CN216008718U - Prefilter for installing miniature turn-back type cyclone tube - Google Patents
Prefilter for installing miniature turn-back type cyclone tube Download PDFInfo
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- CN216008718U CN216008718U CN202121626605.3U CN202121626605U CN216008718U CN 216008718 U CN216008718 U CN 216008718U CN 202121626605 U CN202121626605 U CN 202121626605U CN 216008718 U CN216008718 U CN 216008718U
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- prefilter
- pipe
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- mounting
- air inlet
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Abstract
The utility model discloses a prefilter for installing a miniature turn-back type cyclone tube, which comprises a straight tube section and a conical tube section arranged on the lower side of the straight tube section, wherein a tangential air inlet is arranged on one side of the straight tube section, an air outlet tube is arranged on the upper side of the straight tube section, a limiting bulge is arranged on one side of the air outlet tube, and a dust guide port is arranged on the lower side of the conical tube section. The tangential air inlet is arranged on one side of the straight pipe section, so that the space is saved, the structure of the back-folded cyclone pipe is compact, and the installation volume is reduced; meanwhile, the limiting protrusion on one side of the air outlet pipe is beneficial to installation, and the rotational flow pipe is prevented from rotating or sliding in installation and use, so that the tangential air inlet is kept at a certain angle.
Description
Technical Field
The utility model relates to the technical field of air inlet filtration, in particular to a prefilter for installing a miniature turn-back type cyclone tube.
Background
Swirl tubes have been widely used in dust removal equipment and in vehicle dust extraction systems, and in fuel and gas engine air intake systems. The cyclone tube separates dust by centrifugal sedimentation, so that a dust removal effect is achieved; when the dust-containing gas enters the cyclone tube from the gas inlet at a certain speed to form rotary motion, the gas flow forms an outer cyclone flow from outside to inside in the period; the centrifugal force generated in the strong rotation process throws dust particles with density far higher than that of gas to the wall of the vessel; once in contact with the wall, the dust particles lose their inertia and fall down along the wall into the dust collection chamber by the momentum of the inlet velocity and their own weight.
At present, the back-turning type cyclone tube applied to a dust exhaust system of dust removal equipment and vehicles and an air inlet system of a fuel oil and gas engine determines large volume and large installation space due to the structure of the back-turning type cyclone tube, and is difficult to meet the requirements of most working conditions of the industries.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model provides a prefilter for installing a miniature turn-back type cyclone tube, which is compact in structure and beneficial to saving space.
The utility model discloses a miniature turn-back type vortex tube which comprises a straight tube section and a conical tube section arranged on the lower side of the straight tube section, wherein a tangential air inlet is formed in one side of the straight tube section, an air outlet tube is arranged on the upper side of the straight tube section, a limiting protrusion is arranged on one side of the air outlet tube, and a dust guide port is formed in the lower side of the conical tube section.
Preferably, the lower part of the straight pipe section is flush with the lower part of the tangential air inlet.
Preferably, the lower side of the outlet pipe extends towards the straight pipe section.
Preferably, the lower side of the conical pipe section is provided with an installation boss, and the lower side of the installation boss is provided with a conical installation boss.
Preferably, a clamping groove is formed between the mounting boss and the conical mounting table.
The utility model also provides a prefilter for installing the miniature turn-back type cyclone tube, which comprises a base and an upper cover arranged on the upper side of the base, wherein the base is provided with a first mounting plate and a second mounting plate which are arranged at intervals;
an air inlet is formed in the side wall of the mounting cavity between the first mounting plate and the second mounting plate, and the tangential air inlet is communicated with the air inlet;
the upper side of the first mounting plate is provided with an air collecting cavity, and an air outlet of the air outlet pipe is communicated with the air collecting cavity;
the air collecting cavity is provided with an exhaust pipe, and an air outlet of the exhaust pipe extends towards the lower side of the base;
and a dust collecting cavity is arranged on the lower side of the second mounting plate, and the dust guide port is communicated with the dust collecting cavity.
Preferably, the air inlet is arranged in a net shape.
Preferably, a notch matched with the limiting protrusion is arranged on the mounting hole on the first mounting plate; the middle parts of the first mounting plate and the second mounting plate are provided with pipe holes matched with the exhaust pipe.
Preferably, a dust exhaust port is arranged at the lower side of the dust collection cavity.
Preferably, a plurality of miniature turn-back type cyclone tubes are arranged in the installation cavity.
