Hot air dispersion tee joint for grain drying equipment

Abstract

The utility model discloses a hot air dispersion tee joint for grain drying equipment, which belongs to the technical field of grain drying equipment, is mounted at the tail end of a hot air pipe in the drying equipment and comprises an air outlet pipe, an air inlet pipe connected with the hot air pipe is vertically communicated with the middle of the air outlet pipe, and an air inlet is arranged on the air inlet pipe. A first air outlet and a second air outlet are formed in the two ends of the air outlet pipe respectively, a dividing structure matched with the air inlet pipe is arranged in the air outlet pipe, and a first air dispersing structure and a second air dispersing structure which are correspondingly matched with the first air outlet and the second air outlet are installed at the two ends of the air outlet pipe respectively.

Description

TECHNICAL FIELD

[0001] The utility model relates to a grain drying equipment technical field, concretely relates to a hot air dispersion tee for grain drying equipment. BACKGROUND

[0002] Grain needs to be dried and stored after harvesting due to its high moisture content, so as to obtain a longer storage period. The existing grain dryer needs to lift the grain to a certain height, and the hot air is used for drying during the falling process. However, the existing drying equipment usually uses a hot air pipe to directly introduce hot air into the drying equipment. Since the hot air separated from the hot air pipe has a high initial velocity, the distribution of the hot air in the drying equipment is uneven, which affects the drying effect. SUMMARY

[0003] To solve the problems in the prior art, the utility model provides a hot air dispersion tee for grain drying equipment, which is installed at the end of the hot air pipe in the drying equipment and comprises an air outlet pipe, wherein a gas inlet pipe connected with the hot air pipe is vertically connected to the middle part of the air outlet pipe, an air inlet is arranged on the gas inlet pipe, first and second air outlets are arranged at the two ends of the air outlet pipe, a division structure matched with the gas inlet pipe is arranged in the air outlet pipe, and first and second air dispersion structures matched with the first and second air outlets are arranged at the two ends of the air outlet pipe.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A hot air dispersion tee for grain drying equipment is installed at the end of the hot air pipe in the drying equipment and comprises an air outlet pipe, wherein a gas inlet pipe connected with the hot air pipe is vertically connected to the middle part of the air outlet pipe, an air inlet is arranged on the gas inlet pipe, first and second air outlets are arranged at the two ends of the air outlet pipe, a division structure matched with the gas inlet pipe is arranged in the air outlet pipe, and first and second air dispersion structures matched with the first and second air outlets are arranged at the two ends of the air outlet pipe.

[0006] Preferably, the division structure comprises baffle groups matched with the two air outlets, respectively, the two baffle groups are centrally symmetrically distributed around the center line of the gas inlet pipe, and the baffle groups are attached to the inner wall of the air outlet pipe.

[0007] Preferably, the baffle groups are arranged in an arc structure formed by a plurality of flat plates connected end to end, the flat plates close to the gas inlet pipe are perpendicular to the plane where the air inlet is located, the flat plates of the two baffle groups close to the gas inlet pipe are attached to each other to form a tangent plane, and the flat plates of the two baffle groups are symmetrically distributed on the two sides of the tangent plane.

[0008] Preferably, the length of the flat plates gradually decreases from the gas inlet pipe to the air outlet pipe, and the included angle between the flat plates at the corresponding positions of the two baffle groups gradually increases from the gas inlet pipe to the air outlet pipe.

[0009] Preferably, the first air diffusing structure comprises a circular flat plate arranged concentrically with the air outlet pipe, the circular flat plate is located on the side of the first air outlet away from the second air outlet, a first supporting assembly is arranged between the circular flat plate and the air outlet pipe, and the outer diameter of the circular flat plate is the same as the outer diameter of the first air outlet.

[0010] Preferably, the second air diffusing structure comprises a conical cylinder arranged concentrically with the air outlet pipe, the second air outlet is matched with the inner conical surface of the conical cylinder, a second supporting assembly is arranged between the conical cylinder and the air outlet pipe, and the maximum outer diameter of the conical cylinder is greater than the outer diameter of the air outlet pipe.

[0011] Preferably, the height of the first supporting assembly is less than the height of the second supporting assembly, and the distance from the circular flat plate to the first air outlet is less than the minimum distance from the conical cylinder to the second air outlet.

[0012] Preferably, a through hole is arranged at the center of the conical cylinder, a plurality of through holes are arranged on the outer side of the conical cylinder in a circumferential array, and the distance between the through holes and the center line of the air outlet pipe is not greater than the inner diameter of the air outlet pipe.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. In the utility model, a tee structure is added at the end of the hot air pipe, the air inlet pipe and the air outlet pipe are vertically connected, the air is blown to both sides, the number of air outlets is increased, the air outlet direction is changed, and the distribution of hot air in the drying equipment is more uniform.

