Bag-type dust collector for industrial flue gas

Abstract

The invention provides a bag-type dust collector for industrial flue gas, and belongs to the technical field of bag-type dust collectors, the bag-type dust collector for industrial flue gas comprises a box body, a first driving assembly, a bag-type dust collection assembly, a back flushing assembly, a second driving assembly and a semicircular sealing plate, an air inlet pipe is arranged at the position, below the transverse partition plate, of the side wall of the box body, the two sets of vertical partition plates are installed on the upper portion of the transverse partition plate and distributed at intervals, and a dust removal cavity is formed by the sides, away from each other, of the two sets of vertical partition plates. Compared with the prior art, by arranging the two sets of bag dust removal assemblies, continuous dust removal of industrial flue gas can be achieved, meanwhile, the second driving assembly is matched to drive the two sets of reverse blowing assemblies to move, and then the two sets of bag dust removal assemblies are alternately subjected to reverse blowing dust removal; the device has the advantages of high industrial flue gas dust removal efficiency and good dust removal effect.

Description

Technical Field

[0001] The invention belongs to the technical field of bag dust collectors, in particular to a bag dust collector for industrial flue gas. Background Art

[0002] At present, dust removal for industrial flue gas is mostly achieved with the help of bag dust collector. When the bag dust collector is working, the industrial flue gas is passed into the bag dust collector, and the dust mixed in the industrial flue gas is intercepted and filtered through the bag dust collection structure. The purified flue gas is then discharged from the exhaust pipe of the bag dust collector.

[0003] Most of the existing bag dust collectors are equipped with a backflush cleaning mechanism. After the bag dust collection structure has worked for a certain period of time, the backflush cleaning mechanism is used to backflush the bag dust collection structure so that the dust is separated from the bag dust collection structure to ensure the subsequent dust removal effect of the industrial flue gas. When the backflush cleaning mechanism is working, it is necessary to stop the continued introduction of industrial flue gas to ensure the cleaning effect of the bag dust collection structure. However, this will inevitably affect the dust removal efficiency of the industrial flue gas. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the embodiments of the present invention is to provide a bag filter for industrial flue gas.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: A bag dust collector for industrial flue gas comprises a box body, a first drive assembly, a bag dust collection assembly, a backflush assembly, a second drive assembly and a semicircular sealing plate. A vertical partition and a transverse partition are fixedly arranged inside the box body, and an air inlet pipe is opened on the side wall of the box body below the transverse partition. The vertical partitions are provided with two groups, and the two groups of vertical partitions are installed on the upper part of the transverse partition and are spaced apart, and the two groups of vertical partitions are separated from each other to form a dust removal chamber, and the transverse partition is provided with two groups of first through holes, and the two groups of first through holes are respectively connected with the two groups of dust removal chambers. The bag dust removal assembly and the back-blowing assembly are each provided with two groups, the two groups of bag dust removal assemblies are respectively fixedly arranged inside the two groups of dust removal chambers, and the two groups of back-blowing assemblies are respectively arranged above the two groups of bag dust removal assemblies. The semicircular sealing plate is attached to the bottom of the transverse partition plate, and the first driving assembly is installed inside the box body to drive the semicircular sealing plate to rotate so as to alternately seal the two groups of the first through holes. The second driving assembly is disposed between the two groups of vertical partitions, and is used to drive the two groups of back-blowing assemblies to move up and down, so as to back-blow and clean the two groups of bag dust removal assemblies.

[0006] As a further improvement of the present invention: the first driving assembly includes a motor and a rotating shaft, The motor is fixedly mounted on the inner bottom wall of the box body, the rotating shaft is arranged at the output end of the motor, and the semicircular sealing plate is fixedly arranged outside the rotating shaft.

[0007] As a further improvement of the present invention: two groups of air outlet pipes are arranged on the top of the box body, and the two groups of air outlet pipes are respectively connected to the two groups of dust removal chambers. The two groups of backflush assemblies have the same structure, both including a piston plate and a plugging plate. The piston plate is provided with a second through hole, and the blocking plate is arranged above the piston plate. When the semicircular sealing plate seals a certain group of the first through holes, the second driving assembly is used to drive the blocking plate above the first through holes of the group to move downward.

[0008] As a further improvement of the present invention: the end of the rotating shaft away from the motor passes through the transverse partition and extends between the two groups of vertical partitions. The second driving assembly includes a rotating column, an arc-shaped limiting plate and a spiral push plate. The rotating column is located between the two groups of vertical partitions and is fixedly connected to the end of the rotating shaft away from the motor. The arc-shaped limit plate and the spiral push plate are fixedly arranged on the circumferential side wall of the rotating column. One end of the arc-shaped limit plate is connected to one end of the spiral push plate. The upper ends of the blocking plates corresponding to the two groups of the back-blowing assemblies are fixedly provided with U-shaped connecting rods, and the ends of the two groups of U-shaped connecting rods away from the corresponding blocking plates extend from the top of the box body to between the two groups of vertical partitions and are fixedly provided with extending cross bars. The blocking plates corresponding to the two groups of the back-blowing assemblies are also connected to the inner top wall of the box body through a third elastic member, and the third elastic member is used to provide elastic support for the blocking plates.