Compared with the prior art, the utility model has the beneficial effects that: the tangential air inlet is arranged on one side of the straight pipe section, so that the space is saved, the structure of the back-folded cyclone pipe is compact, and the installation volume is reduced; meanwhile, the limiting protrusion on one side of the air outlet pipe is beneficial to installation, and the rotational flow pipe is prevented from rotating or sliding in installation and use, so that the tangential air inlet is kept at a certain angle.
Drawings
FIG. 1 is a schematic view of the structure of a miniature reentrant swirl tube of the present invention;
FIG. 2 is a cross-sectional view of a miniature turnback swirl tube;
FIG. 3 is a schematic diagram of a prefilter construction;
FIG. 4 is a cross-sectional view of a prefilter;
FIG. 5 is a top view of the base;
fig. 6 is a schematic structural view of the first mounting plate.
The labels in the figure are: 1, a miniature reentrant cyclone tube, 11 straight tube sections, 12 tangential air inlets, 13 air outlets, 14 dust guide ports, 15 air outlet tubes, 16 limiting bulges, 17 mounting bosses, 18 conical mounting tables and 19 conical tube sections; the dust collector comprises a base 21, an upper cover 22, a first mounting plate 23, a second mounting plate 24, a mounting hole 25, a pipe hole 26, an air inlet 31, a dust exhaust port 32, an air outlet 33, an exhaust pipe 34, a mounting cavity 35, an air collecting cavity 36 and a dust collecting cavity 37.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The utility model is described in further detail below with reference to the attached drawing figures:
the utility model provides a miniature formula swirl tube 1 that turns back, as shown in fig. 1 and fig. 2, includes straight tube section 11 and sets up at the awl tube section 19 of straight tube section 11 downside, and 11 one sides of straight tube section are equipped with tangential air inlet 12, and 11 upsides of straight tube section are equipped with outlet duct 15, and outlet duct 15 one side is equipped with spacing arch 16, and 19 downsides of awl tube section are equipped with leads dirt mouth 14.
The tangential air inlet is arranged on one side of the straight pipe section, so that the space is saved, the structure of the back-folded cyclone pipe is compact, and the installation volume is reduced; meanwhile, the limiting protrusion on one side of the air outlet pipe is beneficial to installation, and the rotational flow pipe is prevented from rotating or sliding in installation and use, so that the tangential air inlet is kept at a certain angle.
The lower part of the straight pipe section is flush with the lower part of the tangential air inlet, namely the bottommost end of the straight pipe section and the bottommost end of the air inlet are on the same level, the height of the integral turn-back type cyclone pipe is shortened, and the structure of the cyclone pipe is more compact.
As shown in fig. 2, the lower side of the outlet pipe 15 extends toward the straight pipe section 11. The inlet air enters from the cut air inlet and moves along the inner side of the straight pipe section and the outer side wall of the air outlet pipe to rotate, so that the dust with higher density moves along the inner sides of the straight pipe section and the conical pipe section under the action of centrifugal force to reach the dust guide port, and the dust removal effect is achieved; the intake air is discharged from the outlet port 13 of the outlet pipe 15.
For the convenience of installation, the lower side of the taper pipe section 19 is provided with a mounting boss 17, and the lower side of the mounting boss 17 is provided with a conical mounting boss 18. The cone mount 18 is an interference fit with the through-hole (not shown) of the second prefilter mounting plate 24 when the cone section 19 is mounted in the through-hole.
A slot may be provided between the mounting boss 17 and the tapered mounting boss 18 to facilitate the engagement of the tapered pipe section 19 with the through hole of the second mounting plate 24.
The utility model also provides a prefilter for installing the miniature turn-back cyclone tube, which comprises a base 21 and an upper cover 22 arranged on the upper side of the base 21, wherein the base 21 is provided with a first mounting plate 23 and a second mounting plate 24 which are arranged at intervals, the straight tube section 11 is arranged on a mounting hole 25 of the first mounting plate 23, and the conical tube section 19 is arranged on a through hole of the second mounting plate 24; an air inlet 31 is arranged on the side wall of the mounting cavity 35 between the first mounting plate 23 and the second mounting plate 24, and the tangential air inlet 12 is communicated with the air inlet 31; the upper side of the first mounting plate 23 is provided with an air collecting cavity 36, and an air outlet 13 of the air outlet pipe 15 is communicated with the air collecting cavity 36; the air collecting pipe 36 is provided with an exhaust pipe 34, and an air outlet 33 of the exhaust pipe 34 extends towards the lower side of the base 21; the lower side of the second mounting plate 24 is provided with a dust collecting cavity 37, and the dust guide port 14 is communicated with the dust collecting cavity 37.
