CN115970413A - Dust treatment device for coal-fired boiler - Google Patents

Dust treatment device for coal-fired boiler Download PDF

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Publication number
CN115970413A
CN115970413A CN202211100594.4A CN202211100594A CN115970413A CN 115970413 A CN115970413 A CN 115970413A CN 202211100594 A CN202211100594 A CN 202211100594A CN 115970413 A CN115970413 A CN 115970413A
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CN
China
Prior art keywords
smoke
dust
rod
coal
outlet pipe
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Pending
Application number
CN202211100594.4A
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Chinese (zh)
Inventor
李�杰
张华东
宋宇谦
顾人维
李宏达
杨柏依
刘鹏
刘龙凯
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Tiangong Zhihua Beijing Technology Co ltd
Huaneng Laiwu Power Generation Co Ltd
Huaneng Shandong Power Generation Co Ltd
Original Assignee
Tiangong Zhihua Beijing Technology Co ltd
Huaneng Laiwu Power Generation Co Ltd
Huaneng Shandong Power Generation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Tiangong Zhihua Beijing Technology Co ltd, Huaneng Laiwu Power Generation Co Ltd, Huaneng Shandong Power Generation Co Ltd filed Critical Tiangong Zhihua Beijing Technology Co ltd
Priority to CN202211100594.4A priority Critical patent/CN115970413A/en
Publication of CN115970413A publication Critical patent/CN115970413A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a dust treatment device for a coal-fired boiler, which relates to the technical field of coal-fired boiler dust treatment and comprises a coal-fired boiler shell, a smoke guide pipe, a fan and a smoke outlet pipe, wherein a smoke guide plate is fixed inside the smoke outlet pipe, and the top end of the smoke guide plate is provided with a through hole for discharging smoke and a filtering mechanism. According to the invention, the filtering mechanism is arranged, the first moving block moves to drive the cleaning brush to rotate through mechanical transmission, the cleaning brush rotates and cleans the bottom end of the first filtering plate, the structure is favorable for filtering the smoke discharged from the smoke outlet pipe, harmful gases such as carbon monoxide and sulfur dioxide are prevented from being discharged into the air, meanwhile, the cleaning brush is used for cleaning the first filtering plate, the normal discharge operation of the smoke of the first filtering plate is ensured, the collection box is favorable for timely collecting the dust filtered in the smoke outlet pipe, and the situation that the excessive dust is generated in the smoke outlet pipe to reduce the filtering effect is avoided.

Description

Dust treatment device for coal-fired boiler
Technical Field
The invention relates to the technical field of coal furnace dust treatment, in particular to a dust treatment device for a coal-fired boiler.
Background
Coal-fired boilers refer to coal which is combusted by fuel, the heat of the coal is converted to generate steam or become hot water, but not all the heat is converted effectively, and a part of the heat is consumed without work, so that the efficiency problem exists, generally, the efficiency of larger boilers is higher by 60-80%, and the coal-fired boilers are mainly classified according to purposes and are divided into coal-fired water-boiling boilers (supplying boiled water), coal-fired hot water boilers (heating and bathing), coal-fired steam boilers (supplying steam), coal-fired heat transfer oil boilers (cooking and drying) and the like.
Present coal fired boiler is when using, contain a large amount of dusts in the flue gas of discharge coal stove, present coal stove goes out the tobacco pipe and passes through the filter screen when discharging fume and carry out the filtering operation of dust more, but the filter screen is after long-time the use, the surface can the adhesion filter the dust that gets off in a large number, piling up of dust can reduce the filter effect of filter screen, the speed that leads to discharging fume reduces, pile up inside a tobacco pipe through the dust that the filter screen filtered simultaneously, the operation of clearing up is carried out to the dust that filters through the manual work most at present, the device needs the stop work during manual work clearance, can't carry out automatic collection to the dust that filters at the device during operation, for this reason, a dust treatment device for coal fired boiler has been proposed.
