Desert air filter
Technical Field
The utility model relates to an engine air filters field, especially is applicable to the desert air cleaner who uses in dusty environment.
Background
When the vehicle works in severe environments such as deserts, mines and construction sites, the air contains a large amount of impurities and dust, the air containing the impurities directly enters the engine, the abrasion of engine parts such as air cylinders and the like is accelerated, and the service life of the engine is shortened. Therefore, an air filter is required to be additionally arranged to filter impurities in the air and improve the air intake cleanliness of the engine. When the performance of the air filter is deteriorated, the fuel economy, the dynamic performance, the reliability, the emission and other performances of the engine are seriously influenced. Therefore, the quality of the air filter device directly affects the running condition of the engine.
The existing air filter mainly comprises a two-stage/three-stage dry air filter consisting of a coarse filter with a plurality of cyclone separators and a paper filter element.
However, when the engine works in a special environment, the filtering efficiency of the cyclone separator and the paper filter element cannot meet the normal operation requirement of the engine, and a new filtering device is needed to ensure the filtering efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the defect that involves in the background art, provide a desert air filter.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
a desert air filter comprises a shell, a coarse filter, a plurality of vortex pipes, a plurality of cyclone separators, a fine filter and a sand discharge device;
the shell is a cylinder with the upper end closed and the lower end opened, and is internally provided with a first partition plate, a second partition plate, a third partition plate and a fourth partition plate, wherein the first partition plate is transversely arranged in the shell and divides the shell into a first cavity positioned at the upper part and a second cavity positioned at the lower part; the second partition plate is vertically arranged in the second cavity and divides the second cavity into a third cavity and a fourth cavity; the third partition plate is transversely arranged in the fourth cavity and divides the fourth cavity into a fifth cavity positioned at the upper part and a sixth cavity positioned at the lower part; the first cavity and the fifth cavity are closed, and the lower ends of the third cavity and the sixth cavity are opened;
the upper end face of the shell is provided with a through hole, the coarse filter is arranged on the upper end face of the shell, and an outlet of the coarse filter is communicated with the first cavity through the through hole in the upper end face of the shell, so that external air enters the first cavity after being filtered by the coarse filter;
the vortex pipes are all arranged in the third cavity, a plurality of through holes which are in one-to-one correspondence with the vortex pipes are arranged between the first cavity and the third cavity by the first partition plate, and the inlets of the vortex pipes are communicated with the first cavity through the corresponding through holes on the first partition plate;
the cyclone separators are all arranged in the sixth cavity, a through hole is formed in the second partition plate between the sixth cavity and the third cavity, and a closed air chamber is arranged at the through hole of the second partition plate; a plurality of through holes which correspond to the gas outlets of the cyclone separators one by one are formed in the third partition plate between the fifth cavity and the sixth cavity; the gas outlets of the vortex pipes are communicated with the closed gas chamber through pipelines; the inlets of the cyclone separators are communicated with the closed gas chamber through pipelines, and the gas outlets of the cyclone separators are communicated with the fifth cavity through corresponding through holes in the third partition plate; the air entering the vortex tube is filtered by the vortex tube and then enters each cyclone separator through the closed air chamber;
an air outlet communicated with the fifth cavity is formed in the side wall of the shell, the fine filter is arranged in the fifth cavity, and the outlet of the fine filter is communicated with the outside through the air outlet; the air filtered by the cyclone separator enters the fifth cavity, is filtered by the fine filter and then is discharged from the air outlet;
the sand discharge device is a cylinder with an opening at the upper end and a closed lower end, is detachably connected with the bottom of the shell and is used for receiving the sand and dust separated by each vortex tube and each cyclone separator.
As a further optimization scheme of the desert air filter, the strainer adopts a porous strainer device, and the air flow flows in from the strainer circumference.
As a further optimization scheme of the desert air filtering device, the fine filter comprises a shell and a filter element, wherein the shell is a metal filter screen and is in a cylindrical shape with one open end and one closed end; the filter element is a hollow cylindrical paper filter element with an opening at one end and a closed end, and is coaxially arranged with the shell, and the closed end of the filter element and the closed end of the shell are arranged on the same side; the opening end of the shell is fixedly connected with the inner wall of the shell, and the cavity in the center of the filter element is communicated with the outside through the air outlet, so that the air flow in the fifth cavity flows into the cavity in the center of the filter element of the fine filter from the circumferential direction of the fine filter and then flows out from the cavity in the center of the filter element of the fine filter from the axial direction.
As a further optimization scheme of desert air cleaner, be equipped with the slope in the sediment outflow device, and the bottom on slope is equipped with and is used for the sand and dust exhaust export of collecting.
As the utility model relates to a further optimization scheme of desert air cleaner, the exit of arranging the husky device is equipped with row husky fan for the supplementary husky dirt that will collect in the husky device of row is discharged.
As the utility model relates to a further optimization scheme of desert air cleaner, the department is equipped with the ejector in the sediment outflow device for supplementary sediment outflow of collecting in the sediment outflow device.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
the utility model discloses simple structure, convenient to use can improve the filtration efficiency of filter under the special environment work, is applicable to the desert air cleaner who uses in dusty environment, especially relates to and uses at engineering machine tool, heavy, special type vehicle engine of fighting to and work on the vehicle engine under the special environment.
