CN218013887U

CN218013887U - Air knife type tuyere baking oven

Info

Publication number: CN218013887U
Application number: CN202222197652.1U
Authority: CN
Inventors: 袁飞; 蒋照杰
Original assignee: Shenzhen Hongtongsheng Technology Partnership LP
Current assignee: Shenzhen Hongtongsheng Technology Partnership LP
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-12-13
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses an air knife type air nozzle drying oven, which comprises a lower box body, a plurality of roller pieces, an upper box body, an air chamber and an air nozzle, wherein the lower box body is provided with an inlet and an outlet; the upper box body is covered on the lower box body, the air chamber is arranged on the upper box body, and the height of the air chamber is gradually reduced along the direction from the inlet to the outlet; the air chamber is provided with an air inlet, the air inlet is positioned at one end of the air chamber close to the inlet, the air nozzles are sequentially arranged below the air chamber at intervals along the length direction of the upper box body, the air inlet ends of the air nozzles are communicated with the air chamber, and the air outlet ends of the air nozzles face the strips. This application has avoided the film turn-up scheduling problem to appear, has also guaranteed oven-dry mass.

Description

Air knife type tuyere baking oven

Technical Field

The utility model relates to an oven technical field specifically, relates to an air knife formula tuyere oven.

Background

In the production process of strip products, it is often necessary to perform a drying process on strips, for example, a drying process is required after coating a film strip such as a separator. At present, the oven is generally adopted in the industry to dry the strip products. However, when the existing oven is used for drying the film strip, the uniformity of air blowing to the film strip is not enough, so that the problems of curling of the film and the like can be caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an air knife formula tuyere oven.

The utility model discloses a wind sword formula tuyere oven, it includes:

a lower tank having an inlet and an outlet;

the multiple roller passing pieces are arranged in the lower box body at intervals in sequence along the length direction of the lower box body, and the strip enters from the inlet, passes through the multiple roller passing pieces in sequence and then extends out from the outlet;

the upper box body is covered on the lower box body;

the air chamber is arranged in the upper box body, and the height of the air chamber is gradually reduced along the direction from the inlet to the outlet; the air chamber is provided with an air inlet, and the air inlet is positioned at one end of the air chamber close to the inlet; and

the air nozzles are sequentially arranged below the air chamber at intervals along the length direction of the upper box body, the air inlet ends of the air nozzles are communicated with the air chamber, and the air outlet ends of the air nozzles face the strips.

According to the utility model discloses an embodiment has a plurality of arc deep beads in the plenum, and each arc deep bead extends towards the inside of plenum by the air intake, and the upper end of a plurality of arc deep beads sets up along the length direction of last box interval in proper order, and the lower extreme of a plurality of arc deep beads sets up along the direction of height of plenum interval in proper order, forms inlet air channel between two adjacent arc deep beads, and inlet air channel's air outlet towards the narrower one end of plenum.

According to the utility model discloses an embodiment, along the width direction of last box, the both ends of arc deep bead are formed with the mesh board.

According to one embodiment of the present invention, the tuyere includes a tuyere main body and a wind filter plate; the air inlet end of the air nozzle main body is communicated with the air chamber, the air filtering plate is arranged at the air inlet end of the air nozzle main body, and the air outlet end of the air nozzle main body faces the strip.

According to the utility model discloses an embodiment, the tuyere is still including dismantling the connecting piece, and the both ends of tuyere main part are respectively through dismantling the outer wall connection of connecting piece and plenum.

According to the utility model discloses an embodiment, the tuyere still includes the sealing member, and the sealing member is located between the air inlet end of tuyere main part and the plenum to set up around the air inlet end.

According to the utility model discloses an embodiment, the air-out end of tuyere main part is formed with the wind-collecting structure.

According to the utility model discloses an embodiment, tuyere still includes collection wind hole and two dispersion boards, collection wind hole and collection wind mouth intercommunication, and two dispersion boards are located the relative both sides in collection wind hole respectively, and collection wind hole faces the strip.

According to the utility model discloses an embodiment, the reverse extension line of two dispersion boards is crossing, and both crossing contained angles are the obtuse angle.

According to the utility model discloses an embodiment, it still has the thermovent to go up the box.

