Stirring device for preparing coal water slurry

Abstract

The utility model discloses a stirring device for preparing coal water slurry, which comprises a base, the top of the base is fixedly provided with a stirring barrel through a support, the surface of the stirring barrel is rotatably connected with a rotating ring through a bearing piece, and the inner side of the rotating ring is fixedly provided with a cover plate. A third gear rotates to drive a rotating ring to rotate by meshing with a second annular meshing plate, the rotating ring rotates to drive a cover plate to rotate, the cover plate rotates to drive a first stirring rod and a second stirring rod to rotate, the second stirring rod rotates to drive a second gear to move, and the second gear moves to drive the second stirring rod to rotate by meshing with the first annular meshing plate; meanwhile, the second gear rotates to drive the first stirring rod to rotate by meshing with the first gear, and the first stirring rod and the second stirring rod rotate to drive the first stirring blade and the second stirring blade to rotate, so that the effect of improving the mixing efficiency of the raw materials in the stirring barrel is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water-coal slurry preparation, in particular to a stirring device for water-coal slurry preparation. Background Art

[0002] Coal-water slurry is a coal-based fluid fuel composed of coal powder, water and a small amount of chemical additives. It retains the combustion characteristics of coal and has the liquid combustion application characteristics similar to heavy oil. This fuel is widely used in the fields of electricity, metallurgy, chemical industry, etc. due to its environmental protection, high efficiency and convenient transportation.

[0003] In the process of preparing water-coal slurry, a stirring device is often required to mix and stir the coal, water and chemical additives. However, the existing stirring device has a single stirring structure and cannot efficiently mix the raw materials when in use, which in turn affects the preparation efficiency of the water-coal slurry. At the same time, when the existing stirring device is in use, the raw materials will adhere to the inner wall of the stirring device, resulting in some residues in the stirring device during the discharge process, causing waste of raw materials. Therefore, it is necessary to design a new stirring device for preparing water-coal slurry to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a stirring device for preparing water-coal slurry to solve the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stirring device for preparing water-coal slurry, comprising a base, a stirring barrel is fixedly installed on the top of the base through a bracket, a rotating ring is rotatably connected to the surface of the stirring barrel through a bearing, a cover plate is fixedly installed on the inner side of the rotating ring, a second stirring rod is rotatably connected to the front side of the top of the cover plate through an opening, a first stirring rod is rotatably connected to the rear side of the top of the cover plate through an opening, a first stirring blade is fixedly installed on the surface of the first stirring rod, and a plurality of first stirring blades are provided, a second stirring blade is fixedly installed on the surface of the second stirring rod, and a plurality of second stirring blades are provided;

[0006] A second gear is fixedly installed on the top of the second stirring rod, and a first gear meshing with the second gear is fixedly installed on the top of the first stirring rod. Support rods are fixedly installed on both sides of the surface of the stirring barrel, and a first annular meshing plate meshing with the second gear is fixedly installed between the two support rods. A driving mechanism is provided on the surface of the stirring barrel.

[0007] Preferably, the driving mechanism comprises a motor fixedly mounted on the surface of the mixing barrel via a bracket, the output shaft of the motor is fixedly mounted with a third gear via a coupling, and the surface of the rotating ring is fixedly mounted with a second annular meshing plate meshing with the third gear.

[0008] Preferably, an L-shaped scraper is fixedly mounted on the rear side of the bottom of the cover plate, and the surface of the L-shaped scraper is in close contact with the inner wall of the mixing barrel.

[0009] Preferably, the rear portion of the mixing barrel is connected to a feed pipe.

[0010] Preferably, the bottom of the mixing barrel is connected to a discharge pipe.

[0011] Preferably, a solenoid valve is provided on the surface of the discharge pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The stirring device for preparing water-coal slurry starts the motor, and the motor starts to drive the third gear to rotate. The rotation of the third gear drives the rotating ring to rotate by engaging the second annular meshing plate. The rotation of the rotating ring drives the cover plate to rotate. The rotation of the cover plate drives the first stirring rod and the second stirring rod to rotate. The rotation of the second stirring rod drives the second gear to move. The movement of the second gear drives the second stirring rod to rotate by engaging the first annular meshing plate. At the same time, the rotation of the second gear can drive the first stirring rod to rotate by engaging the first gear. The self-rotation of the first stirring rod and the second stirring rod drives the first stirring blade and the second stirring blade to rotate, thereby achieving the effect of improving the mixing efficiency of the raw materials in the stirring barrel.

