Multi-blade fan-shaped turbojet type circulating air device

Abstract

The utility model relates to the technical field of annealing furnaces, and discloses a multi-blade fan-shaped turbojet type circulating air device which comprises a volute, and a fan is mounted on the volute; a left air cavity is fixedly connected to the left side of the volute, a right air cavity is fixedly connected to the right side of the volute, a plurality of left air nozzles are arranged on the right side of the left air cavity in an inclined mode, and a plurality of right air nozzles are arranged on the left side of the right air cavity in an inclined mode. An air guide plate is fixedly connected to the interior of the volute, an air suction flow guide cover communicated with the volute is fixedly connected to the bottom of the volute, and a flow guide disc is fixedly connected to the interior of the air suction flow guide cover. According to the multi-blade fan-shaped turbojet type circulating air device, the left tuyeres and the right tuyeres are arranged in the annular array respectively and form certain included angles with the left air cavity and the right air cavity, so that sprayed air flow is in a large-rotation vortex, and a material coil can be heated by hot air more uniformly.

Description

Technical Field

[0001] The utility model relates to the technical field of annealing furnaces, in particular to a multi-page fan-shaped vortex jet type circulating air device. Background Technique

[0002] Annealing is a heat treatment process, which is mainly used to improve the mechanical properties of metal materials, improve their plasticity and toughness, eliminate internal stress, and achieve the homogenization of composition and structure.

[0003] At present, the aluminum annealing furnaces produced and used in China basically adopt the form of air intake from the top of the furnace body and air inlet from the bottom, and the coil (such as aluminum coil) is horizontally placed on the rack. This leads to the flow direction of the hot air flow in the furnace chamber being the diameter direction of the coil, forming a radial convective heat transfer between the coil and the hot air flow. In this way, the air flow blows directly towards the coil, which will cause uneven heating of the coil, resulting in too high temperature on the convective surface between the coil and the air flow, and the situation of melting, seriously affecting the annealing efficiency and quality of the coil. Therefore, a multi-page fan-shaped vortex jet type circulating air device is urgently needed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a multi-page fan-shaped vortex jet type circulating air device to solve the problems put forward in the above background technique.

[0005] To solve the above technical problems, the utility model provides the following technical solution: A multi-page fan-shaped vortex jet type circulating air device, including a volute, and a fan is installed on the volute;

[0006] A left air chamber is fixedly connected to the left side of the volute, a right air chamber is fixedly connected to the right side of the volute. A plurality of left air nozzles are arranged on the right side of the left air chamber, and the plurality of left air nozzles are respectively arranged obliquely. A plurality of right air nozzles are arranged on the left side of the right air chamber, and the plurality of right air nozzles are respectively arranged obliquely. A wind guide plate is fixedly connected inside the volute, and a suction air guide cover communicated with the volute is fixedly connected to the bottom of the volute. A guide disk is fixedly connected inside the suction air guide cover.

[0007] Preferably, a left chamfer edge is provided at the inner bottom of the left air chamber, and the left air chamber is communicated with the volute.

[0008] The installation groove opened at the top of the volute is used to install the fan, and the wind guide plate installed inside the volute is used to guide the direction of the air flow, and is distributed in an annular array to achieve the effect of uniformly dispersing the air flow.

[0009] Preferably, a right chamfer edge is provided at the inner bottom of the right air chamber, and the right air chamber is communicated with the volute.

[0010] Preferably, the left air nozzles are communicated with the left air chamber, and the right air nozzles are communicated with the right air chamber.

[0011] The left air cavity and the right air cavity are respectively fixed on the left and right sides of the volute, and are used to guide the flow direction of the air flow.

[0012] Preferably, a plurality of the air guide plates are provided, and the plurality of air guide plates are arranged in an annular array.

[0013] Preferably, the plurality of left air nozzles are arranged in an annular array.

[0014] The left air nozzle and the right air nozzle are respectively fixed on the left air cavity and the right air cavity, and are used to blow out the air flow, and both are arranged in an annular array to ensure uniform dispersion of the air flow.

[0015] Preferably, the plurality of right air nozzles are arranged in an annular array.

[0016] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows:

[0017] In the present utility model, the air guide plates installed in the volute are used to guide the direction of the air flow, and are distributed in an annular array, so that the air blown out by the fan flows out from both sides, greatly improving the efficiency of the fan. The bottoms of the left air cavity and the right air cavity 4 are designed with a left chamfer and a right chamfer, so that the air cavities at the bottom become smaller, and the air flow in the left air cavity and the right air cavity is more evenly ejected from the left air nozzle and the right air nozzle. The left air nozzle and the right air nozzle are respectively arranged in an annular array and form a certain angle with the left air cavity and the right air cavity, so that the ejected air flow presents a large rotating eddy current, which can more evenly heat the material coil. The circulation of the air flow is realized through the setting of the air suction and diversion cover, and the volute is transitioned with the left air cavity and the right air cavity by an inclined angle, so that the air inlet is smoother and the air resistance is smaller, thereby improving the annealing efficiency and quality of the material coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic three-dimensional structure diagram of the present utility model;

[0019] Figure 2 is a schematic top view structure diagram of the interior of the volute of the present utility model;

[0020] Figure 3 is an exploded structure diagram of the present utility model;

[0021] Figure 4 is a schematic front sectional structure diagram of the present utility model.