The beneficial effect of this application lies in: along the direction of import to export, thickness with the plenum reduces gradually, thus, from the hot-blast when flowing towards the export direction of the entering of the air intake department that is close to the strip import, because the flow space diminishes, strength of flow can strengthen indirectly, make the wind-force in the whole length in the plenum keep level mutually, then the tuyere of a plurality of intervals of rethread setting blows to the hot-blast more even that can of film class strip, temperature and wind-force keep level relatively, thereby the curling scheduling problem appears in the film has been avoided, drying quality has also been guaranteed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural diagram of an air knife type air nozzle oven in the embodiment;

FIG. 2 is a schematic structural diagram of an air chamber and an air nozzle in an embodiment;

FIG. 3 is a schematic structural diagram of an air inlet and an air nozzle in the embodiment;

FIG. 4 is a schematic structural view of an air inlet and an arc-shaped wind deflector in the embodiment;

FIG. 5 is a sectional view of a tuyere in the embodiment.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of various embodiments of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, such practical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front, and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

For further understanding of the contents, features and functions of the present invention, the following embodiments are enumerated in conjunction with the drawings, and the following detailed description is given:

referring to fig. 1 to 2, fig. 1 is a schematic structural view of an air knife type air nozzle oven in an embodiment, and fig. 2 is a schematic structural view of an air chamber and an air nozzle in the embodiment. The air knife type air nozzle drying oven in the embodiment comprises a box body 1, a roller piece 2, an air chamber 3 and an air nozzle 4. The housing 1 includes a lower housing 11 and an upper housing 12, the lower housing 11 having an inlet 111 and an outlet (not shown). In box 11 was located down to a plurality of roller spare 2, a plurality of roller spare 2 of crossing set up along the length direction of box 11 interval in proper order down, and the strip gets into by import 111, passes through a plurality of roller spare 2 backs in proper order, stretches out by the export again. The upper case 12 is covered on the lower case 11. The air chamber 3 is arranged on the upper box body 12, and the thickness of the air chamber 3 is gradually reduced along the direction from the inlet 111 to the outlet; the plenum 3 has an air inlet 31, and the air inlet 31 is located at one end of the plenum 3 close to the inlet 111. The air nozzles 4 are sequentially arranged below the air chamber 3 at intervals along the length direction of the upper box body 12, the air inlet ends of the air nozzles 4 are communicated with the air chamber 3, and the air outlet ends of the air nozzles 4 face the strips.

It can be understood that the wind power when the air inlet 31 enters is the largest, the wind power is gradually weakened along with the flowing of the air flow in the air chamber 3, and the thickness of the air chamber 3 is gradually reduced along the direction from the inlet 111 to the outlet, thus, when the hot air entering from the air inlet 31 close to the strip inlet 111 flows towards the outlet direction, the flowing space is reduced, the flowing strength is indirectly strengthened, the wind power in the whole length in the air chamber 3 is kept equal, then the hot air blown to the film strips by the air nozzles 4 arranged at intervals is more uniform, the temperature and the wind power are kept equal relatively, thereby the problems of curling and the like of the films are avoided, and the drying quality is also ensured.

Specifically, the lower box 11 is rectangular, the upper part of the lower box is open, and the inlet 111 and the outlet are respectively arranged on two opposite end walls of the lower box 11. The strip is a film-shaped strip, extends into the lower box body 11 from the inlet 111, sequentially passes through the plurality of roller pieces 2 and then extends out from the outlet; the strip moves under the action of external force, for example, an external winding roller winds the strip, so that the strip moves in the lower box body 11, and the over-roller part 2 is matched with the movement of the strip for rolling support, so as to ensure the smooth flow of the strip. The roller passing part 2 in this embodiment may adopt the cooperation of the existing motor, roller shaft and belt linkage, and is not described herein again.

The air chamber 3 is a box body with an inner cavity, the shape and the size of the upper box body 12 are matched with those of the lower box body 11, the upper end of the air inlet 31 is arranged on the upper wall of the upper box body 12, and the lower end of the air inlet extends and is communicated to the inside of the air chamber 3. When the upper box body 12 is covered on the lower box body 11, the upper box body and the lower box body form a complete box body structure, at the moment, the lower wall of the air chamber 3 is parallel to the strips, the air nozzles 4 are sequentially arranged at intervals along the lower wall of the air chamber 3, the sequential connecting lines of the air nozzles 4 are parallel to the strips, and the air outlet ends of the air nozzles 4 are opposite to the strips. The upper wall of the air chamber 3 is obliquely arranged, so that the thickness of the air chamber 3 is gradually reduced from the inlet 111 to the outlet, the sectional area of the air chamber 3 is gradually reduced, when hot air flow entering from the air inlet 31 flows, the flowing channel is reduced because the sectional area is gradually reduced, the strength is increased, and the strength of the air flow entering the air nozzle 4 from the lower wall of the air chamber 3 is relatively equal. Preferably, the upper casing 12 further has a heat radiating opening 121, and the heat radiating opening 121 is provided on the upper wall of the upper casing 12 near the narrower end of the plenum 3. The arrangement of the heat dissipation port 121 is convenient for heat dissipation of the whole heat of the oven, and local overlarge temperature is avoided.

