CN112675655A - Self-cleaning water filtering dust removal device and method - Google Patents
Self-cleaning water filtering dust removal device and method Download PDFInfo
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- CN112675655A CN112675655A CN202011579187.7A CN202011579187A CN112675655A CN 112675655 A CN112675655 A CN 112675655A CN 202011579187 A CN202011579187 A CN 202011579187A CN 112675655 A CN112675655 A CN 112675655A
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Abstract
A self-cleaning water filtering dust removing device and method comprises a dust removing shell, wherein a rough filter, a middle filter and a fine filter are arranged in the dust removing shell from bottom to top; the lower part of the dust removal shell is provided with an air inlet pipe, a flow dividing component is arranged at a position corresponding to the upper part of the air inlet pipe and the lower part of the rough filtration, and the top of the dust removal shell is provided with a negative pressure fan; the dust removal shell is externally provided with a driving part for adjusting the middle filter position and the fine filter position to carry out self-cleaning. The contact area of dust and water is increased by utilizing the three-dimensional net structure to match with the water adsorption effect. By utilizing the inertia impact principle, a three-level inertia acceleration area is designed, the capture efficiency of dust with various particle sizes is improved, and the dust with various particle sizes can be effectively captured by adopting multi-level filtration. The dual-mode spraying device enhances the dust adsorption capacity of water and clears away the dust deposition characteristics of each filter screen. Longitudinal extrusion can make sponge deformation volume even, and sewage concentration drips in order, makes the sponge realize the self-cleaning in inside, improves life, reduces the maintenance cost.
Description
Technical Field
The invention relates to the technical field of dust removal, in particular to a self-cleaning water filtration dust removal device and a self-cleaning water filtration dust removal method.
Background
The dust removing equipment has wide application fields, and products in different fields from small particle size to large particle size can be separated and filtered through the physical characteristics of particles, such as cyclone dust collection, electrostatic dust collection, cloth bag dust removal and wet dust removal. The dust removing mode is various, but the structure is relatively complex, and the self-cleaning of the dust removing device is also a problem.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a self-cleaning water filtration dust removal device and a self-cleaning water filtration dust removal method.
The technical scheme adopted by the invention for solving the technical problems is as follows: the self-cleaning water filtering dust removing device comprises a dust removing shell, wherein a rough filter, a middle filter and a fine filter are arranged in the dust removing shell from bottom to top; the lower part of the dust removal shell is provided with an air inlet pipe, a flow dividing component is arranged at a position corresponding to the upper part of the air inlet pipe and the lower part of the rough filtration, and the top of the dust removal shell is provided with a negative pressure fan; the dust removal shell is externally provided with a driving part for adjusting the middle filter position and the fine filter position to carry out self-cleaning.
Furthermore, a coarse filter is arranged at the lower part of the dust removal shell, the coarse filter comprises a metal filter screen, and a coarse filter sponge is arranged on the upper surface of the metal filter screen; a middle filter is arranged above the coarse filter and comprises a metal filter screen, and a middle filter sponge is arranged on the upper surface of the metal filter screen; the fine filter is arranged above the middle filter and comprises a metal filter screen, and the lower surface of the metal filter screen is provided with a fine filter sponge.
Furthermore, a first-stage inertia acceleration area is arranged between the upper part of the flow distribution plate and the coarse filter, a second-stage inertia acceleration area is arranged between the coarse filter and the middle filter, and a third-stage inertia acceleration area is arranged between the middle filter and the fine filter.
Furthermore, two inclined folding nozzles are arranged on the inner wall of the dust removal shell corresponding to the primary inertia acceleration area, and the folding nozzles spray towards the bottom surface of the rough-filtered metal filter screen; two inclined folding atomizing nozzles are arranged on the inner wall of the dust removal shell corresponding to the second-stage inertia acceleration area, and the folding nozzles spray to the bottom surface of the rough-filtered metal filter screen; the inner wall of the dust removal shell is provided with two inclined folding atomizing nozzles corresponding to the three-level inertia acceleration area, and the folding nozzles spray to the bottom surface of the rough-filtered metal filter screen.