As shown in fig. 4, the inlet air enters the installation cavity from the air inlet and enters the tangential air inlet of the miniature turn-back type rotational flow pipe, and the purified air enters the air collecting cavity from the air outlet and is discharged from the air outlet of the exhaust pipe to supply purified air; dust enters the dust collecting chamber 37 through the dust guide port.
Wherein, air intake 31 is netted setting, carries out prefilter to admitting air to the filtering large granule.
As shown in fig. 6, the mounting hole 25 of the first mounting plate 23 is provided with a notch matched with the limiting protrusion 16; the middle parts of the first mounting plate 23 and the second mounting plate 24 are provided with pipe holes 26 matched with the exhaust pipes 34. As shown in fig. 4 and 5, a dust discharge port 32 is provided at a lower side of the dust collecting chamber 37. A plurality of miniature back-turning cyclone tubes 1 can be arranged in the installation cavity 35.
In one embodiment, the flow rate of the inlet air is 470 cubic meters per hour, the resistance to the inlet air is not more than 1.8kPa, the flow rate of the monomer cyclone tube is 5 cubic meters per hour, and the tangential air inlet air velocity is not more than 26 meters per second. The miniature formula vortex tube of turning back 1 adopts 3D to print, and the prefilter adopts the ya keli material to adopt 94 miniature formula vortex tubes of turning back. Tests show that when the air inflow is 470 cubic meters per hour, the resistance is 1.7kPa, the flow of the monomer cyclone tube is 5 cubic meters per hour, and the separation effect is 96 percent.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A prefilter for installing miniature back-turning cyclone tubes is composed of a base, an upper cover on said base,
the miniature reentrant swirl tube comprises a straight tube section and a conical tube section arranged on the lower side of the straight tube section,
one side of the straight pipe section is provided with a tangential air inlet, the upper side of the straight pipe section is provided with an air outlet pipe, one side of the air outlet pipe is provided with a limiting protrusion,
a dust guide opening is arranged at the lower side of the taper pipe section,
the straight pipe section is arranged on a mounting hole of the first mounting plate, and the conical pipe section is arranged on a through hole of the second mounting plate;
an air inlet is formed in the side wall of the mounting cavity between the first mounting plate and the second mounting plate, and the tangential air inlet is communicated with the air inlet;
the upper side of the first mounting plate is provided with an air collecting cavity, and an air outlet of the air outlet pipe is communicated with the air collecting cavity;
the air collecting cavity is provided with an exhaust pipe, and an air outlet of the exhaust pipe extends towards the lower side of the base;
and a dust collecting cavity is arranged on the lower side of the second mounting plate, and the dust guide port is communicated with the dust collecting cavity.
2. The prefilter of claim 1 wherein the lower portion of said straight tube section is flush with the lower portion of the tangential air inlet.
3. The prefilter of claim 1 wherein the lower side of said outlet duct extends toward said straight tube section.
4. The prefilter of claim 1 wherein the underside of said cone segments are provided with mounting bosses, and the underside of said mounting bosses are provided with tapered mounting bosses.
5. The prefilter of claim 4 wherein a catch is provided between said mounting bosses and said tapered mounting bosses.
6. The prefilter of claim 1 wherein said air inlet is in the form of a mesh.
7. The prefilter of claim 6 wherein said mounting holes in said first mounting plate are provided with notches that mate with said retention tabs; the middle parts of the first mounting plate and the second mounting plate are provided with pipe holes matched with the exhaust pipe.
8. The prefilter of claim 7 wherein said dust collection chamber is provided with a dust exhaust port on the underside thereof.
9. The prefilter of claim 1 wherein a plurality of miniature reentrant swirl tubes are disposed within said mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121626605.3U CN216008718U (en) | 2021-07-16 | 2021-07-16 | Prefilter for installing miniature turn-back type cyclone tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121626605.3U CN216008718U (en) | 2021-07-16 | 2021-07-16 | Prefilter for installing miniature turn-back type cyclone tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216008718U true CN216008718U (en) | 2022-03-11 |
Family
ID=80590234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121626605.3U Active CN216008718U (en) | 2021-07-16 | 2021-07-16 | Prefilter for installing miniature turn-back type cyclone tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216008718U (en) |
-
2021
- 2021-07-16 CN CN202121626605.3U patent/CN216008718U/en active Active
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