Pneumatic conveying device capable of preventing blockage

Abstract

The utility model discloses an anti-blocking pneumatic conveying device which comprises three Roots blowers, the output end of each Roots blower is fixedly communicated with a high-pressure pipe, the ends, far away from the Roots blowers, of the high-pressure pipes are jointly and fixedly communicated with an output pipeline, the upper surface of the output pipeline is fixedly communicated with a feeding connecting sleeve, and the feeding connecting sleeve is fixedly communicated with the output pipeline. And the upper surface of the feeding connecting sleeve fixedly communicates with a sealed feeding bin. Whether conveying is normal or not is judged by observing the discharging conditions of the on-off valve and the discharging extension pipe, and if blockage or abnormal conditions are found, the controller can automatically adjust the output power of the Roots blower and increase the airflow pressure and flow to burst through materials which are possibly blocked, so that the function of automatically preventing blockage is achieved, and the working efficiency is improved. And the long-time shutdown caused by blockage is avoided, the production interruption time is shortened, and a production line can continuously and stably operate, so that the overall production efficiency is improved, and the labor cost and the maintenance workload are reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of pneumatic conveying, in particular to a kind of pneumatic conveying device to prevent blockage. BACKGROUND

[0002] Pneumatic conveying, also known as airflow conveying, utilizes the energy of airflow to convey particulate materials in a closed pipeline along the airflow direction. It is a specific application of fluidization technology. Pneumatic conveying device has simple structure and is easy to operate. It can be used for horizontal, vertical or inclined conveying. As an important material conveying method, pneumatic conveying has been widely used due to its advantages such as high efficiency, environmental protection and long-distance conveying.

[0003] In actual pneumatic conveying process, due to the influence of factors such as material characteristics, unstable airflow and conveying pipeline design, material often accumulates and blocks in the conveying pipeline. Once blocked, it will seriously affect production efficiency, cause production line to stop, increase equipment maintenance cost and labor input. At the same time, the common method to solve the blockage problem often has limited effect and is difficult to fundamentally eliminate the blockage phenomenon. We propose a kind of pneumatic conveying device to prevent blockage to solve the above problems. CONTENT OF THE INVENTION

[0004] The purpose of the present application is to provide a kind of pneumatic conveying device to prevent blockage to solve the problems raised in the background.

[0005] The application embodiment adopts the following technical solutions:

[0006] A kind of pneumatic conveying device to prevent blockage, comprising three Roots blowers, the output end of each Roots blower is fixedly connected with high pressure pipe, the end of each high pressure pipe away from Roots blower is fixedly connected with output pipeline, the upper surface of output pipeline is fixedly connected with feed connection sleeve, the upper surface of feed connection sleeve is fixedly connected with sealed feed bin, the upper surface of sealed feed bin is fixedly connected with storage bin, the right side of sealed feed bin is fixedly connected with motor, the output end of motor penetrates sealed feed bin and extends to the inside of sealed feed bin, the output end of motor is fixedly connected with transmission rod, the outer surface of transmission rod is fixedly connected with a group of sealing feeding plate, the output end of output pipeline is fixedly connected with extension pipe, the end of extension pipe away from output pipeline is fixedly connected with adapter pipe, the end of adapter pipe away from extension pipe is fixedly connected with threaded pipe, the end of threaded pipe away from adapter pipe is fixedly connected with discharge pipe, the output end of discharge pipe is fixedly connected with three-way pipe, the output end of each three-way pipe is fixedly connected with discharge extension pipe, the upper surface of discharge pipe is fixedly connected with two on-off valves.

[0007] Preferably, the bottom surface of each Roots blower is fixedly connected with a mounting seat, the front surface and the back surface of each mounting seat are fixedly connected with a mounting block, and the upper surface of each mounting block is provided with a mounting hole.

[0008] Preferably, the upper surface of one of the Roots blowers is fixedly connected with an integrated panel, and the upper surface of one of the Roots blowers is fixedly connected with a controller.

[0009] Preferably, the outer surface of each high-pressure pipe is sleeved with a sealing ring, and the left side surface of each sealing ring is fixedly connected with the right side surface of the Roots blower.

[0010] Preferably, the upper portion of the storage bin is provided with an extension frame, and the bottom surface of the extension frame is fixedly connected with the upper surface of the storage bin.

[0011] Preferably, the outer surface of the motor is clamped with two U-shaped seats, and the left side surface of each U-shaped seat is fixedly connected with the right side surface of the sealing feed bin.

[0012] Preferably, the front surface of one of the Roots blowers is fixedly connected with a potential seat, the front surface of the potential seat is fixedly connected with a group of running state signal lamps, and the front surface of one of the Roots blowers is provided with a parameter mark.

