CN208482199U

CN208482199U - Cleaner and dust pelletizing system

Info

Publication number: CN208482199U
Application number: CN201820900592.6U
Authority: CN
Inventors: 王博; 齐新宇; 王厚成
Original assignee: Lanzhou University
Current assignee: Lanzhou University
Priority date: 2018-06-11
Filing date: 2018-06-11
Publication date: 2019-02-12
Anticipated expiration: 2028-06-11

Abstract

The utility model provides a kind of cleaner and dust pelletizing system, is related to the technical field of environmental protection equipment.Cleaner provided by the utility model includes: circular passage, central cylinder and blast fence；The open at one end and central cylinder of circular passage it is open at one end towards the same side of blast fence, and central cylinder is located at the center of circular passage；It is tightly connected between the inside outer wall of circular passage and the outer wall of central cylinder；Circular passage is tightly connected close to the outside of the end of blast fence and blast fence, and inside is provided with the gas flow opening towards central cylinder；Central through hole is provided on blast fence, central cylinder is connected with air extractor.By cleaner provided by the utility model, the cyclone dust collectors in the prior art lower technical problem of existing separative efficiency in the process of running is alleviated.

Description

Dust removal equipment and dust removal system

Technical Field

The utility model belongs to the technical field of the technique of environmental protection equipment and specifically relates to a dust collecting equipment and dust pelletizing system is related to.

Background

In industrial production and life, dust particles are generated in many places; the concentration of particulate matter suspended in air in excess of a certain level can affect process safety and personnel health, and for this reason it is important to control the concentration of particulate matter in air. One important means of controlling the concentration of particulate matter in air is dust removal technology. The dust removal technology is divided into contact dust removal and non-contact dust removal. The contact type dust removal mode is represented by a filter material, has the characteristics of high dust removal efficiency and small resistance, but needs frequent cleaning and replacement in occasions with high dust concentration, and has higher maintenance and operation cost. The non-contact dust removal modes are various, such as a gravity settling chamber, an inertial dust remover, a cyclone dust remover and an electrostatic dust remover; compared with contact type dust removal, the non-contact type dust removal has the characteristics of simple maintenance, lower operation cost and the like. Different types of dust collectors adopting a non-contact dust removal mode are suitable for different occasions. The dust removing mechanism of the cyclone dust collector is that the dust-containing airflow makes rotary motion, the dust particles are separated from the airflow by means of centrifugal force, and then the dust particles fall by means of gravity; compared with other types of dust collectors, the cyclone dust collector has the advantages of simple structure, easy manufacture, installation and maintenance management, low equipment investment and operation cost, and wide application in separating solid and liquid particles from gas flow or separating solid particles from liquid.

However, the cyclone dust collector in the prior art has the technical problem of low separation efficiency in the operation process.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust collecting equipment and dust pelletizing system to alleviate the lower technical problem of separation efficiency that cyclone among the prior art exists at the operation in-process.

The utility model provides a first aspect provides a dust collecting equipment, the utility model provides a dust collecting equipment includes: the annular channel, the central cylinder and the airflow baffle plate; the opening at one end of the annular channel and the opening at one end of the central cylinder body face to the same side of the airflow baffle, and the central cylinder body is positioned in the center of the annular channel; the outer wall of the inner side of the annular channel is hermetically connected with the outer wall of the central cylinder; the outer side of the end part of the annular channel close to the airflow baffle is hermetically connected with the airflow baffle, and the inner side of the annular channel is provided with an airflow opening facing the central cylinder; the airflow baffle is provided with a central through hole which faces to the opening of the central cylinder; the central cylinder is connected with an air extractor which is used for driving the air flow to move from one end of the central cylinder close to the air flow baffle to one end far away from the air flow baffle.

Furthermore, the dust removing equipment provided by the utility model comprises a static pressure box, the static pressure box is arranged into a ring shape matched with the annular channel, and the static pressure box is communicated with one end of the annular channel far away from the airflow baffle; the static pressure box is provided with an airflow inlet.

Further, the annular channel comprises a plurality of airflow guide pipes, one end of each airflow guide pipe is communicated with the static pressure box, and the other end of each airflow guide pipe extends to the airflow baffle; a plurality of air flow conduits are circumferentially distributed about the axis of the central cylinder.

Furthermore, a plurality of airflow guide pipes from the static pressure box to the airflow baffle plate are inclined clockwise around the center of the central cylinder; alternatively, the plurality of flow conduits from the plenum box to the flow baffle are all inclined counterclockwise about the center of the central cylinder.

