A vertical screw pneumatic conveying pump for continuously conveying powdered materials

Abstract

The present invention relates to the technical field of conveying pumps, specifically to a vertical spiral pneumatic conveying pump for continuously conveying powdered materials, which mainly includes a support frame, a dust box is installed in the middle of the top of the support frame, and a Roots blower is arranged on the right side of the dust box, a ash removal pipe is connected to the left side of the dust box, and an ash hopper is arranged on the top of the dust box, and an intermittent material blocking assembly is arranged on the inner side of the dust box, and the intermittent material blocking assembly includes a linkage rotating rod, and a telescopic support tube is arranged on the outer side of the linkage rotating rod. A vertical spiral pneumatic conveying pump for continuously conveying powdered materials of the present application drives the linkage rotating rod to rotate by wind during the transmission process of the powdered materials, and then four fitting baffles arranged on the outer side can be telescopically adjusted, and intermittently fit on the bottom ash outlet of the ash hopper to achieve intermittent blocking, so that the falling rate of the powder becomes more stable, avoiding affecting the conveying efficiency of the equipment, and reducing the accumulation of materials to increase the service life of the equipment.

Description

Technical Field

[0001] The invention relates to the technical field of conveying pumps, in particular to a vertical screw pneumatic conveying pump for continuously conveying powdered materials. Background Art

[0002] Vertical screw pneumatic conveying pump is a kind of high-efficiency equipment used for continuous conveying of powdered materials. It is suitable for conveying cement, raw meal, pulverized coal, fly ash and other powdered materials. The conveying distance can reach hundreds of meters. It is widely used in water conservancy and hydropower construction sites, the collection ash under the ash hopper of the electrostatic precipitator of thermal power plants, as well as the powdered material conveying and transfer process in the metallurgy, chemical industry, building materials, docks and other industries.

[0003] During the current operation of the equipment, materials are conveyed through blowers and screw pushers. This transmission method is suitable for continuously collected powdered materials such as cement, raw materials, coal powder and fly ash.

[0004] When the amount of powdered materials falling is large, it is difficult to accurately control the amount of these powdered materials falling. These materials are easy to accumulate inside the dust box, causing a thick layer of materials to gradually accumulate on the inner wall of the dust box, which may cause blockage inside the dust box. Once the dust box is blocked, it will not only affect the normal operation of the entire transmission system, but also accelerate the wear of the equipment due to long-term high-pressure injection, thereby shortening the service life of the equipment. This needs to be optimized and improved. Summary of the invention

[0005] The object of the present invention is to provide a vertical screw pneumatic conveying pump for continuously conveying powdered materials, so as to solve the problem proposed in the above background technology that the falling amount of powdered materials cannot be effectively processed in time, which will increase the pressure inside the dust collecting box and increase the risk of blockage.

[0006] To achieve the above object, the present invention provides the following technical solution: a vertical spiral pneumatic conveying pump for continuously conveying powdered materials, comprising: a support frame, a dust collecting box is installed in the middle of the top of the support frame, a Roots blower is arranged on the right side of the dust collecting box, an ash removal pipe is connected to the left side of the dust collecting box, and an ash hopper is arranged on the top of the dust collecting box. An intermittent material blocking assembly is arranged on the inner side of the dust collecting box, and the intermittent material blocking assembly includes a linkage rotating rod, a telescopic support tube is arranged on the outer side of the linkage rotating rod, a movable rod 1 is arranged inside the telescopic support tube, and a fitting baffle is arranged at the end of the movable rod 1, and the intermittent material blocking assembly is used for intermittent material discharge of the ash hopper; A shaking and striking assembly is arranged at the bottom end of the support frame, and the shaking and striking assembly includes an annular wave groove, a guide rod is arranged on the inner side of the annular wave groove, and an impact end is arranged on the top end of the guide rod, and the shaking and striking assembly is used for orderly striking the inner bottom end of the dust box.

[0007] Preferably, a muffler is installed on the left side of the Roots blower, and a blower pipe is connected to the left side of the muffler.

[0008] Preferably, the bottom end of the ash hopper is connected with an inclined rubber ring, and the bottom of the inclined rubber ring is inclined.

