CN116351569B - Centrifugal inertia self-cleaning device - Google Patents

Abstract

The application discloses a centrifugal inertia self-cleaning device, which relates to the technical field of flue gas treatment and comprises a filter cartridge, a collecting box and an air pump, wherein the collecting box is communicated and fixed at the bottom of the filter cartridge; the outside of the filter cartridge is provided with an air inlet and an air outlet, and four filter plates are fixed in the filter cartridge; the air pump is communicated with the air outlet; the air outlet and the air inlet are respectively fixed on the side walls of opposite positions on the filter cartridge; a motor is coaxially fixed at the inner top of the filter cartridge, a motor spindle is fixed with a cylindrical center column extending to the bottom of the filter cartridge, and a bottom cover is hinged at the position of the bottom of the filter cartridge, which is communicated with the collecting box; the filter plates are vertically arranged, four filter plates are straight plates and are mutually perpendicular, one side of each filter plate is attached to the inner side surface of the filter cylinder, and the other side of each filter plate is attached to and positioned on the side surface of the central column; the center column can drive the filter plate to rotate; a round sealing plate is vertically fixed on the central column; the technical problem that the filter plate in the prior art needs manual cleaning by a person is solved, and the technical effect of automatically cleaning dust of the filter plate is achieved.

Description

Centrifugal inertia self-cleaning device

Technical Field

The invention relates to the technical field of flue gas treatment, in particular to a centrifugal inertia self-cleaning device.

Background

The integrated technology integrates desulfurization, waste heat recovery, dehydration, dust removal and denitration into a box body, so that the conventional flue gas purification technology increases the occupied area and the investment cost, increases the operation cost, reduces the income of manufacturers, and the integrated flue gas purification equipment reduces the occupied area, the investment cost and the operation cost of owners and increases the income for the owners;

The integrated flue gas purification equipment is provided with a denitration module, a dehydration dust removal module, a desulfurization atomization module and a waste heat recovery module, wherein a filter plate for electrostatic dust removal in the prior art of the dehydration dust removal module is often subjected to long-time adsorption purification in the use process, so that particles on the adsorption surface of a purification mechanism of the flue gas machine equipment are accumulated and thickened, the working efficiency of a dust removal device is greatly influenced, serious even standard-reaching emission requirements cannot be met, the cleaning work for the electrostatic purification equipment is finished by manpower at present, and the normal operation of the purification equipment is influenced due to the fact that the cleaning effect is uneven and even the installation is unreasonable after the cleaning is faced by manual cleaning, so that the self-cleaning device is required to be invented to solve the problems.

Disclosure of Invention

The embodiment of the application solves the technical problem that the filter plate in the prior art needs manual cleaning by a person by providing the centrifugal inertial self-cleaning device, and achieves the technical effect of automatically cleaning dust of the filter plate.

The embodiment of the application provides a centrifugal inertia self-cleaning device, which comprises a filter cartridge, a collecting box and an air pump, wherein the collecting box is communicated and fixed at the bottom of the filter cartridge; the outside of the filter cartridge is provided with an air inlet and an air outlet, and four filter plates are fixed in the filter cartridge; the air pump is communicated with the air outlet;

the filter cartridge is a cylindrical container, and the air outlet and the air inlet are respectively fixed on the side walls of opposite positions on the filter cartridge;

The motor with a vertical downward main shaft is coaxially fixed at the inner top of the filter cartridge, the main shaft of the motor is fixedly provided with a cylindrical center column extending to the bottom of the filter cartridge, and a bottom cover is hinged at the position of the bottom of the filter cartridge, which is communicated with the collecting box;

the filter plates are vertically arranged, four filter plates are straight plates and are mutually vertical, one side of each filter plate is attached to the inner side surface of the filter cylinder, and the other side of each filter plate is attached to and positioned on the side surface of the central column; the center column can drive the filter plate to rotate; the top and the bottom of the filter plate are respectively attached with a sealing plate and a bottom cover;

A round sealing plate is vertically fixed on the central column, is attached to the inner surface of the filter cartridge and is divided into an upper part and a lower part;

When the filter plates are in a static state, two filter plates are kept between the air outlet and the air inlet at intervals.

Preferably, a circle of groove is formed in the top of the central column, close to the lower end face of the sealing plate;

A lantern ring is fixed on the upper part of one side of the filter plate, which is attached to the central column, the filter plate is coaxially sleeved in a groove of the central column through the lantern ring, and the inner surface of the lantern ring is attached to the central column; the sleeve ring is provided with limiting holes in the vertical direction, the limiting holes penetrate through the four sleeve rings and extend into the central column, an electric push rod is fixed in the central column above the limiting holes of the sleeve rings, the electric push rod can be downwards inserted into the limiting holes along the axis direction of the central column, and the length of the electric push rod reaches the bottommost part of the limiting holes;

when the electric push rod is in a contracted state, the four filter plates can rotate independently;

When the electric push rod extends out to the bottom of the limiting hole, the four filter plates are mutually perpendicular and fixed on the central column.