Disclosure of Invention
The invention aims to: in order to solve the problems that the smoke discharging speed of a smoke discharging pipe is low and dust cannot be collected in time, the dust treatment device for the coal-fired boiler is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a dust treatment device for a coal-fired boiler comprises a coal furnace shell, wherein one end of the coal furnace shell is provided with a smoke guide pipe for guiding smoke, one end of the smoke guide pipe is provided with a fan for drawing smoke, one side of the fan is provided with a smoke outlet pipe for discharging smoke, the interior of the smoke outlet pipe is fixedly provided with a smoke guide plate for guiding smoke through welding, the top end of the smoke guide plate is provided with an opening for discharging smoke, and a filtering mechanism comprises a first filtering plate arranged at the top end of the smoke outlet pipe and used for filtering dust for the second time;
the collecting mechanism comprises collecting boxes which are arranged at two ends of the smoke outlet pipe and used for collecting dust, a dust inlet is formed in one end of each collecting box, and a second moving block used for plugging the dust inlet is arranged at one end of each collecting box.
As a still further scheme of the invention: the filter mechanism is characterized by further comprising a first spring arranged on the top end of the rotating rod, the outer wall of the rotating disk is connected with cleaning brushes symmetrically distributed, and the top ends of the cleaning brushes are attached to the bottom end of the first filter plate.
As a still further scheme of the invention: the outer wall of the movable rod is provided with a ball, and an annular groove matched with the convex block on the outer wall of the movable rod is formed in the inner wall of the rotating rod.
As a still further scheme of the invention: the bottom of first filter is provided with the sealing member with the junction of cigarette pipe, the active carbon board, the junction of second filter and cigarette pipe inner wall are provided with the sealing member.
As a still further scheme of the invention: the rotating rod is rotatably connected with the activated carbon plate through a bearing, and a sealing element is arranged at the joint of the rotating rod and the activated carbon plate.
As a still further scheme of the invention: the collecting mechanism further comprises a connecting block fixedly arranged on the top end of the first moving block through welding, one end of the connecting block is rotatably connected with a first connecting rod, one end of the first connecting rod is rotatably connected with a first U-shaped rod extending to the outside of the smoke pipe, one end of the first U-shaped rod penetrates through the inside of the collecting box, one end of the first U-shaped rod is provided with a piston attached to the inner wall of the collecting box, a fixed block is arranged on the top end of the first U-shaped rod through welding, a sliding block is sleeved on the top end of the fixed block, a second connecting rod is arranged inside the collecting box and located between the sliding block and the piston, one end of the second connecting rod is rotatably connected with a first rack, a straight gear is meshed with the bottom end of the first rack, a second rack is meshed with the bottom end of the straight gear, a second U-shaped rod fixedly connected with one end of the second moving block is arranged at the bottom end of the second rack, and a second spring is arranged at the bottom end of the sliding block.
As a still further scheme of the invention: and a sealing piece is arranged at the contact position of the smoke outlet pipe and the first U-shaped rod.
As a still further scheme of the invention: the two fixing blocks are arranged, one fixing block is located inside the collecting box, the other fixing block is located outside the collecting box, a through groove matched with the fixing block and the sliding block in moving track is formed in one end of the collecting box, the top end of the sliding block and the bottom end of the second connecting rod are arranged to be arc-surface-shaped, and a moving groove matched with the sliding block is formed in the fixing block.