Furthermore, the utility model provides a dust collecting equipment includes the atomizing sprinkler, and the atomizing sprinkler is connected with the static pressure case for along upwards direction spraying water smoke in to the static pressure case.

Furthermore, the atomizing sprayer comprises an annular spraying head, the annular spraying head is arranged below the static pressure box, and a plurality of spraying holes are formed in the connecting surface of the annular spraying head and the static pressure box.

Further, the atomizing sprinkler comprises a plurality of atomizing sprinkler heads, the atomizing sprinkler heads can spray water mist to the static pressure tank along the upward direction, and the plurality of atomizing sprinkler heads are distributed circumferentially around the axis of the central cylinder.

Furthermore, one side of the airflow baffle plate, which deviates from the central cylinder body, is connected with a dust collecting funnel, and the dust collecting funnel is communicated with the central through hole.

Further, the utility model provides a dust collecting equipment still includes the basin, and dust collecting funnel's bottom stretches into in the basin.

The utility model discloses the second aspect provides a dust pelletizing system, the utility model provides a dust pelletizing system includes foretell dust collecting equipment.

The utility model provides a dust collecting equipment and dust pelletizing system relates to environmental protection equipment's technical field. The utility model provides a dust collecting equipment includes: the annular channel, the central cylinder and the airflow baffle plate; the opening at one end of the annular channel and the opening at one end of the central cylinder body face to the same side of the airflow baffle, and the central cylinder body is positioned in the center of the annular channel; the outer wall of the inner side of the annular channel is hermetically connected with the outer wall of the central cylinder; the outer side of the end part of the annular channel close to the airflow baffle is hermetically connected with the airflow baffle, and the inner side of the annular channel is provided with an airflow opening facing the central cylinder; the airflow baffle is provided with a central through hole which faces to the opening of the central cylinder; the central cylinder is connected with an air extractor which is used for driving the air flow to move from one end of the central cylinder close to the air flow baffle to one end far away from the air flow baffle. Use the utility model provides a particulate matter among the dust collecting equipment separation dusty gas, the one end that airflow baffle was kept away from to dusty gas from annular channel gets into, and annular channel guide dusty gas moves to airflow baffle.

The dust-containing gas collides with the airflow baffle, and part of the particles in the dust-containing gas are stuck on the airflow baffle; the direction of the dust-containing gas is adjusted to flow along the direction of the air flow baffle plate to the central through hole under the guidance of the air flow baffle plate; under the drive of the air extracting device, airflow flowing along the central cylinder towards one end far away from the airflow baffle is formed between the central cylinder and the airflow baffle; under the combined action of the air flow moving along the air flow baffle and the air flow moving along the central cylinder in the direction far away from the air flow baffle, a rotating air flow is formed in the space between the central cylinder and the air flow baffle. The particles in the dust-containing gas are separated out under the action of centrifugal force and fall towards the airflow baffle. Discharging a part of the falling particles through the central through hole; a part of the falling particles fall to the airflow baffle plate and are condensed with the particles on the airflow baffle plate, the particle size of the particles is increased, and the particles move to the central through hole and are discharged from the central through hole.

The dust removing equipment provided by the utility model moves dust-containing gas from the annular channel to the airflow baffle plate and then moves towards the direction far away from the airflow baffle plate through the central cylinder body; dusty gas collides the air baffle on, and partial particulate matter is detained on the air baffle and is separated out, and partial particulate matter separates out under the cyclone airflow effect, has improved the efficiency of separating the particulate matter from dusty gas to the lower technical problem of separation efficiency that cyclone among the prior art exists at the operation in-process has been alleviated.

The dust removing system and the dust removing equipment have the same advantages compared with the prior art, and are not described again.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a dust removing device provided by an embodiment of the present invention.

