CN218835080U - Wing section tuyere structure and oven - Google Patents

Abstract

The utility model relates to a wing-shaped tuyere structure and a baking oven; the wind pressure cavity is provided with an air inlet, an air outlet and a guide plate; a wind shield and a drainage inclined plate are arranged at the air outlet; the drainage sloping plate is arranged between the wind shield and the guide plate; the drainage inclined plate and the wind shield are inclined towards the interior of the wind pressure cavity, and at least part of the drainage inclined plate is positioned at the inner side of the wind shield; the air flow can horizontally flow along the gap between the guide plate and the coating film surface through the arrangement, the coating film surface is supported in a suspension mode, disturbance of the air flow to the base material is reduced, the coating on the base material is dried in an even state, the yield is improved, the angle between the positioning side walls on the guide plate and the air pressure cavity can be changed to control the air volume, and therefore the air flow drying device is suitable for different base materials and achieves different drying effects.

Description

Wing section tuyere structure and oven

Technical Field

The utility model relates to a volume is to roll production technical field, especially relates to an airfoil type tuyere structure and oven.

Background

With the development and progress of the times of science and technology, production and preparation modes with low cost and high efficiency are pursued in various fields, wherein the production mode based on roll-to-roll is widely applied to various industries due to high production efficiency and large yield. In particular, a metal mesh touch film prepared based on an additive process is currently emerging, and the preparation process flow is also suitable for a high-speed roll-to-roll production process, so that the metal mesh touch film has lower cost and higher mass production, and is widely researched.

In the roll-to-roll coating process, a plurality of guide rollers are required to regulate and control the tension of the substrate so as to ensure the stable operation of the substrate. In the process needing double-sided coating, a substrate passes through a coating roller and coats the contacted upper surface, the upper surface cannot pass through a guide roller because the upper surface is not dried after the surface coating is finished, a subsequent guide roller is generally arranged on the film surface which is not coated to regulate and control the tension, then the lower surface of the substrate is coated through the coating roller, and the substrate directly enters an oven after the double-sided coating is finished and is subjected to suspension baking. However, because no guide roller is used for limiting and supporting before the transparent coating enters the oven, the base material entering the oven often has the phenomenon of vertical shaking due to airflow of the oven, so that a gap between the base material and the coating roller is slightly changed, a coating with uneven thickness can be formed on a product through reaction, and the transparent coating presents regular stripes with inconsistent colors in the transverse direction of the coiled material due to the difference of the thickness of hundreds of nanometers, so that the appearance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wing section tuyere structure and oven can blow off the advection wind to reduce the disturbance of the air current that the tuyere produced to the substrate.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides an wing section tuyere structure, includes the wind pressure cavity, the air intake has been seted up to the wind pressure cavity, the wind pressure cavity has seted up the air outlet towards on the location lateral wall of treating the stoving substrate, a side swing joint of the location lateral wall of wind pressure cavity has the guide plate.

In one embodiment, a wind shield and a drainage inclined plate are arranged at the air outlet, and the drainage inclined plate is positioned between the wind shield and the flow guide plate; the side edge of the wind shield connected with the wind pressure cavity and the side edge of the drainage sloping plate connected with the wind pressure cavity are oppositely arranged; the drainage swash plate with the deep bead all to the inside slope of wind pressure cavity, the drainage swash plate part at least is located the deep bead is inboard.

In one embodiment, the wind pressure cavity is hinged to the deflector, and the axial direction of the rotating shaft at the hinge of the wind pressure cavity and the deflector is parallel to the positioning side wall of the wind pressure cavity.

In one embodiment, the airfoil-shaped tuyere structure further comprises a level adjusting plate, one side of the flow guide plate far away from the air outlet is rotatably connected with one side of the level adjusting plate, and the rotating circumference of the rotating connection is arranged along the length direction of the side of the level adjusting plate.

In one embodiment, the deflector is hinged to the level adjustment plate, and the axial direction of a rotating shaft at the hinge of the deflector and the level adjustment plate is parallel to the positioning side wall of the wind pressure cavity.

In one embodiment, an adjusting flap is movably connected between the wind pressure cavity and the leveling plate, at least one of the wind pressure cavity and the leveling plate is movably connected with the adjusting flap, and the adjusting flap drives the leveling plate to move by taking the wind pressure cavity and the substrate to be dried as a reference, so that the leveling plate can rotate relative to the deflector.

