阅读说明：本技术 一种在线卸灰的环保除尘系统及其除尘方法 (Environment-friendly dust removal system for online ash discharge and dust removal method thereof ) 是由 殷富新 于 2019-11-11 设计创作，主要内容包括：本发明公开了一种在线卸灰的环保除尘系统,包括除尘壳体、布袋支撑板、无尘排气管、回转机构、卸灰机构和除尘布袋,所述除尘壳体通过布袋支撑板分隔成上部的集气腔和下部的集尘腔,所述布袋支撑板上贯通开设有若干沿圆周阵列分布的无尘出气口,所述除尘布袋的开口端对应于无尘出气口设置,所述布袋支撑板上设置有回转机构,所述回转机构分别驱动各除尘布袋在对应的无尘出气口内自转转动,所述卸灰机构位于集尘腔内且设置于布袋支撑板的底部,且所述卸灰机构的外圈与除尘布袋接触设置,所述卸灰机构与除尘布袋相对转动清灰,能够在对含尘气体除尘的同时实时对除尘布袋进行清灰处理,保证除尘布袋的高过滤性能。(The invention discloses an environment-friendly dust removal system for online dust discharging, which comprises a dust removal shell, a cloth bag supporting plate, a dust-free exhaust pipe, a rotary mechanism, a dust discharging mechanism and a dust removal cloth bag, wherein the dust removal shell is divided into an upper gas collection cavity and a lower dust collection cavity by the cloth bag supporting plate, a plurality of dust-free gas outlets distributed along a circumferential array are arranged on the cloth bag supporting plate in a penetrating way, the open end of the dust removal cloth bag is arranged corresponding to the dust-free gas outlets, the rotary mechanism is arranged on the cloth bag supporting plate and respectively drives each dust removal cloth bag to rotate in a self-rotating way in the corresponding dust-free gas outlet, the dust discharging mechanism is positioned in the dust collection cavity and arranged at the bottom of the cloth bag supporting plate, the outer ring of the dust discharging mechanism is arranged in contact with the dust removal cloth bag, the dust discharging mechanism and the dust removal cloth bag, ensuring the high filtering performance of the dust removal cloth bag.)

1. The utility model provides an online environmental protection dust pelletizing system of unloading ash which characterized in that: comprises a dust removal shell (1), a cloth bag supporting plate (2), a dust-free exhaust pipe (6), a swing mechanism (10), an ash discharging mechanism (11) and a dust removal cloth bag (9), wherein the cloth bag supporting plate (2) is transversely arranged in an inner cavity of the dust removal shell (1), the dust removal shell (1) is separated into a gas collection cavity (4) at the upper part and a dust collection cavity (3) at the lower part through the cloth bag supporting plate (2), the dust collection cavity (3) is communicated with a dust-containing air inlet pipe (5), the gas collection cavity (4) is communicated with the dust-free exhaust pipe (6), a plurality of dust-free air outlets (8) distributed along a circumferential array are communicated on the cloth bag supporting plate (2), the open end of the cloth bag dust removal (9) is arranged corresponding to the dust-free air outlets (8), the closed end of the dust removal cloth bag (9) is vertically, rotation mechanism (10) drive each dust removal sack (9) rotation in dustless gas outlet (8) that correspond respectively, unload grey mechanism (11) and be located dust collection chamber (3) and set up in the bottom of sack backup pad (2), unload grey mechanism (11) and be located the inner circle after a plurality of dust removal sacks (9) enclose, just the outer lane of unloading grey mechanism (11) sets up with dust removal sack (9) contact, unload grey mechanism (11) and dust removal sack (9) relative rotation deashing.

2. The environment-friendly dust removal system for on-line ash discharge according to claim 1, wherein: the rotary mechanism (10) comprises axial flow fan blades (22), a driving rotating shaft (19) and a driving piece (23), the top end of the dust removing shell (1) is provided with an air collecting port (20), the air collecting port (20) protrudes out of the dust removing shell (1) and is provided with an air collecting cylinder (21), an air outlet channel is formed in the air collecting cylinder (21), a rotating shaft mounting seat (24) is arranged below the air collecting port (20), the rotating shaft mounting seat (24) is fixed on the inner wall of the dust removal shell, the driving rotating shaft (19) vertically penetrates through and is rotatably arranged on the rotating shaft mounting seat (24), the top end of the driving rotating shaft (19) is provided with axial flow fan blades (22), and the axial flow fan blade (22) is positioned in the air outlet channel, the rod body of the driving rotating shaft (19) is provided with an active driving part (23), and the air in the air outlet channel flows to drive the axial flow fan blade to rotate.

3. The environment-friendly dust removal system for on-line ash discharge according to claim 2, wherein: the upper end of dust removal sack (9) is provided with supporting component, it is provided with driven piece (14) on the supporting component to go up, the bottom of dust removal sack (9) is provided with lower supporting component, be provided with connector (16) in the inner tube of dust removal sack (9), it passes through connector (16) and is connected the setting with lower supporting component to go up supporting component, it rotates and sets up in dustless gas outlet (8) to go up supporting component, be provided with lower fixing base (18) corresponding to lower supporting component in gas collection chamber (3), lower supporting component rotates and sets up on lower fixing base (18).

