Air powder pipeline flow balancing regulating device

Abstract

The present invention discloses an air-powder duct flow balancing and regulating device, comprising a duct body, a first connecting flange being installed at the top of the duct body, a protective shell being installed at the outer surface of the duct body, a control panel being installed at the surface of the protective shell, a group of fixing rods being connected to the inner side wall of the protective shell, a motor being connected at the bottom end of the fixing rods, a first gear being installed at the output end of the motor, a conveyor belt being installed at one side of the first gear, the first gear being meshed with the conveyor belt, and the conveyor belt running through the interior of the duct body. The present invention makes the distribution of air and powder in the air-powder duct more uniform through the combination of the motor, the conveyor belt, the fixing rod, the first gear, the second gear, the rotating rod, and the baffle, and can also arbitrarily adjust the flow rate and flow in the air-powder duct, thereby improving the safety factor and utilization efficiency of the air-powder duct to a certain extent.

Description

Technical Field

[0001] The present invention relates to the technical field of air-powder pipeline transportation, in particular to an air-powder pipeline flow balancing and regulating device. Background Art

[0002] The air-powder duct is a pipeline system used for air transportation and distribution. The pulverizing system is responsible for grinding the raw coal into coal powder of qualified fineness, and the air-powder duct is responsible for transporting it to the boiler for combustion. Some existing air-powder ducts often have certain deficiencies when in use and need to be improved.

[0003] The defects of the conventional air powder pipeline flow balancing and regulating device are:

[0004] The pulverized coal distribution in each conveying pipeline of the pulverizing system is unbalanced, the pulverized coal amount in each branch pipe has large deviations, and the air-coal ratio has large deviations, resulting in insufficient mixing of air and pulverized coal in the later stage, unsatisfactory combustion conditions, slow load response, high combustible materials in the furnace, and uneven air and pulverized coal in each branch pipe. Summary of the Invention

[0005] The object of the present invention is to provide an air-powder duct flow balancing and regulating device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solution: an air-powder duct flow balancing and regulating device, comprising a duct body, a first connecting flange being installed at the top of the duct body, and a protective shell being installed on the outer surface of the duct body; a control panel being installed on the surface of the protective shell, a group of fixing rods being connected to the inner side wall of the protective shell, a motor being connected to the bottom end of the fixing rods, a first gear being installed at the output end of the motor, a conveyor belt being installed on one side of the first gear, the first gear being meshed with the conveyor belt, and the conveyor belt running through the interior of the duct body.

[0007] Preferably, the inner side wall of the conveyor belt is meshed with a second gear, and a rotating rod passes through the interior of the second gear.

[0008] Preferably, a connecting sleeve is sleeved on the surface of the rotating rod, and a baffle is installed on the surface of the connecting sleeve.

[0009] Preferably, the outer surface of the pipe body is provided with a heat-insulating layer, and the outer surface of the heat-insulating layer is provided with three buffer springs.

[0010] Preferably, the bottom end of the buffer spring is connected to a buffer plate, and the surface of the buffer plate has a buffer sponge layer.

[0011] Preferably, a second connecting flange is installed at the bottom end of the pipe body, and a group of mounting holes are opened on the surface of the second connecting flange.

[0012] Preferably, a sliding groove is provided on the surface of the control panel, and a control button is provided inside the sliding groove.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The present invention uses a motor, a conveyor belt, a fixed rod, a first gear, a second gear, a rotating rod, and a baffle to make the distribution of air and powder in the air and powder duct more uniform, and can also arbitrarily adjust the flow rate and flow in the air and powder duct, thereby improving the safety factor and utilization efficiency of the air and powder duct to a certain extent.