[0009] As a further improvement of the present invention: a guide rod is passed through the piston plate and movably matched, the guide rod is vertically distributed, and the upper end of the guide rod is fixedly connected to the inner top wall of the box body. The piston plate is connected to the inner top wall of the box body via a second elastic member, and the second elastic member is used to provide elastic pulling force to the piston plate.

[0010] As a further improvement of the present invention: the two groups of bag dust removal assemblies have the same structure, both comprising dust removal bags and bracket plates. The support plate is fixedly arranged on the inner wall of the dust removal chamber, and the dust removal bags are provided in a plurality of groups, and a plurality of the dust removal bags are installed at the bottom of the support plate.

[0011] As a further improvement of the present invention, two groups of ash discharge ports are provided on the side wall of the box body, and the two groups of ash discharge ports are respectively connected to the two groups of dust removal chambers. An ash guiding assembly is also provided inside the two groups of dust removal chambers below the bag dust removal assembly, and the ash guiding assembly is used to guide the dust blown back from the bag dust removal assembly to the ash discharge port.

[0012] As a further improvement of the present invention: the ash guide assembly includes an ash guide plate, a first elastic member and an extending vertical rod. The ash guide plate is hingedly arranged on the inner wall of the box body, one end of the first elastic member is connected to the transverse partition, and the other end is connected to the ash guide plate, which is used to provide elastic support for the ash guide plate, and a slot is provided on the transverse partition. The upper end of the extended vertical rod is connected to the ash guide plate, and the lower end extends from the slot to below the transverse partition. A V-shaped structure is formed between the extended vertical rod and the ash guide plate, and an arc-shaped surface is provided at the corner position of the semicircular sealing plate.

[0013] As a further improvement of the present invention: dust collection boxes communicating with the two groups of dust discharge ports are further arranged on opposite sides of the outer wall of the box body.

[0014] As a further improvement of the present invention: the first elastic member, the second elastic member and the third elastic member are springs or metal springs.

[0015] Compared with the prior art, the present invention has the following beneficial effects: In the embodiment of the present invention, initially, the semicircular sealing plate is attached to the right half area of ​​the bottom wall of the transverse partition to seal the first through hole on the right side. When dust removal is required for industrial smoke, the industrial smoke can be introduced into the interior of the box from the air inlet pipe, and the semicircular sealing plate is driven to rotate by the first driving component. After the industrial smoke enters the interior of the box, it acts on the position below the transverse partition, and then enters the interior of the dust removal chamber on the left through the first through hole on the left side. Then, the industrial smoke flows upward along the interior of the dust removal chamber on the left side, and then passes through the bag dust removal component on the left side, and uses the bag on the left side. The dust removal component filters the dust in the industrial flue gas. After the bag-type dust removal component on the left has been dust-removed for a certain period of time, the semicircular sealing plate rotates to the left half area of ​​the bottom wall of the transverse partition, and then seals the first through hole on the left, while the first through hole on the right that was previously sealed is opened. At this time, the subsequent industrial flue gas enters the inside of the dust removal chamber on the right through the first through hole on the right and flows upward along the inside of the dust removal chamber on the right, and then passes through the bag-type dust removal component on the right. The dust in the industrial flue gas is filtered out by the bag-type dust removal component on the right. After the bag-type dust removal component on the right has been dust-removed for a certain period of time, the semicircular sealing plate rotates to the left half area of ​​the bottom wall of the transverse partition, and then seals the first through hole on the left, while the first through hole on the right that was previously sealed is opened. At this time, the subsequent industrial flue gas enters the inside of the dust removal chamber on the right through the first through hole on the right and flows upward along the inside of the dust removal chamber on the right, and then passes through the bag-type dust removal component on the right. The dust in the industrial flue gas is filtered out by the bag-type dust removal component on the right. After the dust removal time, the semicircular sealing plate rotates again to the right half area of ​​the bottom wall of the transverse partition, so that the subsequent industrial smoke enters the left dust removal chamber through the first through hole on the left again, and the dust in the industrial smoke is filtered out again by the left bag dust removal assembly. This reciprocating cycle allows the two sets of bag dust removal assemblies to alternately remove dust from the industrial smoke. When the semicircular sealing plate seals the first through hole on the right, the second driving assembly drives the backflush assembly on the right to move downward, and then backflushs the bag dust removal assembly on the right, thereby realizing bag dust removal on the right. Automatic cleaning of the assembly. When the semicircular sealing plate seals the first through hole on the left, the second driving assembly drives the back-blowing assembly on the left to move downward, and then back-blown the bag-type dust collection assembly on the left, thereby realizing automatic cleaning of the bag-type dust collection assembly on the left. Compared with the prior art, through the arrangement of two groups of bag-type dust collection assemblies, uninterrupted and continuous dust removal of industrial flue gas can be achieved. At the same time, the second driving assembly drives the two groups of back-blowing assemblies to move, and then the two groups of bag-type dust collection assemblies are alternately back-blown and cleaned, which has the advantages of high industrial flue gas dust removal efficiency and good cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a bag filter for industrial flue gas Figure 1 ; Figure 2 A schematic diagram of the structure of a bag filter for industrial flue gas Figure 2 ; Figure 3 A schematic diagram of the structure of a bag filter for industrial flue gas Figure 3 ; Figure 4It is a schematic diagram of the structure of a second driving component in a bag filter for industrial flue gas; Figure 5 for Figure 1 A magnified schematic diagram of the middle A area; Figure 6 for Figure 1 A magnified schematic diagram of the middle B area; Figure 7 for Figure 2 Enlarged schematic diagram of the middle C area; In the figure: 10-box, 101-ash outlet, 102-vertical partition, 103-dust removal chamber, 104-horizontal partition, 105-first through hole, 106-air outlet pipe, 107-air inlet pipe, 20-first drive assembly, 201-motor, 202-rotating shaft, 30-ash guide assembly, 301-ash guide plate, 302-first elastic member, 303-extending vertical rod, 40-bag dust removal assembly, 401-removal Dust bag, 402- bracket plate, 50- backblowing assembly, 501- piston plate, 502- guide rod, 503- second elastic member, 504- U-shaped connecting rod, 505- second through hole, 506- blocking plate, 507- third elastic member, 508- extension cross bar, 60- second driving assembly, 601- rotating column, 602- arc-shaped limit plate, 603- spiral push plate, 70- semicircular sealing plate, 701- arc-shaped surface. DETAILED DESCRIPTION

