Boosting device for pneumatic powder conveying

Abstract

The utility model discloses a boosting device for pneumatic powder conveying, which comprises a pipeline, a boosting mechanism for pushing powder is arranged in the pipeline, the boosting mechanism comprises a boosting component and an optimizing component, the boosting component is arranged on the pipeline and used for pushing the powder to move, and the optimizing component comprises a first circular ring fixedly connected to the inner wall of the pipeline and a second circular ring fixedly connected to the inner wall of the pipeline. One side of the first circular ring is an inclined plane, the other side of the first circular ring is fixedly connected with a group of concave blocks, connecting rods are rotationally connected between the opposite side walls of the group of concave blocks through first rotating shafts, a rubber cylinder is fixedly connected to the group of connecting rods, and sliding grooves are formed in the group of connecting rods; the utility model relates to the technical field of pneumatic powder conveying. According to the boosting device for pneumatic powder conveying, the problem that in the prior art, the inner diameter cannot be adjusted according to different flow requirements and properties needed by powder materials to optimize the flow speed and pressure distribution, and therefore pressure loss is caused is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder pneumatic conveying, in particular to a boosting device for powder pneumatic conveying. Background Art

[0002] Pneumatic conveying of powders involves sealing the material being conveyed in a pipe and using compressed air as a motive force through the pneumatic conveying equipment to dry-transport solid particles through the sealed pipe. This process is widely used in industries such as coal, chemicals, foundry, coal-fired power plants, pharmaceuticals, building materials, grain, and ports. The pneumatic drive ensures material quality, is unaffected by moisture and various climatic conditions, and eliminates secondary dust contamination.

[0003] The existing boosting device also has the following problems. Reference announcement number CN217626360U discloses a boosting device for pneumatic conveying of powders, which includes a connecting sleeve, flanges at both ends of the connecting sleeve, a buffer chamber on the outer end face of the connecting sleeve, a limit plate in the buffer chamber, a pressure relief groove on the side face of the buffer chamber, a piston and a spring between the limit plate and the pressure relief groove, an air inlet at the bottom of the buffer chamber, a guide plate and a baffle in the connecting sleeve, a pressurization chamber formed between the guide plate and the baffle, and a through hole between the pressurization chamber and the buffer chamber. The utility model increases the flow rate of the material when passing through the connecting sleeve by arranging a guide plate and a baffle structure in the connecting sleeve, and when the conveying pipeline stops operating under the action of the baffle, the residual material will not enter the pressurization chamber to block the air flow channel, thereby improving the service life of the equipment. The buffer chamber, spring and piston structure cooperate to avoid the local pressure in the conveying pipeline from being excessively high and causing a burst when the air inlet suddenly enters the air intake.

[0004] However, the above technology cannot solve the problem in the prior art that the inner diameter cannot be adjusted according to the different flow requirements and properties of the powder material to optimize the flow rate and pressure distribution, thereby causing pressure loss. For this reason, the present utility model provides a booster device for pneumatic conveying of powders. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a booster device for pneumatic conveying of powders, which solves the problem in the existing technology that the inner diameter size cannot be adjusted according to the different flow requirements and properties required by the powder material to optimize the flow rate and pressure distribution, thereby causing pressure loss.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A boosting device for pneumatic conveying of powders, comprising a pipeline, wherein a boosting mechanism for pushing the powders is provided in the pipeline, and the boosting mechanism comprises:

[0007] The booster component is set on the pipeline to promote the movement of powder:

[0008] The optimization component includes a first circular ring fixedly connected to the inner wall of the pipe, one side of the first circular ring is an inclined surface, and the other side of the first circular ring is fixedly connected to a group of concave blocks, and the opposite side walls of the group of concave blocks are rotatably connected to connecting rods through a first rotating shaft, a group of the connecting rods are fixed with a rubber tube, a group of the connecting rods are provided with a sliding groove, and an adjustment component for adjusting the angle of a group of connecting rods is provided on the pipe.

[0009] Preferably, the adjustment assembly includes a group of rectangular rods slidingly connected to the pipeline through a group of square through holes, a group of sliding grooves are slidably connected to circular blocks, one end of a group of rectangular rods is respectively fixed to a group of circular blocks, and a group of rectangular rods are fixed to a circular block.

[0010] Preferably, a group of rectangular grooves are opened on the pipe, and a second circular ring is slidably connected in a group of rectangular grooves through a group of sliding blocks. A group of extrusion blocks is fixed to the side wall of the second circular ring, and a group of extrusion blocks are respectively slidably connected in a group of circular blocks.