Further, the drive part includes the motor, the lead screw reaches and is connected with first extrusion piece and the second extrusion piece that corresponds in straining and the fine filtration respectively with the lead screw cooperation, the stopper corresponds the metal filter screen position in with the coarse filtration, the stopper is installed at the dust removal casing outer wall, first extrusion piece and second extrusion piece are connected with the metal filter screen is indirect through strong magnet, when the motor drives the lead screw and rotates, filter in the first extrusion piece and the second extrusion piece drive and the fine filtration metal filter screen moves down and squeezes the moisture of doing the coarse filtration, sponge in straining and the fine filtration, first extrusion piece and second extrusion piece drive filter and the fine filtration metal filter screen rebound in.
Furthermore, the pore density of the coarse filter sponge, the medium filter sponge and the fine filter sponge are different.
Furthermore, the flow distribution plate is an inverted V-shaped plate and is arranged on the inner wall of the dust removal shell.
A self-cleaning water filtering dust-removing method is characterized by that firstly, the sponge in the course of coarse filtering, intermediate filtering and fine filtering is sprayed.
The flue gas passes through the intake pipe and gets into in the dust removal casing, filters behind the flow distribution plate.
The smoke gas respectively passes through a primary inertia acceleration zone to accelerate and rise, is subjected to rough filtration, is accelerated through a secondary inertia acceleration zone, is subjected to middle filtration and filtration, is accelerated through a tertiary inertia acceleration zone, and is subjected to fine filtration and filtration; and is discharged through a fan.
When the device is self-cleaning, the motor drives the screw rod to rotate, and drives the first pressing block and the second pressing block and the metal filter screen in the middle filter and the fine filter to move downwards to squeeze out the moisture of the sponge in the rough filter, the middle filter and the fine filter.
After the squeezing is finished, the motor drives the screw rod to rotate, and drives the first pressing block and the second pressing block and the metal filter screens in the middle filter and the fine filter to move upwards and return to the original positions.
In summary, the technical scheme of the invention has the following beneficial effects:
1. the contact area of dust and water is increased by utilizing the three-dimensional net structure to match with the water adsorption effect.
2. By utilizing the inertia impact principle, a three-level inertia acceleration area is designed, the capture efficiency of dust with various particle sizes is improved, and the dust with various particle sizes can be effectively captured by adopting multi-level filtration.
3. The dual-mode spraying device enhances the dust adsorption capacity of water and clears away the dust deposition characteristics of each filter screen.
4. Longitudinal extrusion can make sponge deformation volume even, and sewage concentration drips in order, makes the sponge realize the self-cleaning in inside, improves life, reduces the maintenance cost.
Drawings
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a view of the structure of the invention after being stacked.
In the figure:
the device comprises a shell, a gas inlet pipe, a flow dividing partition plate, a fan, a metal filter screen, a sponge, a primary inertia acceleration area, a secondary inertia acceleration area, a tertiary inertia acceleration area, a folding nozzle, a folding atomizing nozzle, a sewage tank, a motor, a lead screw, a first extrusion block, a second extrusion block and a limiting block, wherein the shell is 1, the gas inlet pipe is 2, the flow dividing partition plate is 3, the fan is 4, the metal filter screen is 5, the sponge is 6.
Detailed Description
The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, which illustrate embodiments of the invention and are not intended to limit the scope of the invention.
As shown in figure 1, the self-cleaning water filtering dust removing device comprises a dust removing shell, wherein a rough filter, a middle filter and a fine filter are arranged in the dust removing shell from bottom to top. An air inlet pipe is arranged at the lower part of the dust removal shell, a flow distribution component is arranged at the position above the air inlet pipe and below the rough filter, and a negative pressure fan is arranged at the top of the dust removal shell. The dust removal shell is externally provided with a driving part for adjusting the middle filter position and the fine filter position to carry out self-cleaning.
A coarse filter is arranged at the lower part of the dust removal shell and comprises a metal filter screen, and coarse filter sponge is arranged on the upper surface of the metal filter screen; a middle filter is arranged above the coarse filter and comprises a metal filter screen, and a middle filter sponge is arranged on the upper surface of the metal filter screen; the fine filter is arranged above the middle filter and comprises a metal filter screen, and the lower surface of the metal filter screen is provided with a fine filter sponge.
