Pipeline mixed material pneumatic conveying device

Abstract

The invention relates to the technical field of conveying devices, in particular to a pipeline material mixing pneumatic conveying device which comprises a Roots blower, a plurality of raw material bins, a material storage bin and a material mixing pipe, the two ends of the material mixing pipe are connected with the Roots blower and the material storage bin correspondingly, and rotary feeders are arranged at the bottoms of the raw material bins correspondingly. Discharging ports in the bottoms of the multiple rotary feeders are all communicated with a material mixing pipe, the material mixing pipe comprises a bent pipe and two conveying pipes, the two ends of the bent pipe are communicated with the corresponding conveying pipes respectively, a plurality of evenly-distributed fixing bases are fixedly installed on the outer side of the bent pipe, a fixing support is arranged outside the bent pipe, and the fixing support is fixedly connected with the bent pipe. A cleaning mechanism is arranged in each bent pipe, and a driving mechanism is arranged on one side of the fixing support. The powder conveying device has the beneficial effects that through the arranged cleaning mechanism, the situation that powder is accumulated at the bent pipe, and consequently the bent pipe is blocked is avoided, and the powder can be conveyed normally.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of conveying devices, in particular to a pipeline mixing pneumatic conveying device. BACKGROUND

[0002] The traditional powder material mixing process has a fixed mode: the material needs to be first dosed, then transported to a dedicated mixing tank, and mixing is achieved by stirring or air mixing. This mixing method requires separate mixing pipes and corresponding conveying steps, which occupies a large area of equipment and plant, and the production process is complicated. In this process, there are waiting links (such as the time-consuming of transporting the material to the mixing tank and mixing in the tank), which causes low production efficiency.

[0003] The pneumatic conveying of powder material achieves rapid diffusion of the material through air flow disturbance, and the mixing uniformity is less affected by the material density and particle size difference. Compared with the stirring method, the equipment and plant occupy a smaller area, and there is no waiting link, which can improve the production efficiency. The pneumatic conveying of powder material generally transports the powder from a low position to a high position. The bottom elbow of the mixing pipe of the powder pneumatic conveying system is usually a 90-degree horizontal and vertical structure. When the powder enters the elbow in the horizontal direction, it changes from horizontal to vertical upward. During the turning process, the air flow forms a vortex zone on the inside of the elbow due to the centrifugal force. The flow rate of the powder drops sharply, and the insufficient flow rate causes the powder to be unable to maintain suspension and directly settle at the bottom of the elbow. Long-term use will cause the accumulation of powder at the elbow, causing blockage at the elbow and affecting the conveying of the powder. SUMMARY

[0004] The purpose of the present application is to provide a pipeline mixing pneumatic conveying device to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical solution: a pipeline mixing pneumatic conveying device, comprising a Roots blower, a plurality of raw material bins, a storage bin, and a mixing pipe, both ends of the mixing pipe being connected with the Roots blower and the storage bin, the bottom of each of the plurality of raw material bins being provided with a rotary feeder, the discharge port of the bottom of each of the plurality of rotary feeders being in communication with the mixing pipe, the mixing pipe comprising an elbow and two conveying pipes, both ends of the elbow being in communication with the respective corresponding conveying pipes, a plurality of evenly distributed fixed seats being fixedly installed on the outside of the elbow, a fixed support being provided on the outside of the elbow, a cleaning mechanism being provided in the elbow, and a driving mechanism being provided on one side of the fixed support.

[0006] Preferably, the cleaning mechanism comprises an air compressor and a plurality of installation barrels, the air compressor is fixedly connected with the fixed support, the plurality of installation barrels are respectively threadedly connected in the respective corresponding fixed seats, a gas passage is communicated with the gas outlet of the air compressor, a plurality of branch pipes are communicated with the two sides of the gas passage, and the inside of each of the plurality of installation barrels is provided with a jetting assembly and a plugging assembly.