[0009] Preferably, a connecting shaft is installed at the inner top end of the dust box, and a hollow guiding inclined block is installed at the inner bottom end of the dust box, a linkage rotating rod is connected to the bottom end of the connecting shaft, and a fan blade is connected to the outer top end of the linkage rotating rod.

[0010] Preferably, a spiral blade is fixedly connected to the middle portion of the outer side of the linkage rotating rod, and an inclined scraper is installed at the bottom end of the outer side of the linkage rotating rod.

[0011] Preferably, the inside of the telescopic support tube is connected with an elastic connecting piece, and the outside of the elastic connecting piece is connected with a movable rod 1, the movable rod 1 is connected to the telescopic support tube in a limited sliding manner, the outside of the movable rod 1 is connected with a mounting block, and the upper and lower ends of the mounting block are connected with extrusion elastic pieces.

[0012] Preferably, the outer side of the mounting block is connected to the second movable rod, and the outer side of the second movable rod is connected to a fitting baffle, and the upper and lower ends of the fitting baffle are fixedly connected to adjustment blocks.

[0013] Preferably, a protective cover is provided at the bottom end of the support frame, and mounting connectors are installed on both left and right sides of the protective cover.

[0014] Preferably, a rotating docking rod is installed at the bottom end of the linkage rotating rod, and the bottom end of the rotating docking rod is connected to an adjusting ring, and the annular wave groove is opened inside the outer wall of the adjusting ring.

[0015] Preferably, a push rod is connected to the outer side of the guide rod, and a limit block is provided at the outer bottom end of the push rod, a buffer connector is connected to the top of the limit block, and an impact end is connected to the top of the push rod. A threaded groove is provided on the inner side of the guide rod, and a threaded rod is connected to the inner side of the threaded groove, and a ball is provided inside the threaded rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects: In the process of conveying the powdery material, the invention drives the linkage rotating rod to rotate by wind force, and then the four fitting baffles arranged on the outside can be telescopically adjusted, and intermittently fit on the bottom ash outlet of the ash hopper to achieve intermittent blocking, so that the falling rate of the powdery material becomes more stable, avoiding affecting the conveying efficiency of the equipment, and reducing the accumulation of materials, which can also prolong the service life of the equipment; Powder tends to gather in the middle of the inner side of the dust box. To prevent the powder from sticking together and becoming difficult to clean after standing still, the guide rod is driven by the annular wave groove to continuously shake up and down, hitting the inner bottom of the dust box, causing the stationary powder to shake, making it easier to be transmitted, thereby improving the efficiency of equipment use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a partial cross-sectional three-dimensional structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of a partially separated three-dimensional structure from another viewing angle of the present invention; Figure 4 It is a schematic diagram of a partially separated three-dimensional structure of a linkage rotating rod and an inclined scraper of the present invention; Figure 5 It is a schematic diagram of a three-dimensional structure in which the ash hopper and the inclined rubber ring are partially separated according to the present invention; Figure 6 It is a schematic diagram of a partial cross-section of the three-dimensional structure of the intermittent material blocking assembly of the present invention; Figure 7 It is an enlarged three-dimensional structural schematic diagram of the shaking striking assembly of the present invention; Figure 8 It is a schematic diagram of a partially separated three-dimensional structure of the shaking striking component of the present invention.

[0018] In the figure: 1. support frame; 2. dust box; 3. Roots blower; 4. silencer; 5. blast pipe; 6. ash hopper; 7. ash removal pipe; 8. connecting shaft; 9. hollow guide inclined block; 10. linkage rotating rod; 11. fan blade; 12. spiral blade; 13. inclined scraper; 14. inclined rubber ring; 15. telescopic support pipe; 16. elastic connector; 17. movable rod one; 18. mounting block; 19. extrusion elastic member; 20. movable rod two; 21. fitting baffle; 22. adjustment card block; 23. protective cover; 24. installation connector; 25. rotating docking rod; 26. adjustment ring; 27. annular wave groove; 28. push rod; 29. ​​limit block; 30. buffer connector; 31. impact end; 32. guide rod; 33. threaded groove; 34. threaded rod; 35. ball. DETAILED DESCRIPTION

[0019] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0020] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0021] like Figure 1-Figure 8 As shown, the present application provides a vertical screw pneumatic conveying pump for continuously conveying powdered materials, comprising: a support frame 1, a dust box 2 is installed in the middle of the top of the support frame 1, and a Roots blower 3 is arranged on the right side of the dust box 2, a dust removal pipe 7 is connected to the left side of the dust box 2, and an ash hopper 6 is arranged on the top of the dust box 2; Specifically, Figure 1 As shown, a muffler 4 is installed on the left side of the Roots blower 3, and a blast pipe 5 is connected to the left side of the muffler 4. The blast pipe 5 is used to transmit the blowing wind direction of the Roots blower 3, and is connected to the ash removal pipe 7 to allow the airflow to mix the powder for transmission.

