CN220460203U

CN220460203U - Self-cleaning dust collector

Info

Publication number: CN220460203U
Application number: CN202321857682.9U
Authority: CN
Inventors: 王争艳; 刘之源; 刘子迈; 张闪; 王鸿博
Original assignee: Henan University of Technology
Current assignee: Henan University of Technology
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-02-09
Anticipated expiration: 2033-07-14

Abstract

The utility model relates to a self-cleaning dust removing device, which comprises a device bracket, wherein a first filter device and a second filter device are sequentially arranged between an air inlet and an air outlet along the trend of air flow, each filter device comprises four reversing rollers and flexible filter screens wound on the corresponding reversing rollers, the meshes of the flexible filter screens of the first filter device are larger than those of the flexible filter screens of the second filter device, a first water tank and a second water tank are arranged on the device bracket, the flexible filter screens of the first filter device and the second filter device comprise self-cleaning sections which are immersed below the water surface of the corresponding water tank and dust adsorption sections which are positioned above the water surface of the corresponding water tank, and cleaning structures for cleaning the flexible filter screens of the corresponding self-cleaning sections are arranged in the water tanks. The utility model solves the technical problems that the filtering device in the prior art has limited filtering and cleaning capabilities and is not suitable for being used in the environment with larger dust-collecting capacity such as a granary.

Description

Self-cleaning dust collector

Technical Field

The utility model relates to matched dust removing equipment in dust raising treatment, in particular to a self-cleaning dust removing device for a grain depot.

Background

In large grain depot, whether grain is taken in or taken out of the bin, a large amount of impurities and dust are contained, so that serious dust emission occurs at the falling positions of cleaning equipment, conveying equipment and grain flow when the grain is taken in or taken out of the bin. Although dust removal devices are used in grain depots during the process of being placed in storage, the dust removal devices are mainly used for removing impurities in grains, and cannot improve the current situation of dust flying in the operation site.

Therefore, a dust collector capable of removing dust in air is needed, chinese patent CN116139640a discloses an autonomous impact wet dust collector, which comprises a casing with an air inlet and an air outlet, a filtering device is arranged on an air supply path between the air inlet and the air outlet, the filtering device comprises four rotating shafts and a flexible filter screen wound around the four rotating shafts, wherein the first rotating shaft is driven by a second driving mechanism, a dust collecting nozzle is arranged in a memory of the filter screen, and a sewage tank is arranged at the bottom of the filtering device.

When the self-cleaning type dust collector is used, the first rotating shaft is driven by the second driving mechanism to rotate, the filter screen is driven to rotate in a circulating mode, the two side screen surfaces of the filter screen are perpendicular to the air supply path, dust is attached to the filter screen when wind with the dust passes through the two side screen surfaces of the filter screen, the filter screen rotates in a circulating mode, the dust collecting nozzle sprays water to the lower side screen surface, the dust is carried into the sewage tank, and therefore self-cleaning of the filter screen is achieved, and recycling of the filter screen is achieved. The existing self-cleaning dust removal device has the following problems: the dust removal capacity of the dust on the net surface through the spray head is very limited, and the filtering capacity of the single filter net is limited by the filtering form of the single filter net, so that the dust remover is not suitable for being used in the environment with very high dust emission of the granary.

Disclosure of Invention

The utility model aims to provide a self-cleaning dust removal device, which solves the technical problems that a filtering device in the prior art has limited filtering and cleaning capabilities and is not suitable for being used in an environment with larger dust collection amount such as a granary.

In order to solve the technical problems, the technical scheme of the self-cleaning dust removing device is as follows:

the utility model provides a self-cleaning dust collector, including the device support that has air intake, the air outlet, be provided with first filter equipment and second filter equipment in order along the air current trend between air intake, the air outlet, each filter equipment all includes four switching-over gyro wheels and the flexible filter screen of winding on corresponding switching-over gyro wheel, each filter equipment is still including being used for driving the pivoted gyro wheel actuating mechanism of corresponding switching-over gyro wheel, the mesh of the flexible filter screen of first filter equipment is greater than the mesh of the flexible filter screen of second filter equipment, be provided with on the device support with first basin that first filter equipment corresponds the setting and with the second basin that second filter equipment corresponds the setting, first filter equipment, the flexible filter screen of second filter equipment all is including being used for soaking the dust adsorption section below the surface of water of corresponding basin and being located above the surface of water of corresponding basin, all be provided with the cleaning structure that is used for cleaning the flexible filter screen of corresponding self-cleaning section in each basin.