[0007] Preferably, the jetting assembly comprises a sliding cavity, the sliding cavity is arranged at one end of the bottom of the corresponding installation barrel, the inside of the sliding cavity is provided with a jetting pipe, a hose is communicated with the top of the jetting pipe, the top of the hose is communicated with the corresponding branch pipe, an annular seat is fixedly connected with the top of the jetting pipe, a horizontal groove is arranged at one end of the annular seat, an inclined groove is communicated with one end of the horizontal groove, guide rods are slidably arranged at the two ends of the top of the annular seat, and the tops of the two guide rods are fixedly connected with the inner wall of the installation barrel.

[0008] Preferably, the plugging assembly comprises a rotating shaft, the rotating shaft is rotatably arranged in the inside of the installation barrel, the top of the rotating shaft penetrates through the installation barrel and extends to the top of the installation barrel, the rotating shaft is coaxially arranged with the installation barrel, a plugging plate is fixedly arranged at the bottom of the rotating shaft, the plugging plate is matched with the sliding cavity, a transmission rod one is fixedly arranged at one side of the outside of the rotating shaft, and the transmission rod one is matched with the horizontal groove and the inclined groove.

[0009] Preferably, the driving mechanism comprises a connecting support, one side of the connecting support is fixedly connected with the fixed support, a transmission support is slidably arranged at the top of the connecting support, a half-tooth ring is fixedly arranged at the top of the transmission support, a gear one is engaged with the top of the half-tooth ring, the gear one is rotatably arranged at the top of the connecting support, a driving motor is fixedly arranged at the top of the connecting support, the output shaft end of the driving motor is fixedly connected with the gear one, a plurality of transmission grooves are arranged in the inside of the transmission support, transmission rods two are movably arranged in the plurality of transmission grooves, and a plurality of transmission assemblies are arranged at the two sides of the transmission rods two.

[0010] Preferably, a T-shaped sliding block one is fixedly arranged at the end, away from the driving motor, of the bottom of the transmission support, a T-shaped sliding groove one is arranged at the top of the connecting support, and the T-shaped sliding block one is matched with the T-shaped sliding groove one.

[0011] Preferably, the transmission assembly includes a side support and a second gear, the side support is fixedly connected with the connecting support, a sliding seat is slidingly installed at the top of the side support, a rack is slidingly installed on the side of the side support away from the connecting support, the second gear is fixedly installed at the top end of the corresponding rotating shaft, the rack and the second gear are in meshing connection, a slide rod one and a slide rod two are fixedly installed at the two sides of the sliding seat respectively, a movable sleeve is slidingly sleeved at the outside of the slide rod one, the rack and the movable sleeve are in rotary connection, and the slide rod two is slidingly sleeved in the inside of one end of the corresponding transmission rod two.

[0012] Preferably, a T-shaped sliding block two is fixedly installed at the bottom of the sliding seat and the rack, and a T-shaped sliding groove two is formed at the top of the side support and the side of the side support away from the connecting support, and the two T-shaped sliding grooves two are matched with the two T-shaped sliding blocks two respectively.

[0013] Compared with the prior art, the present application has the following advantages: 1、The present application sets up the pneumatic conveying powder method, which has small floor space, low cost and high production efficiency, and through the setting of the cleaning mechanism, the airflow sprayed by the plurality of jet pipes directly impacts the residual powder on the inner wall of the elbow pipe, blows the residual powder away from the pipe wall and re-enters the main conveying airflow, avoids the accumulation of powder at the elbow pipe, causes the blockage of the elbow pipe, and enables the powder to be normally conveyed.

[0014] 2、When the jet pipe is not suitable for conveying the powder, the plurality of jet pipes can be retracted into the corresponding sliding cavities by the driving mechanism, and the plurality of jet pipes are shielded and protected by the plurality of blocking plates, so that the opening of the plurality of jet pipes is prevented from being blocked by the powder in subsequent work. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the overall structure of the present application; Figure 2 It is a schematic view of the elbow pipe and the outer side structure of the present application; Figure 3 It is a schematic view of the local structure of the present application; Figure 4 It is a schematic view of the fixed support structure of the present application; Figure 5 It is a schematic view of the transmission support structure of the present application; Figure 6 It is a schematic view of the driving mechanism structure of the present application; Figure 7 It is a schematic view of the sliding seat structure of the present application; Figure 8 It is a schematic view of the side support structure of the present application; Figure 9It is the schematic diagram of the internal structure of the mounting cylinder of the application. Figure 10 It is the schematic diagram of the annular seat structure of the application.