[0014] 2. The stirring device for preparing water-coal slurry is provided with an L-shaped scraper, so that the rotation of the cover plate can drive the L-shaped scraper to rotate. The rotation of the L-shaped scraper can achieve the effect of scraping off the raw materials attached to the inner wall of the stirring barrel, thereby avoiding the waste of raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a side view of the internal structure of the mixing barrel of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the first stirring rod, the second stirring rod and the L-shaped scraper of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the discharge pipe, solenoid valve and feed pipe of the utility model.

[0019] In the figure: 1. base; 2. mixing barrel; 3. rotating ring; 4. cover plate; 5. first mixing rod; 6. second mixing rod; 7. first mixing blade; 8. second mixing blade; 9. first gear; 10. second gear; 11. support rod; 12. first annular meshing plate; 13. motor; 14. third gear; 15. second annular meshing plate; 16. L-shaped scraper; 17. discharge pipe; 18. solenoid valve; 19. feed pipe. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] Please refer to Figure 1-4 As shown, the utility model provides a stirring device for preparing water-coal slurry, comprising a base 1, a stirring barrel 2 is fixedly installed on the top of the base 1 through a bracket, a rotating ring 3 is rotatably connected to the surface of the stirring barrel 2 through a bearing, a cover plate 4 is fixedly installed on the inner side of the rotating ring 3, a second stirring rod 6 is rotatably connected to the front side of the top of the cover plate 4 through an opening, a first stirring rod 5 is rotatably connected to the rear side of the top of the cover plate 4 through an opening, a first stirring blade 7 is fixedly installed on the surface of the first stirring rod 5, and a plurality of first stirring blades 7 are provided, a second stirring blade 8 is fixedly installed on the surface of the second stirring rod 6, and a plurality of second stirring blades 8 are provided, a feed pipe 19 is connected to the rear of the stirring barrel 2, a discharge pipe 17 is connected to the bottom of the stirring barrel 2, and a solenoid valve 18 is provided on the surface of the discharge pipe 17;

[0023] Specifically, a second gear 10 is fixedly installed on the top of the second stirring rod 6, a first gear 9 meshing with the second gear 10 is fixedly installed on the top of the first stirring rod 5, support rods 11 are fixedly installed on both sides of the surface of the stirring barrel 2, a first annular meshing plate 12 meshing with the second gear 10 is fixedly installed between the two support rods 11, and a driving mechanism is provided on the surface of the stirring barrel 2, the driving mechanism includes a motor 13 fixedly installed on the surface of the stirring barrel 2 through a bracket, the motor 13 is a servo motor, and a third gear 14 is fixedly installed on the output shaft of the motor 13 through a coupling, and a second annular meshing plate 15 meshing with the third gear 14 is fixedly installed on the surface of the rotating ring 3. By setting the driving mechanism and pouring the raw materials to be mixed into the stirring barrel 2 through the feeding pipe 19, then The motor 13 is started, and the motor 13 starts to drive the third gear 14 to rotate. The rotation of the third gear 14 drives the rotating ring 3 to rotate by engaging the second annular meshing plate 15. The rotation of the rotating ring 3 drives the cover plate 4 to rotate. The rotation of the cover plate 4 drives the first stirring rod 5 and the second stirring rod 6 to rotate. The second stirring rod 6 rotates and drives the second gear 10 to move. The movement of the second gear 10 drives the second stirring rod 6 to rotate by engaging the first annular meshing plate 12. At the same time, the rotation of the second gear 10 can drive the first stirring rod 5 to rotate by engaging the first gear 9. The rotation of the first stirring rod 5 and the second stirring rod 6 drives the first stirring blade 7 and the second stirring blade 8 to rotate, thereby improving the mixing efficiency of the raw materials in the mixing barrel 2. After the mixing is completed, the water-coal slurry in the mixing barrel 2 can be discharged through the discharge pipe 17 by opening the solenoid valve 18.

