Hot air flow control device

Abstract

The utility model discloses a hot air flow control device which comprises a support, a baffle is rotationally connected into the support, an arc edge plate is fixedly connected to the side surface of the baffle, an empty groove is formed in the baffle, a gate plate is rotationally connected into the empty groove, and a limiting ring is fixedly connected to the edge of the gate plate. Heating strips are fixedly connected to the interiors of the limiting rings; a spiral groove is formed in the inner side wall of the ventilation pipe, a supporting rod is fixedly connected to the inner side wall of the ventilation pipe, a fan motor is fixedly connected to the interior of the supporting rod, and a fan is fixedly connected to the output end of the fan motor. Through the components, the rotating motor in the baffle drives the flashboard to rotate in the empty groove, so that the size of the empty groove is changed, the air flow is accurately controlled, the airflow path can be changed by adjusting the angle of the baffle and the size of the empty groove, and the arc plate arranged on the surface of the baffle is matched, so that turbulent flow generated by contact of gas and the baffle is reduced, and energy loss is reduced; and the heat exchange and combustion efficiency is ensured.

Description

Technical Field

[0001] This utility model relates to the field of air flow control technology, and in particular to a hot air flow control device. Background Technology

[0002] Existing air flow control devices, in order to facilitate gas flow control, employ baffles with different gaps and push rods to control the baffles to block airflow, allowing air to flow only through the gaps and achieving different flow control levels. However, the contact between the airflow and the edge of the gaps easily generates turbulence, resulting in more energy loss and affecting combustion efficiency. For example, a gas flow control device disclosed in Chinese Patent Application No. CN202420616217.4 is equipped with gates with gaps of different sizes. The required gate is lowered by a flow regulating gate, allowing air to flow only through the gaps and achieving control of three gas flow levels. However, when the airflow comes into contact with the edge of the gate through the gaps, it easily generates turbulence, resulting in more energy loss and affecting heat exchange and combustion efficiency. Utility Model Content

[0003] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a hot air flow control device. A rotary motor is used to control the rotation of a baffle, so that the edge of the baffle is in contact with the inner wall of the ventilation duct to determine whether air flow is allowed. The rotary motor inside the baffle drives the gate to rotate inside the slot, thereby changing the size of the slot to precisely control the air flow. The airflow path can also be changed by adjusting the baffle angle and the size of the slot. In conjunction with the arc plate set on the surface of the baffle, the contact between the gas and the baffle is reduced to reduce turbulence, reduce energy loss, and ensure heat exchange and combustion efficiency.

[0004] This utility model also provides a hot air flow control device, comprising: a bracket, a baffle rotatably connected inside the bracket, an arc-shaped plate fixedly connected to the side surface of the baffle, a slot formed inside the baffle, a gate rotatably connected inside the slot, a limit ring fixedly connected to the edge of the gate, and a heating strip fixedly connected inside the limit ring; and a ventilation duct, a spiral groove formed on the inner wall of the ventilation duct, a support rod fixedly connected to the inner wall of the ventilation duct, a fan motor fixedly connected inside the support rod, and a fan fixedly connected to the output end of the fan motor. Through these components, a rotary motor controls the rotation of the baffle, causing the edge of the baffle to fit against the inner wall of the ventilation duct to determine whether airflow is allowed. The rotary motor inside the baffle drives the gate to rotate within the slot, thereby changing the size of the slot to precisely control the airflow. The airflow path can also be changed by adjusting the baffle angle and the size of the slot. Combined with the arc-shaped plate on the surface of the baffle, turbulence generated by gas contact with the baffle is reduced, energy loss is reduced, and heat exchange and combustion efficiency are ensured.

[0005] According to the multi-stage asphalt pavement in-situ thermal recycling equipment of this utility model, a rotary motor is fixedly connected inside the support frame, and the output end of the rotary motor is fixedly connected to the top of the baffle. These components facilitate the operator's control of the baffle rotation via the rotary motor.

[0006] According to the multi-stage asphalt pavement in-situ thermal recycling equipment of this utility model, the top of the baffle is rotatably connected to the inner wall of the ventilation pipe, and the side surface of the baffle is in contact with the inner wall of the ventilation pipe. These components enable the baffle to rotate normally inside the ventilation pipe.