Preferably, the positioning magnetic blocks are embedded and fixed on the upper surface of the bottom cover, the positioning magnetic blocks are bar magnets arranged along the radial direction of the central column, the number of the positioning magnetic blocks is four, the four positioning magnetic blocks respectively correspond to the position right below the filter plate when the filter plate is in a rest position, the electromagnet is fixed at the position where the bottom of the filter plate is attached to the positioning magnetic blocks, and when the filter plate rotates independently, the positioning magnetic blocks can be adsorbed by the electromagnet so as to return to the rest position for filtering flue gas.

Preferably, the middle parts of two opposite sides of the filter plates are respectively provided with a shock guide plate along the radial direction of the central column, the shock guide plates are fixedly provided with a plurality of collision rods, the collision rods are arc-shaped rods, the collision rods and the filter plates are integrally formed, the opposite surfaces of two adjacent filter plates can enable the tail ends of the collision rods to collide together in the process of approaching, the two opposite collision rods are clung to each other and then are positioned on the same ring, the ring is coaxial with the central column, and the collision rods are uniformly arranged on the shock guide plates along the radial direction of the central column.

Preferably, the end of the opposite collision rod is fixed with an electromagnetic collision block, the electromagnetic collision block is a strong electromagnet, and when the electromagnetic collision block is electrified, the electromagnetic collision block on the opposite collision rod can be attracted; the shock-conducting plate and the opposite collision rod are both made of hard materials.

Preferably, the inside of the central column is hollow, a through hole is formed in the side surface of the central column, which is close to the upper end surface of the sealing plate, a gas storage bag is fixedly covered on the upper end surface of the sealing plate, the gas storage bag is an elastic bag body, the center of the gas storage bag is fixedly arranged above the side surface through hole of the central column and below the motor, a closed cavity is formed between the gas storage bag and the central column and between the gas storage bag and the sealing plate, and the closed cavity is communicated with the inner space of the central column through the side surface through hole of the central column;

the sealing plate is provided with a plurality of through holes, electromagnetic valves are fixed in the through holes, and the electromagnetic valves are one-way valves.

Preferably, the bottom cover is a circle formed by two semicircular flip covers, and a through hole is formed in the center of the bottom cover; the bottom end of the central column is rotatably and fixedly connected with an elbow through a rotary joint, the rotary joint is attached to a through hole in the center of the bottom cover, the elbow is positioned in a collecting box, and the tail end of the elbow passes through the collecting box and is communicated with the outside air; the inner space of the central column is communicated with the bent pipe;

Every set up the slip chamber between two shock-conducting plates on the filter, the one end that the slip chamber is close to the center post is equipped with the opening, shock-conducting plate is along perpendicular to filter direction sliding connection in the slip intracavity, the outer both sides of slip chamber are fixed with L shape stopper for the limit shock-conducting plate prevents that the shock-conducting plate breaks away from the filter.

Preferably, an air storage bag is arranged in the sliding cavity, the air storage bag is cylindrical in an uninflated state, and is made of elastic rubber material, and the air storage bag can rebound to a cylindrical state after being deformed, so that a cavity is formed in the air storage bag; the air storage bag is close to one end opening of the center column, the air storage bag opening extends and penetrates through the opening of the sliding cavity to be fixed on the center column, through holes are correspondingly formed in the center column, the air storage bag inner cavity is communicated with the inside of the center column, and the parts, in contact with the shock guide plates, of the air storage bag are mutually adhered and fixed, so that the position deviation of the air storage bag is prevented.

Preferably, the elastic force of the part of the air storage bag extending to the central column is larger than that of other parts of the air storage bag, so that the magnetic blocks can be assisted to be positioned after the filter plate collides so as to enable the filter plate to return to the static position;

A first one-way valve capable of ventilating the upper part inside the central column is fixed below the central column inner air storage bag communicated with the central column, and a second one-way valve capable of ventilating the upper part inside the central column is fixed above the central column inner air storage bag communicated with the central column;

The air storage bags are internally fixed with separation membranes, the separation membranes divide an air storage bag internal cavity into an upper part and a lower part, the separation membranes are elastic soft membranes, the separation membranes extend towards the inside of the central column, the separation membranes in the four air storage bags are connected into a whole and divide the internal space of the central column into an upper part and a lower part in a closed manner, the center of the part of the separation membrane in the central column is fixedly provided with a third check valve, and the third check valve is used for enabling air below the central column to flow upwards;

the first check valve, the second check valve and the third check valve are common check valves and are used for enabling the gas to flow unidirectionally.