[0016] In the drawings, the components represented by each reference numeral are listed as follows: 1, Roots blower; 2, raw material bin; 3, storage bin; 4, rotary feeder; 5, elbow pipe; 6, conveying pipe; 7, fixed seat; 8, mounting cylinder; 9, sliding cavity; 10, air injection pipe; 11, hose; 12, annular seat; 13, horizontal groove; 14, inclined groove; 15, guide rod; 16, rotating shaft; 17, blocking plate; 18, transmission rod I; 19, fixed support; 20, air compressor; 21, breather pipe; 22, branch pipe; 23, connecting support; 24, transmission support; 25, half-tooth ring; 26, gear I; 27, drive motor; 28, transmission groove; 29, transmission rod II; 30, T-shaped sliding groove I; 31, side support; 32, sliding seat; 33, rack; 34, gear II; 35, sliding rod I; 36, sliding rod II; 37, T-shaped sliding block II; 38, T-shaped sliding groove II; 39, T-shaped sliding block I; 40, movable sleeve. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0018] The application provides a technical solution: as shown in the drawings, a pipeline mixed gas force conveying device, comprising a Roots blower 1, a plurality of raw material bins 2, a storage bin 3 and a mixed pipe, both ends of the mixed pipe are connected with the Roots blower 1 and the storage bin 3 respectively, the bottom of each raw material bin 2 is provided with a rotary feeder 4, the discharge port at the bottom of each rotary feeder 4 is communicated with the mixed pipe, the mixed pipe comprises an elbow pipe 5 and two conveying pipes 6, both ends of the elbow pipe 5 are communicated with the respective corresponding conveying pipes 6, a plurality of fixed seats 7 are fixedly installed on the outer side of the elbow pipe 5, a fixed support 19 is arranged on the outer side of the elbow pipe 5, a cleaning mechanism is arranged in the elbow pipe 5, and a drive mechanism is arranged on one side of the fixed support 19. Figure 1 Figure 10 The cleaning mechanism comprises an air compressor 20 and a plurality of mounting cylinders 8, the air compressor 20 is fixedly connected with the fixed support 19, the plurality of mounting cylinders 8 are respectively threadedly connected in the respective corresponding fixed seats 7, a breather pipe 21 is communicated with the air outlet of the air compressor 20, a plurality of branch pipes 22 are communicated on both sides of the breather pipe 21, and the inside of each mounting cylinder 8 is provided with an air injection assembly and a blocking assembly.

[0019] The cleaning mechanism comprises an air compressor 20 and a plurality of mounting cylinders 8, the air compressor 20 is fixedly connected with the fixed support 19, the plurality of mounting cylinders 8 are respectively threadedly connected in the respective corresponding fixed seats 7, a breather pipe 21 is communicated with the air outlet of the air compressor 20, a plurality of branch pipes 22 are communicated on both sides of the breather pipe 21, and the inside of each mounting cylinder 8 is provided with an air injection assembly and a blocking assembly. ​

[0020] The jet assembly comprises a sliding cavity 9, which is arranged at one end of the bottom of the corresponding mounting cylinder 8, and the inside of the sliding cavity 9 is provided with a jet pipe 10, the top of the jet pipe 10 is communicated with a hose 11, the top of the hose 11 is communicated with the corresponding branch pipe 22, the top of the jet pipe 10 is fixedly provided with an annular seat 12, one end of the annular seat 12 is provided with a horizontal slot 13, one end of the horizontal slot 13 is communicated with an inclined slot 14, and the two ends of the top of the annular seat 12 are slidably sleeved with guide rods 15, and the top of the two guide rods 15 is fixedly connected with the inner wall of the mounting cylinder 8.