[0022] Among them: 1, volute; 2, fan; 3, left air cavity; 4, right air cavity; 5, left air nozzle; 6, right air nozzle; 7, flow guiding disc; 8, air guide plate; 9, air suction and diversion cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] The present utility model provides the following technical solutions:

[0025] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , a multi-page fan-shaped turbojet circulating air device, including a volute 1, and a fan 2 is installed on the volute 1;

[0026] A left air chamber 3 is fixedly connected to the left side of the volute 1, a right air chamber 4 is fixedly connected to the right side of the volute 1, multiple left air nozzles 5 are arranged on the right side of the left air chamber 3, and the multiple left air nozzles 5 are respectively arranged obliquely. Multiple right air nozzles 6 are arranged on the left side of the right air chamber 4, and the multiple right air nozzles 6 are respectively arranged obliquely. A wind guide plate 8 is fixedly connected to the inside of the volute 1, and an air suction and diversion cover 9 communicated with the volute 1 is fixedly connected to the bottom of the volute 1. A diversion disk 7 is fixedly connected to the inside of the air suction and diversion cover 9.

[0027] A left chamfer edge is formed at the inner bottom of the left air chamber 3, and the left air chamber 3 is communicated with the volute 1.

[0028] A right chamfer edge is formed at the inner bottom of the right air chamber 4, and the right air chamber 4 is communicated with the volute 1.

[0029] The left air nozzles 5 are communicated with the left air chamber 3, and the right air nozzles 6 are communicated with the right air chamber 4.

[0030] There are multiple wind guide plates, and the multiple wind guide plates 8 are arranged in a circular array.

[0031] The multiple left air nozzles 5 are arranged in a circular array.

[0032] The multiple right air nozzles 6 are arranged in a circular array.

[0033] Through the above technical solution, the air guide plates 8 installed in the volute 1 are used to guide the direction of the air flow and are distributed in an annular array, allowing the air blown out by the fan 2 to flow out from both sides, greatly improving the efficiency of the fan 2. The left air chamber 3 and the right air chamber 4 are designed with left chamfers and right chamfers at the bottom, making the air chambers at the bottom smaller, so that the air flow in the left air chamber 3 and the right air chamber 4 is more evenly ejected from the left air nozzle 5 and the right air nozzle 6. The left air nozzle 5 and the right air nozzle 6 are respectively arranged in an annular array and form a certain angle with the left air chamber 3 and the right air chamber 4, making the ejected air flow present a large rotating eddy current, which can heat the material coil more evenly with hot air. The circulation of the air flow is realized through the setting of the air suction and diversion cover 9, and the volute 1 and the left air chamber 3 and the right air chamber 4 are transitioned with bevels, making the air intake smoother and the air resistance smaller, thereby improving the annealing efficiency and quality of the material coil.

[0034] During the actual operation process, when this device is in use, the material coil is horizontally placed through the unwinding rack, the fan 2 is started, and the generated air flow enters the left air chamber 3 and the right air chamber 4 respectively through the air guide plates 8, and then blows towards the product through the left air nozzle 5 and the right air nozzle 6. Subsequently, the air flow circulates into the volute 1 through the air suction and diversion cover 9, and then enters the left air chamber 3 and the right air chamber 4 respectively through the air guide plates 8 and is ejected from the left air nozzle 5 and the right air nozzle 6, thereby realizing the circulation and forming an irregular air flow, making the material coil heated evenly.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits, and the scope is defined by the appended claims and their equivalents.

Claims

1. A multi-leaf fan-shaped vortex jet type circulating air device, comprising a volute (1), characterized in that: A fan (2) is installed on the volute (1); The left side of the volute (1) is fixedly connected to a left air chamber (3), the right side of the volute (1) is fixedly connected to a right air chamber (4), a plurality of left air nozzles (5) are arranged on the right side of the left air chamber (3), and the plurality of left air nozzles (5) are arranged at an angle, a plurality of right air nozzles (6) are arranged on the left side of the right air chamber (4), and the plurality of right air nozzles (6) are arranged at an angle, an air guide plate (8) is fixedly connected inside the volute (1), a suction guide cover (9) connected to the volute (1) is fixedly connected to the bottom of the volute (1), and a guide plate (7) is fixedly connected inside the suction guide cover (9).

2. A multi-leaf fan-shaped turbojet circulating air device according to claim 1, characterized in that: The inner bottom of the left air chamber (3) is provided with a left chamfered edge, and the left air chamber (3) is in communication with the volute (1).

3. The multi-leaf fan-shaped turbojet circulating air device according to claim 1, characterized in that: The inner bottom of the right air chamber (4) is provided with a right chamfered edge, and the right air chamber (4) is connected to the volute (1).

4. The multi-leaf fan-shaped turbojet circulating air device according to claim 1, characterized in that: The left air nozzle (5) is connected to the left air cavity (3), and the right air nozzle (6) is connected to the right air cavity (4).

5. The multi-leaf fan-shaped turbojet circulating air device according to claim 1, characterized in that: A plurality of the air guide plates (8) are provided, and the plurality of the air guide plates (8) are arranged in a ring array.

6. The multi-leaf fan-shaped turbojet circulating air device according to claim 1, characterized in that: The plurality of left air nozzles (5) are arranged in a ring array.

7. The multi-leaf fan-shaped turbojet circulating air device according to claim 1, characterized in that: The plurality of right air nozzles (6) are arranged in a circular array.

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