Preferably, the upper half air storage bag separated by the separation film is provided with a plurality of through holes, so that the inner cavity of the upper half air storage bag is communicated with the inner gap of the filter plate, and the through holes are fixedly covered with soft filter screens for preventing external dust from entering the air storage bag;

The sliding contact surfaces of the limiting block, the sliding cavity and the shock guide plate are wave surfaces, the wave surfaces are surfaces with wavy bulges, the wavy bulges do not influence the displacement of the shock guide plate, and the shock guide plate can enhance the shock effect of being conducted to the filter plate through the rugged of the wave surfaces;

When the filter plate collides 3 to 6 times, the electromagnetic valve is controlled to be conducted, and the gas stored in the gas storage bag is continuously sprayed downwards through the electromagnetic valve to wash the filter plate.

One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:

through vertically placing the filter of prior art and sealing in the cavity, the rethread motor drives the rotatory centrifugal force that produces of filter, has solved the filter among the prior art and has needed the manual abluent technical problem of people, has realized the technical effect of automatically cleaning filter dust.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an integrated flue gas cleaning device;

FIG. 2 is a schematic diagram of the front internal structure of the centrifugal inertial self-cleaning device of the present invention;

FIG. 3 is a schematic diagram showing the internal structure of the centrifugal inertial self-cleaning device according to the present invention;

FIG. 4 is a schematic top view of the centrifugal inertial self-cleaning device of the present invention;

FIG. 5 is a schematic diagram showing the opening of the bottom cover and the expansion of the air reservoir in front view of the centrifugal inertial self-cleaning device of the present invention;

FIG. 6 is a schematic sectional view of the centrifugal inertial self-cleaning device of the present invention in section A;

FIG. 7 is a schematic top view of the bottom cover of the centrifugal inertial self-cleaning device of the present invention;

FIG. 8 is a schematic top view of a clash lever collision of the centrifugal inertial self-cleaning device of the present invention;

FIG. 9 is a schematic side view of a bent pipe of the centrifugal inertial self-cleaning device of the present invention;

FIG. 10 is a schematic side cross-sectional view of a center post and a sliding chamber of the centrifugal inertial self-cleaning device of the present invention;

FIG. 11 is a schematic top cross-sectional view of a sliding chamber of the centrifugal inertial self-cleaning device of the present invention;

FIG. 12 is a schematic view of the air reservoir of the centrifugal inertial self-cleaning device of the present invention being squeezed;

FIG. 13 is an enlarged schematic view of the structure of the area B of the centrifugal inertial self-cleaning device of the present invention;

Fig. 14 is a schematic top view of a filter plate of the centrifugal inertial self-cleaning device of the present invention.

In the figure:

100. A filter cartridge; 110. an air inlet; 120. an air outlet; 130. a motor; 140. a center column; 141. an electric push rod; 142. a rotary joint; 150. a bottom cover; 151. positioning a magnetic block;

200. A filter plate; 210. a collar; 211. a limiting hole; 220. a butt-collision rod; 230. a shock-conducting plate; 240. an electromagnetic impact block; 250. a sliding chamber; 251. a limiting block; 252. a wave surface; 260. an air storage bag; 261. a separation membrane; 270. a first check valve; 280. a second check valve; 290. a third check valve;

300. A collection box; 310. bending the pipe; 320. a blow-down pipe;

400. a sealing plate; 410. an electromagnetic valve; 420. an air storage bag;

500. An air pump;

600. A denitration module;

700. a dehydration and dust removal module;

800. A desulfurization atomization module;

900. And the waste heat recovery module.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings; the preferred embodiments of the present application are illustrated in the drawings, but the present application can be embodied in many different forms and is not limited to the embodiments described herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right", and the like are used herein for illustrative purposes only and do not represent the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 2, a schematic diagram of the front internal structure of the centrifugal inertial self-cleaning device according to the present application includes a filter cartridge 100, a collection tank 300 connected and fixed to the bottom of the filter cartridge 100, and an air pump 500; the filter cartridge 100 is externally provided with an air inlet 110 and an air outlet 120, and four filter plates 200 are fixed inside the filter cartridge 100; the filter plate 200 is driven to rotate by the center column 140; the top and bottom of the filter plate 200 are respectively attached with the sealing plate 400 and the bottom cover 150; through vertically placing the filter 200 of prior art and sealing in the cavity, rethread motor 130 drives the rotatory centrifugal force that produces of filter 200 and throws away the dust, has solved the filter among the prior art and need the manual abluent technical problem of people, has realized the technological effect of automatically cleaning filter dust.

Example 1

As shown in fig. 1 to 5, the centrifugal inertia self-cleaning device of the present application is provided in an integrated flue gas cleaning apparatus, which includes a denitration module 600, a dehydration dust removal module 700, a desulfurization atomization module 800, and a waste heat recovery module 900; as shown in fig. 1, flue gas enters an integrated flue gas purifying device from a point a, the lowest layer of the integrated flue gas purifying device is a waste heat recovery module 900, a desulfurization and atomization module 800 is arranged above the waste heat recovery module 900, a dehydration and dust removal module 700 is fixed on one side above the desulfurization and atomization module 800, and a denitration module 600 is fixed above the dehydration and dust removal module 700; the flue gas can enter each module in turn for purification according to the property requirement;

the dehydration and dust removal module 700 comprises the centrifugal inertia self-cleaning device, and the centrifugal inertia self-cleaning device comprises a filter cartridge 100, a collecting box 300 and an air pump 500 for removing dust from flue gas;

the outside of the filter cartridge 100 is provided with an air inlet 110 and an air outlet 120, four filter plates 200 are fixed in the filter cartridge 100, and the filter plates 200 are adsorption devices for electrostatic adsorption of smoke dust particles;