[0013] The above-mentioned at least one technical scheme adopted by the embodiment of the application can achieve the following beneficial effects:

[0014] Firstly, the running parameters of the Roots blower, such as pressure and flow, are adjusted through the integrated panel and the controller, then the material is added into the storage bin, the material enters the sealing feed bin under the action of gravity, and then the motor is started to drive the transmission rod and the sealing feeding plate to rotate, which assists the material to enter the output pipeline from the sealing feed bin, prevents the blockage at the feeding position, greatly reduces the downtime and maintenance cost caused by blockage, improves the production efficiency, and simultaneously makes the material uniformly enter the output pipeline, avoids the uneven conveying and pipeline pressure fluctuation caused by the concentrated material entering, helps to improve the stability and reliability of conveying, and reduces the impact and damage to the equipment.

[0015] Secondly, by observing the discharging condition of the check valve and the discharging extension pipe, it is determined whether the conveying is normal, if blockage or abnormal condition is found, the controller automatically adjusts the output power of the Roots blower to increase the airflow pressure and flow to flush away the possible blocked material, thereby realizing the automatic anti-blocking function, avoiding the long downtime caused by blockage, shortening the production interruption time, making the production line continuously and stably run, thereby improving the overall production efficiency and reducing the labor cost and maintenance workload. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the air conveying device of the utility model for preventing blockage;

[0018] Figure 2 It is a three-dimensional structure schematic diagram of the air conveying device of the utility model for preventing blockage;

[0019] Figure 3 It is a three-dimensional structure schematic diagram of the air conveying device of the utility model for preventing blockage;

[0020] Figure 4 It is a side sectional view of the sealing feed bin in the air conveying device of the utility model for preventing blockage.

[0021] In the figure: 1, Roots blower;2, mounting seat;3, mounting block;4, mounting hole;5, potential seat;6, running state signal lamp;7, parameter mark;8, integrated panel;9, controller;10, sealing ring;11, high pressure pipe;12, output pipeline;13, storage bin;14, extension frame;15, sealing feed bin;16, feed connecting sleeve;17, extension pipe;18, motor;19, U-shaped seat;20, adapter pipe;21, threaded pipe;22, discharge pipe;23, sealing feeding plate;24, three-way pipe;25, on-off valve;26, discharge extension pipe;27, transmission rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described clearly and completely below in combination with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] The technical scheme provided by each embodiment of the present application will be described in detail below in combination with the drawings.

[0024] Please refer to Figures 1-4 The utility model provides a kind of air conveying device technical scheme for preventing blockage:

[0025] The utility model provides a kind of anti-clogging pneumatic conveying device, including three Roots blowers 1, the output end of each Roots blower 1 is fixedly connected with high pressure pipe 11, the end of each high pressure pipe 11 away from Roots blower 1 is fixedly connected with output pipeline 12 in common, the upper surface of output pipeline 12 is fixedly connected with feed connecting sleeve 16, the upper surface of feed connecting sleeve 16 is fixedly connected with sealed feed bin 15, the upper surface of sealed feed bin 15 is fixedly connected with storage bin 13, the right side of sealed feed bin 15 is fixedly connected with motor 18, the output end of motor 18 penetrates sealed feed bin 15 and extends to the inside of sealed feed bin 15, the output end of motor 18 is fixedly connected with transmission rod 27, the outer surface of transmission rod 27 is fixedly connected with a group of sealed feeding plate 23, the output end of output pipeline 12 is fixedly connected with extension pipe 17, the end of extension pipe 17 away from output pipeline 12 is fixedly connected with adapter pipe 20, the end of adapter pipe 20 away from extension pipe 17 is fixedly connected with threaded pipe 21, the end of threaded pipe 21 away from adapter pipe 20 is fixedly connected with discharge pipe 22, the output end of discharge pipe 22 is fixedly connected with tee pipe 24, the output end of each tee pipe 24 is fixedly connected with discharge extension pipe 26, the upper surface of discharge pipe 22 is fixedly connected with two on-off valves 25, using the discharging condition of on-off valve 25 and discharge extension pipe 26, judge whether conveying is normal, if it is found that blockage or abnormal condition, controller 9 will automatically adjust the output power of Roots blower 1, increase airflow pressure and flow, to clear the material that possibly blocks, to realize the function of automatic anti-clogging, avoid long time shutdown caused by blockage, shorten the time of production interruption, make production line can continue stable operation, to improve overall production efficiency, reduce manpower cost and maintenance workload.

[0026] In the embodiment, the bottom surface of each Roots blower 1 is fixedly connected with mounting seat 2, the front surface of each mounting seat 2 and the back surface of mounting seat 2 are fixedly connected with mounting block 3, the upper surface of each mounting block 3 is provided with mounting hole 4, the mounting block 3 is arranged to facilitate the installation of the device by workers, the upper surface of one of Roots blowers 1 is fixedly connected with integrated panel 8, the upper surface of one of Roots blowers 1 is fixedly connected with controller 9, the integrated panel 8 is arranged to facilitate the operation of the device by workers, the outer surface of each high pressure pipe 11 is sleeved with sealing ring 10, the left side surface of each sealing ring 10 is fixedly connected with the right side surface of Roots blower 1, the sealing ring 10 is arranged to improve the sealing performance of the device.