[0007] According to the multi-stage asphalt pavement in-situ thermal recycling equipment of this utility model, the arc-edge plate has six sections located on both sides of the baffle, and the gate is located inside the limiting ring. These components enable the gate to rotate normally inside the baffle, reducing turbulence.

[0008] According to the multi-stage asphalt pavement in-situ thermal recycling equipment of this utility model, a rotating motor is fixedly connected inside the baffle, and the output end of the rotating motor is fixedly connected to the side surface of the gate. These components provide power for the gate to rotate within the slot.

[0009] According to the multi-stage asphalt pavement in-situ thermal recycling equipment of this utility model, there are two support rods located at both ends of the ventilation pipe, and the fan is located on the side of the support rods. These components control the airflow speed from both sides of the ventilation pipe.

[0010] According to the multi-stage asphalt pavement in-situ thermal recycling equipment of this utility model, a flow meter is fixedly connected inside the ventilation pipe, and a grid plate is fixedly connected to the end of the ventilation pipe. These components facilitate observation of the airflow inside the ventilation pipe and prevent debris from affecting combustion.

[0011] According to the present invention, a multi-stage asphalt pavement in-situ thermal recycling device has two grid plates located at both ends of the ventilation pipe to further prevent debris from entering the device. Beneficial effects

[0012] Compared with the prior art, this utility model uses a rotary motor to control the rotation of the baffle, so that the edge of the baffle is in contact with the inner wall of the ventilation duct to determine whether air flow is allowed. The rotary motor inside the baffle drives the gate to rotate inside the slot, thereby changing the size of the slot to precisely control the air flow. The airflow path can also be changed by adjusting the baffle angle and the size of the slot. In conjunction with the arc plate set on the surface of the baffle, the contact between the gas and the baffle is reduced to reduce turbulence, reduce energy loss, and ensure heat exchange and combustion efficiency. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0014] Figure 1 This is a schematic diagram of the overall structure of the hot air flow control device of this utility model;

[0015] Figure 2 This is a side cross-sectional view of the hot air flow control device of this utility model;

[0016] Figure 3 This is a front cross-sectional view of the hot air flow control device of this utility model;

[0017] Figure 4 This utility model relates to a hot air flow control device. Figure 2 Schematic diagram of the structure at point A in the middle;

[0018] Figure 5 This utility model relates to a hot air flow control device. Figure 3 Schematic diagram of the structure at point B.

[0019] Legend:

[0020] 1. Bracket; 2. Baffle; 3. Arc edge plate; 4. Groove; 5. Gate; 6. Limit ring; 7. Heating strip; 8. Ventilation pipe; 9. Spiral groove; 10. Support rod; 11. Fan motor; 12. Fan; 13. Rotary motor; 14. Rotating motor; 15. Flow meter; 16. Mesh plate. Detailed Implementation

[0021] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0022] Reference Figure 1-5The hot air flow control device of this utility model includes: a bracket 1, which provides support for the device; a rotary motor 13 is fixedly connected inside the bracket 1, which provides power for the rotation of a baffle 2; a baffle 2 is rotatably connected inside the bracket 1 to limit the air flow inside the ventilation duct 8; the output end of the rotary motor 13 is fixedly connected to the top of the baffle 2 to transmit power; the top of the baffle 2 is rotatably connected to the inner wall of the ventilation duct 8, so that the baffle 2 can rotate normally; the side surface of the baffle 2 is in contact with the inner wall of the ventilation duct 8 to reduce air leakage; and an arc-edge plate 3 is fixedly connected to the side surface of the baffle 2 to reduce turbulence generated by air flow. 3 has six valves located on both sides of baffle 2 to further reduce turbulence. The baffle 2 has a slot 4 inside to facilitate the rotation of gate 5. Gate 5 is rotatably connected inside slot 4 to control the size of slot 4. Rotary motor 14 is fixedly connected inside baffle 2 to provide power for the rotation of gate 5. The output end of rotary motor 14 is fixedly connected to the side surface of gate 5 to transmit power. Limiting ring 6 is fixedly connected to the edge of gate 5 to increase the rotation stability of gate 5. Gate 5 is located inside limiting ring 6 to restrict the movement of gate 5. Heating strip 7 is fixedly connected inside limiting ring 6 to facilitate heating of air and improve combustion efficiency.