[0022] Specifically, Figure 3 As shown, a protective cover 23 is provided at the bottom end of the support frame 1, and mounting connectors 24 are installed on both the left and right sides of the protective cover 23. The protective cover 23 is installed and removed through the mounting connectors 24 to protect the bottom parts.

[0023] An intermittent material blocking assembly is arranged on the inner side of the dust collecting box 2, and the intermittent material blocking assembly includes a linkage rotating rod 10, a telescopic support tube 15 is arranged on the outer side of the linkage rotating rod 10, a movable rod 17 is arranged inside the telescopic support tube 15, and a fitting baffle 21 is arranged at the end of the movable rod 17, and the intermittent material blocking assembly is used for intermittent material discharge of the ash hopper 6; Specifically, Figure 5 As shown, the bottom end of the ash hopper 6 is connected with an inclined rubber ring 14, and the bottom of the inclined rubber ring 14 is inclined. The inclined setting of the inclined rubber ring 14 can increase the sealing performance between the bottom of the inclined rubber ring 14 and the fitting baffle 21. The inclined setting is more convenient when just in contact with the fitting.

[0024] Specifically, Figure 2 and Figure 4 As shown, a connecting shaft 8 is installed at the inner top end of the dust box 2, and a hollow guide bevel 9 is installed at the inner bottom end of the dust box 2, a linkage rotating rod 10 is connected to the bottom end of the connecting shaft 8, and a fan blade 11 is connected to the outer top end of the linkage rotating rod 10. The connecting shaft 8 is connected to the linkage rotating rod 10 and can rotate. The setting of the fan blade 11 can positively receive the wind blown out by the blower pipe 5, thereby driving the linkage rotating rod 10 to rotate.

[0025] Specifically, Figure 4 As shown, a spiral blade 12 is fixedly connected to the middle part of the outer side of the linkage rotating rod 10, and an inclined scraper 13 is installed at the bottom end of the outer side of the linkage rotating rod 10. The spiral blade 12 is arranged in an annular incremental manner, and the material at the bottom end of the dust collecting box 2 can be transferred upward during rotation. The bottom of the inclined scraper 13 is scraped off to facilitate the material transmission of the spiral blade 12.

[0026] Specifically, Figure 6 As shown, the inside of the telescopic support tube 15 is connected with an elastic connector 16, and the outside of the elastic connector 16 is connected with a movable rod 17, the movable rod 17 is connected to the telescopic support tube 15 with limited sliding connection, the outside of the movable rod 17 is connected with a mounting block 18, and the upper and lower ends of the mounting block 18 are connected with extrusion elastic members 19, the movable rod 17 can slide within a certain range on the inside of the telescopic support tube 15 by extruding the elastic connector 16, and the two sides of the elastic connector 16 are fixedly connected to the telescopic support tube 15 and the movable rod 17.

[0027] Specifically, Figure 6 As shown, the outer side of the mounting block 18 is connected to a movable rod 20, and the outer side of the movable rod 20 is connected to a fitting baffle 21, and the upper and lower ends of the fitting baffle 21 are fixedly connected with adjustment blocks 22, the mounting block 18 and the fitting baffle 21 are rotationally connected through the movable rod 20, and then the adjustment block 22 is stuck on the outer side of the mounting block 18, and there is a certain gap, the front end of the upper half of the adjustment block 22 is connected to the extrusion elastic member 19 in front of the top of the mounting block 18, and the rear end of the lower half of the adjustment block 22 is connected to the extrusion elastic member 19 behind the bottom of the mounting block 18, through the elastic and rotational connection, the fitting baffle 21 has a certain inclination, which is easier to fit the bottom of the ash hopper 6.