In particular, with regard to the pore size distribution of the sponge: three groups of sponge adsorption units are provided, and coarse filtration, medium filtration and fine filtration are respectively carried out from bottom to top. The bottom of the coarse filter is a metal steel filter screen, the metal filter screen is mounted in the shell through screws and does not move, the upper part of the filter screen is a layer of coarse filter sponge, the density of the coarse filter sponge is 20PPI (average number of pores per inch of length), the thickness of the coarse filter sponge is 6cm, and the coarse filter sponge is made of polyurethane. The middle filter is made of polyurethane and consists of two kinds of sponges with different pore diameters and a layer of metal filter screen, the metal filter screen is arranged at the lowest end, the density of the lower end is 40PPI, the thickness of the lower end is 3cm, the upper end is sealed with 20PPI, the thickness of the upper end is 3cm, particles firstly collide with the filter sponge from the lower end and then are roughly filtered through the upper end, and the particles enter a three-stage acceleration area in a low-wind-resistance acceleration mode. The fine filter is made of polyurethane, the whole thickness is 6cm, the density is 80PPI, and the uppermost end is a metal filter screen.
A first-stage inertia acceleration area is arranged between the upper part of the flow distribution plate and the coarse filter, a second-stage inertia acceleration area is arranged between the coarse filter and the middle filter, and a third-stage inertia acceleration area is arranged between the middle filter and the fine filter.
Third-stage particle inertia acceleration zone: dust-containing air enters the sponge dust removal bin from the air inlets at two sides, the distance between the two air inlets and the upper end of the metal filter screen is 15cm, and the middle part of the metal filter screen is 4 cm. The flow distribution plate is an inverted V-shaped plate and is arranged on the inner wall of the dust removal shell. The cyclone separator is used for balancing the flow rate of dust-containing air and shunting sludge, the section of the shunting separator is triangular, the vertex angle of the shunting separator is 135 degrees, and the length of the inclined plane is one third of that of sponge. The area of the flow dividing partition plate, which is far away from the metal filter screen, is a first-stage inertia acceleration area, and dust-containing air linearly moves and impacts the first-stage water-containing sponge without obstruction. The distance between the coarse filtration and the intermediate filtration is 20cm, the area is a secondary inertia acceleration area, the clean space is not blocked, the coarse filtration of dust-containing air can intercept large particles, and other particle size particles move linearly to the water-containing intermediate filtration. The distance between the middle filter and the fine filter is 20cm, the area is a three-level inertia acceleration area, the clean space is not obstructed, fine particles are removed from dust-containing air after the middle filter, the fine particles are blocked, the fine particles pass through the 20cm three-level inertia acceleration area, and the particles impact the fine filter at a high speed. A fan is arranged 15cm above the fine filter and fixed at the upper end of the shell to exhaust air upwards.
Two inclined folding nozzles are arranged on the inner wall of the dust removal shell corresponding to the primary inertia acceleration area, and the folding nozzles spray towards the bottom surface of the rough-filtered metal filter screen; two inclined folding atomizing nozzles are arranged on the inner wall of the dust removal shell corresponding to the second-stage inertia acceleration area, and the folding nozzles spray to the bottom surface of the rough-filtered metal filter screen; the inner wall of the dust removal shell is provided with two inclined folding atomizing nozzles corresponding to the three-level inertia acceleration area, and the folding nozzles spray to the bottom surface of the rough-filtered metal filter screen.
Specifically, two folding spray heads are respectively arranged at two sides of the primary inertia acceleration area, high water pressure is sprayed upwards (a rough-filtered metal filter screen) in a radial and inclined 60 degrees mode, a large amount of accumulated dust accumulated at the rough filtering position is cleaned, and the generated mud-water mixture drops on the flow dividing partition plate and finally flows to the bottom sewage tank. Two folding atomizer are respectively installed to the both sides in second grade, tertiary inertia acceleration district, and the radial oblique 60 of atomizing water droplet sprays to the top, and operating frequency can set up, and atomizing flow can set up, and periodic work plays the humidification effect to the sponge, improves adsorption effect. The spray head is connected with an external water pipe, can be folded by the air cylinder and is embedded into the shell, and does not interfere with the metal filter screen.