Icon: 01-a central cylinder; 011-a fan; 02-annular channel; 03-airflow baffle; 031-a central through hole; 041-inner cylinder; 042-outer cylinder; 043-sealing plate; 05-static pressure box; 051-gas stream inlet; 061-annular sprinkler; 062-annular water tank; 07-dust collecting funnel.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a first aspect provides a dust collecting equipment, the embodiment of the utility model provides a dust collecting equipment includes: an annular channel 02, a central cylinder 01 and an airflow baffle 03; an opening at one end of the annular channel 02 and an opening at one end of the central cylinder 01 face to the same side of the airflow baffle 03, and the central cylinder 01 is located in the center of the annular channel 02; the outer wall of the inner side of the annular channel 02 is hermetically connected with the outer wall of the central cylinder 01; the outer side of the end part of the annular channel 02 close to the airflow baffle 03 is hermetically connected with the airflow baffle 03, and the inner side of the annular channel is provided with an airflow opening facing the central cylinder 01; the airflow baffle 03 is provided with a central through hole 031, and the central through hole 031 faces the opening of the central cylinder 01; the central cylinder 01 is connected with an air extracting device which is used for driving the air flow to move from one end of the central cylinder 01 close to the air flow baffle 03 to one end far away from the air flow baffle 03.

Specifically, use the embodiment of the utility model provides a dust collecting equipment separates the particulate matter among the dirty gas, and the one end that airflow baffle 03 was kept away from to dirty gas from annular channel 02 gets into, and annular channel 02 guide dirty gas moves to airflow baffle 03.

The dust-containing gas collides with the airflow baffle 03, and part of the particles in the dust-containing gas are adhered to the airflow baffle 03; the direction of the dust-containing gas is adjusted to flow along the direction of the air flow baffle 03 towards the central through hole 031 under the guidance of the air flow baffle 03; under the driving of the air extracting device, air flow flowing along the direction from the central cylinder 01 to one end far away from the air flow baffle 03 is formed between the central cylinder 01 and the air flow baffle 03; under the combined action of the air flow moving along the air flow baffle 03 and the air flow moving along the central cylinder 01 in the direction away from the air flow baffle 03, a rotating air flow is formed in the space between the central cylinder 01 and the air flow baffle 03. The particles in the dust-laden gas are separated out under the action of centrifugal force and fall towards the gas flow baffle 03. A part of the falling particles are discharged through the central through hole 031; a part of the falling particles fall to the airflow baffle 03, and are aggregated with the particles on the airflow baffle 03, and the particle size of the particles increases and moves toward the central through hole 031, and is discharged from the central through hole 031.

In the dust removing device provided by the embodiment of the utility model, the dust-containing gas moves from the annular channel 02 to the airflow baffle 03 and then moves to the direction far away from the airflow baffle 03 through the central cylinder 01; dusty gas collides the air current baffle 03 on, and partial particulate matter is detained on air current baffle 03 and is separated, and partial particulate matter separates under the cyclone air current effect, has improved the efficiency of separating the particulate matter from dusty gas.

In some embodiments, referring to fig. 1, the dust removing apparatus provided in the embodiments of the present invention includes an inner cylinder 041, an outer cylinder 042 and a sealing plate 043, wherein one end of the outer cylinder 042 abuts against and is connected to the airflow baffle 03 in a sealing manner; the inner cylinder 041 is arranged in the outer cylinder 042 and sleeved outside the central cylinder 01, and an annular channel 02 is formed between the inner cylinder 041 and the outer cylinder 042; a gap is arranged between the inner cylinder 041 and the airflow baffle 03, and the airflow in the annular channel 02 can penetrate out of the inner cylinder 041 through the gap to form an airflow opening; the sealing plate 043 is connected between the inner cylinder 041 and the central cylinder 01 to prevent the air flow from passing between the central cylinder 01 and the inner cylinder 041, so that the inner outer wall of the annular channel 02 is hermetically connected with the outer wall of the central cylinder 01.

In some embodiments, the inner barrel 041, the outer barrel 042 and the central barrel 01 are all circular barrels.

In some embodiments, the face of the airflow baffle 03 facing the central cylinder 01 is planar. The distance from the central cylinder 01 to the airflow baffle 03 is greater than the distance from the inner cylinder 041 to the airflow baffle 03.

In some embodiments, the airflow baffle 03 is inclined from the outer side edge to the center in a direction away from the central cylinder 01.

The axis of the central cylinder 01 is arranged along the vertical direction, the airflow baffle 03 is positioned below the central cylinder 01, and the airflow baffle 03 inclines downwards from the outer side edge to the center. Thus, the particles on the airflow baffle 03 can move towards the central through hole 031.

In some embodiments, the air extractor device comprises a fan 011 disposed in the central cylinder 01 at an end of the central cylinder 01 away from the airflow baffle 03. When the fan 011 operates, the air flow in the central cylinder 01 is driven to move towards the direction far away from the air flow baffle 03.

