Ash conveying pipeline blowing assisting device

Abstract

The utility model relates to a blowing assisting device for an ash conveying pipeline. The blowing assisting device effectively solves the problems that an existing blowing assisting device cannot adjust the blowing angle and the like. Comprising an auxiliary pipe arranged on one side of a pipe body, a rotatable rotating column is rotationally arranged on the lower surface of the auxiliary pipe, an unfolding piece is rotationally arranged on the surface of the rotating column, a control mechanism is arranged on the surface of the rotating column and comprises a control frame and a rack, the control frame is arranged on the surface of the rotating column in a sliding mode, and the rack is arranged on the control frame. The rack is integrally arranged at the bottom of the control frame, the surface of the rack is meshed with an unfolding piece, the rotating column designed in the scheme can rotate at the bottom of the auxiliary pipe, the unfolding piece can be unfolded through the push rod in the rotating process, and the air outlet effect of the unfolding piece is achieved; and when the unfolding pieces are not unfolded, air can be discharged from the middle of the rotating column, and when the unfolding pieces are unfolded, air is discharged along the unfolding pieces, so that the effect of discharging air at different positions is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ash conveying pipeline, specifically relates to ash conveying pipeline blow -off device. BACKGROUND

[0002] Coal-fired power generation is the main power generation form in our country, and its main principle is that coal is sent to the boiler, the chemical energy of coal is converted into heat energy in the boiler and is absorbed by water and steam, steam does work in the steam turbine and is converted into mechanical energy, the steam turbine drives the generator rotor to rotate and converts the mechanical energy into electric energy and sends to the user. In the coal-fired power generation technology, a large amount of dust is generated when the fuel burns, the existing technology can adopt pneumatic ash conveying, the dust smoke in the pipe body is circulated by gas, and the existing pipe blow-off device mostly adopts the mode that the outer pipe is introduced into the ash conveying pipeline to blow, the mode is concentrated in the middle part, and the blowing angle cannot be adjusted, so that the effect of multi-angle blowing is difficult to realize. CONTENT OF THE UTILITY MODEL

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides ash conveying pipeline blow-off device, the rotating column designed by the device can rotate at the bottom of the auxiliary pipe, and the expanding sheet can be expanded by the push rod in the rotating process, so that the effect of air outlet of the expanding sheet is realized.

[0004] Ash conveying pipeline blow-off device, including the pipe body, its characterized in that: the one side of pipe body is provided with auxiliary pipe, the lower surface of auxiliary pipe is rotatably provided with rotatable rotating column, the surface of rotating column is rotatably provided with expanding sheet, the surface of rotating column is provided with control mechanism, the control mechanism includes control frame and rack, the control frame is slidably arranged on the surface of rotating column, the rack is integrally arranged on the bottom of control frame, the surface of rack is engaged with expanding sheet, the side of expanding sheet is provided with exhaust passage, the upper surface of rotating column is provided with air inlet channel, the side of exhaust passage is connected with air inlet channel.

[0005] The above technical scheme has the beneficial effects that:

[0006] The rotating column designed in the scheme can rotate at the bottom of the auxiliary pipe, and the expanding sheet can be expanded by the push rod in the rotating process, so that the effect of air outlet of the expanding sheet is realized, air can be outlet from the middle part of the rotating column when the expanding sheet is not expanded, air can be outlet along the expanding sheet when the expanding sheet is expanded, the effect of air outlet at different positions is realized, and the position of the expanding sheet can be fixed for a long time when the expanding sheet is completely expanded, so that the expanding sheet continuously outlets air in one direction. DRAWING DESCRIPTION

[0007] Figure 1 It is the state schematic view of the utility model;

[0008] Figure 2 is a sectional view of the pipe body of the utility model;

[0009] Figure 3 is a local cutting schematic view of the auxiliary pipe of the utility model;

[0010] Figure 4 is a one-side cutting schematic view of the unfolding sheet of the utility model;

[0011] Figure 5 is a top schematic view of the rotating column of the utility model.

[0012] In the figure: 1, pipe body; 2, auxiliary pipe; 3, rotating column; 4, unfolding sheet; 5, control frame; 6, rack; 7, exhaust passage; 8, air inlet passage; 9, driving blade; 10, partition pipe; 11, block; 12, No. 1 spring; 13, push rod; 14, lapping frame; 15, corresponding block; 16, semicircular block; 17, air outlet hole; 18, anti-dropping groove; 19, fixed block; 20, No. 2 spring; 21, fixed groove. DETAILED DESCRIPTION

[0013] The foregoing and other technical contents, features and effects of the utility model are described in the following with reference to the accompanying drawings. Figures 1 to 5 The embodiments are described in detail.