The driving part comprises a motor, a screw rod, a first extrusion block and a second extrusion block, wherein the first extrusion block and the second extrusion block are matched with the screw rod and are respectively connected with a metal filter screen in the middle filter and the fine filter, the limiting blocks correspond to the metal filter screen in the rough filter and are installed on the outer wall of the dust removal shell, the first extrusion block and the second extrusion block are indirectly connected with the metal filter screen through strong magnets, when the motor drives the screw rod to rotate, the first extrusion block and the second extrusion block drive the metal filter screen in the middle filter and the fine filter to move downwards to extrude water of sponge in the rough filter, the middle filter and the fine filter, and the first extrusion block and the second extrusion block drive the metal filter screen in the middle filter and the fine filter to move upwards to return.
A self-cleaning water filtering dust-removing method is characterized by that firstly, the sponge in the course of coarse filtering, intermediate filtering and fine filtering is sprayed.
The flue gas passes through the intake pipe and gets into in the dust removal casing, filters behind the flow distribution plate.
The smoke gas respectively passes through a primary inertia acceleration zone to accelerate and rise, is subjected to rough filtration, is accelerated through a secondary inertia acceleration zone, is subjected to middle filtration and filtration, is accelerated through a tertiary inertia acceleration zone, and is subjected to fine filtration and filtration; and is discharged through a fan.
When the device is self-cleaning, the motor drives the screw rod to rotate, and drives the first pressing block and the second pressing block and the metal filter screen in the middle filter and the fine filter to move downwards to squeeze out the moisture of the sponge in the rough filter, the middle filter and the fine filter.
After the squeezing is finished, the motor drives the screw rod to rotate, and drives the first pressing block and the second pressing block and the metal filter screens in the middle filter and the fine filter to move upwards and return to the original positions.
Two sides of the dust removal unit are provided with driving components which comprise a motor, a lead screw, a limiting slide block and an extrusion slide block. The limiting block is fixed with the rough filtering screen, the height of the limiting slide block is one third (2cm) of the rough filtering, and the depth of the limiting slide block is the same as that of the rough filtering; the thickness of the first extrusion sliding block is one third (2cm) of the middle filter, the depth of the first extrusion sliding block is the same as that of the middle filter, the lower bottom surface of the sliding block is a plane, the first extrusion sliding block is fixedly connected with the metal filter screen of the middle filter and is positioned on the same plane, the thickness of the second extrusion sliding block 2 is one third (2cm) of the fine filter, the depth of the second extrusion sliding block is the same as that of the fine filter, and the upper surface of the sliding block is a plane, is fixedly connected with the metal filter. In the extrusion state: folding high pressure nozzle, folding atomizer spray water in a large number earlier, receive afterwards to the normal position, the lead screw rotates, drives first extrusion slider downstream, stops after 24cm of downstream, first extrusion slider just falls on the stopper this moment, and the colating receives the extrusion deformation two-thirds of straining metal screen, with inside unnecessary sewage discharge. The screw rod continues to rotate to drive the second extrusion sliding block to move downwards until the second extrusion sliding block just falls on the first extrusion sliding block. The middle filter and the fine filter are extruded by the metal filter screen at the upper end of the fine filter, and the middle filter and the fine filter are respectively deformed by two thirds to discharge redundant sewage inside. After the drainage is finished, the motor rotates reversely, the lead screw drives the first extrusion sliding block and the second extrusion sliding block to move upwards and reset in sequence, the reset of the first overstock sliding block needs to be manually participated, and the sponge is unfolded.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to be covered by the protection scope defined by the claims of the present invention.
Claims (8)
1. A self-cleaning water filtering dust removal device is characterized by comprising a dust removal shell, wherein a rough filter, a middle filter and a fine filter are arranged in the dust removal shell from bottom to top; the lower part of the dust removal shell is provided with an air inlet pipe, a flow dividing component is arranged at a position corresponding to the upper part of the air inlet pipe and the lower part of the rough filtration, and the top of the dust removal shell is provided with a negative pressure fan; the dust removal shell is externally provided with a driving part for adjusting the middle filter position and the fine filter position to carry out self-cleaning.
2. The self-cleaning water filtering dust removing device as claimed in claim 1, wherein a coarse filter is mounted at the lower part of the dust removing shell, the coarse filter comprises a metal filter screen, and a coarse filter sponge is mounted on the upper surface of the metal filter screen; a middle filter is arranged above the coarse filter and comprises a metal filter screen, and a middle filter sponge is arranged on the upper surface of the metal filter screen; the fine filter is arranged above the middle filter and comprises a metal filter screen, and the lower surface of the metal filter screen is provided with a fine filter sponge.