4. The environment-friendly dust removal system for on-line ash discharge according to claim 3, wherein: the rotary mechanism (10) further comprises a reciprocating driving shaft head which is a groove cam mechanism, the reciprocating driving shaft head comprises a groove cam (25) coaxially arranged at the bottom end of the driving rotating shaft and a sliding guide post (27) driven correspondingly to the groove cam (25), a rotary hole (28) is formed in the cloth bag supporting plate (2) in an axial through mode, the cloth bag supporting plate (2) is axially movable and circumferentially fixed in the dust removal shell (1), the groove cam (25) is movably arranged in the rotary hole (28) in a penetrating mode, and the sliding guide post (27) is radially arranged in the rotary hole (28); through the circumferential rotation of the groove cam (25), the cloth bag supporting plate (2) moves up and down in a reciprocating manner.

5. The environment-friendly dust removal system for on-line ash discharge according to claim 4, wherein: the driving part (23) and the driven part (14) are both in a gear structure, the driving part (23) is arranged above the groove cam (25), the area of the cloth bag supporting plate (2) corresponding to the driving part (23) is downwards sunken to form a lifting movable groove (29), the rotary hole (28) is formed in the bottom of the lifting movable groove (29), and the lifting movable groove (29) and the driving part (23) are relatively displaced in the vertical direction;

the thickness of the active driving part (23) is larger than or equal to the maximum vertical stroke value of the sliding guide column (27), the depth of the lifting movable groove (29) is larger than or equal to the maximum thickness of the active driving part (23), and when the sliding guide column (27) is displaced to the top end of the stroke of the groove (26), the bottom end of the active driving part (23) is in clearance with the bottom wall of the lifting movable groove (29).

6. The environment-friendly dust removal system for on-line ash discharge according to claim 4, wherein: go up supporting component and include backup pad (15), lower supporting component includes lower backup pad (30), connector (16) coaxial setting is in dust removal sack (9), just the bottom of connector (16) sets up on lower backup pad (30), just the top activity of connector (16) is worn to locate on backup pad (15).

7. The environment-friendly dust removal system for on-line ash discharge according to claim 3 or 6, wherein: the device is characterized by further comprising a gas storage container (7), a backflushing gas pipe (35) and a shunt pipe (34), wherein the dust-free exhaust pipe (6) is communicated with the gas collecting cylinder (21), the gas storage container (7) is communicated with the dust-free exhaust pipe (6) in parallel, the shunt pipe (34) is arranged in the gas collecting cavity (4), and the shunt pipe (34) is communicated with the gas storage container (7) through the backflushing gas pipe (35); the connecting body (16) is of a hollow rod body structure and forms a pressure cavity (32), the wall body of the connecting body (16) is communicated with the pressure cavity (32) and is provided with a plurality of air outlet holes (31) in a penetrating way, and the top ends of the connecting body (16) are communicated with the shunt tubes (34) through hoses (33); dust-free gas enters the pressure cavity (32) through the backflushing gas conveying pipe (35) and impacts on the inner wall of the dust removing cloth bag (9) from the plurality of gas outlet holes (31).

8. The environment-friendly dust removal system for on-line ash discharge according to any one of claims 4 to 7, wherein: the dust removal cloth bag (9) comprises a plurality of cloth bag bodies (40), lining support rings (41) and elastic rings (42), the lining support rings are of a hard ring body structure, the lining support rings (41) are arranged at intervals along the length direction of the cloth bag bodies (40), the cloth bag bodies (40) are supported into a barrel structure through the lining support rings (41), the elastic rings (42) are arranged at intervals along the length direction of the cloth bag bodies, at least one elastic ring (42) is arranged between every two adjacent lining support rings (41), the elastic rings (42) are annularly arranged on the cloth bag bodies (40), and the cloth bag bodies (40) are tightened to the inner ring by the elastic rings (42) under the natural resilience state; the cloth bag body (40) is stacked and stretched through the up-and-down displacement of the cloth bag support plate (2), and the cloth bag body in the area between two adjacent lining support rings (41) is radially tightened or expanded through an elastic ring (42).

9. The environment-friendly dust removal system for on-line ash discharge according to claim 8, wherein: the dust discharging mechanism (11) comprises a dust discharging plate, the dust discharging plate is of a plate body structure, one side, facing a dust removing cloth bag (9), of the dust discharging plate comprises a plurality of dust discharging portions (110) protruding towards the cloth bag body (40), the dust discharging portions (110) are formed into a containing groove (111), the dust discharging portions (110) are located between two adjacent lining support rings (41), the lining support rings (41) are located in the containing groove (111), and the cloth bag body (40) and the dust discharging portions (110) in an at least expanding state are in friction contact.

10. The environment-friendly dust removal method for on-line ash discharge according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

s1: dust-containing gas enters the dust removal shell (1) through a dust-containing gas inlet pipe (5) and flows upwards through the dust collection cavity (3), the dust-containing gas is subjected to dust removal and filtration through a plurality of dust removal cloth bags (9), the filtered dust falls into the bottom of the dust collection cavity (3), the filtered dust-free gas enters the gas collection cavity (4) and is gathered at the gas collection port (20) to flow upwards, and meanwhile, the flowing dust-free gas flow drives the axial flow fan blades (22) and the driving rotating shaft (19) to rotate; when the rotating shaft is driven to rotate, the driving part (23) drives the plurality of driven driving parts (14) to rotate around the respective dust-free air outlets (8) in a self-rotation mode, so that the dust removing cloth bags (9) rotate in a self-rotation mode, the plurality of dust removing cloth bags (9) in the rotating state are respectively contacted with the respective corresponding dust discharging mechanisms (11), and dust on the outer side walls of the dust removing cloth bags (9) is removed;