[0023] Ventilation duct 8 restricts the airflow path. A flow meter 15 is fixedly connected inside the ventilation duct 8 for easy observation of airflow. A grid plate 16 is fixedly connected to the end of the ventilation duct 8 to block debris from entering the device. There are two grid plates 16 located at both ends of the ventilation duct 8 to prevent debris from affecting combustion. Spiral grooves 9 are opened on the inner wall of the ventilation duct 8 to change the airflow path and reduce the generation of turbulence and eddies. A support rod 10 is fixedly connected to the inner wall of the ventilation duct 8 to provide support for the fan motor 11. There are two support rods 10 located at both ends of the ventilation duct 8 to control the airflow speed from both sides of the device. The fan motor 11 is fixedly connected inside the support rod 10 to provide power for the rotation of the fan 12. The output end of the fan motor 11 is fixedly connected to the fan 12 to increase the airflow speed. The fan 12 is located to the side of the support rod 10.

[0024] Working principle: During the use of the device, the fan motor 11 is started to rotate the fan 12 to accelerate the air inside the ventilation pipe 8, so that the air flows. The mesh plates 16 at both ends of the ventilation pipe 8 prevent debris from entering the device and affecting combustion. By observing the air flow measured by the flow meter 15, when it is necessary to reduce the air flow, the rotary motor 13 is started to rotate the baffle 2 so that the baffle 2 blocks the air flow, so that the air can only flow from the slot 4. The side surface of the baffle 2 is provided with an arc edge plate 3, which, together with the spiral groove 9, reduces the turbulence and eddies generated by the air flow, reduces energy loss, and ensures heat exchange and combustion efficiency. The rotary motor 14 is started to rotate the gate 5 so that the gate 5 blocks the slot 4, changing the size of the slot 4 to control the air flow.

[0025] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A hot air flow control device, characterized in that, include: A bracket (1) is rotatably connected to a baffle (2) inside the bracket (1). An arc-shaped plate (3) is fixedly connected to the side surface of the baffle (2). A slot (4) is opened inside the baffle (2). A gate (5) is rotatably connected inside the slot (4). A limit ring (6) is fixedly connected to the edge of the gate (5). A heating strip (7) is fixedly connected inside the limit ring (6). Ventilation pipe (8), the inner wall of the ventilation pipe (8) is provided with a spiral groove (9), the inner wall of the ventilation pipe (8) is fixedly connected with a support rod (10), the support rod (10) is fixedly connected with a fan motor (11), and the output end of the fan motor (11) is fixedly connected with a fan (12).

2. The hot air flow control device according to claim 1, characterized in that, A rotary motor (13) is fixedly connected inside the bracket (1), and the output end of the rotary motor (13) is fixedly connected to the top of the baffle (2).

3. The hot air flow control device according to claim 1, characterized in that, The top of the baffle (2) is rotatably connected to the inner wall of the ventilation pipe (8), and the side surface of the baffle (2) is in contact with the inner wall of the ventilation pipe (8).

4. The hot air flow control device according to claim 1, characterized in that, The arc edge plate (3) has six of them and is located on both sides of the baffle (2), and the gate plate (5) is located inside the limiting ring (6).

5. The hot air flow control device according to claim 1, characterized in that, A rotating motor (14) is fixedly connected inside the baffle (2), and the output end of the rotating motor (14) is fixedly connected to the side surface of the gate (5).

6. The hot air flow control device according to claim 1, characterized in that, The support rod (10) has two parts and is located at both ends of the ventilation pipe (8), and the fan (12) is located on the side of the support rod (10).

7. The hot air flow control device according to claim 1, characterized in that, A flow meter (15) is fixedly connected inside the ventilation pipe (8), and a grid plate (16) is fixedly connected to the end of the ventilation pipe (8).

8. The hot air flow control device according to claim 7, characterized in that, The grid plate (16) has two and is located at both ends of the ventilation pipe (8).

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