[0017] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0019] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1 , Figure 2 as well as Figure 3 The present embodiment provides a bag filter for industrial flue gas, comprising a housing 10, a first drive assembly 20, a bag filter assembly 40, a backflush assembly 50, a second drive assembly 60 and a semicircular sealing plate 70. A vertical partition 102 and a transverse partition 104 are fixedly arranged inside the housing 10. An air inlet pipe 107 is provided on the side wall of the housing 10 below the transverse partition 104. Two groups of vertical partitions 102 are provided. The two groups of vertical partitions 102 are installed on the upper part of the transverse partition 104 and are spaced apart. A dust removal chamber 103 is formed on one side of the two groups of vertical partitions 102 away from each other. Two groups of first through holes 105 are provided on the transverse partition 104. The two groups of first through holes 105 are respectively connected to the two groups of The dust removal chamber 103 is connected, and the bag dust removal assembly 40 and the back-blowing assembly 50 are each provided with two groups. The two groups of bag dust removal assemblies 40 are respectively fixedly arranged inside the two groups of dust removal chambers 103, and the two groups of back-blowing assemblies 50 are respectively arranged above the two groups of bag dust removal assemblies 40. The semicircular sealing plate 70 is attached to the bottom of the transverse partition 104. The first driving assembly 20 is installed inside the box body 10, and is used to drive the semicircular sealing plate 70 to rotate so as to alternately seal the two groups of the first through holes 105. The second driving assembly 60 is arranged between the two groups of vertical partitions 102, and is used to drive the two groups of back-blowing assemblies 50 to move up and down so as to back-blow and clean the two groups of bag dust removal assemblies 40.

[0022] Initially, the semicircular sealing plate 70 is attached to the right half area of ​​the bottom wall of the transverse partition 104 (such as Figure 3As shown), the first through hole 105 on the right is sealed. When dust removal is required for industrial smoke, the industrial smoke can be introduced into the box body 10 from the air inlet pipe 107, and the semicircular sealing plate 70 is driven to rotate by the first driving assembly 20. After the industrial smoke enters the box body 10, it acts on the position below the transverse partition 104, and then enters the dust removal chamber 103 on the left through the first through hole 105 on the left. Then, the industrial smoke flows upward along the inside of the dust removal chamber 103 on the left, and then passes through the bag dust removal assembly 40 on the left. The bag dust removal assembly 40 on the left is used to filter the dust in the industrial smoke. After the bag dust removal assembly 40 on the left has been dust-removed for a certain period of time, the semicircular sealing plate 70 rotates to the left half area of ​​the bottom wall of the transverse partition 104, and then seals the first through hole 105 on the left, while the first through hole 105 on the right that was previously sealed is opened. At this time, the subsequent industrial smoke enters the inside of the dust removal chamber 103 on the right through the first through hole 105 on the right and flows upward along the inside of the dust removal chamber 103 on the right, and then passes through the bag dust removal assembly 4 on the right. 0, the right bag dust removal assembly 40 is used to filter the dust in the industrial smoke. After the right bag dust removal assembly 40 has been dust-removed for a certain period of time, the semicircular sealing plate 70 is rotated to the right half area of ​​the bottom wall of the transverse partition 104 again, so that the subsequent industrial smoke enters the left dust removal chamber 103 through the left first through hole 105 again, and the left bag dust removal assembly 40 is used to filter the dust in the industrial smoke again. This reciprocating cycle can make the two sets of bag dust removal assemblies 40 alternately perform dust removal operations on the industrial smoke. When the semicircular When the semicircular sealing plate 70 seals the first through hole 105 on the right, the second driving assembly 60 drives the back-blowing assembly 50 on the right to move downward, and then performs back-blowing treatment on the bag-type dust collector assembly 40 on the right, thereby realizing automatic cleaning of the bag-type dust collector assembly 40 on the right; when the semicircular sealing plate 70 seals the first through hole 105 on the left, the second driving assembly 60 drives the back-blowing assembly 50 on the left to move downward, and then performs back-blowing treatment on the bag-type dust collector assembly 40 on the left, thereby realizing automatic cleaning of the bag-type dust collector assembly 40 on the left.