As a still further scheme of the invention: the collecting box is internally provided with a rotating groove matched with the rotating track of the second connecting rod, the collecting box is internally provided with a limiting moving groove matched with the first rack, the second rack and the second U-shaped rod, and one side of the straight gear is rotationally connected with the inner wall of the collecting box through a rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
through setting up filtering mechanism, first removal piece removes and drives the cleaning brush rotation through mechanical transmission, the cleaning brush rotates and cleans the bottom of first filter, be favorable to carrying out filterable operation to the flue gas of a tobacco pipe exhaust through this structure, avoid in harmful gas such as carbon monoxide and sulfur dioxide exhaust the air, the operation of cleaning the brush of first filter through the cleaning brush simultaneously, be favorable to guaranteeing the normal discharge operation of first filter flue gas, be provided with through the collecting box and do benefit to the operation of in time collecting to filterable dust in a tobacco pipe, avoid appearing the condition that the dust is too much and reduce the filter effect in a tobacco pipe.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the smoke outlet tube, the fixing post and the smoke guide plate of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the internal structure of the smoke outlet tube, the fixing post and the smoke guide plate in another view angle;
FIG. 5 is a schematic view of the internal structure of the collection box of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5B according to the present invention;
FIG. 7 is a schematic view of the internal structure of the fixing block according to the present invention;
FIG. 8 is a schematic view of the internal structure of the rotating rod of the present invention;
fig. 9 is a partial structural schematic view of the collecting mechanism of the present invention.
In the figure: 1. a coal stove housing; 2. a smoke guide pipe; 3. a fan; 4. a filtering mechanism; 401. a first filter plate; 402. a rotating rod; 403. a travel bar; 404. fixing the column; 405. rotating the rod; 406. a first spring; 407. a second filter plate; 408. an activated carbon plate; 409. a turntable; 410. cleaning brushes; 411. a first moving block; 5. a collection mechanism; 501. connecting blocks; 502. a first connecting rod; 503. a first U-shaped bar; 504. a collection box; 505. a piston; 506. a fixed block; 507. a slider; 508. a second connecting rod; 509. a first rack; 510. a spur gear; 511. a second rack; 512. a second U-shaped bar; 513. a second moving block; 514. a second spring; 6. discharging the smoke tube; 7. a smoke guide plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art of coal furnace dust treatment without creative efforts based on the embodiments of the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention is to be understood as a specific case, for a person skilled in the art of coal furnace dust treatment. The following describes an embodiment of the present invention based on its overall structure.
Referring to fig. 1 to 8, in an embodiment of the present invention, a dust processing apparatus for a coal-fired boiler includes a coal furnace housing 1, a smoke guide tube 2 for guiding smoke is disposed at one end of the coal furnace housing 1, a fan 3 for drawing smoke is disposed at one end of the smoke guide tube 2, a smoke outlet tube 6 for discharging smoke is disposed at one side of the fan 3, a smoke guide plate 7 for guiding smoke is fixed inside the smoke outlet tube 6 by welding, a through hole for discharging smoke is disposed at a top end of the smoke guide plate 7, a filter mechanism 4 includes a first filter plate 401 disposed at a top end of the smoke outlet tube 6 for performing secondary dust filtration, a rotary table 409 is rotatably connected to a bottom end of the first filter plate 401 through a bearing, a rotary rod 402 is fixed to the bottom end of the rotary table 409 by welding, an activated carbon plate 408 for absorbing carbon monoxide and sulfur dioxide is disposed on an outer wall of the rotary rod 402, a movable rod 403 is sleeved to a bottom end of the rotary rod 402, a fixed column 404 is sleeved on an outer wall of the movable rod 403, a fixed column 407 is fixedly connected to an outer wall of the fixed column 404, a bottom end of the movable block 411 is welded to a first filter plate 411 for performing primary dust filtration through welding, and a through hole 405 is welded to plug a first filter plate for plugging a first filter plate 405;
the collecting mechanism 5, the collecting mechanism 5 includes a collecting box 504 disposed at two ends of the smoke outlet pipe 6 for collecting dust, one end of the collecting box 504 is provided with a dust inlet, and one end of the collecting box 504 is provided with a second moving block 513 for plugging the dust inlet.