s2: when the driving rotating shaft (19) rotates, the reciprocating driving shaft head rotates along with the driving rotating shaft, the sliding guide post (27) slides in the groove (26) and drives the cloth bag supporting plate (2) to reciprocate up and down in the vertical direction, and the bottom end of the dust removing cloth bag (9) rotates on the lower fixing seat (18) through the lower supporting assembly, so that the dust removing cloth bag (9) is compressed and stretched in the up and down direction;

s3: when the sliding guide post (27) moves to the top end of the stroke of the groove (26), the bottom end of the active driving part (23) is in a clearance with the bottom wall of the lifting movable groove (29), the cloth bag supporting plate (2) moves to the lowest stroke position, the dust removing cloth bag (9) is in a loose state and is compressed downwards, a plurality of elastic rings (42) on the cloth bag body (40) are radially inwards tightened, the cloth bag body deforms, and dust spots and dust collection on the cloth bag body are squeezed and broken and separated from the cloth bag body;

s4: when the sliding guide column (27) continues to move upwards under the rotation of the groove cam (25) and reaches the highest stroke position of the cloth bag supporting plate (2), the dust removal cloth bag (9) is stretched upwards, the elastic ring (42) is expanded outwards under the action of the tension of the cloth bag body until the dust removal cloth bag (9) is stretched into a straight cylindrical body shape, and then steps S3 and S4 are repeated in a circulating mode along with the rotation of the driving rotating shaft;

s5: after dust removal is finished or after a preset period of operation, closing the dust-containing air inlet pipe (5) and the dust-free air outlet pipe (6), respectively conveying dust-free gas in the air storage container (7) to the inner cavities of the connectors (16) through the backflushing air conveying pipe (35), the shunt pipe (34) and the connecting hose (33), collecting the dust-free gas in the pressure cavity (32) to form high pressure, then discharging the dust from the air outlet holes (31) and impacting the inner wall of the dust removal cloth bag (9), so that the dust is separated from the filtering holes of the dust removal cloth bag;

s6: along with the gradual increase of the dust-free gas, the internal pressure of the gas collection cavity (4) is greater than the internal pressure of the dust collection cavity (3), so that the dust collection cloth bag (9) expands outwards to break dust spots on the dust collection cloth bag, and simultaneously, the filter holes of the cloth bag are enlarged and discharged to the dust collection cavity (3) through the flushing of the dust-free gas; then the pressure in the dust collecting cavity is balanced in the gas collecting cavity, high pressure is formed in the dust removing shell, and dust-free gas is discharged outwards from the pressure relief opening (37).

Technical Field

The invention belongs to the field of environmental protection and dust removal, and particularly relates to an environmental protection and dust removal system for online ash discharge and a dust removal method thereof.

Background

In the prior art, after the dust-containing gas is filtered by the filter bag and the filter screen, the dust is retained on the outer surface of the filter bag, and the filtered gas is discharged out of the machine shell from the air outlet through the filter bag. Along with the increase of the filtering time, the dust adhered to the outer surface of the filter bag is also increased continuously, and the resistance of the filter bag is correspondingly increased, so that the suction force and the dust removal effect are influenced. Sometimes it is necessary to remove the filter bag and frame for cleaning or replacement. In the prior art, the connection of the frame to the cabinet is located inside the cabinet. When needing to be changed, just need open the emergency exit, the people gets into the casing and carries out the dismouting. With this method, not only is it time consuming, but also the operator's operation is difficult.

Therefore, a part of dust removal is carried out on the filter bag by interrupting the operation of the dust removal equipment, but the process needs to interrupt gas dust removal, so that the dust removal efficiency is not high, and the filter bag cannot be ensured to be in a state of high filtering performance at any time by regularly cleaning the dust.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the environment-friendly dust removal system for online dust discharge and the dust removal method thereof, which can remove dust from dust-containing gas and clean dust of a dust removal cloth bag in real time, thereby ensuring high filtering performance of the dust removal cloth bag.

The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:

an environment-friendly dust removal system for online dust discharging comprises a dust removal shell, a cloth bag supporting plate, a dust-free exhaust pipe, a swing mechanism, a dust discharging mechanism and a dust removal cloth bag, wherein the cloth bag supporting plate is transversely arranged in an inner cavity of the dust removal shell, the dust removal shell is divided into an upper gas collecting cavity and a lower dust collecting cavity by the cloth bag supporting plate, the dust collecting cavities are communicated with a dust-containing gas inlet pipe, the gas collecting cavities are communicated with the dust-free exhaust pipe, a plurality of dust-free gas outlets distributed along a circumferential array are arranged on the cloth bag supporting plate in a penetrating manner, the open end of the dust removal cloth bag is arranged corresponding to the dust-free gas outlets, the closed end of the dust removal cloth bag is vertically arranged downwards, the swing mechanism is arranged on the cloth bag supporting plate and respectively drives each dust removal cloth bag to rotate in the corresponding dust-, the ash discharging mechanism is positioned in an inner ring surrounded by the dust removing cloth bags, an outer ring of the ash discharging mechanism is arranged in contact with the dust removing cloth bags, and the ash discharging mechanism and the dust removing cloth bags rotate relatively to remove ash.

Further, rotation mechanism includes axial fan blade, drive pivot and active driving piece, the gas collecting port has been seted up on the top of dust removal casing, the gas collecting port is provided with the gas collecting cylinder to the outer evagination of dust removal casing, form air outlet channel in the gas collecting cylinder, the interval the below of gas collecting port is provided with the pivot mount pad, the pivot mount pad is fixed in on the inner wall of dust removal casing, the drive pivot is vertical to be worn to establish and rotate and set up on the pivot mount pad, the top of drive pivot is provided with axial fan blade, just axial fan blade is located air outlet channel, the body of rod of drive pivot is provided with active driving piece, the gaseous flow drive axial fan blade in the air outlet channel rotates.