[0023] See also Figure 1 as well as Figure 3 In one embodiment, the first driving component 20 includes a motor 201 and a rotating shaft 202. The motor 201 is fixedly mounted on the inner bottom wall of the box body 10. The rotating shaft 202 is arranged at the output end of the motor 201. The semicircular sealing plate 70 is fixedly arranged outside the rotating shaft 202.

[0024] The motor 201 drives the rotating shaft 202 to rotate, thereby driving the semicircular sealing plate 70 to rotate in contact with the bottom wall of the transverse partition 104, so that the semicircular sealing plate 70 rotates alternately in the left and right half areas of the bottom wall of the transverse partition 104, and then the two groups of first through holes 105 are alternately sealed, so that the industrial flue gas flows alternately from the inside of the two groups of dust removal chambers 103, and the two groups of bag dust removal assemblies 40 are used to alternately remove the industrial flue gas.

[0025] See also Figure 1 , Figure 2 as well as Figure 5 In one embodiment, two groups of air outlet pipes 106 are provided on the top of the box body 10, and the two groups of air outlet pipes 106 are respectively connected to the two groups of dust removal chambers 103. The two groups of back-blowing assemblies 50 have the same structure and both include a piston plate 501 and a blocking plate 506. A second through hole 505 is opened on the piston plate 501, and the blocking plate 506 is arranged above the piston plate 501. When the semicircular sealing plate 70 seals a certain group of the first through holes 105, the second driving assembly 60 is used to drive the blocking plate 506 above the first through holes 105 of the group to move downward.

[0026] When the semicircular sealing plate 70 is located in the right half area of ​​the bottom wall of the transverse partition 104 to seal the first through hole 105 on the right side, the blocking plate 506 corresponding to the left back-blowing assembly 50 is located above the piston plate 501 corresponding to the left back-blowing assembly 50. At this time, the industrial flue gas passes through the left bag dust removal assembly 40 upward along the inside of the left dust removal chamber 103, and then passes through the second through hole 505 on the left piston plate 501, and then flows out from the left outlet pipe 106 to realize the discharge of the purified flue gas. At the same time, the second driving The assembly 60 drives the blocking plate 506 corresponding to the right back-blowing assembly 50 to move downward, and the blocking plate 506 acts on the upper part of the piston plate 501 corresponding to the right back-blowing assembly 50, thereby blocking the second through hole 505 on the piston plate 501, and then the blocking plate 506 drives the piston plate 501 to move downward together. At this time, the piston plate 501 presses the air below it, so that the air passes through the right bag dust removal assembly 40 from top to bottom, and then back-blowing the right bag dust removal assembly 40, so as to realize automatic dust cleaning of the right bag dust removal assembly 40; When the semicircular sealing plate 70 is located in the left half area of ​​the bottom wall of the transverse partition 104 to seal the first through hole 105 on the left, the blocking plate 506 corresponding to the right backflush assembly 50 is located above the piston plate 501 corresponding to the right backflush assembly 50. At this time, the industrial flue gas passes through the right bag dust removal assembly 40 upward along the inside of the right dust removal chamber 103, and then passes through the second through hole 505 on the right piston plate 501, and then flows out from the right outlet pipe 106 to realize the discharge of the purified flue gas. At the same time, the second drive Component 60 drives the blocking plate 506 corresponding to the left back-blowing component 50 to move downward, and the blocking plate 506 acts on the upper part of the piston plate 501 corresponding to the left back-blowing component 50, thereby blocking the second through hole 505 on the piston plate 501, and then the blocking plate 506 drives the piston plate 501 to move downward. At this time, the piston plate 501 presses the air below it, so that the air passes through the left bag dust removal component 40 from top to bottom, and then back-blowing the left bag dust removal component 40, realizes automatic cleaning of the left bag dust removal component 40.