The collecting box 300 is fixed at the bottom of the filter cartridge 100, the collecting box 300 is used for accommodating dust particles falling after the filter plates 200 are cleaned, and a drain pipe 320 is fixedly communicated with one side of the collecting box 300 and used for discharging the dust in the collecting box 300 into the processing container;

The air pump 500 is communicated with the air outlet 120 and is used for sucking air in the filter cartridge 100, the air inlet 110 is communicated with a smoke exhaust pipeline, and the smoke in the filter cartridge 100 is sucked out through the air pump 500;

The upper part of the filter cartridge 100 is a cylindrical container, the lower part of the filter cartridge is an inverted truncated cone-shaped container, the air inlet 110 is fixed at the lower part of the side surface of the filter cartridge 100, and the air outlet 120 is fixed at the upper part of the side wall of the filter cartridge 100 in the opposite direction of the air inlet 110;

The motor 130 is coaxially fixed at the inner top of the filter cartridge 100, the main shaft of the motor 130 faces the bottom of the filter cartridge 100 and is fixedly extended to a cylindrical center column 140, the length of the center column 140 extends to the bottom of the filter cartridge 100, the bottom of the filter cartridge 100 is opened and is communicated into the collecting box 300, a bottom cover 150 is hinged at the opening of the bottom of the filter cartridge 100, the inside of the filter cartridge 100 is sealed when the bottom cover 150 is closed, and the bottom cover 150 is opened when dust of the filter plate 200 needs to be cleaned;

the filter plates 200 are vertically arranged, the filter plates 200 are four mutually vertical straight plates, one side of each filter plate 200 is attached to the central column 140, and the other side of each filter plate 200 is attached to the inner side face of the filter cartridge 100;

A sealing plate 400 is arranged below the motor 130, the sealing plate 400 is a circular plate, the sealing plate 400 is perpendicular to the axial direction of the central column 140, the sealing plate 400 is attached to the inner surface of the filter cartridge 100, the inner part of the filter cartridge 100 is divided into an upper part and a lower part, and the central column 140 passes through the center of the sealing plate 400 and is fixedly connected with the sealing plate 400;

One side of the filter plate 200, which is attached to the center column 140, is positioned at the side surface of the center column 140, and the filter plate 200 can rotate by taking the center column 140 as an axis under the driving of the center column 140; the top of the filter plate 200 is attached to the bottom surface of the sealing plate 400, the bottom of the filter plate 200 is attached to the upper end surface of the bottom cover 150, and a cavity is formed among the two adjacent filter plates 200, the bottom cover 150 and the sealing plate 400;

when smoke enters the air inlet 110, the filter plates 200 are in a static state, and at the moment, two filter plates 200 are kept between the air outlet 120 and the air inlet 110, so that the smoke enters the air outlet 120 after being filtered by the filter plates 200.

The implementation steps and principles of the first embodiment of the application:

S1: when the flue gas is filtered, the motor 130 does not work, the filter plates 200 are in a powered-on and static state, and two filter plates 200 are always arranged between the air inlet 110 and the air outlet 120 at intervals;

S2: when the dust accumulated on the filter plate 200 is removed, the spindle of the motor 130 drives the center column 140 to rotate, the center column 140 drives the filter plate 200 to rotate, the bottom cover 150 is opened, and the dust on the filter plate 200 is thrown away from the filter plate 200 and falls into the collecting box 300 under the action of centrifugal force and inertia.

The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:

According to the embodiment, the filter plate 200 in the prior art is vertically placed and sealed in the cavity, and the motor 130 drives the filter plate 200 to rotate to generate centrifugal force, so that the technical problem that the filter plate in the prior art needs manual cleaning is solved, and the technical effect of automatically cleaning dust of the filter plate is achieved.

Example two

Considering that the filter plate 200 of the first embodiment is capable of removing part of dust due to inertia and gravity caused by the falling of dust due to centrifugal force and speed change, some dust is difficult to be thrown out due to long-term adhesion to the filter plate 200, and thus the device needs to be improved, as shown in fig. 3 to 8, the specific structure is as follows:

a circle of grooves are formed in the top of the central column 140, which is close to the lower end face of the sealing plate 400;