Furthermore, the upper end of the dust removal cloth bag is provided with an upper supporting component, the upper supporting component is provided with a driven part, the bottom end of the dust removal cloth bag is provided with a lower supporting component, a connector is arranged in the inner cylinder of the dust removal cloth bag, the upper supporting component is connected with the lower supporting component through the connector, the upper supporting component is rotatably arranged in the dust-free air outlet, a lower fixing seat is arranged in the gas collection cavity corresponding to the lower supporting component, and the lower supporting component is rotatably arranged on the lower fixing seat.

Furthermore, the rotating mechanism also comprises a reciprocating driving shaft head which is a groove cam mechanism, the reciprocating driving shaft head comprises a groove cam coaxially arranged at the bottom end of the driving rotating shaft and a sliding guide post driven correspondingly to the groove cam, the cloth bag supporting plate is axially provided with a rotating hole in a through mode, the cloth bag supporting plate is axially movably and circumferentially fixedly arranged in the dust removal shell, the groove cam is movably arranged in the rotating hole in a penetrating mode, and the sliding guide post is radially arranged in the rotating hole; through the circumferential rotation of the groove cam, the cloth bag supporting plate moves up and down in a reciprocating manner.

Furthermore, the driving part and the driven part are both in a gear structure, the driving part is arranged above the groove cam, the area of the cloth bag supporting plate corresponding to the driving part is recessed downwards to form a lifting movable groove, the rotary hole is formed in the bottom of the lifting movable groove, and the lifting movable groove and the driving part are displaced in the vertical direction;

the thickness of the active driving part is larger than or equal to the maximum vertical stroke value of the sliding guide column, the depth of the lifting movable groove is larger than or equal to the maximum thickness of the active driving part, and when the sliding guide column is displaced to the top end of the stroke of the groove, the bottom end of the active driving part is in clearance with the bottom wall of the lifting movable groove.

Further, go up supporting component and include the backup pad, lower supporting component includes the backup pad down, the connector coaxial sets up in the dust removal sack, just the bottom of connector sets up on the backup pad down, just the top activity of connector is worn to locate on the backup pad.

The device is characterized by further comprising a gas storage container, a backflushing gas pipe and a flow dividing pipe, wherein the dustless exhaust pipe is communicated with the gas collecting cylinder, the gas storage container is communicated with the dustless exhaust pipe in parallel, the flow dividing pipe is arranged in the gas collecting cavity, and the flow dividing pipe is communicated with the gas storage container through the backflushing gas pipe; the connecting body is of a hollow rod body structure and forms a pressure cavity, the wall body of the connecting body is communicated with the pressure cavity and is provided with a plurality of air outlets, and the top ends of the connecting bodies are communicated with the flow dividing pipe through hoses; the dust-free gas enters the pressure cavity through the backflushing gas conveying pipe and impacts on the inner wall of the dust removal cloth bag from the plurality of gas outlet holes.

Furthermore, the dust removal cloth bag comprises a plurality of cloth bag bodies, lining support rings and elastic rings, wherein the lining support rings are of a hard ring structure, the lining support rings are arranged at intervals along the length direction of the cloth bag bodies and are supported into a barrel structure through the lining support rings, the elastic rings are arranged at intervals along the length direction of the cloth bag bodies, at least one elastic ring is arranged between every two adjacent lining support rings, the elastic rings are annularly arranged on the cloth bag bodies, and the cloth bag bodies are tightened towards the inner rings by the elastic rings in a natural resilience state; the cloth bag body is stacked and stretched through the up-and-down displacement of the cloth bag supporting plate, and the cloth bag body in the area between two adjacent lining supporting rings is radially tightened or expanded through the elastic ring.

Furthermore, the ash discharging mechanism comprises an ash discharging plate, the ash discharging plate is of a plate body structure, one side, facing the dust removing cloth bag, of the ash discharging plate comprises a plurality of ash discharging portions protruding towards the cloth bag body, a plurality of accommodating grooves are formed between the ash discharging portions, the ash discharging portions are respectively located between two adjacent lining support rings, the lining support rings are located in the accommodating grooves, and the cloth bag body and the ash discharging portions are in friction contact at least in an expansion state.

An on-line ash-discharging environment-friendly dedusting method comprises the following steps:

s1: the dust-containing gas enters the dust collection shell through the dust-containing gas inlet pipe and flows upwards through the dust collection cavity, the dust-containing gas is subjected to dust collection and filtration through a plurality of dust collection cloth bags, the filtered dust falls into the bottom of the dust collection cavity, the filtered dust-free gas enters the gas collection cavity and flows upwards after being gathered at the gas collection port, and meanwhile, the flowing dust-free gas flow drives the axial flow fan blades and the rotating shaft to rotate; when the driving rotating shaft rotates, the driving part drives the driven driving parts to rotate around the dust-free air outlets of the driven driving parts, so that the dust removing cloth bags rotate in an autorotation mode, the dust removing cloth bags in a rotating state are respectively contacted with the corresponding dust discharging mechanisms, and dust on the outer side walls of the dust removing cloth bags is removed;

s2: when the driving rotating shaft rotates, the reciprocating driving shaft head rotates along with the driving rotating shaft, the sliding guide column slides in the groove and drives the cloth bag supporting plate to perform vertical reciprocating displacement in the vertical direction, and the bottom end of the dust removing cloth bag rotates on the lower fixing seat through the lower supporting assembly, so that the dust removing cloth bag is subjected to reciprocating compression and stretching in the vertical direction;