In this embodiment: fan 3 is arranged in the leading-in inside of play tobacco pipe 6 of flue gas, be favorable to carrying out filterable operation to a tobacco pipe 6 exhaust flue gas through setting up filtering mechanism 4, avoid during harmful gas such as carbon monoxide and sulfur dioxide discharges into the air, brush the operation through cleaning brush 410 to the scrubbing of first filter 401 simultaneously, be favorable to guaranteeing the normal discharge operation of first filter 401 flue gas, be favorable to carrying out the operation of in time collecting to filterable dust in a tobacco pipe 6 through setting up collection mechanism 5, avoid appearing the condition that the dust is too much and reduce the filter effect in a tobacco pipe 6.
Please refer to fig. 2, 3, 4, and 8, the filter mechanism 4 further includes a first spring 406 disposed at the top end of the rotating rod 405, the outer wall of the rotating disk 409 is connected with cleaning brushes 410 symmetrically distributed, and the top ends of the cleaning brushes 410 are attached to the bottom ends of the first filter plates 401; balls are arranged on the outer wall of the moving rod 403, and an annular groove matched with the convex block on the outer wall of the moving rod 403 is formed on the inner wall of the rotating rod 402; a sealing element is arranged at the joint of the bottom end of the first filter plate 401 and the smoke outlet pipe 6, and a sealing element is arranged at the joint of the activated carbon plate 408, the second filter plate 407 and the inner wall of the smoke outlet pipe 6; the rotating rod 402 is rotatably connected with the activated carbon plate 408 through a bearing, and a sealing member is arranged at the joint of the rotating rod 402 and the activated carbon plate 408.
In this embodiment: after one working cycle of the coal stove shell 1 is finished, the smoke is discharged from the smoke guide pipe 2, meanwhile, the fan 3 works and pumps the smoke in the smoke guide pipe 2 to the inside of the smoke outlet pipe 6, the smoke moves upwards, and due to the fact that the pressure of the smoke in the smoke outlet pipe 6 is large, therefore, the smoke will push the first moving block 411 to move upwards, the first moving block 411 moves to drive the rotating rod 405 to move, the rotating rod 405 moves to drive the moving rod 403 to move, meanwhile, the first spring 406 is pressed by force, the moving rod 403 moves to drive the projection on the outer wall of the moving rod 403 to move, the projection on the outer wall of the moving rod 403 moves in the annular groove on the inner wall of the rotating rod 402, thereby driving the rotating rod 402 to rotate, the rotating rod 402 rotates to drive the rotating disc 409 to rotate, the rotating disc 409 rotates to drive the cleaning brush 410 to rotate, the cleaning brush 410 rotates and cleans the bottom end of the first filter plate 401, the first moving block 411 moves upwards and opens the through hole at the top end of the smoke guide plate 7, at the moment, the smoke passes through the smoke guide plate 7, the first dust filtering operation is performed by the second filter plate 407, the carbon monoxide and sulfur dioxide filtering absorption operation is performed on the first dust filtering flue gas by the activated carbon plate 408, then the flue gas passing through the activated carbon plate 408 is secondarily filtered by the first filter plate 401, and then the flue gas is discharged out of the interior of the flue pipe 6 by the first filter plate 401, after the discharge of the smoke in the smoke outlet pipe 6 is finished, the first moving block 411 is reset and moved under the reset action of the first spring 406, the first moving block 411 is reset and closes the through hole at the top end of the smoke guide plate 7, the structure is beneficial to the operation of filtering the smoke discharged by the smoke outlet pipe 6, avoids the harmful gases such as carbon monoxide, sulfur dioxide and the like from being discharged into the air, meanwhile, the cleaning brush 410 is used for cleaning the first filter plate 401, so that the normal exhaust operation of the smoke of the first filter plate 401 can be guaranteed.