A collar 210 is fixed on the upper part of one side of the filter plate 200 attached to the center column 140, the filter plate 200 is coaxially sleeved in the groove of the center column 140 through the collar 210, and the inner surface of the collar 210 is attached to the center column 140; the collar 210 is provided with a limiting hole 211 in the vertical direction, the limiting holes 211 penetrate through four collar 210 and extend into the central column 140, an electric push rod 141 is fixed in the central column 140 above the limiting holes 211 of the collar 210, the electric push rod 141 can be downwards inserted into the limiting holes 211 along the axial direction of the central column 140, and the length of the electric push rod 141 reaches the bottommost part of the limiting holes 211;

when the electric push rod 141 is in a contracted state, the four filter plates 200 can be independently rotated;

when the electric push rod 141 extends out to the bottom of the limiting hole 211, the four filter plates 200 are mutually perpendicular and fixed on the central column 140;

The positioning magnetic blocks 151 are embedded and fixed on the upper surface of the bottom cover 150, the positioning magnetic blocks 151 are bar magnets radially arranged along the central column 140, four positioning magnetic blocks 151 respectively correspond to the positions right below the filter plate 200 when the filter plate 200 is at the rest position, electromagnets are fixed at the positions, attached to the positioning magnetic blocks 151, of the bottom of the filter plate 200, and when the filter plate 200 rotates independently, the positioning magnetic blocks 151 can be adsorbed by the electromagnets so as to return to the rest position for filtering flue gas;

the middle parts of two opposite sides of the filter plate 200 are respectively positioned with a shock guide plate 230 along the radial direction of the central column 140, the shock guide plates 230 are fixedly provided with a plurality of collision rods 220, the collision rods 220 are arc-shaped rods, the collision rods 220 and the filter plate 200 are integrally formed, the opposite surfaces of two adjacent filter plates 200 can enable the tail ends of the collision rods 220 to collide together in the approaching process, the two opposite collision rods 220 are clung to each other and then are positioned on the same circular ring, the circular ring is coaxial with the central column 140, and a plurality of collision rods 220 are uniformly arranged on the shock guide plates 230 along the radial direction of the central column 140;

an electromagnetic collision block 240 is fixed at the end of the collision rod 220, the electromagnetic collision block 240 is a strong electromagnet, and when the electromagnetic collision block 240 is electrified, the electromagnetic collision block 240 on the opposite collision rod 220 can be attracted; the shock-conducting plate 230 and the collision rod 220 are made of hard materials, preferably metal coated with an insulating layer, and can conduct the shock after collision to the filter plate 200, so that dust on the filter plate 200 is shaken off.

The implementation steps and principles of the second embodiment of the application:

S1: when the dust of the filter plate 200 is removed, the electric push rod 141 is firstly positioned at the bottom of the limiting hole 211, and the motor 130 drives the filter plate 200 to rotate so as to throw most of the dust out;

s2: the motor 130 stops rotating, the electric push rod 141 is retracted upwards, and the filter plate 200 is in an independent rotating state;

s3: wherein the electromagnetic collision blocks 240 on any adjacent three filter plates 200 are conductive, and the electromagnetic collision blocks 240 on the middle filter plate 200 are electrified to generate magnetic poles opposite to the electromagnetic collision blocks 240 on the opposite sides, so that the filter plates 200 on the two sides collide with the middle filter plate 200 to shake off dust;

s4: the energized filter plates 200 are rotated so that each filter plate 200 is bumped;

S5: the electromagnet at the bottom of the filter plate 200 is electrified, so that the filter plate 200 is attracted by the positioning magnetic block 151 to return to the static position when the smoke is filtered, and the electric push rod 141 is led down to the bottom of the limiting hole 211, so that the dust removal is finished.

The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:

According to the embodiment, the filter plate 200 is independently rotated, and the opposite collision rod 220 is arranged on the filter plate 200, so that the filter plate 200 collides, the technical problem that stubborn dust still remains after centrifugal movement of the filter plate in the first embodiment is solved, and the technical effect that the efficiency of removing the residual dust by the centrifugal inertial self-cleaning device is higher is achieved.

Example III

Considering that the above-mentioned first and second embodiments may have some fine dust that is easy to fall into the filter plate 200 again after the collision or centrifugal movement of the opposite collision rod 220, if the air pump 500 is directly used to change the dust falling direction, the air pump 500 is required to blow down all the time, resulting in energy waste; there is therefore a need for improvements in the apparatus, as shown in fig. 4 to 14, with the following specific structure:

The inside of the central column 140 is hollow, a through hole is formed in the side surface of the central column 140, which is close to the upper end surface of the sealing plate 400, a gas storage bag 420 is fixedly covered on the upper end surface of the sealing plate 400, the gas storage bag 420 is an elastic bag body, the center of the gas storage bag 420 is fixedly arranged above the through hole on the side surface of the central column 140 and below the motor 130, a closed cavity is formed between the gas storage bag 420, the central column 140 and the sealing plate 400, and the closed cavity is communicated with the inner space of the central column 140 through the through hole on the side surface of the central column 140;

the sealing plate 400 is provided with a plurality of through holes, an electromagnetic valve 410 is fixed in the through holes, the electromagnetic valve 410 is a one-way valve, and when the electromagnetic valve 410 is opened, the internal cavity of the air storage bag 420 and the space below the sealing plate 400 can be communicated, so that the air in the air storage bag 420 washes the filter plate 200 downwards;