[0027] See also Figure 2 , Figure 3 as well as Figure 4In one embodiment, the end of the rotating shaft 202 away from the motor 201 passes through the horizontal partition 104 and extends between the two groups of vertical partitions 102. The second driving assembly 60 includes a rotating column 601, an arc-shaped limit plate 602 and a spiral push plate 603. The rotating column 601 is located between the two groups of vertical partitions 102 and is fixedly connected to the end of the rotating shaft 202 away from the motor 201. The arc-shaped limit plate 602 and the spiral push plate 603 are fixedly arranged on the circumferential side wall of the rotating column 601. The arc-shaped limit plate 60 2 one end is connected with one end of the spiral push plate 603, the upper ends of the blocking plates 506 corresponding to the two groups of the back-blowing assemblies 50 are fixedly provided with U-shaped connecting rods 504, the ends of the two groups of the U-shaped connecting rods 504 away from the corresponding blocking plates 506 extend from the top of the box body 10 to between the two groups of the vertical partitions 102 and are fixedly provided with an extending cross bar 508, and the blocking plates 506 corresponding to the two groups of the back-blowing assemblies 50 are also connected to the inner top wall of the box body 10 through a third elastic member 507, and the third elastic member 507 is used to provide elastic support for the blocking plates 506.

[0028] When the motor 201 drives the rotating shaft 202 to rotate and then drives the semicircular sealing plate 70 to rotate, the rotating shaft 202 can also drive the rotating column 601 to rotate, and the rotating column 601 drives the arc-shaped limit plate 602 and the spiral push plate 603 to rotate synchronously. When the semicircular sealing plate 70 is located in the right half area of ​​the bottom wall of the transverse partition 104 to seal the first through hole 105 on the right side, the extended cross bar 508 on the left side acts on the upper part of the arc-shaped limit plate 602 and slides compared to the arc-shaped limit plate 602. The arc-shaped limit plate 602 is limited by the left U-shaped connecting rod 504, so that the left blocking plate 506 is located above the left piston plate 501 and does not contact the left piston plate 501, so that the industrial smoke passes through the left side from bottom to top. After the dust bag assembly 40, it can pass through the second through hole 505 on the left piston plate 501 and then be discharged from the left outlet pipe 106. At this time, the third elastic member 507 on the upper part of the left blocking plate 506 is in a compressed state. When the semicircular sealing plate 70 rotates from the right half area of ​​the bottom wall of the transverse partition 104 to the left half area, the extended cross bar 508 on the left slides away from the end of the arc-shaped limiting plate 602 away from the spiral push plate 603. At this time, the third elastic member 507 on the left pushes the blocking plate 506 on the left to move downward. The left blocking plate 506 acts on the upper part of the left piston plate 501 and drives the left piston plate 501 to move downward synchronously. At this time, the left blocking plate 506 blocks the second through hole 505 on the left piston plate 501. , the left piston plate 501 presses the air below it so that the air passes through the left bag dust removal assembly 40 from top to bottom, thereby realizing back-blowing and cleaning of the left bag dust removal assembly 40. In the process of the semicircular sealing plate 70 rotating from the right half area of ​​the bottom wall of the transverse partition 104 to the left half area, the spiral push plate 603 acts on the right extension cross bar 508 to drive the right U-shaped connecting rod 504 to move upward. When the right U-shaped connecting rod 504 moves upward, it drives the right blocking plate 506 to move upward. When the right extension cross bar 508 slides from one side of the spiral push plate 603 to the upper part of the arc-shaped limiting plate 602, the right blocking plate 506 is separated from the right piston plate 501, and the semicircular sealing plate 70 rotates to the left half area of ​​the bottom wall of the transverse partition 104. Subsequently, the industrial flue gas enters the right dust removal chamber 103 through the first through hole 105 on the right, and the right bag dust removal assembly 40 is used to remove the industrial flue gas. When the right extending cross bar 508 slides away from the end of the arc-shaped limit plate 602 away from the spiral push plate 603, the right third elastic member 507 pushes the right blocking plate 506 to move downward, and the right blocking plate 506 acts on the upper part of the right piston plate 501 and drives the right piston plate 501 to move downward synchronously. At this time, the right blocking plate 506 blocks the second through hole 505 on the right piston plate 501, and the right piston plate 501 presses the air below it so that the air passes through the right bag dust removal assembly 40 from top to bottom, thereby realizing backblowing and cleaning of the right bag dust removal assembly 40.

[0029] See also Figure 1In one embodiment, a guide rod 502 passes through and movably cooperates with the piston plate 501, the guide rod 502 is vertically distributed, the upper end of the guide rod 502 is fixedly connected to the inner top wall of the box body 10, and the piston plate 501 is also connected to the inner top wall of the box body 10 through a second elastic member 503, and the second elastic member 503 is used to provide elastic tension to the piston plate 501.

[0030] When a certain group of extended cross bars 508 slides away from one end of the arc-shaped limit plate 602 away from the spiral push plate 603, and the third elastic member 507 pushes the corresponding blocking plate 506 to move downward, the blocking plate 506 presses the corresponding piston plate 501, and the piston plate 501 slides downward compared to the corresponding guide rod 502. At the same time, the second elastic member 503 is stretched and lengthened. When the spiral push plate 603 acts on a certain group of extended cross bars 508 and pushes the corresponding blocking plate 506 to move upward, the corresponding second elastic member 503 pulls The corresponding piston plate 501 is moved so that the piston plate 501 moves up along with the blocking plate 506. When the piston plate 501 moves up to the original position, it remains stationary. Then the spiral push plate 603 continues to push the extended cross bar 508 to make the blocking plate 506 continue to move up. The blocking plate 506 is separated from the piston plate 501, thereby opening the corresponding second through hole 505, so that the industrial smoke can pass through the bag dust removal assembly 40 from bottom to top and then pass through the second through hole 505, and then be discharged from the exhaust pipe 106.