In some embodiments, the air-extracting device includes a vacuum pump, and the vacuum pump is connected to an end of the central cylinder 01 away from the airflow baffle 03 to drive the airflow in the central cylinder 01 to move in a direction away from the airflow baffle 03.

Furthermore, the dust removing device provided by the embodiment of the utility model comprises a static pressure box 05, the static pressure box 05 is arranged in a ring shape matched with the annular channel 02, and the static pressure box 05 is communicated with one end of the annular channel 02 far away from the airflow baffle 03; the static pressure box 05 is provided with an airflow inlet 051.

Particularly, the static pressure box 05 has a buffering effect on the airflow, so that the airflow entering the annular channel 02 is more uniform and stable, and the dust-containing gas can smoothly flow in the annular channel 02 and the central cylinder 01, thereby being beneficial to the stability of the separation effect of the particles.

Specifically, the connecting surface of the static pressure box 05 and the annular channel 02 is provided with an annular hole, which surrounds the inner cylinder 041 and communicates the static pressure box 05 and the annular channel 02. The gas flow enters the static pressure box 05 through the gas flow inlet 051 and then enters the annular channel 02 through the annular hole.

In some embodiments, the airflow inlets 051 are arranged on the side wall of the static pressure box 05, and the extending direction of the airflow inlets 051 is staggered with the center of the central cylinder 01. The air flow enters the static pressure box 05 through the air flow inlet 051, and the air flow has a partial velocity along the tangential direction of the central cylinder 01, so that the rotary air flow is formed.

In some embodiments, the direction of extension of the gas flow inlet 051 is parallel to the tangential direction of the outer wall of the plenum box 05.

Further, the annular channel 02 comprises a plurality of air flow conduits, one end of each air flow conduit is communicated with the static pressure box 05, and the other end of each air flow conduit extends to the air flow baffle 03; a plurality of gas flow conduits are distributed circumferentially about the axis of the central cylinder 01.

Specifically, the airflow guide pipe surrounds the outside of the central cylinder 01 and has a guiding effect on airflow; the airflow can be adjusted by adjusting the density of the airflow conduits distributed circumferentially about the axis of the central cylinder 01.

In some embodiments, the plurality of gas flow conduits are evenly distributed circumferentially about the axis of the central cylinder 01.

In some embodiments, a dust extraction apparatus is provided that includes a plenum box 05, a first seal plate, a plurality of second seal plates, and a plurality of airflow conduits. The two ends of the airflow guide pipe are respectively fixedly connected with the static pressure box 05 and the airflow baffle 03; the connecting surface of the static pressure box 05 and the airflow guide pipe is provided with a plurality of through holes matched with the openings of the airflow guide pipe, and the through holes are communicated with the airflow guide pipe and the static pressure box 05; the end of the air flow duct near the air flow baffle 03 facing the central cylinder 01 is provided with an opening through which the air flow in the air flow duct can flow out of the air flow duct and move towards the central cylinder 01. The first sealing plate is connected between the airflow guide pipe and the central cylinder body 01 and is used for preventing airflow from flowing between the airflow guide pipe and the central cylinder body 01 along the length direction of the central cylinder body 01; the second sealing plates are respectively connected between two adjacent airflow guide pipes, and two ends of each second sealing plate are respectively connected with the static pressure box 05 and the airflow baffle 03 in a sealing manner, so that the airflow flowing out of the airflow guide pipes is prevented from flowing to the outer side of the annular channel 02.

Furthermore, a plurality of air flow guide pipes from the static pressure box 05 to the air flow baffle 03 are inclined clockwise around the center of the central cylinder 01; alternatively, the plurality of air flow conduits from the plenum box 05 to the air flow baffle 03 are all inclined in a counter-clockwise direction about the center of the central cylinder 01.

Specifically, the airflow guide pipes surround the central cylinder 01 and are inclined towards the same direction, and the airflow flowing to the airflow baffle 03 through the airflow guide pipes has a circumferential component velocity around the central line of the central cylinder 01, so that the airflow can move towards the central cylinder 01 after colliding with the airflow baffle 03 to form rotating airflow.

In some embodiments, the direction of inclination of the air flow conduit from the plenum 05 to the air flow baffle 03 is aligned with the direction of extension of the air flow inlet 051 on the plenum 05 into the plenum 05.

Furthermore, the embodiment of the utility model provides a dust collecting equipment includes the atomizing sprinkler, and the atomizing sprinkler is connected with static pressure case 05 for spray water smoke along the ascending direction in the static pressure case 05.