[0015] 2. In the utility model, the hot air is evenly distributed when entering the air outlet pipe through the segmentation structure, the air outlet quantity of the first air outlet and the second air outlet is ensured, and the influence of the first air diffusing structure and the second air diffusing structure on the air outlet quantity of both sides of the air outlet pipe is avoided.

[0016] 3. In the utility model, the baffle group adopts the design of flat plates with different inclination angles, the inclination angle of the flat plate in contact with the hot air gradually increases with the movement of the hot air, the movement direction of the hot air is gradually changed, the stable output of the hot air in the first air outlet and the second air outlet is ensured, the impact of the movement of the hot air on the tee is reduced, and the stability of the tee installation is improved.

[0017] 4. In the utility model, the circular flat plate and the conical cylinder are arranged correspondingly to block the outward discharge of hot air, the circular flat plate promotes the horizontal diffusion of the hot air discharged outward from the first air outlet, the hot air discharged outward from the second air outlet is diffused along the conical surface of the conical cylinder, the diffusion effect of the hot air in the drying equipment is improved, and the temperature in the drying equipment is more uniform.

[0018] 5. In this utility model, the conical cylinder is connected by a through hole and several evenly distributed through holes, which facilitates the passage of hot air discharged from the second outlet. This can effectively reduce the impact force of the hot air discharged from the second outlet on the conical cylinder, and also allow the hot air to reach the outer side of the cylinder, thereby further improving the uniformity of the hot air distribution.

[0019] 6. The design of the circular flat plate to the first air outlet in this utility model is less than the minimum distance from the cone to the second air outlet. This design ensures that the hot air changing direction on the cone surface is discharged normally, and avoids the hot air changing direction from rushing back to the second air outlet and affecting the discharge of hot air in the air outlet pipe. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a hot air dispersion tee for a grain drying equipment according to this utility model.

[0021] In the diagram: 1-Inlet pipe, 2-Outlet pipe, 3-Segmented structure, 4-Circular flat plate, 5-Conical cylinder. Detailed Implementation

[0022] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0023] like Figure 1 The diagram shows a hot air dispersion tee for a grain drying device, installed at the end of a hot air duct in the drying device. It includes an outlet pipe 2, with an inlet pipe 1 vertically connected to the middle of the outlet pipe 2, which is connected to the hot air duct. The inlet pipe 1 has an air inlet. The outlet pipe 2 has a first outlet and a second outlet at each end. The outlet pipe 2 has a dividing structure 3 that cooperates with the inlet pipe 1. A first air dispersion structure and a second air dispersion structure, corresponding to the first and second outlets, are installed at each end of the outlet pipe 2. The structure incorporates a three-way connection at the end of the hot air duct, allowing the air inlet pipe 1 and outlet pipe 2 to be vertically connected. This design disperses the airflow from the original direct blowing to both sides, increasing the number of outlets and changing the airflow direction. This results in a more uniform distribution of hot air in the drying equipment. Simultaneously, the segmentation structure 3 ensures that the hot air is evenly distributed when it enters the outlet pipe 2 from the inlet pipe 1, guaranteeing the airflow volume of the first and second outlets and preventing the difference between the first and second air dispersion structures from affecting the airflow volume on both sides of the outlet pipe 2.

[0024] The dividing structure 3 includes a baffle group matched with two gas outlets respectively, the two baffle groups are centrally symmetrically distributed around the center line of the air inlet pipe 1, the baffle group is attached to the inner wall of the air outlet pipe 2, the baffle group is designed as an arc structure formed by a plurality of flat plates connected end to end, the flat plate close to the air inlet pipe 1 is perpendicular to the plane where the air inlet is located, the flat plates of the two baffle groups close to the air inlet pipe 1 are attached to each other to form a tangent plane, the flat plates of the two baffle groups are symmetrically distributed on both sides of the tangent plane, the baffle group adopts flat plates with different inclination angles, the inclination angle of the flat plate in contact with the hot gas gradually increases with the movement of the hot gas, which can gradually change the moving direction of the hot gas, which can not only ensure the smooth output of the hot gas in the first and second gas outlets, but also reduce the impact of the movement of the hot gas on the tee joint, which is beneficial to improve the stability of the tee joint installation.

[0025] The length of the flat plate gradually decreases from the air inlet pipe 1 to the air outlet pipe 2, the included angle between the corresponding positions of the two baffle groups gradually increases from the air inlet pipe 1 to the air outlet pipe 2, the baffle group adopts flat plates with different inclination angles, the inclination angle of the flat plate in contact with the hot gas gradually increases with the movement of the hot gas, which can gradually change the moving direction of the hot gas, which can not only ensure the smooth output of the hot gas in the first and second gas outlets, but also reduce the impact of the movement of the hot gas on the tee joint, which is beneficial to improve the stability of the tee joint installation.