[0021] The plugging assembly comprises a rotating shaft 16, which is rotatably installed in the inside of the mounting cylinder 8, the top of the rotating shaft 16 penetrates through the mounting cylinder 8 and extends to the top of the mounting cylinder 8, the rotating shaft 16 is coaxially arranged with the mounting cylinder 8, the bottom of the rotating shaft 16 is fixedly installed with a plugging plate 17, the plugging plate 17 is matched with the sliding cavity 9, and the outside of the rotating shaft 16 is fixedly installed with a transmission rod one 18, which is matched with the horizontal slot 13 and the inclined slot 14.

[0022] The driving mechanism comprises a connecting support 23, one side of the connecting support 23 is fixedly connected with the fixed support 19, the top of the connecting support 23 is slidably installed with a transmission support 24, the top of the transmission support 24 is fixedly installed with a half-tooth ring 25, the top of the half-tooth ring 25 is engaged with a gear one 26, the gear one 26 is rotatably installed at the top of the connecting support 23, the top of the connecting support 23 is fixedly installed with a driving motor 27, the output shaft end of the driving motor 27 is fixedly connected with the gear one 26, the inside of the transmission support 24 is provided with a plurality of uniformly distributed transmission grooves 28, the inside of the plurality of transmission grooves 28 is movably installed with a transmission rod two 29, and the two sides of the plurality of transmission rod twos 29 are provided with transmission assemblies.

[0023] The bottom of the transmission support 24 is fixedly installed with a T-shaped sliding block one 39 away from the driving motor 27, and the top of the connecting support 23 is provided with a T-shaped sliding groove one 30, and the T-shaped sliding block one 39 is matched with the T-shaped sliding groove one 30.

[0024] The transmission assembly comprises a side support 31 and a gear two 34, the side support 31 is fixedly connected with the connecting support 23, the top of the side support 31 is slidably installed with a sliding seat 32, the side of the side support 31 away from the connecting support 23 is slidably installed with a rack 33, the top end of the corresponding rotating shaft 16 is fixedly installed with the gear two 34, the rack 33 is engaged with the gear two 34, the two sides of the sliding seat 32 are respectively fixedly installed with a sliding rod one 35 and a sliding rod two 36, the outside of the sliding rod one 35 is slidably sleeved with a movable sleeve 40, the rack 33 is rotatably connected with the movable sleeve 40, and the sliding rod two 36 is slidably sleeved in the inside of one end of the corresponding transmission rod two 29.

[0025] The bottom of the sliding seat 32 and the rack 33 is fixedly provided with a T-shaped sliding block 37, the top of the side support 31 is provided with a T-shaped sliding groove 38 away from the connecting support 23, and the two T-shaped sliding grooves 38 are matched with the two T-shaped sliding blocks 37 respectively.