Specifically, the dust-containing gas enters the static pressure box 05 from the side surface of the static pressure box 05, the water mist sprayed by the atomizing sprayer moves from the bottom to the top of the static pressure box 05, the moving direction of the water mist is staggered with the moving direction of the dust-containing gas, the water mist collides with the dust-containing gas, and part of the water mist is condensed with particles in the dust-containing gas; the particle size of the particulate matter combined with the water mist is increased, the mass is increased, the viscosity is increased, and the particulate matter is more easily stuck to the airflow baffle 03 and separated from the dust-containing gas.

In the process of moving from the bottom to the top of the static pressure box 05, part of the water mist does not agglomerate with the particles in the dust-containing gas, and the water mist can move towards the bottom of the static pressure box 05 under the action of self gravity and collide with the dust-containing gas again to agglomerate with the particles, so that the water mist and the particles in the dust-containing gas are promoted to agglomerate fully, and the separation of the particles in the dust-containing gas is facilitated.

The particle size of the particles agglomerated on the airflow baffle 03 gradually increases; on water smoke and the drop of water that condenses fallen to airflow baffle 03, formed the rivers that flow to central through-hole 031 on airflow baffle 03, rivers drive the particulate matter and discharge from central through-hole 031, are favorable to the particulate matter to discharge smoothly, reduce the particulate matter and store up on airflow baffle 03.

Further, the atomizing sprayer comprises an annular spraying head 061, the annular spraying head 061 is arranged below the static pressure box 05, and a plurality of spraying holes are formed in the connecting surface of the annular spraying head 061 and the static pressure box 05.

Specifically, the annular sprinkler head 061 is sleeved outside the annular channel 02, and the top surface of the annular sprinkler head 061 is attached to the bottom surface of the static pressure box 05; the plurality of spraying holes are communicated with the annular inner cavities of the static pressure box 05 and the annular spraying head 061 and are uniformly distributed on the annular connecting surface of the annular spraying head 061 and the static pressure box 05 at intervals. The water mist sprayed through the spray holes is sprayed toward the top surface of the static pressure tank 05.

In some embodiments, the annular sprinkler 061 is connected to the annular water tank 062, and the annular water tank 062 is sleeved outside the annular channel 02 and is located at one end of the annular sprinkler 061 away from the static pressure tank 05; the annular water tank 062 communicates with the annular sprinkler head 061 at an end remote from the plenum box 05. The ring-shaped water tank 062 is connected with a water pump that supplies water to the ring-shaped water tank 062 and provides a driving force to drive the water into the ring-shaped sprinkler heads 061 to be sprayed through the sprinkler holes.

Water is sprayed out of the annular spraying head 061, so that water mist entering the static pressure tank 05 is distributed more uniformly, and the water mist and particles in the dust-containing gas are condensed.

The embodiment of the utility model provides a dust collecting equipment compact structure, occupation space is little, the transport of being convenient for.

As another embodiment, the atomizing sprinkler includes a plurality of atomizing sprinklers for spraying water mist in an upward direction into the static pressure tank 05, the plurality of atomizing sprinklers being circumferentially distributed around the axis of the central cylinder 01.

In particular, a plurality of atomising sprinklers, distributed around the annular channel 02, are connected to the bottom of the plenum box 05; the connection surface of each atomizing spray head and the static pressure box 05 is provided with a spray hole. Each atomizing sprinkler head is respectively connected with a water pump, and each atomizing sprinkler head can respectively control a switch, so that the position distribution of the water mist entering the static pressure box 05 can be conveniently adjusted.

Further, one side of the airflow baffle 03 departing from the central cylinder 01 is connected with a dust collecting funnel 07, and the dust collecting funnel 07 is communicated with the central through hole 031.

Specifically, the end of the dust collecting funnel 07 with the larger inner diameter is connected with the airflow baffle 03; the internal diameter of collection dirt funnel 07 reduces from the upper end to the lower extreme gradually, and the particulate matter of being convenient for to separate from the dusty gas gets into collection dirt funnel 07 through central through-hole 031, slides along collection dirt funnel 07 to collection dirt funnel 07's bottom and collects.

Further, the embodiment of the utility model provides a dust collecting equipment still includes the basin, and dust collecting funnel 07's bottom stretches into in the basin.