s3: when the sliding guide post is displaced to the top end of the stroke of the groove, the bottom end of the active driving piece is in a clearance with the bottom wall of the lifting movable groove, the cloth bag supporting plate is displaced to the lowest stroke position, the dust removal cloth bag is in a loose state and is compressed downwards, a plurality of elastic rings on the cloth bag body are tightened inwards along the radial direction, the cloth bag body deforms, and dust spots and collected dust on the cloth bag body are crushed by extrusion and separated from the cloth bag body;

s4: when the sliding guide column continues to move upwards under the rotation of the groove cam and reaches the highest stroke position of the cloth bag supporting plate, the dust removal cloth bag is stretched upwards, the elastic ring is stretched outwards under the action of the tensile force of the cloth bag body until the dust removal cloth bag is stretched into a straight cylindrical body shape, and then steps S3 and S4 are repeated in a circulating mode along with the rotation of the driving rotating shaft;

s5: after the dust removal is finished or after the operation is carried out for a preset period, closing the dust-containing air inlet pipe and the dust-free air outlet pipe, respectively conveying dust-free gas in the air storage container to the inner cavities of the connectors through the backflushing air conveying pipe, the flow dividing pipe and the connecting hose, collecting the dust-free gas in the pressure cavity to form high pressure, and then discharging the dust from the air outlet holes and impacting the dust on the inner wall of the dust removal cloth bag to separate the dust from the filter holes of the dust removal cloth bag;

s6: along with the gradual increase of the dust-free gas, the internal pressure of the gas collection cavity is greater than the internal pressure of the dust collection cavity, so that the dust collection cloth bag expands outwards to break dust spots on the dust collection cloth bag, and meanwhile, the filter holes of the cloth bag are enlarged and discharged to the dust collection cavity through the flushing of the dust-free gas; then the pressure in the dust collecting cavity is balanced in the gas collecting cavity, high pressure is formed in the dust removing shell, and dust-free gas is discharged outwards from the pressure relief opening.

Has the advantages that: according to the invention, each dust removal cloth bag rotates in a self-rotating manner through the rotating mechanism, and the self-rotating dust removal cloth bags are subjected to all-dimensional ash discharging and cleaning treatment through the ash discharging mechanism, so that not only can dust be removed from dust-containing gas, but also the ash of the dust removal cloth bags can be cleaned in real time, the ash discharging sufficiency and high filtering performance of the dust removal cloth bags can be ensured, and the efficient dust removal effect can be ensured.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a perspective view of the overall structure of the present invention;

FIG. 4 is a schematic view of the overall structure of the present invention in half section A-A;

FIG. 5 is an enlarged view of the structure of part A of the present invention;

FIG. 6 is an enlarged view of the structure of the portion B of the present invention;

FIG. 7 is an enlarged view of the structure of the portion C of the present invention;

FIG. 8 is an enlarged view of a portion D of the present invention;

FIG. 9 is a perspective view of the internal structure of the overall structure of the present invention;

FIG. 10 is a front view of the internal structure of the present invention;

FIG. 11 is a schematic view in half section B-B of FIG. 10 of the present invention;

FIG. 12 is a schematic semi-sectional view of a dust-removal cloth bag of the present invention in a downwardly compressed and tightened state;

FIG. 13 is a schematic view of the dust removal cloth bag of the present invention in an upwardly stretched state;

FIG. 14 is an enlarged view of detail E of FIG. 13 in accordance with the present invention;

FIG. 15 is a schematic structural diagram of the overall structure of the present invention in a dust-free gas backflushing state.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in attached figures 1 to 5, the environment-friendly dust removal system for online dust discharging comprises a dust removal shell 1, a cloth bag support plate 2, a dust-free exhaust pipe 6, a swing mechanism 10, a dust discharging mechanism 11 and a dust removal cloth bag 9, wherein the dust removal shell is of a closed cylindrical shell structure, the cloth bag support plate 2 is transversely arranged in an inner cavity of the dust removal shell 1, the dust removal shell 1 is divided into an upper gas collection cavity 4 and a lower dust collection cavity 3 through the cloth bag support plate 2, the dust collection cavity 3 is communicated with a dust-containing gas inlet pipe 5, the gas collection cavity 4 is communicated with the dust-free exhaust pipe 6, a plurality of dust-free gas outlets 8 distributed along a circumferential array are arranged on the cloth bag support plate 2 in a penetrating manner, an open end of the dust removal cloth bag 9 is arranged corresponding to the dust-free gas outlets 8, a closed end of the dust, the rotary mechanism 10 drives each dust-collecting cloth bag 9 to rotate in the corresponding dust-free air outlet 8, the ash discharging mechanism 11 is positioned in the dust collecting cavity 3 and arranged at the bottom of the cloth bag supporting plate 2, the ash discharging mechanism 11 is positioned in an inner ring enclosed by a plurality of dust-collecting cloth bags 9, an outer ring of the ash discharging mechanism 11 is in contact with the dust-collecting cloth bags 9, and the ash discharging mechanism 11 and the dust-collecting cloth bags 9 rotate relatively to remove ash. The dust-containing gas enters the dust removal shell 1 through the dust-containing gas inlet pipe 5, and flows upwards through the dust collection cavity 3, the dust-containing gas is subjected to dust removal and filtration through a plurality of dust collection cloth bags 9, the filtered dust falls into the bottom of the dust collection cavity 3, the filtered dust-free gas enters the gas collection cavity 4, and flows upwards after being gathered, when the dust collection cloth bags 9 remove dust to the dust-containing gas, the rotation mechanism drives the dust collection cloth bags to rotate in a self-rotation manner, the rotating dust collection cloth bags rotate relative to the fixed dust removal mechanism 11, so that all-dimensional dust removal and dust removal treatment are performed on the dust collection cloth bags 9, not only can the dust of the dust-containing gas be removed, but also the dust removal sufficiency of the dust collection cloth bags can be ensured, the high filtering performance is ensured, and the efficient dust removal effect is ensured.