In one embodiment, the wind pressure cavity is in a long strip shape; the both ends of wind pressure cavity are provided with perpendicular regulating plate, perpendicular regulating plate with adjust the folded plate and cooperate in order to satisfy horizontal regulating plate for the removal of treating the stoving substrate, wing section tuyere structure includes two adjust the folded plate, adjust the folded plate with perpendicular regulating plate one-to-one, perpendicular regulating plate with at least one of them of horizontal regulating plate with adjust folded plate swing joint, make horizontal regulating plate can for the guide plate rotates.

In one embodiment, the adjusting folded plate is an L-shaped folded plate, the L-shaped folded plate comprises an a plate and a B plate, angle adjusting blocks are arranged at two ends of the horizontal adjusting plate, a first waist-shaped hole is formed in the vertical adjusting plate, one end of the a plate is movably connected with the first waist-shaped hole, the other end of the a plate is connected with one end of the B plate, a second waist-shaped hole is formed in the other end of the B plate, the second waist-shaped hole is matched with the angle adjusting block in a sliding mode, and the length direction of the first waist-shaped hole is intersected with the length direction of the second waist-shaped hole.

In one embodiment, the guide plate is provided with a plurality of ventilation dispersion holes with different diameters.

An oven comprising an airfoil tuyere structure of any preceding claim.

In one embodiment, the oven comprises a plurality of airfoil-shaped air nozzle structures, and the airfoil-shaped air nozzle structures are arranged on the upper surface and the lower surface of the substrate to be dried in a staggered mode.

The utility model provides a wing section tuyere structure and oven possesses following beneficial effect: firstly, the wind shield and the drainage inclined plate are arranged at the air outlet formed in the air pressure cavity, so that air blown out of the air outlet can be smoother, and disturbance of airflow to a substrate to be dried is reduced; thereby avoiding generating gaps between the base material and the coating roller so as to avoid generating defective products due to uneven coating; secondly, through installing the guide plate at a wind pressure cavity side, not only can make the air current along guide plate and coating in the gap on the face of the membrane horizontal flow, play the effect that the suspension supported to the substrate, reduce the disturbance of air current to the substrate, make the coating on the substrate dry under the homogeneous state, can also control the amount of wind through changing the angle of location lateral wall on guide plate and the wind pressure cavity to the different substrates of better adaptation reach better stoving effect.

Drawings

Fig. 1 is a left side view of an airfoil nozzle structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention at a viewing angle;

fig. 3 is a schematic structural diagram of an embodiment of the present invention at another viewing angle;

fig. 4 is a schematic structural diagram of an embodiment of the present invention from another view angle;

fig. 5 is a partially enlarged view of a portion a in fig. 1.

Description of reference numerals:

1. a wind pressure cavity; 11. positioning the side wall; 2. an air inlet; 3. an air outlet; 4. a baffle; 41. ventilating scattered holes; 5. a level adjustment plate; 6. a vertical adjustment plate; 61. a first waist-shaped hole; 7. adjusting the folded plate; 71. a second kidney-shaped hole; 8. and (5) drying the base material.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, in some embodiments, the present invention provides an airfoil shaped tuyere structure that includes a wind pressure cavity 1. An air inlet 2 is formed in the air pressure cavity 1, an air outlet 3 is formed in a positioning side wall 11 of the air pressure cavity 1 facing the base material 8 to be dried, and a guide plate 4 is movably connected to one side edge of the positioning side wall 11 of the air pressure cavity 1; a wind shield 31 and a drainage inclined plate 32 are arranged at the air outlet 3, and the drainage inclined plate 32 is positioned between the wind shield 31 and the guide plate 4; the side edge of the wind shield 31 connected with the wind pressure cavity 1 and the side edge of the drainage sloping plate 32 connected with the wind pressure cavity 1 are oppositely arranged; drainage swash plate 32 with deep bead 31 all to the inside slope of wind pressure cavity 1, drainage swash plate 32 is at least part to be located deep bead 31 is inboard.

The utility model discloses the work flow of wing section tuyere structure does:

when starting the tuyere, heated gas enters the wind pressure cavity 1 through the air inlet 2, is uniformly mixed in the wind pressure cavity 1 and then flows to the air outlet 3. A wind shield 31 and a drainage sloping plate 32 are arranged at the air outlet 3, and the drainage sloping plate 32 and the wind shield 31 are both inclined towards the interior of the wind pressure cavity 1; and the drainage inclined plate 32 is at least partially positioned on the inner side of the wind shield 31, so that the air flow entering the air pressure cavity 1 from the air inlet 2 firstly flows to the bottom of the drainage inclined plate 32, the blocked air flow flows to the bottom of the wind shield 31 along the potential, the air flow is blocked by the bottom of the wind shield 31 and then smoothly flows out along the drainage inclined plate 32 from a gap between the bottom of the wind shield 31 and the top of the drainage inclined plate 32, the air flow is prevented from being perpendicular to the substrate 8 to be dried when being blown out, the gap between the substrate 8 to be dried and the coating roller is changed after shaking, and the coating roller forms a coating with uneven thickness on a product, so that the yield is reduced.