Specifically, the water tank is disposed below the dust collection funnel 07. The water tank holds water, and the bottom of the dust collecting funnel 07 extends below the liquid level. The water may plug the bottom of the dust collecting funnel 07 and prevent the air flow from moving into the dust collecting funnel 07 through the central through hole 031. The particulate matter enters the water tank through the dust collection funnel 07, reducing the backlog of particulate matter in the dust collection funnel 07.

In some embodiments, the water in the tank flows in one direction, carrying the particulate matter along, and thus transporting the particulate matter away in time.

The embodiment of the utility model provides a second aspect provides a dust pelletizing system, the embodiment of the utility model provides a dust pelletizing system includes foretell dust collecting equipment.

Specifically, the embodiment of the utility model provides a dust pelletizing system still includes gaseous device, gaseous detection device and the gas discharge device of sending into. The gas feeding device is communicated with a gas inflow port 051 in the dust removing equipment and is used for conveying dust-containing gas into the static pressure box 05 through the gas inflow port 051; the gas detection device is arranged in the dust removing equipment, and one end of the central cylinder 01, which is far away from the airflow baffle 03, is communicated with the gas detection device and is used for detecting the concentration of particulate matters in the dust-containing gas passing through the dust removing equipment; the gas discharge device is communicated with one end of the central cylinder 01 far away from the gas flow baffle 03 and is used for conveying and discharging the treated dust-containing gas to the outside.

In some embodiments, the dust removing system provided by the embodiment of the utility model comprises a plurality of dust removing devices, which are arranged in sequence; in two adjacent dust collecting equipment, the airflow inlet 051 of one dust collecting equipment is communicated with one end, far away from the airflow baffle 03, of the central cylinder 01 in the other dust collecting equipment. Dusty gas passes through a plurality of dust collecting equipment in proper order, and wherein particulate matter has improved the dust removal effect to dusty gas through separation processing many times.

Finally, it should be noted that: the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A dust removing apparatus, characterized by comprising: the annular channel, the central cylinder and the airflow baffle plate;

one end opening of the annular channel and one end opening of the central cylinder both face to the same side of the airflow baffle, and the central cylinder is positioned in the center of the annular channel; the outer wall of the inner side of the annular channel is hermetically connected with the outer wall of the central cylinder;

the outer side of the end part of the annular channel close to the airflow baffle is hermetically connected with the airflow baffle, and the inner side of the annular channel is provided with an airflow opening facing the central cylinder;

the airflow baffle is provided with a central through hole, and the central through hole faces to the opening of the central cylinder;

the central cylinder is connected with an air extracting device, and the air extracting device is used for driving air flow to move from one end, close to the air flow baffle, of the central cylinder to one end, far away from the air flow baffle.

2. The dusting apparatus of claim 1 comprising a plenum box arranged in an annular shape to mate with the annular channel, the plenum box communicating with an end of the annular channel remote from the airflow baffle; an airflow inlet is arranged on the static pressure box.

3. A dusting apparatus according to claim 2 wherein the annular channel comprises a plurality of air flow conduits communicating with the plenum box at one end and extending to the air flow baffle at the other end;

a plurality of the gas flow conduits are distributed circumferentially about the axis of the central cylinder.

4. A dusting apparatus according to claim 3 wherein a plurality of the air flow conduits from the plenum box to the air flow baffle are all inclined clockwise about the center of the central cylinder;

or,

the plurality of air flow conduits from the plenum box to the air flow baffle are all inclined counterclockwise about the center of the central cylinder.

5. A dust-removing apparatus according to claim 3, characterized in that the dust-removing apparatus comprises an atomizing sprinkler connected to the static pressure tank for spraying water mist in an upward direction into the static pressure tank.

6. A dust-collecting device according to claim 5, characterized in that the atomizing sprinkler comprises an annular sprinkler head which is arranged below the static pressure box, the connection face of the annular sprinkler head to the static pressure box being provided with a plurality of spray apertures.

7. A dusting apparatus according to claim 5 whereby the atomizing spray comprises a plurality of atomizing spray heads which spray water mist in an upward direction into the static pressure tank, the plurality of atomizing spray heads being distributed circumferentially around the axis of the central cylinder.

8. The dusting apparatus of claim 1 where a dust collection funnel is connected to a side of the airflow baffle facing away from the central cylinder, the dust collection funnel communicating with the central through hole.

9. The dust removing apparatus of claim 8, further comprising a water tank into which a bottom of the dust collection funnel protrudes.

10. A dusting system, characterized in that it comprises a dusting apparatus according to any of claims 1-9.