[0015] 2. The present invention uses the first connecting flange and the second connecting flange in combination, so that the installation and disassembly of the air-powder duct can be faster and more convenient. The combination of the insulation layer, the buffer spring, the buffer plate, and the buffer sponge layer reduces the heat dissipation during use, makes the temperature in the pipe consistent to a certain extent, improves the safety factor of the air-powder duct, and also enhances the pipeline's ability to resist earthquakes and falls. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 Schematic diagram of the thermal insulation layer structure of the present invention;

[0018] Figure 3 It is a schematic diagram of the conveyor belt structure of the present invention;

[0019] Figure 4 Schematic diagram of the motor structure of the present invention.

[0020] In the figure: 1. Pipe body; 2. First connecting flange; 3. Protective shell; 4. Control panel; 5. Fixed rod; 6. Conveyor belt; 7. Second gear; 8. Rotating rod; 9. Baffle; 10. Motor; 11. First gear; 12. Buffer spring; 13. Buffer plate; 14. Insulation layer; 15. Second connecting flange; 16. Mounting hole; 17. Control button; 18. Sliding groove; 19. Buffer sponge layer. DETAILED DESCRIPTION

[0021] See also Figure 1 、 Figure 3 and Figure 4 , air-powder pipeline flow balancing regulating device:

[0022] It includes a pipe body 1, a first connecting flange 2 is installed on the top of the pipe body 1, a protective shell 3 is installed on the outer surface of the pipe body 1, a control panel 4 is installed on the surface of the protective shell 3, a group of fixing rods 5 are connected to the inner wall of the protective shell 3, the bottom end of the fixing rod 5 is connected to the motor 10, and a first gear 11 is installed on the output end of the motor 10, a conveyor belt 6 is installed on one side of the first gear 11, the first gear 11 is engaged with the conveyor belt 6, and the conveyor belt 6 runs through the interior of the pipe body 1, the inner side wall of the conveyor belt 6 is engaged with the second gear 7, the interior of the second gear 7 runs through the rotating rod 8, the surface of the rotating rod 8 is sleeved with a connecting sleeve, the surface of the connecting sleeve is installed with a baffle 9, a sliding groove 18 is provided on the surface of the control panel 4, and a control button 17 is provided inside the sliding groove 18.

[0023] Slide the control button 17 on the surface of the control panel 4 to the right through the internal sliding groove 18. The control panel 4 is connected to the two sets of motors 10 through wires, and the two sets of motors 10 run in opposite directions. When the control button 17 is in the first position in the sliding groove 18, the baffle 9 is parallel to the pipe body 1, the resistance in the pipe is minimum, and the flow rate and flow are maximum. When the control button 17 is in the second position in the sliding groove 18, the motor 10 drives the rotating rod 8 to tilt the baffle 9 downward by 30°, increasing the resistance in the pipe, and reducing the flow rate and flow. When the control button 17 is in the third position in the sliding groove 18, the angle of the baffle 9 is tilted to 60°, the resistance in the pipe is increased, and the flow rate and flow are reduced. When the control button 17 is in the fourth position in the sliding groove 18, the angle of the baffle 9 is tilted downward to 90°. At this time, the baffle 9 is in a closed state and is parallel to the baffle 9 below.

[0024] See also Figure 1 and Figure 2 , air-powder pipeline flow balancing regulating device:

[0025] The outer surface of the pipe body 1 is provided with an insulation layer 14, and the outer surface of the insulation layer 14 is provided with three buffer springs 12. The bottom end of the buffer spring 12 is connected to a buffer plate 13, and the surface of the buffer plate 13 is provided with a buffer sponge layer 19. The bottom end of the pipe body 1 is installed with a second connecting flange 15, and the surface of the second connecting flange 15 is provided with a group of mounting holes 16.

[0026] The staff installs and fixes the air powder duct through the mounting holes 16 on the surfaces of the first connecting flange 2 and the second connecting flange 15. If it accidentally falls during construction, the buffer spring 12 arranged inside the buffer plate 13 will be compressed inward by the external force and return to its original state after the external force is removed.