Further, an axial flow fan is arranged between the air outlet and the second filtering device.

Further, the air inlet is located at the front side of the air outlet, and the cleaning structure in the first water tank comprises a brush arranged on the wall of the front side of the first water tank and the wall of the rear side of the first water tank.

Further, a water outlet is arranged at the upper end of the groove wall at the front side of the first water groove.

Further, the cleaning structure in the second water tank comprises a scraping plate arranged on the front side tank wall of the second water tank and the rear side tank wall of the second water tank, and a scraping plate filter screen perforation for the flexible filter screen of the self-cleaning section of the second filter device to pass through along the up-down direction is arranged on the scraping plate.

Further, a dust filter screen for preventing dust at the lower side from passing through from bottom to top is arranged at the upper side of the scraping plate in the second water tank, and a filter screen perforation for allowing a flexible filter screen of a self-cleaning section of the second filter device to pass through along the upper and lower directions is arranged on the dust filter screen.

Further, a first channel communicated with the first water tank is formed in the front side groove wall of the second water tank, and the first channel is located on the upper side of the dust filter screen.

Further, the device support is provided with a water storage tank at the rear side of the second water tank, the water storage tank is connected with the second water tank through a second channel, a channel switch valve is arranged at the second channel, and the second channel is positioned at the upper side of the dust filter screen.

The beneficial effects of the utility model are as follows: when the self-cleaning dust removing device is used, the self-cleaning dust removing device is moved to an environment requiring dust removal in a granary, dust enters through an air inlet and is then discharged through an air outlet, firstly, the self-cleaning dust removing device adopts a first filtering device and a second filtering device, the meshes of a flexible filter screen of the first filtering device are larger than those of a flexible filter screen of the second filtering device, the flexible filter screen of the first filtering device is responsible for removing larger impurities, the flexible filter screen of the second filtering device is responsible for removing smaller magazines, the division of labor is more definite, the dust removing area is increased, and therefore the dust removing efficiency is improved; secondly, along with the rotation of the flexible filter screen, the flexible filter screen adsorbed with dust impurities is immersed in water, the flexible filter screen of a self-cleaning section immersed in water is cleaned by a cleaning structure in a corresponding water tank, then the clean flexible filter screen is rotated out of the water to adsorb new dust, dust in the water is removed, the dust is soaked, and the dust removal efficiency can be improved, so that the self-cleaning dust removal device can be suitable for being used in a granary with larger dust.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to like or corresponding parts and in which:

FIG. 1 is a schematic diagram of the structure of one embodiment of the present utility model;

reference numerals illustrate: 1. a device holder; 2. a front side plate; 3. a rear side plate; 4. an air inlet; 5. an air outlet; 6. an axial flow fan; 7. a front side baffle; 8. a rear side baffle; 9. a first filtering device; 10. a second filtering device; 11. reversing idler wheels; 12. an active reversing roller; 13. a front space; 14. a rear space; 15. a flexible filter screen of the first filter device; 16. a flexible filter screen of the second filter device; 17. a first water tank; 18. a second water tank; 19. a water outlet; 20. a first channel; 21. a second channel; 22. a water storage tank; 23. a support walking wheel; 24. a second drain outlet; 25. a first drain outlet; 26. a brush; 27. a self-cleaning section; 28. a dust adsorption section; 29. a scraper; 30. a dust filter screen; 31. a liquid surface.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

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 utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

An embodiment of a self-cleaning dust-removing device in the present utility model is shown in fig. 1: including the device support that has air intake 4, air outlet 5, the device support includes support roof, support bottom plate and sets up the support curb plate between support roof, support bottom plate, and the support curb plate includes preceding curb plate 2, posterior lateral plate 3, left side board and right side board, and air intake 4 sets up on preceding curb plate 2, and air outlet 5 sets up on posterior lateral plate 3. The bottom of the device bracket is provided with a bracket travelling wheel 23.

The bracket inner cavity surrounded by the bracket top plate, the bracket bottom plate and the bracket side plate is divided into three spaces sequentially arranged along the front-back direction by a front side partition plate 7 and a back side partition plate 8, and the three spaces are respectively a front side space 13, a back side space 14 and a tail space along the front-back direction.