[0028] A shaking and striking assembly is provided at the bottom end of the support frame 1, and the shaking and striking assembly includes an annular wave groove 27, a guide rod 32 is provided on the inner side of the annular wave groove 27, and an impact end 31 is provided at the top end of the guide rod 32. The shaking and striking assembly is used for orderly striking the inner bottom end of the dust box 2.

[0029] Specifically, Figure 7 As shown, a rotating docking rod 25 is installed at the bottom end of the linkage rotating rod 10, and an adjusting ring 26 is connected to the bottom end of the rotating docking rod 25. An annular wave groove 27 is opened inside the outer wall of the adjusting ring 26. The linkage rotating rod 10 is connected to the rotating docking rod 25, which can drive the adjusting ring 26 at the bottom end to rotate, so that the annular wave groove 27 on the outer side of the adjusting ring 26 can be adjusted in an orderly manner.

[0030] Specifically, Figure 8As shown, the outer side of the guide rod 32 is connected to the push rod 28, and the outer bottom end of the push rod 28 is provided with a limit block 29, the top of the limit block 29 is connected to the buffer connector 30, the top of the push rod 28 is connected to the impact end 31, the inner side of the guide rod 32 is provided with a threaded groove 33, and the inner side of the threaded groove 33 is connected to a threaded rod 34, and the inner side of the threaded rod 34 is provided with a ball 35. The guide rod 32 is guided and moved on the inner side of the annular wave groove 27, and the annular wave groove 27 is rotated. The ups and downs of the movement of 7 drive the push rod 28 to move up and down, so that the impact end 31 hits the inner wall of the hollow guide inclined block 9 in an orderly manner to prevent the powder on the top from sticking after standing still. The top of the buffer connector 30 is connected to the bottom of the support frame 1, and with the limit of the limit block 29, the upward movement of the impact end 31 can be buffered and protected. The guide rod 32 is connected to the annular wave groove 27 by a ball 35 to reduce friction, and the threaded rod 34 can be removed and replaced after the ball 35 is worn.

[0031] In this embodiment: during the transmission of powdery materials, the linkage rotating rod 10 is rotated by wind force, and then the four fitting baffles 21 arranged on the outside can be telescopically adjusted, and intermittently fit on the bottom ash outlet of the ash hopper 6 to achieve intermittent blocking, so that the falling rate of the powder becomes more stable, and the powder is easy to gather in the middle of the inner side of the dust box 2. In order to prevent the powder from sticking and being difficult to clean after standing, the guide rod 32 is driven by the annular wave groove 27 to continuously shake up and down, hitting the inner bottom of the dust box 2, so that the stationary powder is shaken, and it is easier to be transmitted after being lifted up.

[0032] The specific scheme is as follows: during use, the spiral pneumatic conveying pump equipment is running, at this time, the Roots blower 3 is blowing, and the ash hopper 6 at the top collects powder, the wind drives the fan blades 11 to rotate, thereby driving the linkage rotating rod 10 to rotate, and while rotating, the fitting baffle 21 also rotates, intermittently fitting to the bottom of the ash hopper 6, which is convenient for blocking the falling materials of the ash hopper 6, and the connection between the fitting baffle 21 and the movable rod 17 can be changed in a small angle, so that the fitting baffle 21 and the bottom of the ash hopper 6 can be obliquely glued. The ring 14 is more convenient to fit, and the rate of material discharge is controlled by intermittent blocking to avoid excessive accumulation. If there is accumulation at the bottom, the material can be transferred upward by the rotation of the spiral blade 12. During the transfer, the linkage rotating rod 10 also drives the adjusting ring 26 to rotate, so that the annular wave groove 27 on the outside of the adjusting ring 26 rotates, so that the inner guide rod 32 can be guided up and down, and the impact end 31 is driven to hit the inner wall of the hollow guide inclined block 9, so that the stationary powder can be lifted up and more easily transmitted to the ash removal pipe 7 for transportation.