[0024] Among them: an L-shaped scraper 16 is fixedly installed on the rear side of the bottom of the cover plate 4, and the surface of the L-shaped scraper 16 is in close contact with the inner wall of the mixing barrel 2. By setting the L-shaped scraper 16, the rotation of the cover plate 4 can drive the L-shaped scraper 16 to rotate. The rotation of the L-shaped scraper 16 can achieve the effect of scraping off the raw materials attached to the inner wall of the mixing barrel 2, thereby avoiding the waste of raw materials.

[0025] Working principle: The utility model is a stirring device for preparing water-coal slurry. The raw materials to be mixed are poured into the stirring barrel 2 through the feeding pipe 19, and then the motor 13 is started. The motor 13 starts to drive the third gear 14 to rotate. The third gear 14 rotates and drives the rotating ring 3 to rotate by engaging the second annular meshing plate 15. The rotating ring 3 rotates and drives the cover plate 4 to rotate. The cover plate 4 rotates and drives the first stirring rod 5 and the second stirring rod 6 to rotate. The second stirring rod 6 rotates and drives the second gear 10 to move. The second gear 10 moves and drives the second stirring rod 6 to rotate by engaging the first annular meshing plate 12. When the second gear 10 rotates, the first stirring rod 5 can be driven to rotate by meshing with the first gear 9. The first stirring rod 5 and the second stirring rod 6 rotate to drive the first stirring blade 7 and the second stirring blade 8 to rotate, thereby improving the mixing efficiency of the raw materials in the stirring barrel 2. After the mixing is completed, the water-coal slurry in the stirring barrel 2 can be discharged through the discharge pipe 17 by opening the solenoid valve 18. At the same time, by arranging the L-shaped scraper 16, the rotation of the cover plate 4 can drive the L-shaped scraper 16 to rotate. The rotation of the L-shaped scraper 16 can achieve the effect of scraping off the raw materials attached to the inner wall of the stirring barrel 2, thereby avoiding the waste of raw materials.

[0026] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stirring device for preparing water-coal slurry, comprising a base (1), Features: A stirring barrel (2) is fixedly mounted on the top of the base (1) via a bracket, a rotating ring (3) is rotatably connected to the surface of the stirring barrel (2) via a bearing, a cover plate (4) is fixedly mounted on the inner side of the rotating ring (3), a second stirring rod (6) is rotatably connected to the front side of the top of the cover plate (4) via an opening, a first stirring rod (5) is rotatably connected to the rear side of the top of the cover plate (4) via an opening, a first stirring blade (7) is fixedly mounted on the surface of the first stirring rod (5), and a plurality of first stirring blades (7) are provided, and a second stirring blade (8) is fixedly mounted on the surface of the second stirring rod (6), and a plurality of second stirring blades (8) are provided; A second gear (10) is fixedly mounted on the top end of the second stirring rod (6); a first gear (9) meshing with the second gear (10) is fixedly mounted on the top end of the first stirring rod (5); support rods (11) are fixedly mounted on both sides of the surface of the stirring barrel (2); a first annular meshing plate (12) meshing with the second gear (10) is fixedly mounted between the two support rods (11); and a driving mechanism is arranged on the surface of the stirring barrel (2).

2. A stirring device for preparing coal water slurry according to claim 1, Features: The driving mechanism comprises a motor (13) fixedly mounted on the surface of the mixing barrel (2) via a bracket, the output shaft of the motor (13) being fixedly mounted with a third gear (14) via a coupling, and the surface of the rotating ring (3) being fixedly mounted with a second annular meshing plate (15) meshing with the third gear (14).

3. A stirring device for preparing coal water slurry according to claim 1, Features: An L-shaped scraper (16) is fixedly mounted on the rear side of the bottom of the cover plate (4), and the surface of the L-shaped scraper (16) is in close contact with the inner wall of the mixing barrel (2).

4. A stirring device for preparing coal water slurry according to claim 1, Features: The rear portion of the stirring barrel (2) is connected to a feed pipe (19).

5. A stirring device for preparing coal water slurry according to claim 1, Features: The bottom of the stirring barrel (2) is connected to a discharge pipe (17).

6. A stirring device for preparing coal water slurry according to claim 5, Features: A solenoid valve (18) is provided on the surface of the discharge pipe (17).

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