[0027] Working principle: slide the control button 17 on the surface of the control panel 4 to the right through the internal sliding groove 18. The control panel 4 is connected to the two sets of motors 10 through wires, and the two sets of motors 10 run in opposite directions. When the control button 17 is in the first position in the sliding groove 18, the baffle 9 is parallel to the pipe body 1, the resistance in the pipe is minimum, and the flow rate and flow are maximum. When the control button 17 is in the second position in the sliding groove 18, the motor 10 drives the rotating rod 8 to tilt the baffle 9 downward by 30 degrees, increasing the resistance in the pipe, and reducing the flow rate and flow. When the control button 17 is in the When the sliding groove 18 is in the third position, the angle of the baffle 9 is tilted to 60°, the resistance in the pipeline increases, and the flow rate and flow rate decrease. When the control button 17 is in the fourth position in the sliding groove 18, the angle of the baffle 9 is tilted downward to 90°. At this time, the baffle 9 is in a closed state and is parallel to the baffle 9 below. The staff installs and fixes the air powder pipeline through the mounting holes 16 on the surface of the first connecting flange 2 and the second connecting flange 15. When it accidentally falls during construction, the buffer spring 12 arranged inside the buffer plate 13 is compressed inward by external force, and returns to its original state after the external force is removed.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An air-powder pipeline flow balancing and regulating device, comprising a pipeline body (1), characterized in that: A first connecting flange (2) is installed on the top end of the pipe body (1), and a protective shell (3) is installed on the outer surface of the pipe body (1); A control panel (4) is installed on the surface of the protective shell (3); a set of fixing rods (5) are connected to the inner side wall of the protective shell (3); the bottom end of the fixing rod (5) is connected to a motor (10); a first gear (11) is installed at the output end of the motor (10); a conveyor belt (6) is installed on one side of the first gear (11); the first gear (11) is meshed with the conveyor belt (6), and the conveyor belt (6) runs through the interior of the pipeline body (1); The inner side wall of the conveyor belt (6) is meshed with a second gear (7), and a rotating rod (8) passes through the interior of the second gear (7); A connecting sleeve is sleeved on the surface of the rotating rod (8), and a baffle (9) is installed on the surface of the connecting sleeve; The outer surface of the pipe body (1) is provided with a heat-insulating layer (14), and the outer surface of the heat-insulating layer (14) is provided with three buffer springs (12); The bottom end of the buffer spring (12) is connected to a buffer plate (13), and the surface of the buffer plate (13) is provided with a buffer sponge layer (19); The control button (17) on the surface of the control panel (4) is slid to the right through the internal sliding groove (18). The control panel (4) is connected to the two sets of motors (10) through wires, and the two sets of motors (10) run in opposite directions. When the control button (17) is in the first position in the sliding groove (18), the baffle (9) is parallel to the pipeline body (1), the resistance in the pipeline is the smallest, and the flow rate and flow are the largest. When the control button (17) is in the second position in the sliding groove (18), the motor (10) drives the rotating rod (8) to tilt the baffle (9) downward by 30 degrees, increasing the resistance in the pipeline and reducing the flow rate and flow. When the control button (17) is in the third position in the sliding groove (18), the angle of the baffle (9) is tilted to 60 degrees, the resistance in the pipeline is increased, and the flow rate and flow are reduced. When the control button (17) is in the fourth position in the sliding groove (18), the angle of the baffle (9) is tilted downward to 90 degrees. At this time, the baffle (9) is in a closed state and is parallel to the lower baffle (9).

2. The air-powder duct flow balancing and regulating device according to claim 1, characterized in that: A second connecting flange (15) is installed at the bottom end of the pipe body (1), and a group of mounting holes (16) are opened on the surface of the second connecting flange (15).

3. The air-powder duct flow balancing and regulating device according to claim 1, characterized in that: A sliding groove (18) is provided on the surface of the control panel (4), and a control button (17) is provided inside the sliding groove (18).

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