As shown in fig. 4 and fig. 5, the turning mechanism 10 includes axial fan blades 22, a driving shaft 19 and a driving member 23, the top end of the dust removing shell 1 is provided with an air collecting port 20, the air collecting port 20 protrudes out of the dust removing shell 1 and is provided with an air collecting cylinder 21, an air outlet channel is formed in the air collecting cylinder 21, a rotating shaft mounting seat 24 is arranged below the air collecting port 20 at intervals, the rotating shaft mounting seat 24 is fixed on the inner wall of the dust removing shell, the driving rotating shaft 19 vertically penetrates through and is rotatably arranged on the rotating shaft mounting seat 24, the driving rotating shaft 19 is arranged on the rotating shaft mounting seat 24 through a bearing, and is stable in the axial direction, the top end of the driving rotating shaft 19 is provided with axial flow fan blades 22, and axial fan 22 is located the air outlet channel, the body of rod of drive pivot 19 is provided with active drive piece 23, the gaseous flow drive axial fan in the air outlet channel rotates. The filtered dustless gas enters the gas collecting cavity 4 and flows upwards after gathering the gas collecting port 20, and meanwhile, the flowing dustless gas flow drives the axial flow fan blades 22 and the driving rotating shaft 19 to rotate, in the process, additional power output equipment is not needed, the dustless gas flow in the gas outlet channel flows, and the driving of the driving rotating shaft is completed, so that the equipment composition is reduced, the cost is reduced, the integral structure is simpler, no energy is consumed, and the mechanical structure is easier to maintain.

As shown in fig. 4 to 7, an upper support assembly is arranged at the upper end of the dust removal cloth bag 9, a driven member 14 is arranged on the upper support assembly, a lower support assembly is arranged at the bottom end of the dust removal cloth bag 9, a connector 16 is arranged in the inner cylinder of the dust removal cloth bag 9, the upper support assembly is connected and arranged with the lower support assembly through the connector 16, the upper support assembly is rotatably arranged in the dust-free gas outlet 8, a lower fixing seat 18 is arranged in the gas collection chamber 3 corresponding to the lower support assembly, the lower fixing seat 18 is of an annular frame structure and is fixedly arranged on the inner wall of the dust collection chamber 3, and the lower support assembly is rotatably arranged on the lower fixing seat 18. The upper supporting component is connected with the lower supporting component through the connecting body 16 to ensure that the upper supporting component and the lower supporting component can be fixed relatively all the time in the circumferential direction, so that when the dust removal cloth bag 9 rotates, the whole cloth bag body rotates, excessive deformation of the cloth bag body and the dust unloading mechanism during interaction is prevented, and the dust removal and dust removal effect is ensured.

Go up supporting component and include last revolving bed 12 and last go-between 13, go up go-between 23 and be the stereoplasm loop configuration, and fixed the setting at the top opening part of dust removal sack 9, the dust removal sack top is connected on last revolving bed 12 through last go-between 23, go up revolving bed 12 axial fixity and circumferential direction and set up in dustless gas outlet 8, active driving piece 23 is established on last revolving bed 12. The lower supporting assembly comprises a lower rotary seat 45 and a lower connecting ring, the lower connecting ring is of a hard ring structure and is fixedly arranged at the bottom closed end of the dust removal cloth bag 9, the bottom end of the dust removal cloth bag is connected to the lower rotary seat 45 through the lower connecting ring, and the lower rotary seat 45 is axially fixed and circumferentially rotates on the lower fixing seat 18.

As shown in fig. 4, fig. 5, and fig. 8 to fig. 14, the rotation mechanism 10 further includes a reciprocating driving shaft head, the reciprocating driving shaft head is a groove cam mechanism, the reciprocating driving shaft head includes a groove cam 25 coaxially disposed at the bottom end of the driving rotation shaft and a sliding guide post 27 driven correspondingly to the groove cam 25, the cloth bag support plate 2 is axially penetrated and provided with a rotation hole 28, the inner wall of the dust removing housing 1 is vertically provided with a guide strip 39, the cloth bag support plate 2 is provided with a guide groove corresponding to the guide strip, the cloth bag support plate 2 is axially movable and circumferentially fixed and disposed in the dust removing housing 1, the groove cam 25 is movably penetrated and disposed in the rotation hole 28, and the sliding guide post 27 is radially disposed in the rotation hole 28; through the circumferential rotation of the groove cam 25, the cloth bag supporting plate 2 moves up and down in a reciprocating manner. The driving rotating shaft rotates, and meanwhile, the cloth bag supporting plate 2 is driven to reciprocate up and down, so that the dust removal cloth bag is in two different states of stretching and compressing, the dust removed cloth bag can be broken and fallen off fully from the dust removal cloth bag, a large amount of dust is prevented from being gathered on the dust removal cloth bag, and the dust removal filtering effect is guaranteed.

