Air inlet volute with air content distribution structure suitable for european pendulum mill

Abstract

The application belongs to the technical field of processing equipment of suspension roller pendulum type flour mill, and particularly relates to an air inlet volute with air content distribution structure suitable for a European pendulum type flour mill, which comprises a volute shell, a plurality of air deflectors and a plurality of ventilation channels are arranged in the shell, the plurality of air deflectors are arranged in a uniform equidistant manner along a clockwise circular axial surface, the included angle between the planes of the surfaces of two adjacent air deflectors is an acute angle, the plurality of ventilation channels are arranged in a counterclockwise ring around the circular axial surface of the plurality of air deflectors, the ventilation channel comprises a plurality of arc-shaped air baffles, the plurality of arc-shaped air baffles are arranged in a sequence from inside to outside along the circular axial surface of the volute shell and arranged in a sequence from short to long in length, and the ventilation channel comprises an air inlet section which is connected with an air inlet. The application has uniform air outlet direction and high flow rate.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of suspension roller pendulum type flour mill processing equipment, and particularly relates to an air inlet volute with air volume distribution structure suitable for a European pendulum type flour mill. BACKGROUND

[0002] In the use process of the suspension roller pendulum type flour mill, a blower is used to blow away the ground powder particles in the flour mill into the next process. However, the air direction of the existing blower is fixed, the air outlet speed is uneven, the air direction is fixed after the air enters the flour mill, some dead angle positions cannot be blown by the air, and long time is not conducive to the use of the flour mill, which affects the working efficiency. Therefore, the prior art needs to be further improved. SUMMARY

[0003] The purpose of the application is to provide an air outlet air direction uniform, high flow rate air inlet volute with air volume distribution structure suitable for a European pendulum type flour mill.

[0004] An air inlet volute with air volume distribution structure suitable for a European pendulum type flour mill, comprising a volute shell, a plurality of air deflectors and a plurality of ventilation channels are arranged in the shell, the plurality of air deflectors are arranged in a clockwise direction on the circular axis surface at equal intervals, the included angle between the planes of the board surfaces of two adjacent air deflectors is an acute angle, and the plurality of ventilation channels are arranged counterclockwise around the circular axis surface of the plurality of air deflectors. The ventilation channel comprises a plurality of arc-shaped air baffles, the plurality of arc-shaped air baffles are arranged in the circular axis surface of the volute shell from inside to outside in sequence and the lengths are arranged in sequence from short to long, and the ventilation channel comprises an air inlet section, and the air inlet section is connected with an air inlet.

[0005] Further, the plurality of air deflectors form a circular axis surface, the center of the circular axis surface is taken as the center, a horizontal line transverse to the circular axis surface is taken as the X-axis, and a vertical line perpendicular to the circular axis surface is taken as the Y-axis, a number axis is arranged, the plurality of arc-shaped air baffles are sequentially arranged from inside to outside in the circular axis surface as a first air baffle, a second air baffle and a third air baffle, one end of the first air baffle is located in the third quadrant, the included angle between the X-axis of the first quadrant and the end of the first air baffle is A, the angle of A is 150-170°, the second air baffle is located in the second quadrant, the included angle between the X-axis of the first quadrant and the end of the second air baffle is B, the angle of B is 230-250°, and the third air baffle is located in the first quadrant, the included angle between the X-axis of the first quadrant and the end of the third air baffle is C, and the angle of C is 290-310°.

[0006] Further, the other end of the first air baffle, the other end of the second air baffle and the other end of the third air baffle are located at the air inlet, the portions of the first air baffle, the second air baffle and the third air baffle in the air inlet section are straight lines, and the length direction is the same as the length direction of the air channel.

[0007] Further, the air inlet of the air inlet section of the spiral case is an air inlet, one side of the circular axial surface of the spiral case is provided with an air outlet, and a plurality of air deflectors are arranged around the air outlet.

[0008] When the present application is used, the fan blows air into the air inlet, the air enters the air inlet, is then divided into streams through the ventilation channel, and then flows out from different positions into the adjacent air deflectors between different positions to enter the pendulum roller mill, so that the air can enter the pendulum roller mill between two adjacent air deflectors from different positions, different all-around air inlet can be realized, the flow rate is relatively increased, and the air force is increased. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 Fig. 1 is a structural schematic diagram of the present application;

[0010] Figure 2 Fig. 4 is a position relationship diagram of the air deflector;

[0011] Figure 3 Fig. 5 is a position relationship diagram of the air deflector. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical scheme and advantages of the present application clearer and more understandable, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0013] Example 1:

[0014] As Figures 1-3The application discloses a kind of air intake volute of wind content distribution structure suitable for European version swing mill, including volute shell 1, shell 1 is equipped with several air baffle 2 and several ventilation passage 3, air baffle 2 is twelve clockwise inclination, twelve air baffle 2 is evenly spaced along the direction of circular axial plane clockwise, the included angle of the plane of the board surface of two adjacent air baffle 2 is acute, several ventilation passage 3 is set in the circular axial plane of several air baffle 2 outside in anticlockwise, this ventilation passage 3 includes several arc baffle 4, several arc baffle 4 is sequentially arranged from inside to outside along the circular axial plane of volute shell 1 and sequentially arranged from short to long in length, ventilation passage 3 includes air intake section 301, air intake section 301 is connected with air inlet 5.The several air baffle 2 form circular axial plane, with the center of the circular axial plane as center, transverse horizontal line is X axis, vertical vertical line is Y axis, set of axis, the several arc baffle 4 are sequentially first baffle 41, second baffle 42 and third baffle 43 from inside to outside along the circular axial plane, first baffle 41 one end is located in third quadrant, the included angle of X axis of first quadrant with the end of first baffle 41 is A, the angle of A is 150 °, second baffle 42 is located in second quadrant, the included angle of X axis of first quadrant with the end of second baffle 42 is B, the angle of B is 230 °, third baffle 43 is located in first quadrant, the included angle of X axis of first quadrant with the end of third baffle 43 is C, the angle of C is 290 °.The other end of first baffle 41, the other end of second baffle 42, the other end of third baffle 43 are located at air inlet 5, the part of first baffle 41, second baffle 42 and third baffle 43 in air intake section is straight line, and the length direction is same with the length direction of air passage.The air intake section of volute is air inlet 5, one side of the circular axial plane of volute is equipped with air outlet 6, several air baffle 2 are set around air outlet 6 position.

[0015] When using, open fan to air inlet 5, air enters from air inlet 5, then is shunted using ventilation passage 3, then flows out from different positions and then enters the adjacent air baffle 2 between different positions into suspension roller swing mill.

[0016] Example 2:

[0017] Different from example 1, the angle of A is 160 °, the angle of B is 240 °, the angle of C is 300 °.

[0018] Example 3:

[0019] Different from example 1, the angle of A is 170 °, the angle of B is 250 °, the angle of C is 310 °.

[0020] Test example 1:

[0021] The air flow rate between twelve adjacent guide vanes of the volute made in Example 1 was measured, and the air flow rate from clockwise 1, 2, 3, 4, 5... was obtained as shown in Table 1. The air flow rate between twelve adjacent guide vanes of the volute made without the ventilation passage was measured, and the air flow rate from clockwise 1, 2, 3, 4, 5... was obtained as shown in Table 2. The following values were obtained:

[0022] Table 1

[0023] Velocity (m / s) Static pressure (Pa) 1 9.7164 101358.1761 2 9.4039 101375.0171 3 9.3898 101376.0989 4 8.1005 101361.9739 5 8.5898 101354.0488 6 8.0977 101354.9987 7 8.6862 101343.4655 8 8.8252 101356.2986 9 8.9397 101353.4708 10 8.5673 101351.0332 11 8.5397 101359.2991 12 9.0950 101355.1998

[0024] Table 2

[0025] Velocity (m / s) Static pressure (Pa) 1 12.4682 101364.2218 2 7.9159 101378.7648 3 6.9572 101374.1543 4 3.1807 101360.7686 5 4.1123 101366.0888 6 5.1875 101362.8411 7 3.9380 101342.7873 8 6.0598 101357.0089 9 7.5158 101352.9484 10 6.5100 101350.6294 11 6.8208 101359.3951 12 8.0533 101355.9287

[0026] As can be seen from the above Table 1 and Table 2, the flow rate between each adjacent guide vane of the volute made by the present application is relatively uniform, stable, and fast.

Claims

1. A wind inlet volute with a wind content distribution structure suitable for a European pendulum flour mill, characterized in that, The volute shell comprises a shell, a plurality of air deflectors and a plurality of ventilation channels, the plurality of air deflectors are arranged in a clockwise and uniform equidistant manner along a circular axial plane, the included angle between the planes of two adjacent air deflectors is an acute angle, the plurality of ventilation channels are arranged in a counterclockwise manner around the plurality of air deflectors, the ventilation channel comprises a plurality of arc-shaped wind baffles, the plurality of arc-shaped wind baffles are arranged in a circular axial plane of the volute shell from inside to outside in order and arranged in order from short to long in length, the ventilation channel comprises an air inlet section, and the air inlet section is connected to an air inlet, the plurality of air deflectors form a circular axial plane, the center of the circular axial plane is taken as the center, a horizontal line is taken as the X-axis, and a vertical line is taken as the Y-axis, a plurality of axes are arranged, the plurality of arc-shaped wind baffles are sequentially arranged from inside to outside in the circular axial plane as a first wind baffle, a second wind baffle and a third wind baffle, one end of the first wind baffle is located in the third quadrant, the included angle between the X-axis of the first quadrant and the end of the first wind baffle is A, the angle of A is 150-170°, the second wind baffle is located in the second quadrant, the included angle between the X-axis of the first quadrant and the end of the second wind baffle is B, the angle of B is 230-250°, the third wind baffle is located in the first quadrant, and the included angle between the X-axis of the first quadrant and the end of the third wind baffle is C, the angle of C is 290-310°.

2. The inlet air spiral according to claim 1, characterized in that The other end of the first wind baffle, the other end of the second wind baffle and the other end of the third wind baffle are located at the air inlet, the first wind baffle, the second wind baffle and the third wind baffle in the air inlet section are in a straight line shape, and the length direction is the same as the length direction of the air channel.

3. The inlet air spiral according to claim 1, characterized in that The air inlet section of the volute shell is an air inlet, one side of the circular axial plane of the volute shell is provided with an air outlet, and the plurality of air deflectors are arranged around the air outlet.

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