Referring to fig. 3 and 4 together, fig. 3 is a schematic structural diagram of an air inlet and an air nozzle in an embodiment, and fig. 4 is a schematic structural diagram of an air inlet and an arc-shaped wind deflector in an embodiment. Further, a plurality of arc wind shields 32 are arranged in the air chamber 3, each arc wind shield 32 extends towards the inside of the air chamber 3 from the air inlet 31, the upper ends of the arc wind shields 32 are sequentially arranged at intervals along the length direction of the upper box body 12, the lower ends of the arc wind shields 32 are sequentially arranged at intervals along the height direction of the air chamber 3, an air inlet channel is formed between every two adjacent arc wind shields 32, and the air outlet of the air inlet channel faces towards the narrow end of the air chamber 3.

The lower extreme of a plurality of arc deep bead 32 sets up along the direction of height of plenum 3 interval in proper order for in the inside of plenum 3, corresponding air intake 31's position, the inlet air channel of the narrower one end of a plurality of air outlets orientation plenum 3 has been formed, so, the hot-blast from air intake 31 entering, can flow towards the narrower one end of plenum 3 through arc inlet air channel is smooth, form the direction of distinguished and admirable, make distinguished and admirable can be faster enter into the narrower one end of plenum 3, thereby further guarantee the wind strength in the narrower one end of plenum 3.

Preferably, mesh plates 321 are formed at both ends of the arc wind guard 32 along the width direction of the upper case 12. The mesh plate 321 is arranged to evenly divide the wind flow near the air inlet 31, so as to avoid the wind force which is not guided by the air inlet 31 from directly striking into the air nozzle 4 below the air inlet 31, which causes the wind force to be larger, and further ensure the balance of the wind force below the air chamber 3.

Preferably, when the air inlet 31 moves towards the middle position of the air chamber 3, the air chamber 3 can be set to be thick in the middle and narrow at the two ends, and the air outlet of the air inlet channel formed by the arc-shaped air baffles 32 can face the relatively narrow two ends of the air chamber 3.

Referring also to fig. 5, fig. 5 is a cross-sectional view of the tuyere in the embodiment. Further, the tuyere 4 includes a tuyere main body 41 and a wind filter plate 42; the air nozzle main body 41 is arranged in the air chamber 3, the air inlet end of the air nozzle main body 41 is communicated with the air chamber 3, the air filter plate 42 is arranged at the air inlet end of the air nozzle main body 41, and the air outlet end of the air nozzle main body 41 faces the strip. The air flow from the air chamber 3 into the nozzle body 41 is more uniform by the arrangement of the air filter 42. The air filter plate 42 in this embodiment is a plate with uniformly distributed through holes.

Preferably, the tuyere 4 further includes a detachable connector 43, and both ends of the tuyere main body 41 are connected to the outer wall of the air chamber 3 through the detachable connector 43, respectively. The tuyere main body 41 is provided as a detachable structure so as to facilitate detachment and maintenance of the tuyere 4. In this embodiment, the detachable connecting member 43 may adopt an existing detachable structure, and will not be described herein.

Preferably, the tuyere 4 further includes a sealing member 44, and the sealing member 44 is positioned between the air intake end of the tuyere body 41 and the air chamber 3 and is disposed around the air intake end. By the provision of the seal 44, the flow of air from the air chamber 3 into the tuyere main body 41 is prevented from leaking out. The sealing element 44 in this embodiment is a sealing ring, the upper end of the air nozzle main body 41 is in a through hole shape, a hole is reserved on the lower wall of the air chamber 3 and is opposite to the reserved hole of the air chamber 3, when the air nozzle main body 44 is attached to the lower wall of the air chamber 3, the through hole on the upper end of the air nozzle main body 41 is opposite to the reserved hole of the air chamber 3, the sealing ring is located between the air nozzle main body 41 and the lower wall of the air chamber 3, and the air filtering plate 42 is covered on the reserved hole of the air chamber 3. Preferably, the seal 44 is a hollow structure.