[0014] The embodiment provides a conveying ash pipeline blowing assisting device, as shown in the accompanying drawings, the description accompanying drawings Figures 1-5 is a perspective view of the pipe body 1, the description accompanying drawings Figure 1 is a sectional view of the pipe body 1, it can be seen that the auxiliary pipe 2 of the scheme extends to the inside of the pipe body 1 and injects gas into the pipe body 1, which facilitates the conveying ash inside the pipe body 1, the conveying ash direction of the scheme is from top to bottom, the description accompanying drawings Figure 2 The auxiliary pipe 2 is cut along the middle part and displayed, and since the auxiliary pipe 2 is relatively long, only a local display is adopted, which facilitates the observation of the main structure of the scheme, the description accompanying drawings Figure 3 The left side of the unfolding sheet 4 is cut with the rotation center of the unfolding sheet 4 as the intersection line, which facilitates the observation of the structure of the unfolding sheet 4, the description accompanying drawings Figure 4 Figure 5 ​The top of the rotating column 3 is shown, the auxiliary pipe 2 of the present scheme is communicated with the air supply device (the air supply device can be an air compressor in the prior art) to blow air inside the auxiliary pipe 2, and the rotating column 3 is sealingly arranged at the bottom of the auxiliary pipe 2 (a sealing pad can be arranged between them to ensure that it is sealingly rotated, and since rotation is required between the two, a bearing needs to be arranged to reduce the friction caused by rotation), the rotating column 3 has a circular hollow structure above, and the partition pipe 10 just blocks this circular mechanism, so that the gas injected into the rotating column 3 can only enter the lower part of the rotating column 3 through the array of driving leaves 9. Because the present scheme is provided with a plurality of groups of driving leaves 9, the rotating column 3 is rotated under the driving of strong airflow (the size of the driving leaf 9 is determined according to the actual situation, and also determined according to the impact force of the gas injected into the auxiliary pipe 2. The driving leaf 9 can be understood as a fan blade in the prior art), in the drawings of the present scheme, it is assumed that the exhaust passage 7 has not been opened at this time, because it is blocked by the semicircular block 16 at this time, as shown in the description Figure 4 The entering end of the exhaust passage 7 is just correspondingly provided with the corresponding block 15 at this time, the two blocks block each other at this time, the gas cannot be fed to the unfolded sheet 4, and at this time the air outlet hole 17 is opened, the air outlet hole 17 is provided above the block 11, and the block 11 is slidingly arranged below the control frame 5. The purpose of arranging the first spring 12 is to make the block 11 block the air outlet hole 17 at the first time when the control frame 5 moves downward, so that the gas cannot be discharged from the air outlet hole 17, and the rotation of the unfolded sheet 4 will indirectly open the entrance to the exhaust passage 7. At this time, the exhaust conversion is realized, and the rotation of the rotating column 3 can realize the effect that the blowing angle can be switched. The unfolding of the unfolded sheet 4 is controlled by the top control frame 5, the bottom of the control frame 5 is integrally provided with a rack 6, and the rack 6 is just lapped on one side of the unfolded sheet 4. Therefore, the control frame 5 can drive the unfolded sheet 4 to rotate by moving downward, and the control frame 5 is controlled by the push rod 13 (the push rod 13 is an electric push rod 13 in the prior art). The side of the push rod 13 is provided with a lap joint frame 14, the surface of the lap joint frame 14 is rotatably provided with the control frame 5, so that even if the rotating column 3 rotates, the lap joint frame 14 can control the unfolded sheet 4 at the bottom to unfold (the unfolded sheet 4 and the rotating column 3 are also sealingly rotated), and the present scheme also has the effect of positioning the unfolded sheet 4, as shown in the description Figure 3As shown, the push rod 13 continuously extends to make one side of the fixed block 19 inserted into the fixed slot, and the fixed slot is opened at the top of the rotating column 3, so that the rotating column 3 cannot rotate, that is, the unfolding piece 4 is completely unfolded, and the fixed block 19 fixes the rotation of the rotating column 3, and the purpose of the second spring 20 is to increase the fault tolerance of the fixation, that is, even if it is not inserted into the fixed slot at the first time, it is inserted into the fixed slot again along with the rotation of the rotating column 3, one side of the pipe body 1 is provided with an auxiliary pipe 2, the lower surface of the auxiliary pipe 2 is rotatably provided with a rotatable rotating column 3, the surface of the rotating column 3 is rotatably provided with an unfolding piece 4, the surface of the rotating column 3 is provided with a control mechanism, the control mechanism comprises a control frame 5 and a rack 6, the control frame 5 is slidably arranged on the surface of the rotating column 3, the rack 6 is integrally arranged at the bottom of the control frame 5, the surface of the rack 6 is engaged with the unfolding piece 4, one side of the unfolding piece 4 is provided with an exhaust passage 7, the upper surface of the rotating column 3 is provided with an air inlet passage 8, one side of the exhaust passage 7 is communicated with the air inlet passage 8, the inner arc of the rotating column 3 is provided with a driving blade 9, the inner side wall of the auxiliary pipe 2 is integrally provided with a partition pipe 10, the lower surface of the control frame 5 is slidably provided with a plug 11, a first spring 12 is arranged between the plug 11 and the control frame 5, the inside of the auxiliary pipe 2 is provided with a push rod 13, the extending end of the push rod 13 is provided with a lap joint frame 14, the surface of the lap joint frame 14 is lapped with the control frame 5, the surface of the air inlet passage 8 is integrally provided with a corresponding block 15, one side of the corresponding block 15 is provided with a semicircular block 16, the semicircular block 16 is integrally arranged in the inside of the air inlet passage 8, the lower surface of the rotating column 3 is provided with an air outlet hole 17, the inner side wall of the auxiliary pipe 2 is provided with an anti-falling groove 18, the surface of the anti-falling groove 18 is lapped with the rotating column 3, the lower surface of the lap joint frame 14 is slidably provided with a fixed block 19, a second spring 20 is arranged between the lap joint frame 14 and the fixed block 19, the upper surface of the rotating column 3 is provided with a fixed slot 21 capable of inserting the fixed block 19, and the number of the fixed slot 21 is several.