And baffle ventilation openings positioned between the air inlet 4 and the air outlet 5 are respectively arranged on the front baffle and the rear baffle. The front side space is internally provided with a first filtering device 9, the rear side space is internally provided with a second filtering device 10, each filtering device comprises four reversing rollers 11 and a flexible filter screen wound on the corresponding reversing roller, each filtering device further comprises a roller driving mechanism for driving the corresponding reversing roller to rotate, in the embodiment, the roller driving mechanism is a roller driving motor, and the reversing roller which is positioned at the front and is positioned at the upper position is an active reversing roller 12 in transmission connection with the roller driving mechanism. The mesh of the flexible filter screen of the first filter device is larger than the mesh of the flexible filter screen of the second filter device.

The device bracket is provided with a first water tank 17 corresponding to the first filtering device and a second water tank 18 corresponding to the second filtering device, wherein the first water tank is formed by the bottom of the front side space, and the second water tank is formed by the bottom of the rear side space. The flexible filter screens of the first filter device and the second filter device respectively comprise a self-cleaning section which is immersed below the water surface of the corresponding water tank and a dust adsorption section which is positioned above the water surface of the corresponding water tank, wherein the dust adsorption sections are opposite to the air inlet and the air outlet. An axial flow fan 6 is arranged on the upper side of the tail space, the axial flow fan 6 is positioned between the air outlet 5 and the second filtering device 10, and the lower side of the tail space forms a water storage tank 22.

And a cleaning structure for cleaning the flexible filter screen corresponding to the self-cleaning section is arranged in each water tank. The cleaning structure in the first tank includes brushes 26 provided on a front tank wall of the first tank and a rear tank wall of the first tank. The upper end of the groove wall at the front side of the first water groove is provided with a water outlet 19, and a water outlet switching valve is arranged at the water outlet.

The cleaning structure in the second water tank comprises a scraping plate 29 arranged on the front side tank wall of the second water tank and the rear side tank wall of the second water tank, and a scraping plate filter screen perforation for the flexible filter screen of the self-cleaning section of the second filter device to pass through along the up-down direction is arranged on the scraping plate. A dust filter screen 30 for preventing dust at the lower side from passing through from bottom to top is arranged at the upper side of the scraping plate in the second water tank, and a filter screen perforation for allowing a flexible filter screen of a self-cleaning section of the second filter device to pass through along the upper and lower directions is arranged on the dust filter screen.

A first channel 20 which is communicated with the first water tank and the second water tank is arranged on the front side baffle plate, and the first channel is positioned on the upper side of the dust filter screen. The rear side baffle is provided with a second channel 21 which is communicated with the water storage tank and the second water tank, a channel switch valve is arranged at the second channel, and the second channel is positioned on the upper side of the dust filter screen. The first channel and the second channel are inclined channels which gradually extend downwards from back to front.

The bottom of first basin is provided with first drain 25, and the bottom of second basin is provided with second drain 24, and the bottom of first basin, second basin is the inclined plane structure to the aspect dust gathers together to corresponding drain.

When the water storage device is used, water in the water storage tank is pumped into the second water tank through the water pump (or by utilizing the self weight of the water), the first channel ensures that the liquid level of the first water tank is the same as that of the second water tank, and in an initial state, the liquid level is higher than that of the water outlet, the flexible filter screens of the filtering devices are driven by respective roller driving mechanisms to circularly rotate, and the arrow direction in the figure indicates the circulating rotation direction of the flexible filter screens. The axial flow fan works, air flow carrying dust enters the self-cleaning dust removing device through the air inlet and is discharged through the air outlet, in the process, large-particle dust is adsorbed by the flexible filter screen of the first filter device, and small-particle dust is adsorbed by the flexible filter screen of the second filter device. For the first filtering device, the flexible filter screen of the first filtering device can absorb some relatively light and large impurities, such as wheat hulls, which float on the liquid surface of the first water tank, when the large impurities need to be discharged, the water outlet is opened, and the floating impurities floating on the liquid surface can be discharged through the water outlet; and the dust adsorbed on the flexible filter screen on the first filter device can be brushed off by the brush, and falls on the bottom of the first water tank, and when the dust needs to be cleaned, the first sewage outlet is opened for cleaning. For the second filtering device, dust adsorbed on the flexible filter screen on the second filtering device can be scraped by the scraping plate, the dust falls on the bottom of the second water tank, and the dust filter screen can avoid the dust to cross to the upper layer of the dust filter screen from bottom to top, so that water in the first water tank from the second water tank can be ensured to be clear, the dust is concentrated on the lower side of the dust filter screen, and when cleaning is needed, the second sewage draining outlet is opened for cleaning.