The bottom cover 150 is a circle formed by two semicircular flip covers, and a through hole is formed in the center of the bottom cover 150; the bottom end of the central column 140 is rotatably and fixedly connected with an elbow 310 through a rotary joint 142, the rotary joint 142 is attached to a through hole in the center of the bottom cover 150, the elbow 310 is positioned in the collecting box 300, and the tail end of the elbow 310 passes through the collecting box 300 and is communicated with the outside air; the inner space of the central column 140 is communicated with the bent pipe 310;

A sliding cavity 250 is formed between the two shock-guiding plates 230 on each filter plate 200, an opening is formed at one end of the sliding cavity 250 close to the center column 140, the shock-guiding plates 230 are slidably connected in the sliding cavity 250 along the direction perpendicular to the filter plates 200, and L-shaped limiting blocks 251 are fixed at two outer sides of the sliding cavity 250 and are used for limiting the shock-guiding plates 230 and preventing the shock-guiding plates 230 from being separated from the filter plates 200;

An air storage bag 260 is placed in the sliding cavity 250, the air storage bag 260 is cylindrical in an uninflated state, and is made of elastic rubber, and the air storage bag 260 can rebound to a cylindrical state after being deformed, so that a cavity is formed in the air storage bag; the air storage bag 260 is close to an opening at one end of the central column 140, the opening of the air storage bag 260 extends and passes through the opening of the sliding cavity 250 to be fixed on the central column 140, and a through hole is correspondingly formed in the central column 140, so that the cavity inside the air storage bag 260 is communicated with the inside of the central column 140, and the contact part of the air storage bag 260 and the shock guide plate 230 is mutually adhered and fixed to prevent the position deviation of the air storage bag 260;

The elastic force of the part of the air storage bag 260 extending to the center column 140 is larger than that of other parts of the air storage bag 260, so that the magnetic blocks 151 can be assisted to position the filter plate 200 to return to the static position after the collision of the filter plate 200;

A first check valve 270 capable of ventilating the inner upper part of the center column 140 is fixed below the air storage bag 260 in the center column 140 communicated with the center column 140, and a second check valve 280 capable of ventilating the inner upper part of the center column 140 is fixed above the air storage bag 260 in the center column 140 communicated with the center column 140;

when the air storage bag 260 is pressed, the air in the bag is pressed into the air storage bag 420 above the center column 140 through the second check valve 280;

When the air storage bag 260 recovers the shape under the self elasticity, the external air at the communication position of the bent pipe 310 is sucked into the air storage bag 260 through the first check valve 270;

The separation membrane 261 is fixed in the air storage bag 260, the separation membrane 261 divides the inner cavity of the air storage bag 260 into an upper part and a lower part, the separation membrane 261 is an elastic soft membrane, the separation membrane 261 extends towards the inner part of the center column 140, the separation membranes 261 in the four air storage bags 260 are connected into a whole and divide the inner space of the center column 140 into an upper part and a lower part in a closed way, the center of the part of the separation membrane 261 in the center column 140 is fixed with a third check valve 290, and the third check valve 290 is used for enabling air below the center column 140 to flow upwards;

The first check valve 270, the second check valve 280 and the third check valve 290 are all common check valves and are used for enabling the gas to flow unidirectionally;

The upper half air storage bag 260 separated by the separation film 261 is provided with a plurality of through holes, so that the inner cavity of the upper half air storage bag 260 is communicated with the inner gap of the filter plate 200, and the through holes are fixedly covered with soft filter screens for preventing external dust from entering the air storage bag 260;

when the upper half part of the air storage bag 260 is extruded, air can be sprayed out from the inside of the filter plate 200 through the through holes of the air storage bag, so that dust is lifted;

The sliding contact surfaces of the limiting block 251, the sliding cavity 250 and the shock-guiding plate 230 are provided with a wave surface 252, the wave surface 252 is provided with a wave-shaped bulge, the wave-shaped bulge does not influence the displacement of the shock-guiding plate 230, and the shock-guiding plate 230 can enhance the shock effect transmitted to the filter plate 200 through the rugged of the wave surface 252;

when the filter plate 200 collides 3 to 6 times, the solenoid valve 410 is controlled to be turned on, and the gas stored in the gas storage bag 420 is continuously sprayed downward through the solenoid valve 410 to wash the filter plate 200;

All the electric devices are connected and controlled by a programmable logic controller through signals.

The implementation steps and principles of the second embodiment of the application:

S1: the filter plates 200 collide with each other under the action of the electromagnetic collision block 240, so that the shock-guiding plate 230 presses the air storage bag 260;

S2: after the air storage bag 260 is extruded, a part of air is discharged into the air storage bag 420 through the second check valve 280 and the third check valve 290, and the other part of air is directly sprayed out of the filter plate 200 through the through holes on the air storage bag 420;

S3: when the air storage bag 260 rebounds, the outside air of the bent pipe 310 is sucked into the air storage bag 260 through the first check valve 270;

S4: after the filter plate 200 collides for a plurality of times, the electromagnetic valve 410 is conducted, and the gas in the gas storage bag 420 is sprayed downwards to wash the filter plate 200, so that dust is cleaned in the collecting tank 300.