[0011] Preferably, a pair of fixing blocks are fixedly connected to the pipe, the side walls of the pair of fixing blocks are fixedly connected to electric telescopic rods, and the telescopic ends of the pair of electric telescopic rods are fixedly connected to the side walls of the second circular ring.

[0012] Preferably, the booster assembly includes an outer tube fixed to the pipeline, an air inlet is provided on the outer tube, and an air inlet ring groove is opened on the outer tube.

[0013] Preferably, a circular through hole is opened on one side of the outer tube, and a third circular ring is fixed to the inner wall of the outer tube through a spring, and the third circular ring is slidably connected to the inner circular wall of the outer tube and the outer circular wall of the pipeline. Beneficial effects

[0014] The utility model provides a booster device for pneumatic conveying of powders. Compared with the prior art, it has the following beneficial effects:

[0015] (1) A booster device for pneumatic conveying of powders, which moves the second circular ring by pulling it through an electric telescopic rod, thereby driving the inclined edges of a group of extrusion blocks to extrude, thereby driving the circular blocks and rectangular rods to move, thereby driving the connecting rod to adjust the expansion angle of the rubber tube, thereby optimizing the conveying speed and pressure, and adjusting the rubber pad according to the fluidity, density, particle size and humidity of the material to improve the conveying efficiency.

[0016] (2) A booster device for pneumatic conveying of powders is provided. The outer tube is fixed to the pipeline, and then the air inlet is connected to the external air compressor. The air compressor pressurizes the outer tube through the air inlet. When pressurizing, the third circular ring squeezes the spring to buffer and unload the force to avoid a sudden increase in pressure in the pipeline causing a burst. The compressed air generated by the air compressor enters the pipeline through the air inlet ring groove, thereby promoting the flow of materials to achieve the purpose of boosting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is a cross-sectional view of the pipeline of the present utility model;

[0019] Figure 3 This is an exploded view of the rubber tube of the present utility model;

[0020] Figure 4 This is an exploded view of the circular block of the present utility model;

[0021] Figure 5 This is an exploded view of the second circular ring of the present invention.

[0022] In the figure: 1. Pipe; 2. First circular ring; 3. Concave block; 4. Connecting rod; 5. Rubber tube; 6. Sliding groove; 7. Rectangular rod; 8. Circular block; 9. Circular block; 10. Rectangular groove; 11. Second circular ring; 12. Extrusion block; 13. Fixed block; 14. Electric telescopic rod; 15. Outer tube; 16. Air inlet; 17. Air inlet ring groove; 18. Circular through hole; 19. Third circular ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5The utility model provides a technical solution: a booster device for pneumatic conveying of powders, comprising a pipe 1, a booster mechanism for pushing powders is provided in the pipe 1, the booster mechanism comprises: a booster assembly, which is arranged on the pipe 1 for pushing the powders to move: an optimization assembly, comprising a first circular ring 2 fixedly connected to the inner wall of the pipe 1, one side of the first circular ring 2 is an inclined surface, a group of concave blocks 3 fixedly connected to the other side of the first circular ring 2, a group of concave blocks 3 are rotatably connected to the opposite side walls of the group of concave blocks 3 through a first rotating shaft, a group of connecting rods 4 are fixedly connected to a rubber tube 5, a group of connecting rods 4 are each provided with a sliding groove 6, an adjustment assembly for adjusting the angle of a group of connecting rods 4 is provided on the pipe 1, the adjustment assembly comprises a group of rectangular rods 7 slidably connected to the pipe 1 through a group of square through holes, a group of sliding grooves 6 are slidably connected to circular blocks 8, one end of a group of rectangular rods 7 is respectively fixed to a group of circular blocks 8, a group of rectangular rods 7 They are all fixed with a circular block 9, and a group of rectangular grooves 10 are opened on the pipe 1. A second circular ring 11 is slidably connected to the group of rectangular grooves 10 through a group of sliding blocks. A group of extrusion blocks 12 are fixed to the side walls of the second circular ring 11, and a group of extrusion blocks 12 are respectively slidably connected to a group of circular blocks 9. A pair of fixed blocks 13 are fixed to the pipe 1, and the side walls of a pair of fixed blocks 13 are fixed with an electric telescopic rod 14, and the telescopic ends of the pair of electric telescopic rods 14 are fixed to the side walls of the second circular ring 11; the second circular ring 11 is moved by pulling the electric telescopic rod 14, thereby driving the inclined edges of a group of extrusion blocks 12 to extrude, thereby driving the circular block 9 and the rectangular rod 7 to move, thereby driving the connecting rod 4 to adjust the expansion angle of the rubber tube 5, thereby optimizing the conveying speed and pressure, and the rubber pad can be adjusted according to the fluidity, density, particle size and humidity of the material to improve the conveying efficiency.