[0026] The first air diffusing structure includes a circular flat plate 4 concentrically arranged with the air outlet pipe 2, the circular flat plate 4 is located on the side of the first air outlet away from the second air outlet, a first support assembly is arranged between the circular flat plate 4 and the air outlet pipe 2, the outer diameter of the circular flat plate 4 is the same as the outer diameter of the first air outlet, the second air diffusing structure includes a tapered cylinder 5 concentrically arranged with the air outlet pipe 2, the second air outlet is matched with the inner tapered surface of the tapered cylinder 5, a second support assembly is arranged between the tapered cylinder 5 and the air outlet pipe 2, the maximum outer diameter of the tapered cylinder 5 is greater than the outer diameter of the air outlet pipe 2, the first air outlet and the second air outlet are respectively matched with the circular flat plate 4 and the tapered cylinder 5 to block the outward discharge of hot gas, the circular flat plate 4 can promote the horizontal diffusion of the hot gas outward discharged from the first air outlet to the four sides of the circular flat plate 4, and the tapered surface of the tapered cylinder 5 can promote the inclined diffusion of the hot gas outward discharged from the second air outlet along the tapered surface, which can effectively improve the diffusion effect of the hot gas in the drying equipment and make the temperature in the drying equipment more uniform.

[0027] The height of the first supporting assembly is less than the height of the second supporting assembly, the distance from the circular flat plate 4 to the first air outlet is less than the minimum distance from the conical cylinder 5 to the second air outlet, and the design that the distance from the circular flat plate 4 to the first air outlet is less than the minimum distance from the conical cylinder 5 to the second air outlet can ensure that the hot air changing direction of the conical cylinder 5 is normally discharged, and the backflow of the hot air changing direction to the second air outlet can be avoided to affect the discharge of the hot air in the air outlet pipe 2.

[0028] The conical cylinder center position is provided with a through hole, the conical cylinder 5 outside the through hole is provided with a plurality of circumferentially distributed through holes, and the distance between the through holes and the center line of the air outlet pipe 2 is not greater than the inner diameter of the air outlet pipe 2; the conical cylinder 5 is matched with the plurality of uniformly distributed through holes through the through hole, so that the hot air discharged from the second air outlet can pass through conveniently, the impact force of the hot air discharged from the second air outlet on the conical cylinder 5 can be effectively reduced, the hot air can reach the outside direction of the cylinder, and the uniformity of the distribution of the hot air can be further improved.

[0029] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the modifications or supplements or replacements do not deviate from the structure of the utility model or exceed the range defined by the present application, and all of them shall belong to the protection range of the utility model.

Claims

1. A hot air dispersing tee joint for a grain drying apparatus, which is installed at the end of a hot air pipe in a drying apparatus, characterized in that, The air outlet pipe is vertically connected with the air inlet pipe in the middle, the air inlet pipe is provided with an air inlet, the air outlet pipe is provided with a first air outlet and a second air outlet at both ends, the air outlet pipe is provided with a partition structure matched with the air inlet pipe, and the air outlet pipe is provided with a first air diffusion structure and a second air diffusion structure matched with the first air outlet and the second air outlet at both ends; the partition structure comprises a baffle group matched with the two air outlets, the two baffle groups are centrally symmetrically distributed around the center line of the air inlet pipe, and the baffle group is attached to the inner wall of the air outlet pipe; the baffle group is provided as an arc-shaped structure formed by a plurality of flat plates connected end to end, the flat plate close to the air inlet pipe is perpendicular to the plane where the air inlet is located, the flat plates of the two baffle groups close to the air inlet pipe are attached to each other to form a tangent plane, and the flat plates of the two baffle groups are symmetrically distributed on both sides of the tangent plane; the length of the flat plate gradually decreases from the air inlet pipe to the air outlet pipe, and the included angle between the flat plates at the corresponding positions of the two baffle groups gradually increases from the air inlet pipe to the air outlet pipe.

2. The hot air dispersing tee joint for a grain drying apparatus according to claim 1, characterized by The first air diffusion structure comprises a circular flat plate concentrically arranged with the air outlet pipe, the circular flat plate is located on the side of the first air outlet away from the second air outlet, the circular flat plate is connected with the air outlet pipe through a first support assembly, and the outer diameter of the circular flat plate is the same as the outer diameter of the first air outlet.

3. The hot air dispersing tee joint for a grain drying apparatus according to claim 2, characterized by The second air diffusion structure comprises a tapered cylinder concentrically arranged with the air outlet pipe, the second air outlet is matched with the inner tapered surface of the tapered cylinder, and the tapered cylinder is connected with the air outlet pipe through a second support assembly.

4. The hot air dispersing tee joint for a grain drying apparatus according to claim 3, characterized by The height of the first support assembly is smaller than the height of the second support assembly, and the distance from the circular flat plate to the first air outlet is smaller than the minimum distance from the tapered cylinder to the second air outlet.

5. The hot air dispersing tee joint for a grain drying apparatus according to claim 4, characterized by The tapered cylinder is provided with a through hole at the center position, the tapered cylinder outside the through hole is provided with a plurality of through holes arranged in a circular array, and the distance between the through holes and the center line of the air outlet pipe is not greater than the inner diameter of the air outlet pipe.

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