Drawings
FIG. 1 is a cross-sectional view of a desert air cleaner assembly;
FIG. 2 is a perspective view of a desert air cleaner;
FIG. 3 is a perspective view of the vortex tube of the present invention;
fig. 4 is a schematic perspective view of the cyclone separator of the present invention.
In the figure, 1-coarse filter, 2-vortex tube, 3-pipeline, 4-closed air chamber, 5-outlet of sand-discharging device, 6-sand-discharging device, 7-cyclone separator, 8-air outlet and 9-fine filter.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
the present invention may 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, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.
As shown in fig. 1 and 2, the utility model discloses a desert air filtering device, which comprises a shell, a coarse filter, a plurality of vortex pipes, a plurality of cyclone separators, a fine filter and a sand discharge device;
the shell is a cylinder with the upper end closed and the lower end opened, and is internally provided with a first partition plate, a second partition plate, a third partition plate and a fourth partition plate, wherein the first partition plate is transversely arranged in the shell and divides the shell into a first cavity positioned at the upper part and a second cavity positioned at the lower part; the second partition plate is vertically arranged in the second cavity and divides the second cavity into a third cavity and a fourth cavity; the third partition board is transversely arranged in the fourth cavity and divides the fourth cavity into a fifth cavity positioned at the upper part and a sixth cavity positioned at the lower part; the first cavity and the fifth cavity are closed, and the lower ends of the third cavity and the sixth cavity are opened;
the upper end face of the shell is provided with a through hole, the coarse filter is arranged on the upper end face of the shell, and an outlet of the coarse filter is communicated with the first cavity through the through hole on the upper end face of the shell, so that external air enters the first cavity after being filtered by the coarse filter;
the vortex pipes are all arranged in the third cavity, a plurality of through holes which are in one-to-one correspondence with the vortex pipes are arranged between the first cavity and the third cavity by the first partition plate, and the inlets of the vortex pipes are communicated with the first cavity through the corresponding through holes on the first partition plate;
the cyclone separators are all arranged in the sixth cavity, the second partition plate is provided with a through hole between the sixth cavity and the third cavity, and a closed air chamber is arranged at the through hole of the second partition plate; the third partition plate is provided with a plurality of through holes which are in one-to-one correspondence with the gas outlets of the cyclone separators between the fifth cavity and the sixth cavity; the gas outlets of the vortex pipes are communicated with the closed gas chamber through pipelines; the inlets of the cyclone separators are communicated with the closed gas chamber through pipelines, and the gas outlets of the cyclone separators are communicated with the fifth cavity through corresponding through holes in the third partition plate; the air entering the vortex tube is filtered by the vortex tube and then enters each cyclone separator through the closed air chamber;
an air outlet communicated with the fifth cavity is formed in the side wall of the shell, the fine filter is arranged in the fifth cavity, and the outlet of the fine filter is communicated with the outside through the air outlet; the air filtered by the cyclone separator enters the fifth cavity, is filtered by the fine filter and then is discharged from the air outlet;
the sand discharge device is a cylinder with an opening at the upper end and a closed lower end, is detachably connected with the bottom of the shell and is used for receiving the sand and dust separated by each vortex tube and each cyclone separator.
The coarse filter adopts a porous coarse filter device, and airflow flows into the coarse filter circumferentially.
The fine filter comprises a shell and a filter element, wherein the shell is a metal filter screen and is in a cylindrical shape with one open end and one closed end; the filter element is a hollow cylindrical paper filter element with an opening at one end and a closed end, and is coaxially arranged with the shell, and the closed end of the filter element and the closed end of the shell are arranged on the same side; the opening end of the shell is fixedly connected with the inner wall of the shell, and the cavity in the center of the filter element is communicated with the outside through an air outlet, so that the air flow in the fifth cavity flows into the fine filter circumferentially and then flows out axially from the cavity in the center of the filter element of the fine filter.
A slope is arranged in the sand discharge device, and an outlet for discharging collected sand is arranged at the bottom of the slope; the outlet of the sand discharging device can be provided with a sand discharging fan or an ejector in the sand discharging device to assist in discharging sand dust collected in the sand discharging device.
The desert air filter in fig. 2 is provided with 2 vortex pipes, as shown in fig. 3, the vortex pipes are internally provided with helical blades, filtered air is guided into a closed air chamber from the center of the lower part of the vortex pipes through a pipeline, and sand dust is discharged from the periphery of the inner wall of the vortex pipes.
In the desert air filter device of fig. 2, 3 cyclone separators are arranged, wherein air is led out from the upper part of the cyclone separator, sand and dust are discharged from the lower part of the cyclone separator, the cyclone separator can adopt a tangential air inlet cyclone separator or an axial air inlet cyclone separator, and the tangential air inlet cyclone separator is adopted in fig. 4.
The utility model discloses a desert air filter, the better engine protection problem that admits air of having solved at special environment work, its air filter efficiency can reach 100%.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including 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. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.