[0025] In this embodiment, the booster assembly includes an outer tube 15 fixed to the pipeline 1, an air inlet 16 is provided on the outer tube 15, an air inlet ring groove 17 is opened on the outer tube 15, a circular through hole 18 is opened on one side of the outer tube 15, and a third circular ring 19 is fixed to the inner wall of the outer tube 15 by a spring, and the third circular ring 19 is slidably connected to the inner circular wall of the outer tube 15 and the outer circular wall of the pipeline 1; the outer tube 15 is fixed to the pipeline 1, and then the air inlet 16 is connected to an external air compressor, and the air compressor pressurizes the outer tube 15 through the air inlet 16. When pressurizing, the third circular ring 19 squeezes the spring to buffer and unload the force, thereby preventing the sudden increase of pressure in the pipeline 1 from causing a burst. The compressed air generated by the air compressor enters the pipeline 1 through the air inlet ring groove 17, thereby promoting the flow of materials to achieve the purpose of boosting. At the same time, the contents not described in detail in this specification belong to the existing technology well known to those skilled in the art. During operation, the electric telescopic rod 14 pulls the second circular ring 11 to move, thereby driving the inclined edges of a group of extrusion blocks 12 to squeeze, thereby driving the circular block 9 and the rectangular rod 7 to move, thereby driving the connecting rod 4 to adjust the expansion angle of the rubber tube 5, thereby optimizing the conveying speed and pressure, and adjusting the rubber pad according to the fluidity, density, particle size and humidity of the material to improve the conveying efficiency. The outer tube 15 is fixed to the pipeline 1, and then the air inlet 16 is connected to the external air compressor. The air compressor pressurizes the outer tube 15 through the air inlet 16. When pressurizing, the third circular ring 19 squeezes the spring to buffer and unload the force, avoiding a sudden increase in pressure in the pipeline 1 and causing a burst. The compressed air generated by the air compressor enters the pipeline 1 through the air inlet ring groove 17, thereby promoting the flow of materials to achieve the purpose of boosting. It should be noted that in this article, relational terms such as first and second are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A booster device for pneumatic conveying of powder, comprising a pipeline (1), characterized in that: The pipeline (1) is provided with a boosting mechanism for pushing the powder, and the boosting mechanism comprises: A booster assembly is provided on the pipe (1) to push the powder to move: The optimized component comprises a first circular ring (2) fixedly connected to the inner wall of a pipe (1), one side of the first circular ring (2) is an inclined surface, a group of concave blocks (3) fixedly connected to the other side of the first circular ring (2), a connecting rod (4) rotatably connected between the opposite side walls of the group of concave blocks (3) via a first rotating shaft, a rubber tube (5) fixedly connected to a group of the connecting rods (4), a sliding groove (6) provided on a group of the connecting rods (4), and an adjusting component for adjusting the angle of the group of connecting rods (4) provided on the pipe (1).

2. The booster device for pneumatic conveying of powder according to claim 1, characterized in that: The regulating assembly comprises a group of rectangular rods (7) slidably connected to the pipe (1) through a group of square through holes, a group of sliding grooves (6) are all slidably connected to circular blocks (8), one end of a group of rectangular rods (7) is respectively fixed to a group of circular blocks (8), and a group of rectangular rods (7) are all fixed to a circular block (9).

3. The booster device for pneumatic conveying of powder according to claim 2, characterized in that: A group of rectangular grooves (10) are provided on the pipe (1), a group of the rectangular grooves (10) are slidably connected to a second circular ring (11) via a group of sliding blocks, a group of extrusion blocks (12) are fixed to the side walls of the second circular ring (11), and a group of the extrusion blocks (12) are respectively slidably connected to a group of circular blocks (9).

4. The booster device for pneumatic conveying of powder according to claim 3, characterized in that: A pair of fixed blocks (13) are fixedly connected to the pipe (1), and electric telescopic rods (14) are fixedly connected to the side walls of the pair of fixed blocks (13), and the telescopic ends of the pair of electric telescopic rods (14) are fixedly connected to the side walls of the second circular ring (11).

5. The booster device for pneumatic conveying of powder according to claim 1, characterized in that: The booster assembly comprises an outer tube (15) fixed to the pipeline (1), an air inlet (16) is provided on the outer tube (15), and an air inlet ring groove (17) is opened on the outer tube (15).

6. The booster device for pneumatic conveying of powder according to claim 5, characterized in that: A circular through hole (18) is provided on one side of the outer tube (15), and a third circular ring (19) is fixed to the inner wall of the outer tube (15) via a spring, and the third circular ring (19) is slidably connected to the inner circular wall of the outer tube (15) and the outer circular wall of the pipeline (1).

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