[0031] See also Figure 1 as well as Figure 2 In one embodiment, the two groups of bag dust removal assemblies 40 have the same structure, both including a dust removal bag 401 and a bracket plate 402. The bracket plate 402 is fixedly disposed on the inner wall of the dust removal chamber 103. The dust removal bags 401 are provided in several groups, and several of the dust removal bags 401 are installed at the bottom of the bracket plate 402.

[0032] When the industrial flue gas flows upward along the inside of the dust removal chamber 103, the industrial flue gas passes through a plurality of dust removal bags 401, and the dust in the industrial flue gas is filtered and intercepted by the plurality of dust removal bags 401; when the blocking plate 506 moves downward and thus drives the piston plate 501 to move downward, the piston plate 501 presses the air below it, so that the air passes through the plurality of dust removal bags 401 from top to bottom, and then blows away the dust intercepted on the plurality of dust removal bags 401, thereby realizing the cleaning operation of the plurality of dust removal bags 401.

[0033] See also Figure 1In one embodiment, two groups of ash discharge ports 101 are opened on the side wall of the box body 10, and the two groups of ash discharge ports 101 are respectively connected to the two groups of dust removal chambers 103. The two groups of dust removal chambers 103 are also provided with ash guide components 30 below the bag dust removal assembly 40. The ash guide components 30 are used to guide the dust blown back from the bag dust removal assembly 40 to the ash discharge ports 101, and then discharge the dust from the ash discharge ports 101 to the outside of the box body 10, so as to remove the dust from the inside of the box body 10.

[0034] See also Figure 1 , Figure 2 as well as Figure 3 In one embodiment, the ash guide assembly 30 includes an ash guide plate 301, a first elastic member 302 and an extending vertical rod 303. The ash guide plate 301 is hingedly arranged on the inner wall of the box body 10. One end of the first elastic member 302 is connected to the transverse partition 104, and the other end is connected to the ash guide plate 301, which is used to provide elastic support for the ash guide plate 301. A notch is provided on the transverse partition 104. The upper end of the extending vertical rod 303 is connected to the ash guide plate 301, and the lower end extends from the notch to the bottom of the transverse partition 104. A V-shaped structure is formed between the extending vertical rod 303 and the ash guide plate 301. An arc surface 701 is provided at the corner position of the semicircular sealing plate 70.

[0035] When the semicircular sealing plate 70 rotates from the right half area of ​​the bottom wall of the transverse partition 104 to the left half area, the arc surface 701 at the corner position of the semicircular sealing plate 70 acts on the extension vertical rod 303 corresponding to the left ash guide component 30, thereby pushing the extension vertical rod 303 to make the ash guide plate 301 corresponding to the left ash guide component 30 rotate to an inclined state under the left bag dust removal component 40, and the dust blown back from the left bag dust removal component 40 acts on the upper surface of the ash guide plate 301, and then is guided by the upper surface of the ash guide plate 301 to the ash discharge port 101 on the left, and finally discharged to the outside of the box body 10 through the ash discharge port 101 on the left; when the semicircular sealing plate 70 rotates from the left half area of ​​the bottom wall of the transverse partition 104 to the right half area, the arc surface 701 at the corner position of the semicircular sealing plate 70 acts on the extension vertical rod 303 corresponding to the right ash guide component 30, thereby pushing the extension vertical rod 303 to make the guide plate 301 corresponding to the right ash guide component 30 The ash plate 301 rotates to an inclined state below the right bag dust removal assembly 40, and the dust blown back from the right bag dust removal assembly 40 acts on the upper surface of the ash guide plate 301, and is then guided by the upper surface of the ash guide plate 301 to the right ash discharge port 101, and finally discharged to the outside of the box body 10 through the right ash discharge port 101; when the semicircular sealing plate 70 rotates away from the right half area of ​​the bottom wall of the transverse partition 104, the first elastic member 302 on one side of the right ash guide plate 301 pushes The right ash guide plate 301 is moved so that it rotates in the opposite direction to a vertical state and abuts against the inner wall of the box body 10 to cover the right ash discharge port 101; when the semicircular sealing plate 70 rotates away from the left half area of ​​the bottom wall of the transverse partition 104, the first elastic member 302 on one side of the left ash guide plate 301 pushes the left ash guide plate 301 so that it rotates in the opposite direction to a vertical state and abuts against the inner wall of the box body 10 to cover the left ash discharge port 101.

