RU2616685C1 - Air swirler - Google Patents

Abstract

FIELD: machine engineering.

SUBSTANCE: air swirler has a disk shape and includes a plurality of input channels tangential air supply, characterized in that is made of a plurality of connecting panels, each of which is composed of z-shaped and has an upper connecting portion, an intermediate portion and a lower connecting portion connected to form between each input channel connecting panels tangential air supply, tapering with an angle such that the sum of the angles of the tapered input tangential channels is 360°.

EFFECT: efficient combustion of waste, biowaste at minimal cost.

4 cl, 5 dwg

Description

The invention relates to devices and devices for supplying air to the combustion chamber, and in particular to an air swirl.

Various designs of devices for swirling air in the tangential direction are known. For example, from patent RU 2555029, publ. 07/10/2015, a vortex chamber for contacting gas and liquid is known, including a spinning device with one or more shells opening in the direction of flow with ends that overlap each other in radius. The areas of their overlap form tangential gaps for the withdrawal of fluid from the chamber. The fluid outlet is formed by one or more tangential slots connecting the vortex chamber to the gas inlet region.

From patent CN104329689 A, publ. 02/04/2015, also known vortex combustion chamber, including a device for swirling the gas flow, which is a disk with tangential guides.

As a prototype of the selected swirl, known from patent CN102378878A, publ. 03/14/2012, made in the form of a disk containing partitions, forming channels for the tangential flow inlet.

The above devices operate according to a rather simple principle, but their design is relatively difficult to implement, which makes it almost impossible to create such a device without special equipment and machines.

The problem solved by the invention is the creation of a swirl for tangential air supply to the combustion chamber, consisting of simple elements for the possibility of its implementation in domestic conditions.

Disclosure of invention

The problem is solved due to the fact that the air swirl of the present invention consists of flat connecting panels bonded to each other with the formation of channels between them for tangential air supply to the combustion chamber.

To solve this problem, each connecting panel is folded in a z-shape, that is, it has two parallel fold lines, and the folds are made at right angles, due to which the planes of the upper and lower connecting parts of each panel are parallel, and the plane of the intermediate part is perpendicular to them.

As the material of the connecting panel, a rectangular metal sheet can be used with sufficient flexibility to be folded as described above.

The connecting panels are fastened so that the upper and lower connecting parts of one panel lie on the upper and lower connecting parts of the other panel, respectively, with the formation of the inlet channel for supplying air. This channel is bounded from below by the lower connecting part of one connecting panel, from above by the upper connecting part of the other connecting panel, and from the sides by intermediate parts of both panels. The connecting panels are fastened so that the intermediate parts of adjacent connecting panels are at a given angle, which is determined by the formula: φ = 360 / n, where φ is the angle between the intermediate parts of adjacent connecting panels; n is the number of connecting panels used.

For the convenience of fastening, it is better if lines for folding and fastening are applied on the connecting panels.

FIG. 1 is a perspective view illustrating a rectangular panel in one embodiment of the present invention;

FIG. 2 is a perspective view illustrating an air swirl consisting of connecting panels of FIG. 1;

FIG. 3 is a perspective view illustrating a connection panel according to another embodiment of the present invention;

FIG. 4 is a perspective view illustrating an air swirl consisting of connecting panels of FIG. 2.

FIG. 5 is a perspective view illustrating the use of the swirler of the present invention.

Designations in the figures of the drawings: 1, 1 '- connection panel; 2 - upper connecting part; 3 - intermediate part; 4 - lower connecting part; 5 - fold lines; 6 - line of attachment of the upper connecting part; 7 - line of attachment of the lower connecting part; 8, 8 '- tangential channel; 9, 9 '- air swirl; 10 - combustion chamber; 11 - a pan for ash; 12 - lattice.

In FIG. 1 shows a connecting panel 1 of a rectangular shape made of sheet metal with a length of 400 mm, a width of 165 mm and a thickness of 0.5 mm, folded in a z-shape along fold lines 5.

According to a preferred embodiment of the present invention, sixteen connecting panels 1 are used, which are fastened as follows.

A second one is laid on the first connecting panel 1 so that the upper connecting part 2 of the second connecting panel 1 lies on the upper connecting part 2 of the first connecting panel 1, and the lower connecting part 4 of the second connecting panel 1 lies on the lower connecting part 4 of the first connecting panel 1. By for this embodiment, for ease of assembly, on each connection panel 1 there is a fastening line of the upper connecting part 6 and a fastening line of the lower connecting part 7, wherein the attachment line of the upper connecting part 6 and the fold line 5 is 22.5 °, and the angle between the attachment line of the lower connecting part 7 and the fold line 5 is also 22.5˚. The second connecting panel 1 is laid on the first so that the fastening line 6 of the second connecting panel 1 lies on the fold line 5 of the first connecting panel 1, and the fold line 5 of the second connecting panel 1 lies on the fastening line 7 of the first connecting part. As a result, the angle between the two intermediate parts 3 of the two fastened connecting panels 1 is 22.5 °.

The connecting panels 1 are fixed to each other in any suitable manner, preferably by riveting.

The remaining connecting panels 1 are fixed in the same way, with the formation of the air swirl 9, shown in figure 2, with input channels for tangential air supply 8, formed between each connecting panel 1.

In another embodiment shown in FIG. 3, the connection panel 1 ′ differs from the connection panel 1 in the first embodiment in a geometric shape. This connecting panel 1 'is obtained by cutting from the connecting panel 1 of the sections that protrude during assembly with the remaining connecting panels.

Thus, in the second embodiment, the swirl 9 ', consisting of panels 1', differs from the swirl 1 in the embodiment in a more aesthetic appearance (Fig. 4).

The swirler of the first embodiment of the present invention was tested when used for burning garbage in a combustion chamber, as indicated in FIG. After firing up the garbage on the grate 12, the air by self-drawing through the inlet channels of the tangential air supply 8 enters the combustion chamber 10. Due to this shape of the channels 8, the air entering the combustion chamber swirls, forming a vortex that improves combustion and decomposition of complex chemical compounds. The ash fell into the pallet 11, mounted under the swirl. As the combustion chamber 10, a conventional two-liter barrel was used.

Thus, it is obvious that the present invention is simple enough to implement, which allows you to create it even in domestic conditions, and it is also possible to use it for efficient burning of waste, biowaste, etc. with minimal cost.

Claims (4)

1. An air swirl having a disk shape and including many input channels of tangential air supply, characterized in that it is made of many connecting panels, each of which is folded z-shaped and has an upper connecting part, an intermediate part and a lower connecting part, connected to form between each two connecting panels of the inlet channel of the tangential air supply, tapering with such an angle that the sum of the angles of all the tapering inlet tangential channels is 360 °. 2. The swirler according to claim 1, characterized in that sixteen connecting panels are used, wherein the narrowing angle of each tangential channel is 22.5 °. 3. The swirler according to claim 1, characterized in that the original unfolded connecting panel has a rectangular shape. 4. The swirler according to claim 1, characterized in that on the connecting panel there are lines for folding and lines for fastening.

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