[0027] The upper part of the storage bin 13 is provided with an extension frame 14, the bottom surface of the extension frame 14 is fixedly connected with the upper surface of the storage bin 13, the extension frame 14 can prevent material leakage, the outer surface of the motor 18 is clamped with two U-shaped seats 19, the left side surface of each U-shaped seat 19 is fixedly connected with the right side surface of the sealed feeding bin 15, the U-shaped seat 19 can limit and fix the motor 18, the front surface of one of the Roots blowers 1 is fixedly connected with a potential seat 5, the front surface of the potential seat 5 is fixedly connected with a group of running state signal lamps 6, the front surface of one of the Roots blowers 1 is provided with a parameter mark 7, and the parameter mark 7 can improve the recognition of the device.

[0028] Working principle: when the anti-clogging pneumatic conveying device is used, the user first installs the device to the use place and connects with the power supply, then turns on the power supply of the Roots blower 1, the three Roots blowers 1 start to work, high-pressure gas flow is generated and conveyed to the output pipe 12 through the high-pressure pipe 11, and then the running parameters of the Roots blower 1 such as pressure and flow are adjusted through the integrated panel 8 and the controller 9, then the material is added to the storage bin 13, the material enters the sealed feeding bin 15 under the action of gravity, then the motor 18 is started to drive the transmission rod 27 and the sealing feeding plate 23 to rotate, the material is fed from the sealed feeding bin 15 to the output pipe 12, the high-pressure gas flow pushes the material to flow in the output pipe 12, and the material can be conveyed through the observation of the discharging condition of the on-off valve 25 and the discharging extension pipe 26, if the blockage or abnormal condition is found, the controller 9 can automatically adjust the output power of the Roots blower 1 to increase the gas flow pressure and flow to clear the possible blocked material, so as to realize the automatic anti-clogging function.

[0029] The above only describes the embodiments of the present application and is not used to limit the present application. The present application can have various changes and modifications for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the scope of claims of the present application.

Claims

1. A clogging-proof pneumatic conveying device comprising three Roots blowers (1), characterized in that: The output end of each Roots blower (1) is fixedly connected with a high-pressure pipe (11), and the end of each high-pressure pipe (11) away from the Roots blower (1) is fixedly connected with an output pipeline (12), the upper surface of the output pipeline (12) is fixedly connected with a feeding connecting sleeve (16), the upper surface of the feeding connecting sleeve (16) is fixedly connected with a sealed feeding bin (15), the upper surface of the sealed feeding bin (15) is fixedly connected with a storage bin (13), the right side of the sealed feeding bin (15) is fixedly connected with a motor (18), the output end of the motor (18) penetrates through the sealed feeding bin (15) and extends into the sealed feeding bin (15), the output end of the motor (18) is fixedly connected with a transmission rod (27), the outer surface of the transmission rod (27) is fixedly connected with a group of sealed feeding plates (23), the output end of the output pipeline (12) is fixedly connected with an extension pipe (17), the end of the extension pipe (17) away from the output pipeline (12) is fixedly connected with an adapter pipe (20), the end of the adapter pipe (20) away from the extension pipe (17) is fixedly connected with a threaded pipe (21), the end of the threaded pipe (21) away from the adapter pipe (20) is fixedly connected with a discharging pipe (22), the output end of the discharging pipe (22) is fixedly connected with a three-way pipe (24), and the output end of each three-way pipe (24) is fixedly connected with a discharging extension pipe (26), the upper surface of the discharging pipe (22) is fixedly connected with two on-off valves (25).

2. A device for preventing plugging of a pneumatic conveying system as claimed in claim 1, wherein: The bottom surface of each Roots blower (1) is fixedly connected with a mounting seat (2), and the front surface and the back surface of each mounting seat (2) are fixedly connected with a mounting block (3), and the upper surface of each mounting block (3) is provided with a mounting hole (4).

3. A device for preventing plugging of a pneumatic conveying system as defined in claim 1, wherein: The upper surface of one of the Roots blowers (1) is fixedly connected with an integrated panel (8), and the upper surface of one of the Roots blowers (1) is fixedly connected with a controller (9).

4. A device for preventing plugging of a pneumatic conveying system as defined in claim 1, wherein: The outer surface of each high-pressure pipe (11) is sleeved with a sealing ring (10), and the left side of each sealing ring (10) is fixedly connected with the right side of the Roots blower (1).

5. A device for preventing plugging of a pneumatic conveying system as defined in claim 1, wherein: The upper surface of the storage bin (13) is fixedly connected with an extension frame (14).

6. A device for preventing plugging of a pneumatic conveying system as defined in claim 1, wherein: The outer surface of the motor (18) is clamped with two U-shaped seats (19), and the left side of each U-shaped seat (19) is fixedly connected with the right side of the sealed feeding bin (15).

7. A device for preventing plugging of a pneumatic conveying system as defined in claim 1, wherein: The front surface of one of the Roots blowers (1) is fixedly connected with a potential seat (5), the front surface of the potential seat (5) is fixedly connected with a group of running state signal lamps (6), and the front surface of one of the Roots blowers (1) is provided with a parameter mark (7). The outer surface of the motor (18) is clamped with two U-shaped seats (19), and the left side of each U-shaped seat (19) is fixedly connected with the right side of the sealed feeding bin (15).

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