Please refer to fig. 2, 4, 5, 6, and 7, the collecting mechanism 5 further includes a connecting block 501 fixed to a top end of the first moving block 411 by welding, one end of the connecting block 501 is rotatably connected with a first connecting rod 502, one end of the first connecting rod 502 is rotatably connected with a first U-shaped rod 503 extending to an outside of the smoke outlet pipe 6, one end of the first U-shaped rod 503 penetrates into the collecting box 504, one end of the first U-shaped rod 503 is provided with a piston 505 attached to an inner wall of the collecting box 504, a fixing block 506 is fixed to a top end of the first U-shaped rod 503 by welding, a sliding block 507 is sleeved on a top end of the fixing block 506, a second connecting rod sliding block 508 is arranged inside the collecting box 504, the second connecting rod 508 is located between the sliding block 507 and the piston 505, one end of the second connecting rod 508 is rotatably connected with a first rack 509, a bottom end of the first rack is engaged with a spur gear 510, a bottom end of the spur gear 510 is engaged with a second rack 511, a bottom end of the second rack 511 is provided with a second U-shaped rod 512 fixedly connected to an end of the second moving block 513, and a sliding block 507 is provided with a second spring; a sealing element is arranged at the contact position of the smoke outlet pipe 6 and the first U-shaped rod 503; two fixing blocks 506 are arranged, one fixing block 506 is positioned inside the collection box 504, the other fixing block 506 is positioned outside the collection box 504, a through groove matched with the moving tracks of the fixing blocks 506 and the sliding blocks 507 is formed in one end of the collection box 504, the top ends of the sliding blocks 507 and the bottom end of the second connecting rod 508 are arranged in an arc surface shape, and a moving groove matched with the sliding blocks 507 is formed in the fixing block 506; the inside of the collecting box 504 is provided with a rotating groove matched with the rotating track of the second connecting rod 508, the inside of the collecting box 504 is provided with a limiting moving groove matched with the first rack 509, the second rack 511 and the second U-shaped rod 512, and one side of the straight gear 510 is rotationally connected with the inner wall of the collecting box 504 through a rotating shaft.
In this embodiment: when the flue gas is discharged, the first moving block 411 moves upwards to drive the connecting block 501 to move upwards, the connecting block 501 moves to drive the first connecting rod 502 to move horizontally, the first connecting rod 502 moves to drive the first U-shaped rod 503 to move horizontally, the first U-shaped rod 503 moves to drive the fixing block 506 to move, the fixing block 506 moves to drive the sliding block 507 to move, the sliding block 507 moves to extrude the second connecting rod 508 to rotate, the second connecting rod 508 rotates to drive the first rack 509 to move horizontally, the first rack 509 moves to drive the spur gear 510 to rotate anticlockwise, the spur gear 510 rotates to drive the second rack 511 to move, the second rack 511 moves to drive the second U-shaped rod 512 to move, the second U-shaped rod 512 moves to drive the second moving block 513 to move, the second moving block 513 moves and blocks a dust inlet at one end of the collecting box 504, when the second connecting rod 508 rotates anticlockwise to an inclined state, the sliding block 507 moves towards the inside of the fixed block 506 under the extrusion of the second connecting rod 508, the second spring 514 is extruded by force, when the sliding block 507 is separated from the second connecting rod 508, the second spring 514 resets and drives the sliding block 507 to reset, because two fixed blocks 506 are arranged, the first U-shaped rod 503 moves and drives the piston 505 to move simultaneously, when the piston 505 moves to one end inside the collecting box 504, the other fixed block 506 moves to one end of the second connecting rod 508 which is inclined, when the first moving block 411 moves in a resetting way, the connecting block 501 moves in a resetting way and drives the first U-shaped rod 503 to move in a resetting way through mechanical transmission, the first U-shaped rod 503 moves in a resetting way and drives the other fixed block 506 to move in a resetting way, the sliding block 506 moves and drives the sliding block 507 to move and extrudes the second connecting rod 508 to rotate in a resetting way, the second connecting rod 508 drives the second moving block 513 to move in a resetting way through mechanical transmission, the second moving block 513 