[0033] A person skilled in the art should understand that the discussion of any of the above embodiments is only exemplary; within the scope of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0034] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A vertical screw pneumatic conveying pump for continuously conveying powdered materials, comprising: A support frame (1), a dust box (2) is installed in the middle of the top of the support frame (1), a Roots blower (3) is arranged on the right side of the dust box (2), a dust removal pipe (7) is connected to the left side of the dust box (2), and an ash hopper (6) is arranged on the top of the dust box (2), characterized in that: An intermittent material blocking assembly, the intermittent material blocking assembly is arranged on the inner side of the dust collecting box (2), and the intermittent material blocking assembly comprises a linkage rotating rod (10), a telescopic support tube (15) is arranged on the outer side of the linkage rotating rod (10), a movable rod 1 (17) is arranged inside the telescopic support tube (15), and a fitting baffle (21) is arranged at the end of the movable rod 1 (17), and the intermittent material blocking assembly is used for intermittent material discharge from the ash hopper (6); A shaking and striking assembly, the shaking and striking assembly being arranged at the bottom end of the support frame (1), and the shaking and striking assembly comprising an annular wave groove (27), a guide rod (32) being arranged on the inner side of the annular wave groove (27), and a striking end (31) being arranged on the top end of the guide rod (32), the shaking and striking assembly being used for orderly striking the inner bottom end of the dust collecting box (2).

2. A vertical screw pneumatic conveying pump for continuously conveying powdered materials according to claim 1, characterized in that: A muffler (4) is installed on the left side of the Roots blower (3), and a blast pipe (5) is connected to the left side of the muffler (4).

3. A vertical screw pneumatic conveying pump for continuously conveying powdered materials according to claim 1, characterized in that: The bottom end of the ash hopper (6) is connected to an inclined rubber ring (14), and the bottom of the inclined rubber ring (14) is arranged inclined.

4. A vertical screw pneumatic conveying pump for continuously conveying powdered materials according to claim 1, characterized in that: A connecting shaft (8) is installed at the inner top end of the dust box (2), and a hollow guiding inclined block (9) is installed at the inner bottom end of the dust box (2); the linkage rotating rod (10) is connected to the bottom end of the connecting shaft (8), and the outer top end of the linkage rotating rod (10) is connected to a fan blade (11).

5. A vertical screw pneumatic conveying pump for continuously conveying powdered materials according to claim 4, characterized in that: A spiral blade (12) is fixedly connected to the middle portion of the outer side of the linkage rotating rod (10), and an inclined scraper (13) is installed at the bottom end of the outer side of the linkage rotating rod (10).

6. A vertical screw pneumatic conveying pump for continuously conveying powdered materials according to claim 1, characterized in that: The interior of the telescopic support tube (15) is connected to an elastic connecting piece (16), and the outer side of the elastic connecting piece (16) is connected to a movable rod (17), the movable rod (17) is connected to the telescopic support tube (15) in a limited sliding manner, the outer side of the movable rod (17) is connected to a mounting block (18), and the upper and lower ends of the mounting block (18) are connected to extrusion elastic pieces (19).

7. A vertical screw pneumatic conveying pump for continuously conveying powdered materials according to claim 6, characterized in that: The outer side of the mounting block (18) is connected to a second movable rod (20), and the outer side of the second movable rod (20) is connected to a fitting baffle (21), and the upper and lower ends of the fitting baffle (21) are fixedly connected to adjustment blocks (22).

8. A vertical screw pneumatic conveying pump for continuously conveying powdered materials according to claim 1, characterized in that: A protective cover (23) is provided at the bottom end of the support frame (1), and mounting connectors (24) are installed on both left and right sides of the protective cover (23).

9. A vertical screw pneumatic conveying pump for continuously conveying powdered materials according to claim 4, characterized in that: A rotating docking rod (25) is installed at the bottom end of the linkage rotating rod (10), and an adjusting ring (26) is connected to the bottom end of the rotating docking rod (25), and the annular wave groove (27) is arranged inside the outer wall of the adjusting ring (26).

10. A vertical screw pneumatic conveying pump for continuously conveying powdered materials according to claim 1, characterized in that: The outer side of the guide rod (32) is connected to a push rod (28), and a limit block (29) is provided at the outer bottom end of the push rod (28), the top end of the limit block (29) is connected to a buffer connection piece (30), the top end of the push rod (28) is connected to an impact end (31), a thread groove (33) is provided on the inner side of the guide rod (32), and a threaded rod (34) is connected to the inner side of the thread groove (33), and a ball (35) is provided inside the threaded rod (34).

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