[0036] In one embodiment, dust collection boxes (not shown in the figure) connected to the two groups of dust discharge ports 101 are provided on opposite sides of the outer wall of the box body 10. After the dust is discharged from the box body 10 through the dust discharge ports 101, it can enter the dust collection box, thereby realizing the collection and storage of dust.

[0037] In one embodiment, the first elastic member 302 , the second elastic member 503 and the third elastic member 507 may be springs or metal springs, which are not limited here.

[0038] In the embodiment of the present invention, initially, the semicircular sealing plate 70 is attached to the right half area of ​​the bottom wall of the transverse partition 104 (such as Figure 3As shown), the first through hole 105 on the right is sealed. When dust removal is required for industrial smoke, the industrial smoke can be introduced into the box body 10 from the air inlet pipe 107, and the semicircular sealing plate 70 is driven to rotate by the first driving assembly 20. After the industrial smoke enters the box body 10, it acts on the position below the transverse partition 104, and then enters the dust removal chamber 103 on the left through the first through hole 105 on the left. Then, the industrial smoke flows upward along the inside of the dust removal chamber 103 on the left, and then passes through the bag dust removal assembly 40 on the left. The bag dust removal assembly 40 on the left is used to filter the dust in the industrial smoke. After the bag-type dust removal assembly 40 on the left has been dusted for a certain period of time, the semicircular sealing plate 70 rotates to the left half area of ​​the bottom wall of the transverse partition 104, and then seals the first through hole 105 on the left, while the previously sealed first through hole 105 on the right is opened. At this time, the subsequent industrial smoke enters the inside of the dust removal chamber 103 on the right through the first through hole 105 on the right and flows upward along the inside of the dust removal chamber 103 on the right, and then passes through the bag-type dust removal assembly 40 on the right, and uses the bag-type dust removal assembly 40 on the right to filter the dust in the industrial smoke. After the bag-type dust removal assembly 40 on the right has been dusted for a certain period of time, the semicircular sealing plate 70 rotates to the left half area of ​​the bottom wall of the transverse partition 104, and then seals the first through hole 105 on the left, and the previously sealed first through hole 105 on the right is opened. At this time, the subsequent industrial smoke enters the inside of the dust removal chamber 103 on the right through the first through hole 105 on the right and flows upward along the inside of the dust removal chamber 103 on the right, and then passes through the bag-type dust removal assembly 40 on the right, and uses the bag-type dust removal assembly 40 on the right to filter the dust in the industrial smoke. The sealing plate 70 rotates again to the right half area of ​​the bottom wall of the transverse partition 104, so that the subsequent industrial smoke enters the left dust removal chamber 103 through the first through hole 105 on the left again, and the dust in the industrial smoke is filtered out again by the left bag dust removal assembly 40. Such a reciprocating cycle can make the two sets of bag dust removal assemblies 40 alternately perform dust removal operations on the industrial smoke. When the semicircular sealing plate 70 seals the first through hole 105 on the right, the second driving assembly 60 drives the backflush assembly 50 on the right to move downward, and then backflushs the bag dust removal assembly 40 on the right, thereby realizing the right bag dust removal assembly 4 0, when the semicircular sealing plate 70 seals the first through hole 105 on the left, the second driving assembly 60 drives the back-blowing assembly 50 on the left to move downward, and then back-blowing the bag-type dust collector assembly 40 on the left, thereby realizing automatic cleaning of the bag-type dust collector assembly 40 on the left. Compared with the prior art, through the arrangement of two groups of bag-type dust collector assemblies 40, uninterrupted and continuous dust removal of industrial flue gas can be realized, and at the same time, the second driving assembly 60 drives the two groups of back-blowing assemblies 50 to move, and then back-blowing and cleaning the two groups of bag-type dust collector assemblies 40 alternately, which has the advantages of high industrial flue gas dust removal efficiency and good cleaning effect.

[0039] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A bag filter for industrial flue gas, characterized in that: It comprises a housing (10), a first drive assembly (20), a bag dust removal assembly (40), a backflush assembly (50), a second drive assembly (60), and a semicircular sealing plate (70). A vertical partition (102) and a transverse partition (104) are fixedly arranged inside the box body (10), and an air intake pipe (107) is provided on a side wall of the box body (10) below the transverse partition (104). The vertical partitions (102) are provided with two groups. The two groups of vertical partitions (102) are installed on the upper part of the transverse partition (104) and are spaced apart. The two groups of vertical partitions (102) are spaced apart from each other to form a dust removal chamber (103). The transverse partition (104) is provided with two groups of first through holes (105). The two groups of first through holes (105) are respectively connected to the two groups of dust removal chambers (103). The bag dust removal assembly (40) and the back-blowing assembly (50) are each provided with two groups, the two groups of bag dust removal assemblies (40) are respectively fixedly arranged inside the two groups of dust removal chambers (103), and the two groups of back-blowing assemblies (50) are respectively arranged above the two groups of bag dust removal assemblies (40). The semicircular sealing plate (70) is attached to the bottom of the transverse partition (104); the first driving assembly (20) is installed inside the box (10) and is used to drive the semicircular sealing plate (70) to rotate so as to alternately seal the two groups of the first through holes (105). The second driving assembly (60) is disposed between the two groups of vertical partitions (102) and is used to drive the two groups of backflush assemblies (50) to move up and down, so as to backflush and clean the two groups of bag dust removal assemblies (40).