Further, since the inclined drainage plate 32 is located between the wind deflector 31 and the wind deflector 4, the gas flowing out along the inclined drainage plate 32 flows down to the wind deflector 4. Because the positioning side wall 11 of the air pressure cavity 1 and the guide plate 4 form a smooth wing-shaped structure, airflow smoothly flows on the wing surface, namely the airflow flows along the gap between the guide plate 4 and the base material 8 to be dried, not only can a positive pressure be formed below the base material 8 to be dried, and the base material is supported in a suspension manner, so that the disturbance of the airflow to the base material 8 to be dried is greatly reduced, the coating of the base material 8 to be dried is dried in a uniform state, and the yield is improved; meanwhile, the airflow is parallel to the substrate 8 to be dried when being blown out, so that the contact area is large, and the drying efficiency and the utilization rate of heat energy are further increased.

In some embodiments, the wind pressure cavity 1 is hinged to the deflector 4, and the axial direction of the rotating shaft at the hinge joint of the wind pressure cavity 1 and the deflector 4 is parallel to the positioning side wall 11 of the wind pressure cavity 1; the arrangement can enable the guide plate 4 to rotate relative to the wind pressure cavity 1, so that the change of the surface tortuosity of the airfoil formed by the positioning side wall 11 of the wind pressure cavity 1 and the guide plate 4 is changed.

In some embodiments, the airfoil-shaped tuyere structure further comprises a level adjustment plate 5, wherein one side of the flow guide plate 4 far away from the air outlet 3 is rotatably connected with one side of the level adjustment plate 5, and the rotation circumference of the rotating connection is arranged along the length direction of the side of the level adjustment plate 5; the arrangement of the level adjusting plate 5 can increase the area of the wing surface formed by the positioning side wall 11 and the guide plate 4, not only plays a role in guiding and dissipating the airflow blown out from the air outlet 3, but also can effectively and quickly dry the base material. In addition, based on level adjusting plate 5 and baffle 4 rotate to be connected, so further increased by location lateral wall 11, baffle 4 and level adjusting plate 5 three the airfoil surface's that constitute flexibility is adjusted to the tortuosity.

Specifically, the guide plate 4 is hinged to the leveling plate 5, and the axial direction of a rotating shaft at the hinged position of the guide plate 4 and the leveling plate 5 is parallel to the positioning side wall 11 of the wind pressure cavity 1. Set up like this and to make guide plate 4 both sides limit articulated with wind pressure cavity 1 and level adjustment board 5 respectively, can realize that guide plate 4 rotates and changes its and wind pressure cavity 1 or level adjustment board 5 between the angle, the change of the angle between guide plate 4 and wind pressure cavity 1 or level adjustment board 5 is influencing guide plate 4 and treat the change of drying the distance between the substrate 8, the change of distance between guide plate 4 and the substrate 8 of treating drying is influencing guide plate 4 again and is treating that the amount of wind is how much between the substrate 8 of drying, consequently wind pressure cavity 1, the size that can control the air current of mutually supporting between guide plate 4 and the level adjustment board 5, thereby the adjustment air current is to the interference degree of treating the substrate 8 of drying, in order to satisfy different demands.

In some embodiments, an adjusting flap 7 is movably connected between the wind pressure cavity 1 and the level adjusting plate 5, at least one of the wind pressure cavity 1 and the level adjusting plate 5 is movably connected with the adjusting flap 7, and the adjusting flap 7 drives the level adjusting plate 5 to move with reference to the wind pressure cavity 1 and the substrate 8 to be dried, so that the level adjusting plate 5 can rotate relative to the deflector 4. The adjustment flap 7 may support the level adjustment plate 5 when it is rotated relative to the deflector 4, making the whole device more robust in operation.

Specifically, the wind pressure cavity 1, the level adjusting plate 5 and the adjusting flap 7 are in sliding fit. This arrangement makes it possible to make the adjustment flap 7 more flexible and easier to rotate when driving the horizontal adjustment plate 5.