The driving part 23 and the driven part 14 are both in a gear structure, the driving part 23 is arranged above the groove cam 25, the area of the cloth bag supporting plate 2 corresponding to the driving part 23 is recessed downwards to form a lifting movable groove 29, the rotary hole 28 is formed at the bottom of the lifting movable groove 29, and the lifting movable groove 29 and the driving part 23 are displaced relatively in the up-down direction; by lifting the movable groove 29 to ensure the space for the engagement transmission between the driving member 23 and the driven member 14, and the up-and-down displacement of the driving member 23,

the thickness of the active driving member 23 is greater than or equal to the maximum vertical stroke value of the sliding guide post 27, the depth of the lifting movable groove 29 is greater than or equal to the maximum thickness of the active driving member 23, and when the sliding guide post 27 is displaced to the top end of the stroke of the groove 26, the bottom end of the active driving member 23 is spaced from the bottom wall of the lifting movable groove 29.

Fig. 8 to 11 show a schematic view of the state when the sliding guide pillar 27 is displaced to the middle position of the groove cam, in which the dust-collecting cloth bag 9 is in a downward compressed state, and fig. 13 and 14 show a schematic view of the state when the sliding guide pillar 27 is displaced to the top position of the groove cam, in which the dust-collecting cloth bag 9 is in an upward stretched state, the dust-collecting cloth bag 9 is straightened, and the dust collected on the cloth bag is shaken off.

When the driving rotating shaft 19 rotates, the reciprocating driving shaft head rotates along with the driving rotating shaft, the sliding guide post 27 slides in the groove 26 and drives the cloth bag supporting plate 2 to reciprocate up and down in the vertical direction, and the bottom end of the dust removing cloth bag 9 rotates on the lower fixing seat 18 through the lower supporting assembly, so that the dust removing cloth bag 9 is compressed and stretched in a reciprocating manner in the up and down direction;

when the sliding guide post 27 is displaced to the top end of the stroke of the groove 26, the bottom end of the active driving part 23 is in a clearance with the bottom wall of the lifting movable groove 29, the cloth bag supporting plate 2 is displaced to the lowest stroke position, the dust removing cloth bag 9 is in a loose state and is compressed downwards, a plurality of elastic rings 42 on the cloth bag body 40 are tightened inwards along the radial direction, the cloth bag body deforms, and dust spots and dust collection on the cloth bag body are crushed and separated from the cloth bag body;

when the sliding guide column 27 continues to move upwards under the rotation of the groove cam 25 and reaches the highest stroke position of the cloth bag support plate 2, the dust removal cloth bag 9 is stretched upwards, the elastic ring 42 is expanded outwards under the action of the pulling force of the cloth bag body until the dust removal cloth bag 9 is stretched into a straight cylindrical body shape, and then the circular reciprocating motion is carried out along with the rotation of the driving rotating shaft.

As shown in fig. 6 and 12, the upper supporting component includes an upper supporting plate 15, the lower supporting component includes a lower supporting plate 30, the connecting body 16 is coaxially disposed in the dust collecting bag 9, the bottom end of the connecting body 16 is disposed on the lower supporting plate 30, and the top end of the connecting body 16 movably penetrates through the upper supporting plate 15. When the dust removal cloth bag 9 is compressed and stretched, the upper support component and the lower support component are ensured to be relatively displaced in the vertical direction through the vertical movable guide of the connection 6.

As shown in fig. 1 to 14, the exhaust gas purifier further comprises a gas storage container 7, a backflushing gas pipe 35 and a shunt pipe 34, wherein the dust-free exhaust pipe 6 is communicated with the gas collecting cylinder 21, the gas storage container 7 is communicated with the dust-free exhaust pipe 6 in parallel, the shunt pipe 34 is arranged in the gas collecting cavity 4, and the shunt pipe 34 is communicated with the gas storage container 7 through the backflushing gas pipe 35; the connecting body 16 is of a hollow rod structure and forms a pressure cavity 32, a plurality of air outlets 31 are formed on the wall body of the connecting body 16 and communicated with the pressure cavity 32, and the top ends of the connecting bodies 16 are communicated with a shunt tube 34 through a hose 33; the shunt pipe is of an annular structure and is used for enabling the plurality of hoses 33 to be connected in parallel to be communicated with the backflushing air conveying pipe 35, and dust-free gas enters the pressure cavity 32 through the backflushing air conveying pipe 35 and impacts the inner wall of the dust removal cloth bag 9 from the plurality of air outlet holes 31. After the dust removal is finished or after the operation is carried out for a preset period, the dust-containing air inlet pipe 5 and the dust-free air outlet pipe 6 are closed, dust-free gas in the air storage container 7 is respectively conveyed to the inner cavities of the connectors 16 through the backflushing air conveying pipe 35, the shunt pipe 34 and the connecting hose 33, the dust-free gas is collected in the pressure cavity 32 to form high pressure, and then the high pressure is discharged from the air outlet holes 31 and impacts on the inner wall of the dust removal cloth bag 9, so that dust is separated from the filter holes of the dust removal cloth bag.

As shown in fig. 15, which is a schematic view of an expansion and external-support state of the dust-free gas bag, along with the gradual increase of the dust-free gas, the internal pressure of the gas collection chamber 4 is greater than the internal pressure of the dust collection chamber 3, so that the dust collection bag 9 expands outwards, dust spots on the dust collection bag are crushed, the filter holes of the bag are enlarged at the same time, and the dust collection bag is discharged to the dust collection chamber 3 by the flushing of the dust-free gas; then the pressure in the dust collecting cavity is balanced in the gas collecting cavity, high pressure is formed in the dust removing shell, and dust-free gas is discharged from the pressure relief port 37.