moves to open a dust inlet at one end of the collection box 504, meanwhile, the first U-shaped rod 503 moves to drive the piston 505 to move in a reset mode, the piston 505 moves in a reset mode and absorbs dust filtered inside the smoke outlet pipe 6, when the piston 505 resets, the fixing block 506 close to the piston 505 moves to one end of the second connecting rod 508 in an inclined mode, due to the structure, operation of timely collecting the dust filtered in the smoke outlet pipe 6 is facilitated, the situation that the filtering effect is reduced due to excessive dust in the smoke outlet pipe 6 is avoided, what needs to be supplemented is that a one-way valve is arranged at the top end of the collection box 504 and communicated with outside air through a gas guide hole, the gas guide hole penetrates through the inner wall of the smoke outlet pipe 6 to be communicated with the outside air, a discharge plate in sealed connection is arranged at the bottom end of the collection box 504, and a discharge port for the dust to be discharged after the discharge plate is opened is arranged on the inner wall of the smoke outlet pipe 6.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art of coal furnace dust treatment technology will be able to cover the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (9)

1. A dust treatment device for a coal-fired boiler comprises a coal furnace shell (1), one end of the coal furnace shell (1) is provided with a smoke guide pipe (2) for guiding smoke, one end of the smoke guide pipe (2) is provided with a fan (3) for drawing smoke, one side of the fan (3) is provided with a smoke outlet pipe (6) for discharging smoke, the inside of the smoke outlet pipe (6) is fixedly provided with a smoke guide plate (7) for guiding smoke through welding, the top end of the smoke guide plate (7) is provided with a through hole for discharging smoke, the dust treatment device is characterized in that a filtering mechanism (4) comprises a first filtering plate (401) arranged at the top end of the smoke outlet pipe (6) for secondary dust filtration, the bottom end of the first filtering plate (401) is rotatably connected with a rotary table (403) through a bearing, the bottom end of the rotary table (409) is fixedly welded with a rotary rod (402) through a rotary rod, the outer wall of the rotary rod (402) is provided with an active carbon plate (408) for absorbing carbon monoxide and sulfur dioxide, the bottom end of the rotary rod (403) is rotatably connected with a movable rod (403) through a fixed column (407) for primary dust filtration, and a fixed column (407) for primary dust filtration through a fixed column (407) for primary filtration through a fixed column (404) and a fixed column (407) for secondary filtration, a first moving block (411) for plugging a through hole at the top end of the smoke guide plate (7) is fixed at the bottom end of the rotating rod (405) through welding;
the dust collection device comprises a collection mechanism (5), wherein the collection mechanism (5) comprises collection boxes (504) which are arranged at two ends of a smoke outlet pipe (6) and used for collecting dust, a dust inlet is formed in one end of each collection box (504), and a second moving block (513) used for plugging the dust inlet is arranged at one end of each collection box (504).
2. A dust handling arrangement for a coal fired boiler according to claim 1, characterized in that the filter means (4) further comprises a first spring (406) arranged at the top end of the turning rod (405), the outer wall of the turning disc (409) is connected with cleaning brushes (410) distributed symmetrically, and the top ends of the cleaning brushes (410) are attached to the bottom ends of the first filter plates (401).
3. A dust handling device for a coal fired boiler according to claim 1, characterized in that the outer wall of the moving rod (403) is provided with balls and the inner wall of the rotating rod (402) is formed with an annular groove matching with the projection of the outer wall of the moving rod (403).
4. A dust handling arrangement for a coal-fired boiler according to claim 1, characterized in that the joints of the bottom ends of the first filter plates (401) and the flue gas outlet pipe (6) are provided with seals, and the joints of the activated carbon plate (408), the second filter plates (407) and the inner wall of the flue gas outlet pipe (6) are provided with seals.
5. A dust handling unit for a coal fired boiler according to claim 1, characterized in that the turning rod (402) is rotatably connected to the activated carbon plate (408) by a bearing and a seal is provided at the connection of the turning rod (402) and the activated carbon plate (408).