In some embodiments, the wind pressure cavity 1 is in a long strip shape; the both ends of wind pressure cavity 1 are provided with vertical adjusting plate 6, vertical adjusting plate 6 with adjust the folded plate 7 and cooperate in order to satisfy horizontal adjusting plate 5 is for waiting to dry the removal of substrate 8, wing section tuyere structure includes two adjust the folded plate 7, adjust the folded plate 7 with 6 one-to-one of vertical adjusting plate, vertical adjusting plate 6 with at least one of horizontal adjusting plate 5 two with adjust folded plate 7 swing joint, make horizontal adjusting plate 5 can for guide plate 4 rotates.

Specifically, when the wind pressure cavity 1 is in a strip shape, if the lengths of the positioning side walls of the horizontal adjusting plate 5 and the wind pressure cavity 1 are equal, the vertical adjusting plates 6 arranged at the two ends of the wind pressure cavity 1 can enable the adjusting folded plate 7 to be connected with the horizontal adjusting plate 5 more easily, so that the moving effect of the horizontal adjusting plate 5 is better.

Furthermore, the adjusting folded plate 7 is an L-shaped folded plate, the L-shaped folded plate comprises an A plate and a B plate, two ends of the horizontal adjusting plate 5 are provided with angle adjusting blocks 51, the vertical adjusting plate 6 is provided with a first waist-shaped hole 61, one end of the A plate is matched with the first waist-shaped hole 61 through a rivet, so that the other end, close to or far away from the to-be-dried substrate 8,A plate, of the horizontal adjusting plate 5 is connected with one end of the B plate, the other end of the B plate is provided with a second waist-shaped hole 71, and the second waist-shaped hole 71 is matched with the angle adjusting block 51 in a sliding mode, so that the horizontal adjusting plate 5 is close to or far away from the wind pressure cavity 1; the length direction of the first kidney-shaped hole 61 intersects with the length direction of the second kidney-shaped hole 71;

specifically, firstly, the plate A is fixed at the position, close to the substrate 8 to be dried, of the first kidney-shaped hole 61 through a rivet, so that the plate A drives the plate B fixedly connected with the plate A to displace, the plate B drives the horizontal adjusting plate 5 in sliding connection with the plate B to displace, and then the guide plate 4 hinged with the horizontal adjusting plate 5 rotates along with the plate B to cause the change of an included angle between the guide plate 4 and the positioning side wall 11, thereby realizing the control of the air volume; because the length direction of the first waist-shaped hole 61 is intersected with the length direction of the second waist-shaped hole 71, when the plates A and B move the horizontal adjusting plate 5 and the guide plate 4 to be close to the base material 8 to be dried, the angle adjusting block 51 does not generate displacement in the second waist-shaped hole 71, so the distance between the horizontal adjusting plate 5 and the wind pressure cavity 1 is unchanged;

secondly, pulling or promoting level (l) ing board 5, make the regulating block 51 that level (l) ing board 5 both ends set up slide in the second waist type hole 71 that sets up on the B board, thereby change the distance between level (l) ing board 5 and the wind pressure cavity 1, when level (l) ing board 5 is more near with wind pressure cavity 1 distance, guide plate 4 through articulated connection between wind pressure cavity 1 and level (l) ing board 5 will be extrudeed, guide plate 4's both sides limit rotates, lead to contained angle between guide plate 4 and the location lateral wall 11 to change, thereby the realization is to the regulation of amount of wind.

The air quantity of the air flow along the horizontal direction is controlled by adjusting the size of an included angle between the guide plate 4 and the positioning side wall of the air pressure body cavity 1, so that the interference degree of the air flow on the base material 8 to be dried is adjusted to adapt to different coating film surfaces.

In some embodiments, the flow guiding plate 4 is provided with a plurality of ventilation scattering holes 41 with different diameters; form a positive pressure on the coating membrane face when the air current blows off, in order to alleviate the influence of too big pressure to treating stoving substrate 8, so set up the scattered hole of ventilation on guide plate 4 to steady air pressure, thereby make the better effect on the substrate of air current, a plurality of scattered hole 41's of ventilation diameter is different moreover, makes to treat that stoving substrate 8 is better at stoving in-process stability, has the effective quick stoving substrate of being convenient for.

In some embodiments, the airfoil nozzle has a relatively low heat transfer coefficient, which can accommodate lower film tensions and thinner, more perturbable substrate processes.

In some embodiments, the airfoil tuyere has a better implementation effect on the field of the precise coating, and the device has good drying effect and high speed on the precise coating, and can greatly improve the yield of the precise coating.

The utility model also provides an oven, the oven includes the aforesaid arbitrary wing section tuyere.

