apparatus for a coal-fired boiler according to claim 1, characterized in that: the lower surface of the connecting ring (402) is provided with a plurality of screw holes which are in contact with screws, the screw holes are distributed in an annular shape relative to the circle center of the connecting ring (402), one side of the mounting disc (5) is provided with a plurality of screw through holes which are in contact with the screws, and the screw through holes are distributed in an annular shape relative to the circle center of the mounting disc (5).
8. The flue gas cleaning apparatus for a coal-fired boiler according to claim 1, characterized in that: two first draw-in grooves (102) have been seted up to the upper surface of straining dirt section of thick bamboo (1), first draw-in groove (102) are about the centre of a circle symmetric distribution of straining dirt section of thick bamboo (1), first draw-in groove (102) all sets up to communicate with each other with the interior round surface of straining dirt section of thick bamboo (1), strain dirt section of thick bamboo (1) through first draw-in groove (102) sliding connection have kelly (11), jack (904) have been seted up to the upper surface of carriage release lever (9).
9. The flue gas cleaning apparatus for a coal-fired boiler according to claim 8, wherein: the lower surface fixedly connected with of kelly (11) inserted bar (1101) that contact with jack (904), two second draw-in grooves (206) that contact with kelly (11) are seted up to the upper surface of collar (2), second draw-in groove (206) are about the centre of a circle symmetric distribution of collar (2), second draw-in groove (206) all set up to communicate with each other with the interior round surface and the excircle surface of collar (2).
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| CN202010969962.3A CN112156583A (en) | 2020-09-15 | 2020-09-15 | Flue gas purification device for coal-fired boiler |
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| CN202010969962.3A CN112156583A (en) | 2020-09-15 | 2020-09-15 | Flue gas purification device for coal-fired boiler |
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| CN114308606A (en) * | 2021-11-18 | 2022-04-12 | 华能碳资产经营有限公司 | Power plant coal conveying pipeline particle filtering and recycling device |
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