In the foregoing description of the present specification, the terms "fixed," "mounted," "connected," or "connected" are to be construed broadly, unless explicitly stated or limited otherwise. For example, in terms of the term "coupled," it may be fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other. Therefore, unless otherwise specifically defined in the specification, a person skilled in the art can understand the specific meaning of the above terms in the present utility model according to the specific circumstances.

Those skilled in the art will also appreciate from the foregoing description that terms such as "upper," "lower," "front," "rear," "left," "right," "length," "width," "thickness," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "center," "longitudinal," "transverse," "clockwise," or "counterclockwise" and the like are used herein for the purpose of facilitating description and simplifying the description of the present utility model, and thus do not necessarily have to have, configure, or operate in, the specific orientations, and thus are not to be construed or construed as limiting the present utility model.

In addition, the terms "first" or "second" and the like used in the present specification to refer to the numbers or ordinal numbers are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless explicitly defined otherwise.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a self-cleaning dust collector, includes the device support that has air intake, air outlet, its characterized in that: the device comprises an air inlet and an air outlet, wherein a first filtering device and a second filtering device are sequentially arranged between the air inlet and the air outlet along the trend of air flow, each filtering device comprises four reversing rollers and a flexible filter screen wound on the corresponding reversing rollers, each filtering device further comprises a roller driving mechanism for driving the corresponding reversing rollers to rotate, the mesh of the flexible filter screen of the first filtering device is larger than that of the flexible filter screen of the second filtering device, a first water tank which is correspondingly arranged with the first filtering device and a second water tank which is correspondingly arranged with the second filtering device are arranged on a device support, the flexible filter screens of the first filtering device and the second filtering device respectively comprise a self-cleaning section which is used for being immersed below the water surface of the corresponding water tank and a dust adsorption section which is positioned above the water surface of the corresponding water tank, and cleaning structures for cleaning the flexible filter screen corresponding to the self-cleaning section are respectively arranged in the water tanks.

2. The self-cleaning dust removal device according to claim 1, wherein: an axial flow fan is arranged between the air outlet and the second filtering device.

3. The self-cleaning dust removal device according to claim 1, wherein: the air inlet is positioned at the front side of the air outlet, and the cleaning structure in the first water tank comprises a brush arranged on the wall of the front side of the first water tank and the wall of the rear side of the first water tank.

4. A self-cleaning dust removal device according to claim 3, wherein: the upper end of the groove wall at the front side of the first water groove is provided with a water outlet.

5. The self-cleaning dust removal device according to claim 1, wherein: the bottom of the device bracket is provided with a bracket travelling wheel.

6. A self-cleaning dust removal device according to claim 3, wherein: the cleaning structure in the second water tank comprises scraping plates arranged on the groove wall at the front side of the second water tank and the groove wall at the rear side of the second water tank, and flexible filter screens of the self-cleaning section of the second filter device are provided with scraping plate filter screen perforations along the vertical direction.

7. The self-cleaning dust removal device of claim 6, wherein: a dust filter screen for preventing dust at the lower side from passing through from bottom to top is arranged at the upper side of the scraping plate in the second water tank, and a filter screen perforation for allowing a flexible filter screen of a self-cleaning section of the second filter device to pass through along the upper and lower directions is arranged on the dust filter screen.

8. The self-cleaning dust removal device of claim 7, wherein: a first channel communicated with the first water tank is formed in the front side groove wall of the second water tank, and the first channel is located on the upper side of the dust filter screen.

9. The self-cleaning dust removal device of claim 7, wherein: the device bracket is provided with a water storage tank at the rear side of the second water tank, the water storage tank is connected with the second water tank through a second channel, a channel switch valve is arranged at the second channel, and the second channel is positioned at the upper side of the dust filter screen.