[0026] Working principle: when in use, different powders are poured into the corresponding raw material bin 2, and quantitative feeding is realized by starting the corresponding rotary feeder 4, and the powders in the mixing pipe can be transported into the storage bin 3 by cooperating with the Roots blower 1; the mixing principle of the plurality of rotary feeders 4, the Roots blower 1 and the plurality of powders in the mixing pipe is prior art, which will not be repeated here; the powders are transported by pneumatic conveying, which not only has small floor area and low cost, but also has high production efficiency; Meanwhile, in the process of conveying the powders, the driving motor 27 is started to drive the plurality of gears 26 to rotate, under the meshing action of the half-tooth ring 25 and the gear 26, the half-tooth ring 25 drives the transmission bracket 24 to slide, the T-shaped sliding block 39 at the bottom of the transmission bracket 24 slides in the T-shaped sliding groove 1, the transmission bracket 24 slides at the same time, drives the plurality of transmission grooves 28 to move synchronously, the transmission rods 29 in the plurality of transmission grooves 28 move downward synchronously, the transmission assemblies on both sides of the plurality of transmission rods 29 move correspondingly, and the movement process of one of the transmission rods 29 and the transmission assembly on one side thereof is as follows: while the transmission rod 29 moves downward, one end thereof slides along the sliding rod 36, so that the sliding seat 32 drives the T-shaped sliding block 37 at the bottom thereof to slide in the corresponding T-shaped sliding groove 38, the sliding seat 32 moves at the same time, the rack 33 drives the movable sleeve 40 at the end thereof to slide correspondingly, the movable sleeve 40 slides downward outside the sliding rod 1, the rack 33 drives the T-shaped sliding block 37 at the bottom thereof to slide in the corresponding T-shaped sliding groove 38, and the gear 26 rotates under the meshing action of the rack 33 and the gear 26; the movement processes of the plurality of transmission assemblies are the same as above, and the plurality of gears 26 rotates; While the plurality of gears 26 rotates, the corresponding jet assembly and the plugging assembly move synchronously, and the movement process of the jet assembly and the plugging assembly corresponding to one of the gears 26 is as follows: while the gear 26 rotates, the rotating shaft 16 connected with the gear 26 rotates synchronously, the plugging plate 17 rotates, and the sliding cavity 9 is no longer blocked, in the initial stage of rotation of the rotating shaft 16, the transmission rod 1 slides along the horizontal groove 13, and then the transmission rod 1 enters the inclined groove 14 as the rotating shaft 16 rotates, at this time, the annular seat 12 is stressed to move downward along the two guide rods 15, and the jet pipe 10 moves downward, so that the opening of the jet pipe 10 extends into the elbow pipe 5; the movement processes of the plurality of jet assemblies and the plurality of plugging assemblies are the same as above; The openings of the plurality of air injection pipes 10 extend into the interior of the elbow pipe 5, and when the air compressor 20 is started, high-pressure gas first enters the interior of the air pipe 21, then enters the plurality of branch pipes 22 and the respective corresponding hoses 11 in sequence, and finally is sprayed into the interior of the elbow pipe 5 through the plurality of air injection pipes 10. The high-pressure airflow acts on the interior of the elbow pipe 5, and the airflow sprayed through the plurality of air injection pipes 10 directly impacts the residual powder on the inner wall of the elbow pipe 5, blows it away from the wall and re-enters the main conveying airflow, avoids the accumulation of powder at the elbow pipe 5, causes the elbow pipe 5 to be blocked, and enables the powder to be normally conveyed. If the conveyed powder is superfine light powder, the airflow sprayed through the plurality of air injection pipes 10 is easy to blow up the powder to form a secondary vortex, and instead forms new residues on the inside of the elbow pipe 5. At this time, the plurality of air injection pipes 10 are not needed to be used, and if the plurality of air injection pipes 10 are not needed to be used, the driving motor 27 is reversed to enable the plurality of air injection pipes 10 to be retracted into the respective corresponding sliding cavities 9, and the corresponding blocking plates 17 are used for protection to avoid the powder from blocking the openings of the plurality of air injection pipes 10 in subsequent work.

[0027] It should be noted that the relational terms herein such as first and second, and the like, are used solely to distinguish one from another entity or action, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pipeline mixed gas force conveying device, comprising a Roots blower (1), a plurality of raw material bins (2), a storage bin (3) and a mixed pipe, characterized in that: The both ends of the mixing pipe are connected with the Roots blower (1) and the storage bin (3) respectively, the bottom of each of the plurality of raw material bins (2) is provided with a rotary feeder (4), the discharge port of the bottom of each of the plurality of rotary feeders (4) is communicated with the mixing pipe, the mixing pipe comprises a bend pipe (5) and two conveying pipes (6), the both ends of the bend pipe (5) are communicated with the respective corresponding conveying pipes (6) respectively, a plurality of uniformly distributed fixing bases (7) are fixedly installed on the outer side of the bend pipe (5), a fixing support (19) is arranged on the outer side of the bend pipe (5), and the bend pipe (5) is provided with a cleaning mechanism, and one side of the fixing support (19) is provided with a driving mechanism.

2. A pipe mixed gas force conveying device according to claim 1, characterized in that: The cleaning mechanism comprises an air compressor (20) and a plurality of mounting barrels (8), the air compressor (20) is fixedly connected with the fixing support (19), the plurality of mounting barrels (8) are respectively threadedly connected in the respective corresponding fixing bases (7), the air outlet of the air compressor (20) is communicated with an air pipe (21), a plurality of branch pipes (22) are communicated on the both sides of the air pipe (21), and the inside of each of the plurality of mounting barrels (8) is provided with a gas injection assembly and a plugging assembly.