The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:

According to the embodiment, the sliding cavity 250 is formed on the basis of the second embodiment, the air storage bag 260 is fixed in the sliding cavity 250, and the technical problem that dust drifts into the filter plate after collision of the collision rod in the second embodiment is solved by extrusion of the air storage bag 260 by the shock-conducting plate 230 and resilience force of the air storage bag 260, so that the technical effect of flushing the filter plate by gas while saving energy is achieved.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A centrifugal inertial self-cleaning device comprises a filter cartridge (100), a collecting box (300) communicated and fixed at the bottom of the filter cartridge (100) and an air pump (500); an air inlet (110) and an air outlet (120) are formed outside the filter cartridge (100), and four filter plates (200) are fixed inside the filter cartridge; the air pump (500) is communicated with the air outlet (120); the filter cartridge (100) is a cylindrical container, and the air outlet (120) and the air inlet (110) are respectively fixed on the side walls of opposite positions on the filter cartridge (100); a motor (130) with a vertically downward main shaft is coaxially fixed at the inner top of the filter cartridge (100), a cylindrical center column (140) extending to the bottom of the filter cartridge (100) is fixed on the main shaft of the motor (130), and a bottom cover (150) is hinged at the position of a communicating collecting box (300) at the bottom of the filter cartridge (100); The filter plates (200) are vertically arranged, four filter plates (200) are straight plates and are mutually perpendicular, one side of each filter plate (200) is attached to the inner side face of the filter cylinder (100), and the other side of each filter plate is attached to and positioned on the side face of the center column (140); the center column (140) can drive the filter plate (200) to rotate; the top and the bottom of the filter plate (200) are respectively attached with a sealing plate (400) and a bottom cover (150); a round sealing plate (400) is vertically fixed on the central column (140), and the sealing plate (400) is attached to the inner surface of the filter cartridge (100) and divides the filter cartridge into an upper part and a lower part; When the filter plates (200) are in a static state, two filter plates (200) are kept between the air outlet (120) and the air inlet (110); a circle of grooves are formed in the top of the central column (140) close to the lower end face of the sealing plate (400); a lantern ring (210) is fixed on the upper part of one side, which is attached to the center column (140), of the filter plate (200), the filter plate (200) is coaxially sleeved in a groove of the center column (140) through the lantern ring (210), and the inner surface of the lantern ring (210) is attached to the center column (140); the electric push rod device is characterized in that limiting holes (211) in the vertical direction are formed in the lantern ring (210), the limiting holes (211) penetrate through the four lantern rings (210) and extend into the central column (140), an electric push rod (141) is fixed in the central column (140) above the limiting holes (211) of the lantern ring (210), the electric push rod (141) can be downwards inserted into the limiting holes (211) along the axial direction of the central column (140), and the length of the electric push rod (141) reaches the bottommost part of the limiting holes (211); When the electric push rod (141) is in a contracted state, the four filter plates (200) can rotate independently; when the electric push rod (141) extends to the bottom of the limit hole (211), the four filter plates (200) are mutually perpendicular and fixed on the center column (140); the filter plate is characterized in that positioning magnetic blocks (151) are embedded and fixed on the upper surface of the bottom cover (150), the positioning magnetic blocks (151) are strip magnets which are radially arranged along the central column (140), four positioning magnetic blocks (151) are respectively arranged under the filter plate (200) when the filter plate is in a static position, electromagnets are fixed at the positions, attached to the positioning magnetic blocks (151), of the bottom of the filter plate (200), and when the filter plate (200) rotates independently, the positioning magnetic blocks (151) can be adsorbed by the electromagnets to return to the static position so as to filter smoke; The middle parts of two opposite sides of the filter plate (200) are respectively positioned with a shock-conducting plate (230) along the radial direction of the central column (140), the shock-conducting plates (230) are fixedly provided with a collision rod (220), the collision rod (220) is a circular arc rod, the collision rod (220) and the filter plate (200) are integrally formed, the opposite surfaces of two adjacent filter plates (200) can enable the tail ends of the collision rods (220) to collide together in the approaching process, the two opposite collision rods (220) are clung to each other and then are positioned on the same circular ring, the circular ring is coaxial with the central column (140), the collision rods (220) are provided with a plurality of, are uniformly arranged on the shock-guiding plate (230) along the radial direction of the central column (140); An electromagnetic collision block (240) is fixed at the tail end of the collision rod (220), the electromagnetic collision block (240) is a strong electromagnet, and the electromagnetic collision block (240) on the opposite collision rod (220) can be attracted when the electromagnetic collision block (240) is electrified; the shock-conducting plate (230) and the collision rod (220) are both made of hard materials.