Preferably, the air outlet end of the nozzle body 41 is formed with an air collecting structure 411. The wind collecting structure 411 is provided to facilitate the collection of the wind ejected from the wind nozzle 4. The tuyere main body 41 in this embodiment is approximately rectangular box-shaped, and the lower end thereof is formed into a V-shaped structure by two plates, thereby forming a wind collecting structure 411.

Preferably, the tuyere 4 further includes an air collecting hole 45 and two dispersion plates 46, the air collecting hole 45 is communicated with the air collecting opening 411, the two dispersion plates 46 are respectively located at two opposite sides of the air collecting hole 45, and the air collecting hole 45 faces the strip. The opposite extension lines of the two dispersion plates 46 intersect, and the angle at which the two intersect is an obtuse angle. The air flow at the air outlet end of the air nozzle main body 41 is concentrated through the air collecting hole 45, and then the two dispersion plates 46 are used for guiding and dispersing, so that the air blown out of the air nozzle 4 is concentrated and uniform, the thin film strip can be better flattened, and the problem of edge curling of the thin strip is further avoided.

In conclusion, the hot air blown out by the air knife type air nozzle drying oven in the embodiment is uniform, the thin film strip can be better flattened, and the problem of edge curling of the light and thin strip is avoided.

The above is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an air knife formula tuyere oven which characterized in that includes:

a lower box (11) having an inlet (111) and an outlet;

the roll passing pieces (2) are arranged in the lower box body (11), the roll passing pieces (2) are sequentially arranged at intervals along the length direction of the lower box body (11), and a strip enters from the inlet (111), sequentially passes through the roll passing pieces (2) and then extends out from the outlet;

an upper box body (12) covered on the lower box body (11);

the air chamber (3) is arranged in the upper box body (12), and the height of the air chamber (3) is gradually reduced along the direction from the inlet (111) to the outlet; the air chamber (3) is provided with an air inlet (31), and the air inlet (31) is positioned at one end of the air chamber (3) close to the inlet (111); and

the air nozzles (4) are sequentially arranged below the air chamber (3) at intervals along the length direction of the upper box body (12), the air inlet ends of the air nozzles (4) are communicated with the air chamber (3), and the air outlet ends of the air nozzles (4) face the strips.

2. The air knife type air nozzle oven as claimed in claim 1, wherein a plurality of arc-shaped air baffles (32) are arranged in the air chamber (3), each arc-shaped air baffle (32) extends from the air inlet (31) to the inside of the air chamber (3), the upper ends of the arc-shaped air baffles (32) are sequentially arranged at intervals along the length direction of the upper box body (12), the lower ends of the arc-shaped air baffles (32) are sequentially arranged at intervals along the height direction of the air chamber (3), an air inlet channel is formed between two adjacent arc-shaped air baffles (32), and the air outlet of the air inlet channel faces to the narrower end of the air chamber (3).

3. The air knife type tuyere oven of claim 2, wherein mesh plates (321) are formed at both ends of the arc-shaped wind guard (32) along the width direction of the upper case (12).

4. The air knife tuyere oven of claim 1, characterized in that said tuyere (4) comprises a tuyere body (41) and a wind filter plate (42); the air nozzle main body (41) is arranged in the air chamber (3), the air inlet end of the air nozzle main body (41) is communicated with the air chamber (3), the air filtering plate (42) is arranged at the air inlet end of the air nozzle main body (41), and the air outlet end of the air nozzle main body (41) faces the strip.

5. The air knife type air nozzle oven according to claim 4, characterized in that the air nozzle (4) further comprises a detachable connector (43), and both ends of the air nozzle main body (41) are respectively connected with the outer wall of the air chamber (3) through the detachable connector (43).

6. The air knife tuyere oven of claim 4, characterized in that said tuyere (4) further comprises a sealing member (44), said sealing member (44) being located between an air intake end of said tuyere main body (41) and said air chamber (3) and being disposed around said air intake end.

7. The air knife type air nozzle oven according to claim 4, characterized in that the air outlet end of the air nozzle main body (41) is formed with an air collecting structure (411).

8. The air knife type air nozzle drying oven according to claim 7, characterized in that the air nozzle (4) further comprises an air collecting hole (45) and two dispersion plates (46), the air collecting hole (45) is communicated with the air collecting structure (411), the two dispersion plates (46) are respectively located at two opposite sides of the air collecting hole (45), and the air collecting hole (45) faces the strip.

9. Air knife tuyere baking oven according to claim 8, characterized in that the opposite extensions of the two dispersion plates (46) intersect and the angle at which they intersect is obtuse.

10. The air knife tuyere oven of claim 1, characterized in that said upper box (12) further has a heat dissipating vent (121).