6. The dust processing apparatus for a coal-fired boiler according to claim 1, wherein the collecting mechanism (5) further comprises a connecting block (501) fixed to the top end of a first moving block (411) by welding, one end of the connecting block (501) is rotatably connected with a first connecting rod (502), one end of the first connecting rod (502) is rotatably connected with a first U-shaped rod (503) extending to the outside of the smoke outlet pipe (6), one end of the first U-shaped rod (503) is penetrated to the inside of the collecting box (504), one end of the first U-shaped rod (503) is provided with a piston (505) attached to the inner wall of the collecting box (504), the top end of the first U-shaped rod (503) is fixed with a fixing block (506) by welding, the top end of the fixing block (506) is sleeved with a sliding block (507), the inside of the collecting box (504) is provided with a second connecting rod (508), the second connecting rod (508) is positioned between the piston (505) and the first connecting rod (507), one end of the second connecting rod (508) is rotatably connected with a first rack (509), the bottom end of the first rack (509) is engaged with a straight gear (510), the bottom end of the second rack (511) is engaged with a second rack (511) fixed with a second rack (512), and a second spring (514) is arranged at the bottom end of the sliding block (507).
7. A dust handling arrangement for a coal-fired boiler according to claim 6, characterized in that the contact position of the smoke outlet pipe (6) and the first U-shaped bar (503) is provided with a sealing member.
8. The dust treatment device for the coal-fired boiler according to claim 6, wherein two fixing blocks (506) are arranged, one fixing block (506) is positioned inside the collection box (504), the other fixing block (506) is positioned outside the collection box (504), a through groove matched with the moving tracks of the fixing blocks (506) and the sliding blocks (507) is formed in one end of the collection box (504), the top ends of the sliding blocks (507) and the bottom ends of the second connecting rods (508) are arranged in a cambered surface shape, and a moving groove matched with the sliding blocks (507) is formed in the fixing block (506).
9. The dust treatment device for the coal-fired boiler according to claim 6, wherein the inside of the collection box (504) is provided with a rotation groove matched with the rotation track of the second connecting rod (508), the inside of the collection box (504) is provided with a limit moving groove matched with the first rack (509), the second rack (511) and the second U-shaped rod (512), and one side of the spur gear (510) is rotatably connected with the inner wall of the collection box (504) through a rotating shaft.
CN202211100594.4A 2022-09-08 2022-09-08 Dust treatment device for coal-fired boiler Pending CN115970413A (en)

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Application Number Priority Date Filing Date Title
CN202211100594.4A CN115970413A (en) 2022-09-08 2022-09-08 Dust treatment device for coal-fired boiler

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Application Number Priority Date Filing Date Title
CN202211100594.4A CN115970413A (en) 2022-09-08 2022-09-08 Dust treatment device for coal-fired boiler

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CN115970413A true CN115970413A (en) 2023-04-18

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CN116474483A (en) * 2023-05-05 2023-07-25 江苏韬略环保科技有限公司 Flue gas treatment system and process for waste activated carbon regeneration treatment process
CN116832541A (en) * 2023-07-07 2023-10-03 恒盛能源股份有限公司 Multistage flow vortex core dust removal system for flue layer
CN117861415A (en) * 2024-02-01 2024-04-12 江苏东图自动化设备有限公司 Improve circulating fluidized bed boiler SNCR denitration efficiency device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116474483A (en) * 2023-05-05 2023-07-25 江苏韬略环保科技有限公司 Flue gas treatment system and process for waste activated carbon regeneration treatment process
CN116474483B (en) * 2023-05-05 2023-11-03 江苏韬略环保科技有限公司 Flue gas treatment system and process for waste activated carbon regeneration treatment process
CN116832541A (en) * 2023-07-07 2023-10-03 恒盛能源股份有限公司 Multistage flow vortex core dust removal system for flue layer
CN116832541B (en) * 2023-07-07 2024-02-23 恒盛能源股份有限公司 Multistage flow vortex core dust removal system for flue layer
CN117861415A (en) * 2024-02-01 2024-04-12 江苏东图自动化设备有限公司 Improve circulating fluidized bed boiler SNCR denitration efficiency device

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