As shown in fig. 12, the dust collection cloth bag 9 includes a plurality of cloth bag bodies 40, liner support rings 41 and elastic rings 42, the liner support rings are of a hard ring structure, the liner support rings 41 are arranged at intervals along the length direction of the cloth bag body 40, the cloth bag body 40 is supported into a cylindrical structure by the liner support rings 41, the elastic rings 42 are arranged at intervals along the length direction of the cloth bag body, at least one elastic ring 42 is arranged between adjacent liner support rings 41, the elastic rings 42 are annularly arranged on the cloth bag body 40, and the cloth bag body 40 is tightened to an inner ring by the elastic rings 42 in a natural resilience state; the cloth bag body 40 is stacked and stretched by the up-and-down displacement of the cloth bag support plate 2, and the cloth bag body in the area between two adjacent lining support rings 41 is radially tightened or expanded by the elastic ring 42. The integral cylinder shape of the dust removing cloth bag is kept through the lining support rings 41, the dust removing cloth bag is guaranteed to be stretched out, so that gas flow during dust removing is guaranteed, the elastic rings 42 between the lining support rings are used, when the dust removing cloth bag 9 is in a compressed state and a stretched state, the cloth bag body is radially tightened or expanded through the elastic rings 42, accordingly, the dust removing cloth bag 9 is guaranteed to be uniformly deformed at all positions, the contraction is stable, and the dust discharging effect is guaranteed.

The dust discharging mechanism 11 comprises a dust discharging plate, the dust discharging plate is of a plate body structure, one side, facing the dust collecting cloth bag 9, of the dust discharging plate comprises a plurality of dust discharging portions 110 protruding towards the cloth bag body 40, a plurality of accommodating grooves 111 are formed between the dust discharging portions 110, the dust discharging portions 110 are respectively located between two adjacent lining support rings 41, the lining support rings 41 are located in the accommodating grooves 111, and the cloth bag body 40 and the dust discharging portions 110 are in friction contact at least in an expansion state.

An on-line ash-discharging environment-friendly dedusting method comprises the following steps:

s1: the dust-containing gas enters the dust removal shell 1 through the dust-containing gas inlet pipe 5 and flows upwards through the dust collection cavity 3, the dust-containing gas is subjected to dust removal and filtration through a plurality of dust removal cloth bags 9, the filtered dust falls into the bottom of the dust collection cavity 3, the filtered dust-free gas enters the gas collection cavity 4 and flows upwards after being gathered at the gas collection port 20, and meanwhile, the flowing dust-free gas flow drives the axial flow fan blades 22 and the rotating shaft 19 to rotate; when the rotating shaft is driven to rotate, the driving part 23 drives the plurality of driven driving parts 14 to rotate around the respective dust-free air outlets 8 in an autorotation mode, so that the dust removing cloth bags 9 rotate in an autorotation mode, the plurality of dust removing cloth bags 9 in a rotating state are respectively contacted with the respective corresponding dust discharging mechanisms 11, and dust on the outer side walls of the dust removing cloth bags 9 is removed;

s2: when the driving rotating shaft 19 rotates, the reciprocating driving shaft head rotates along with the driving rotating shaft, the sliding guide post 27 slides in the groove 26 and drives the cloth bag supporting plate 2 to reciprocate up and down in the vertical direction, and the bottom end of the dust removing cloth bag 9 rotates on the lower fixing seat 18 through the lower supporting assembly, so that the dust removing cloth bag 9 is compressed and stretched in a reciprocating manner in the up and down direction;

s3: when the sliding guide post 27 is displaced to the top end of the stroke of the groove 26, the bottom end of the active driving part 23 is in a clearance with the bottom wall of the lifting movable groove 29, the cloth bag supporting plate 2 is displaced to the lowest stroke position, the dust removing cloth bag 9 is in a loose state and is compressed downwards, a plurality of elastic rings 42 on the cloth bag body 40 are tightened inwards along the radial direction, the cloth bag body deforms, and dust spots and dust collection on the cloth bag body are crushed and separated from the cloth bag body;

s4: when the sliding guide column 27 continues to move upwards under the rotation of the groove cam 25 and reaches the highest stroke position of the cloth bag support plate 2, the dust removal cloth bag 9 is stretched upwards, the elastic ring 42 is expanded outwards under the tension of the cloth bag body until the dust removal cloth bag 9 is stretched into a straight cylindrical body shape, and then steps S3 and S4 are repeated in a circulating manner along with the rotation of the driving rotating shaft;

s5: after the dust removal is finished or after the operation is carried out for a preset period, the dust-containing air inlet pipe 5 and the dust-free air outlet pipe 6 are closed, dust-free gas in the air storage container 7 is respectively conveyed to the inner cavities of the connectors 16 through the backflushing air conveying pipe 35, the shunt pipe 34 and the connecting hose 33, the dust-free gas is collected in the pressure cavity 32 to form high pressure, and then the dust-free gas is discharged from the air outlet holes 31 and impacts on the inner wall of the dust removal cloth bag 9, so that dust is separated from the filter holes of the dust removal cloth bag;

s6: along with the gradual increase of the dust-free gas, the internal pressure of the gas collection cavity 4 is greater than the internal pressure of the dust collection cavity 3, so that the dust collection cloth bag 9 expands outwards to break dust spots on the dust collection cloth bag, and meanwhile, the filter holes of the cloth bag are enlarged and discharged to the dust collection cavity 3 through the flushing of the dust-free gas; then the pressure in the dust collecting cavity is balanced in the gas collecting cavity, high pressure is formed in the dust removing shell, and dust-free gas is discharged from the pressure relief port 37.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.