3. The self-cleaning water filtration dust collector of claim 2, wherein a first-stage inertia acceleration zone is arranged above the splitter plate and between the coarse filtration, a second-stage inertia acceleration zone is arranged between the coarse filtration and the intermediate filtration, and a third-stage inertia acceleration zone is arranged between the intermediate filtration and the fine filtration.
4. The self-cleaning water filtration dust removal device of claim 3, wherein the inner wall of the dust removal housing is provided with two inclined folding nozzles corresponding to the primary inertia acceleration zone, and the folding nozzles spray towards the bottom surface of the rough-filtered metal filter screen; two inclined folding atomizing nozzles are arranged on the inner wall of the dust removal shell corresponding to the second-stage inertia acceleration area, and the folding nozzles spray to the bottom surface of the rough-filtered metal filter screen; the inner wall of the dust removal shell is provided with two inclined folding atomizing nozzles corresponding to the three-level inertia acceleration area, and the folding nozzles spray to the bottom surface of the rough-filtered metal filter screen.
5. The self-cleaning water filtering and dust removing device of claim 2, wherein the driving member comprises a motor, a lead screw, and a first pressing block and a second pressing block which are matched with the lead screw and respectively connected with the metal filter screen in the middle filter and the fine filter, the limiting block corresponds to the position of the metal filter screen in the rough filter, the limiting block is installed on the outer wall of the dust removing shell, the first pressing block and the second pressing block are indirectly connected with the metal filter screen through a strong magnet, when the motor drives the lead screw to rotate, the first pressing block and the second pressing block drive the metal filter screen in the middle filter and the fine filter to move downwards to squeeze out water in the sponge in the rough filter, the middle filter and the fine filter, and the first pressing block and the second pressing block drive the metal filter screen in the middle filter and the fine filter to move upwards to return to the original position.
6. The self-cleaning water filtration dust collector as claimed in claim 2, wherein the coarse filtration sponge, the middle filtration sponge and the fine filtration sponge have different pore densities.
7. The self-cleaning water filtration dust collector of claim 1, wherein the splitter plate is an inverted V-shaped plate and is mounted on the inner wall of the dust collecting housing.
8. A self-cleaning water filtration dust removal method, which is characterized in that,
firstly, spraying sponges in rough filtration, medium filtration and fine filtration;
the flue gas enters the dust removal shell through the air inlet pipe, passes through the flow distribution plate and is filtered;
the smoke gas respectively passes through a primary inertia acceleration zone to accelerate and rise, is subjected to rough filtration, is accelerated through a secondary inertia acceleration zone, is subjected to middle filtration and filtration, is accelerated through a tertiary inertia acceleration zone, and is subjected to fine filtration and filtration; is discharged by a fan;
when the filter is self-cleaning, the motor drives the screw rod to rotate, and drives the first pressing block and the second pressing block as well as the metal filter screen in the middle filter and the fine filter to move downwards to squeeze out the water in the sponge in the rough filter, the middle filter and the fine filter;
after the squeezing is finished, the motor drives the screw rod to rotate, and drives the first pressing block and the second pressing block and the metal filter screens in the middle filter and the fine filter to move upwards and return to the original positions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011579187.7A CN112675655A (en) | 2020-12-28 | 2020-12-28 | Self-cleaning water filtering dust removal device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011579187.7A CN112675655A (en) | 2020-12-28 | 2020-12-28 | Self-cleaning water filtering dust removal device and method |
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| CN112675655A true CN112675655A (en) | 2021-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654158A (en) * | 2021-07-20 | 2021-11-16 | 管凤珍 | Filtration formula electrochemistry air sterilization clarification plant |
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| EP1735018A1 (en) * | 2004-03-24 | 2006-12-27 | Bbr Biofiltration (Proprietary) Limited | Purification of polluted air |
| US20110083592A1 (en) * | 2009-10-12 | 2011-04-14 | Mcdonald Dennis K | Segregated in-situ forced oxidation wet flue gas desulfurization for oxygen-fired fossil fuel combustion |
| EP2703063A1 (en) * | 2012-09-04 | 2014-03-05 | Alstom Technology Ltd | Desulphurization and cooling of process gas |
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Application publication date: 20210420 |