[0015] The above is only for the purpose of illustrating the present application, and it should be understood that the present application is not limited to the above embodiments, and various modifications in accordance with the present application are within the scope of the present application.

Claims

1. A device for assisting the blowing of a pipeline for the transport of cement, comprising a body (1), characterised in that: The side of the pipe body (1) is provided with an auxiliary pipe (2), the lower surface of the auxiliary pipe (2) is rotatably provided with a rotatable rotating column (3), the surface of the rotating column (3) is rotatably provided with an unfolding sheet (4), the surface of the rotating column (3) is provided with a control mechanism, the control mechanism comprises a control frame (5) and a rack (6), the control frame (5) is slidingly arranged on the surface of the rotating column (3), the rack (6) is integrally arranged on the bottom of the control frame (5), the surface of the rack (6) is engaged with the unfolding sheet (4), one side of the unfolding sheet (4) is provided with an exhaust passage (7), the upper surface of the rotating column (3) is provided with an air inlet passage (8), one side of the exhaust passage (7) is communicated with the air inlet passage (8).

2. A flue duct air-boosting device according to claim 1, characterised in that: The inner arc of the rotating column (3) is provided with a driving blade (9), and the inner side wall of the auxiliary pipe (2) is integrally provided with a partition pipe (10).

3. The flue duct air-boosting device of claim 1, wherein: The lower surface of the control frame (5) is slidingly provided with a plug (11), and a first spring (12) is arranged between the plug (11) and the control frame (5).

4. The flue duct air-boosting device of claim 1, wherein: The inside of the auxiliary pipe (2) is provided with a push rod (13), the protruding end of the push rod (13) is provided with a lap joint frame (14), and the surface of the lap joint frame (14) is lapped with the control frame (5).

5. The flue duct air-boosting device of claim 1, wherein: The surface of the air inlet passage (8) is integrally provided with a corresponding block (15), and one side of the corresponding block (15) is provided with a semicircular block (16).

6. A flue duct air-boosting device according to claim 5, characterised in that: The semicircular block (16) is integrally arranged in the inside of the air inlet passage (8), and the lower surface of the rotating column (3) is provided with an air outlet hole (17).

7. The flue duct air-boosting device of claim 1, wherein: The inner side wall of the auxiliary pipe (2) is provided with an anti-falling groove (18), and the surface of the anti-falling groove (18) is lapped with the rotating column (3).

8. The flue duct air-boosting device of claim 4, wherein: The lower surface of the lap joint frame (14) is slidingly provided with a fixed block (19), and a second spring (20) is arranged between the lap joint frame (14) and the fixed block (19).

9. A flue duct air-boosting device according to claim 8, characterised in that: The upper surface of the rotating column (3) is provided with a fixed groove (21) capable of inserting the fixed block (19).

10. A flue duct air-boosting device according to claim 9, characterised in that: The number of the fixed groove (21) is several.

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