2. A bag filter for industrial flue gas according to claim 1, characterized in that: The first driving assembly (20) comprises a motor (201) and a rotating shaft (202). The motor (201) is fixedly mounted on the inner bottom wall of the box body (10), the rotating shaft (202) is arranged at the output end of the motor (201), and the semicircular sealing plate (70) is fixedly arranged outside the rotating shaft (202).

3. A bag filter for industrial flue gas according to claim 2, characterized in that: Two groups of air outlet pipes (106) are arranged on the top of the box body (10), and the two groups of air outlet pipes (106) are respectively connected to the two groups of dust removal chambers (103). The two groups of backflush assemblies (50) have the same structure, and both include a piston plate (501) and a blocking plate (506). The piston plate (501) is provided with a second through hole (505), and the blocking plate (506) is arranged above the piston plate (501). When the semicircular sealing plate (70) seals a certain group of the first through holes (105), the second driving component (60) is used to drive the blocking plate (506) above the first through holes (105) of the group to move downward.

4. A bag filter for industrial flue gas according to claim 3, characterized in that: One end of the rotating shaft (202) away from the motor (201) passes through the transverse partition (104) and extends between the two groups of vertical partitions (102). The second driving assembly (60) comprises a rotating column (601), an arc-shaped limiting plate (602) and a spiral push plate (603). The rotating column (601) is located between the two groups of vertical partitions (102) and is fixedly connected to one end of the rotating shaft (202) away from the motor (201); the arc-shaped limit plate (602) and the spiral push plate (603) are fixedly arranged on the circumferential side wall of the rotating column (601); one end of the arc-shaped limit plate (602) is connected to one end of the spiral push plate (603); The upper ends of the blocking plates (506) corresponding to the two groups of back-blowing assemblies (50) are fixedly provided with U-shaped connecting rods (504); one end of the two groups of U-shaped connecting rods (504) away from the corresponding blocking plates (506) extends from the top of the box body (10) to between the two groups of vertical partitions (102) and is fixedly provided with an extending cross bar (508); the blocking plates (506) corresponding to the two groups of back-blowing assemblies (50) are also connected to the inner top wall of the box body (10) via a third elastic member (507); the third elastic member (507) is used to provide elastic support for the blocking plates (506).

5. A bag filter for industrial flue gas according to claim 4, characterized in that: A guide rod (502) penetrates the piston plate (501) and is movably engaged therewith. The guide rod (502) is vertically distributed, and the upper end of the guide rod (502) is fixedly connected to the inner top wall of the box body (10). The piston plate (501) is also connected to the inner top wall of the box body (10) via a second elastic member (503), and the second elastic member (503) is used to provide elastic pulling force to the piston plate (501).

6. The bag filter for industrial flue gas according to claim 1, characterized in that: The two groups of bag dust removal assemblies (40) have the same structure, and both include a dust removal bag (401) and a support plate (402). The support plate (402) is fixedly arranged on the inner wall of the dust removal chamber (103); a plurality of groups of dust removal bags (401) are provided; and a plurality of dust removal bags (401) are installed at the bottom of the support plate (402).

7. The bag filter for industrial flue gas according to claim 5, characterized in that: Two groups of ash discharge ports (101) are provided on the side wall of the box body (10), and the two groups of ash discharge ports (101) are respectively connected to the two groups of dust removal chambers (103). An ash guide assembly (30) is also provided inside the two groups of dust removal chambers (103) below the bag dust removal assembly (40), and the ash guide assembly (30) is used to guide the dust blown back from the bag dust removal assembly (40) to the ash discharge port (101).

8. The bag filter for industrial flue gas according to claim 7, characterized in that: The ash guide assembly (30) comprises an ash guide plate (301), a first elastic member (302) and an extending vertical rod (303). The ash guide plate (301) is hingedly arranged on the inner wall of the box body (10); one end of the first elastic member (302) is connected to the transverse partition plate (104), and the other end is connected to the ash guide plate (301), and is used to provide elastic support for the ash guide plate (301); a notch is provided on the transverse partition plate (104); the upper end of the extending vertical rod (303) is connected to the ash guide plate (301), and the lower end extends from the notch to below the transverse partition plate (104); a V-shaped structure is formed between the extending vertical rod (303) and the ash guide plate (301); and an arc surface (701) is provided at a corner position of the semicircular sealing plate (70).

9. A bag filter for industrial flue gas according to claim 8, characterized in that: Dust collection boxes communicating with the two groups of dust discharge ports (101) are also provided on opposite sides of the outer wall of the box body (10).

10. The bag filter for industrial flue gas according to claim 8, characterized in that: The first elastic member (302), the second elastic member (503) and the third elastic member (507) are springs or metal springs.

Images