In some embodiments, a plurality of airfoil-shaped air nozzles are arranged in the oven and respectively distributed on two sides of the substrate 8 to be dried, the airfoil-shaped air nozzles on the two sides of the substrate are respectively arranged at intervals, one airfoil-shaped air nozzle on the other side is correspondingly arranged between two adjacent airfoil-shaped air nozzles on one side, and the plurality of airfoil-shaped air nozzles are arranged in a vertically staggered manner, so that the shaking of the upper air opening and the lower air opening to the coating film surface is eliminated to the greatest extent, and the stability of the coating film surface is improved; and meanwhile, the drying efficiency is further improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (11)

1. An airfoil tuyere structure, its characterized in that: including wind pressure cavity (1), air intake (2) have been seted up in wind pressure cavity (1), wind pressure cavity (1) has seted up air outlet (3) towards on location lateral wall (11) of treating stoving substrate (8), a side swing joint of location lateral wall (11) of wind pressure cavity (1) has guide plate (4).

2. The airfoil nozzle structure of claim 1, wherein: a wind shield (31) and a drainage inclined plate (32) are arranged at the air outlet (3), and the drainage inclined plate (32) is positioned between the wind shield (31) and the guide plate (4); the side edge of the wind shield (31) connected with the wind pressure cavity (1) and the side edge of the drainage sloping plate (32) connected with the wind pressure cavity (1) are oppositely arranged; drainage swash plate (32) with deep bead (31) all to wind pressure cavity (1) inside slope, drainage swash plate (32) at least part is located deep bead (31) are inboard.

3. The airfoil tuyere structure of claim 1, wherein: articulated between wind pressure cavity (1) and guide plate (4), the axial of the pivot of wind pressure cavity (1) and the articulated department of guide plate (4) with the location lateral wall (11) of wind pressure cavity (1) are parallel.

4. The airfoil tuyere structure of claim 1, wherein: wing section tuyere structure still includes level adjusting plate (5), guide plate (4) are kept away from a side of air outlet (3) with a side of level adjusting plate (5) is rotated and is connected, and this rotation circumference that rotates the junction is followed the length direction of this side of level adjusting plate (5) arranges.

5. The airfoil nozzle structure of claim 4, wherein: guide plate (4) with it is articulated between level adjusting plate (5), guide plate (4) with the axial of the pivot of level adjusting plate (5) articulated department with location lateral wall (11) of wind pressure cavity (1) are parallel.

6. The airfoil tuyere structure according to claim 4 or 5, wherein: swing joint has regulation folded plate (7) between wind pressure cavity (1) and level adjusting plate (5), wind pressure cavity (1) with at least one of them of level adjusting plate (5) with adjust folded plate (7) swing joint, it drives to adjust folded plate (7) level adjusting plate (5) use wind pressure cavity (1) and treat that stoving substrate (8) remove as the benchmark, make level adjusting plate (5) can for guide plate (4) rotate.

7. The airfoil nozzle structure of claim 6, wherein: the wind pressure cavity (1) is in a strip shape; the both ends of wind pressure cavity (1) are provided with vertical adjusting plate (6), vertical adjusting plate (6) with adjust folded plate (7) and cooperate in order to satisfy horizontal adjusting plate (5) for the removal of treating stoving substrate (8), wing section tuyere structure includes two adjust folded plate (7), adjust folded plate (7) with vertical adjusting plate (6) one-to-one, vertical adjusting plate (6) with at least one of them in horizontal adjusting plate (5) with adjust folded plate (7) swing joint, make horizontal adjusting plate (5) can for guide plate (4) rotate.

8. The airfoil tuyere structure of claim 7, wherein: adjust folded plate (7) and adopt L shape folded plate, L shape folded plate includes A board and B board, the both ends of level adjusting plate (5) are provided with angle adjusting block (51), first waist shape hole (61) have been seted up in perpendicular regulating plate (6), the one end and the first waist shape hole (61) swing joint of A board, the other end of A board is connected with the one end of B board, second waist shape hole (71) have been seted up to the other end of B board, second waist shape hole (71) with angle adjusting block (51) sliding fit, the length direction in first waist shape hole (61) with the length direction in second waist shape hole (71) is crossing.

9. An airfoil nozzle structure according to any one of claims 1 to 5, wherein: the guide plate (4) is provided with a plurality of ventilation and dispersion holes (41) with different diameters.

10. An oven, characterized in that: comprising an airfoil tuyere structure as claimed in any one of claims 1 to 9.

11. Oven according to claim 10, characterized in that: the drying oven comprises a plurality of wing-shaped air nozzle structures, and the wing-shaped air nozzle structures are arranged on the upper surface and the lower surface of the base material (8) to be dried in a staggered mode.

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