3. A pipe mixed gas force conveying device according to claim 2, characterized in that: The gas injection assembly comprises a sliding cavity (9), the sliding cavity (9) is arranged at one end of the bottom of the corresponding mounting barrel (8), the inside of the sliding cavity (9) is provided with a gas injection pipe (10), the top of the gas injection pipe (10) is communicated with a hose (11), the top of the hose (11) is communicated with the corresponding branch pipe (22), the top of the gas injection pipe (10) is fixedly provided with an annular seat (12), one end of the annular seat (12) is provided with a horizontal groove (13), one end of the horizontal groove (13) is communicated with an inclined groove (14), the both ends of the top of the annular seat (12) are slidably sleeved with guide rods (15), and the top of each of the two guide rods (15) is fixedly connected with the inner wall of the mounting barrel (8).

4. A pipeline blended gas pneumatic conveying apparatus according to claim 3, wherein: The plugging assembly comprises a rotating shaft (16), the rotating shaft (16) is rotatably installed in the inside of the mounting barrel (8), the top of the rotating shaft (16) penetrates through the mounting barrel (8) and extends to the top of the mounting barrel (8), the rotating shaft (16) is coaxially arranged with the mounting barrel (8), the bottom of the rotating shaft (16) is fixedly provided with a plugging plate (17), the plugging plate (17) is matched with the sliding cavity (9), and one side of the outer side of the rotating shaft (16) is fixedly provided with a transmission rod (18), and the transmission rod (18) is matched with the horizontal groove (13) and the inclined groove (14).

5. A pipe mixed gas force conveying device according to claim 4, characterized in that: The driving mechanism includes a connecting support (23), one side of the connecting support (23) is fixedly connected with a fixed support (19), a transmission support (24) is slidingly installed at the top of the connecting support (23), a half-tooth ring (25) is fixedly installed at the top of the transmission support (24), a gear one (26) is engaged at the top of the half-tooth ring (25), the gear one (26) is rotationally installed at the top of the connecting support (23), a driving motor (27) is fixedly installed at the top of the connecting support (23), the output shaft end of the driving motor (27) is fixedly connected with the gear one (26), a plurality of transmission grooves (28) are formed in the transmission support (24), a plurality of transmission rods two (29) are movably installed in the transmission grooves (28), and transmission assemblies are arranged on the two sides of the transmission rods two (29).

6. A pipe mixed gas force conveying device according to claim 5, characterized in that: The transmission support (24) is fixedly installed with a T-shaped sliding block one (39) at the end away from the driving motor (27), the top of the connecting support (23) is provided with a T-shaped sliding groove one (30), and the T-shaped sliding block one (39) and the T-shaped sliding groove one (30) are matched with each other.

7. A pipe mixed gas force conveying device according to claim 5, characterized in that: The transmission assembly includes a side support (31) and a gear two (34), the side support (31) is fixedly connected with the connecting support (23), a sliding seat (32) is slidingly installed at the top of the side support (31), a rack (33) is slidingly installed at the side of the side support (31) away from the connecting support (23), the gear two (34) is fixedly installed at the top end of the corresponding rotating shaft (16), the rack (33) and the gear two (34) are engaged with each other, the sliding seat (32) is fixedly installed with a sliding rod one (35) and a sliding rod two (36) on the two sides, respectively, a movable sleeve (40) is slidingly sleeved on the outside of the sliding rod one (35), the rack (33) and the movable sleeve (40) are rotationally connected, and the sliding rod two (36) is slidingly sleeved in the end of the corresponding transmission rod two (29).

8. A pipe mixed gas force conveying device according to claim 7, characterized in that: The sliding seat (32) and the rack (33) are fixedly installed with a T-shaped sliding block two (37) at the bottom, the top of the side support (31) and the side away from the connecting support (23) are provided with a T-shaped sliding groove two (38), and the two T-shaped sliding groove two (38) are matched with the two T-shaped sliding block two (37), respectively.

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