2. The centrifugal inertial self-cleaning device according to claim 1, wherein the center column (140) is hollow, a through hole is formed in the side surface of the center column (140) close to the upper end surface of the sealing plate (400), an air storage bag (420) is fixedly covered on the upper end surface of the sealing plate (400), the air storage bag (420) is an elastic bag body, the center of the air storage bag (420) is fixedly arranged above the through hole in the side surface of the center column (140) and below the motor (130), a closed cavity is formed between the air storage bag (420) and the center column (140) and the sealing plate (400), and the closed cavity is communicated with the inner space of the center column (140) through the through hole in the side surface of the center column (140); a plurality of through holes are formed in the sealing plate (400), electromagnetic valves (410) are fixed in the through holes, and the electromagnetic valves (410) are one-way valves.

3. The centrifugal inertial self-cleaning device according to claim 2, wherein the bottom cover (150) is a circle formed by two semicircular flip covers, and a through hole is formed in the center of the bottom cover (150); the bottom end of the center column (140) is rotatably and fixedly connected with an elbow (310) through a rotary joint (142), the rotary joint (142) is attached to a through hole in the center of the bottom cover (150), the elbow (310) is positioned in the collecting box (300), and the tail end of the elbow (310) passes through the collecting box (300) to be communicated with the outside air; the inner space of the central column (140) is communicated with the bent pipe (310);

A sliding cavity (250) is formed between two shock-conducting plates (230) on each filter plate (200), an opening is formed in one end, close to the center column (140), of each sliding cavity (250), the shock-conducting plates (230) are connected in the sliding cavities (250) in a sliding mode along the direction perpendicular to the filter plates (200), L-shaped limiting blocks (251) are fixed on two outer sides of each sliding cavity (250) and used for limiting the shock-conducting plates (230), and the shock-conducting plates (230) are prevented from being separated from the filter plates (200).

4. A centrifugal inertial self-cleaning device according to claim 3, wherein an air storage bag (260) is placed in the sliding cavity (250), the air storage bag (260) is cylindrical in an uninflated state, and made of elastic rubber, and the air storage bag (260) can rebound to a cylindrical state after being deformed, so that a cavity is formed in the bag; the air storage bag (260) is close to an opening at one end of the central column (140), the opening of the air storage bag (260) extends and penetrates through the opening of the sliding cavity (250) to be fixed on the central column (140), and through holes are correspondingly formed in the central column (140) so that the cavity inside the air storage bag (260) is communicated with the inside of the central column (140), and the part, in contact with the shock guide plate (230), of the air storage bag (260) is adhered and fixed with each other, so that the position deviation of the air storage bag (260) is prevented.

5. The centrifugal inertial self-cleaning device according to claim 4, wherein the portion of the air storage bag (260) extending to the center column (140) has a larger elastic force than other portions of the air storage bag (260), so that the magnetic blocks (151) can be assisted to position the filter plate (200) back to the stationary position after the filter plate (200) collides;

A first check valve (270) capable of ventilating the inner upper part of the center column (140) is fixed below the inner air storage bag (260) of the center column (140) communicated with the center column (140), and a second check valve (280) capable of ventilating the inner upper part of the center column (140) is fixed above the inner air storage bag (260) of the center column (140) communicated with the center column (140);

The air storage bags (260) are internally fixed with separation membranes (261), the separation membranes (261) divide an inner cavity of the air storage bags (260) into an upper part and a lower part, the separation membranes (261) are elastic soft membranes, the separation membranes (261) extend towards the inside of the central column (140), the separation membranes (261) in the four air storage bags (260) are connected into a whole, the inner space of the central column (140) is sealed and divided into the upper part and the lower part, a third check valve (290) is fixed at the center of the part of the separation membranes (261) in the central column (140), and the third check valve (290) is used for enabling air below the central column (140) to flow upwards;

The first check valve (270), the second check valve (280) and the third check valve (290) are all common check valves and are used for enabling gas to flow unidirectionally.

6. The centrifugal inertial self-cleaning device according to claim 5, wherein the upper half air storage bag (260) separated by the separation membrane (261) is provided with a plurality of through holes, so that the inner cavity of the upper half air storage bag (260) is communicated with the inner gap of the filter plate (200), and the through holes are fixedly covered with soft filter screens for preventing external dust from entering the air storage bag (260);

The sliding contact surfaces of the limiting block (251), the sliding cavity (250) and the shock-conducting plate (230) are provided with wave surfaces (252), the wave surfaces (252) are provided with wave-shaped bulges, the wave-shaped bulges do not influence the displacement of the shock-conducting plate (230), and the shock-conducting plate (230) can enhance the shock effect transmitted to the filter plate (200) through the rugged surface of the wave surfaces (252);

When the filter plate (200) collides 3 to 6 times, the solenoid valve (410) is controlled to be turned on, and the gas stored in the gas storage bag (420) is continuously sprayed downward through the solenoid valve (410) to flush the filter plate (200).