CN218318963U - Bridge breaking device for blanking pipe - Google Patents

Abstract

The utility model relates to a broken bridge device for unloading pipe, including compressed air pipe and diffusion tube, compressed air pipe certainly the lateral wall of unloading pipe stretches into the inside of unloading pipe, just compressed air pipe's air flow direction with the unloading direction of unloading pipe is the same, the diffusion tube cover is located compressed air pipe's periphery, just the air flow direction of diffusion tube with the unloading opposite direction of unloading pipe, the utility model discloses can effectively break the bridging structure of powder material, guarantee that production goes on smoothly, be particularly useful for bearing the feed bin of high humidity fine grit material, can effectively solve powder material jam problem.

Description

Bridge breaking device for blanking pipe

Technical Field

The utility model belongs to the technical field of powder material unloading equipment, specifically speaking relates to a broken bridge device for unloading pipe.

Background

The mixing hopper, the feed bin, the conveying pipeline and the like of the powder materials are not provided with a stirring device, and once the materials are supported (bridged) in the container, the materials cannot be discharged. At present, after powder materials are held, vibration measures are generally adopted, for example, steel pipes, rubber hammers and the like are adopted to knock the outer wall of a container, the effect is not ideal, the labor intensity is high, and meanwhile, the outer wall of the container is easily damaged.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, a bridge breaking device for a blanking pipe is proposed.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a broken bridge device for unloading pipe, includes compressed air pipe and diffuser pipe, compressed air pipe certainly the lateral wall of unloading pipe stretches into the inside of unloading pipe, just compressed air pipe's air current direction with the unloading direction of unloading pipe is the same, the diffuser pipe box is located compressed air pipe's periphery, just the air current direction of diffuser pipe with the unloading direction of unloading pipe is opposite.

Through adopting foretell technical scheme, compressed air circulates to the diffusion tube through compressed air pipe, circulates to the inside of unloading pipe by the diffusion tube again, can effectively break the bridging structure of powder material, guarantees that production goes on smoothly, is particularly useful for bearing the feed bin of high humidity fine grit material, can effectively solve powder material blocking problem.

Furthermore, one end of the compressed air pipe is communicated with an air source through an air pipeline, and the other end of the compressed air pipe is of a closed structure.

Furthermore, the pipe wall of the compressed air pipe is provided with a long hole along the length direction, and the long hole is positioned at the bottom of the compressed air pipe, so that the air flow direction of the compressed air pipe is the same as the blanking direction of the blanking pipe.

Further, the area of the elongated hole is the same as the cross-sectional area of the compressed air pipe.

Through adopting foretell technical scheme, the compressed air that gets into in the compressed air pipe circulates to the cross section of unloading pipe via rectangular hole evenly distributed, makes the whole synchronous boiling of the intraductal powder material of unloading, prevents powder material layering, and simultaneously, the air current direction of compressed air pipe is the same with the unloading direction of unloading pipe, can prevent that a large amount of powder materials from getting into compressed air pipe, can blow off a small amount of powder materials in the compressed air pipe again.

Further, the longitudinal section of diffuser pipe is semicircular, just the diffuser pipe is just right the rectangular hole sets up, the diffuser pipe with there is the space in order to form the passageway that supplies compressed air circulation between the compressed air pipe.

Further, the length of the diffusion pipe is not less than the length of the elongated hole.

Through adopting foretell technical scheme, increase the diffusion tube in the below in rectangular hole, can guarantee that the powder material is evenly boiled in the unloading pipe, can prevent again that the intraductal compressed air of unloading from getting into the screw conveyer that is located unloading pipe below, avoid screw conveyer's export dust too big.

Further, an exhaust pipe is arranged at the top of the discharging pipe and above the highest position of the powder material in the discharging pipe.

Furthermore, an exhaust filter bag is arranged at the end part of the exhaust pipe.

By adopting the technical scheme, the compressed air entering the discharging pipe is discharged through the exhaust pipe and the exhaust filter bag, so that the compressed air is prevented from entering the screw conveyer positioned below the discharging pipe.

Furthermore, a pressure reducing valve is arranged on the gas pipeline, and the problem that compressed air enters the screw conveyor due to the fact that the exhaust pipe is not smooth when the amount of the compressed air entering is too much is solved by adjusting the outlet pressure of the pressure reducing valve.

Furthermore, a pulse electromagnetic valve and a ball valve are arranged on the gas pipeline.

The beneficial effects of the utility model are that:

1. compressed air circulates to the diffuser pipe through compressed air pipe, circulates to the inside of unloading pipe by the diffuser pipe again, can effectively break the bridging structure of powder material, guarantees that production goes on smoothly, is particularly useful for bearing the feed bin of high humidity fine grit material, can effectively solve powder material jam problem.

2. Compressed air pipe, rectangular hole and diffusion tube cooperation can guarantee the intraductal powder material of unloading and all boil in step, prevent powder material layering, can prevent again that the intraductal compressed air of unloading from getting into the screw conveyer who is located unloading pipe below, avoid screw conveyer's export dust too big.

3. The compressed air entering the discharging pipe is discharged through the exhaust pipe and the exhaust filter bag, so that the compressed air is prevented from entering the spiral conveyor below the discharging pipe.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the assembly of the compressed air tube and diffuser tube;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

fig. 4 is a schematic view of the assembly of the blanking pipe with the screw conveyor.

In the drawings: 1-a blanking pipe, 2-a compressed air pipe, 3-a diffusion pipe, 4-an exhaust pipe, 5-an exhaust filter bag, 6-a sensor, 7-a ball valve, 8-a pressure reducing valve, 9-a pulse electromagnetic valve, 10-a long hole and 11-a spiral conveyer.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

The present invention will be further described with reference to the accompanying drawings and preferred embodiments.

The first embodiment is as follows:

as shown in fig. 1-4, a bridge breaking device for a blanking pipe comprises a compressed air pipe 2 and a diffusion pipe 3, wherein the compressed air pipe 2 extends into the blanking pipe 1 from the side wall of the blanking pipe 1, the airflow direction of the compressed air pipe 2 is the same as the blanking direction of the blanking pipe 1, the diffusion pipe 3 is sleeved on the periphery of the compressed air pipe 2, and the airflow direction of the diffusion pipe 3 is opposite to the blanking direction of the blanking pipe 1.

Through adopting foretell technical scheme, compressed air circulates to diffuser pipe 3 through compressed air pipe 2, circulates to the inside of unloading pipe 1 by diffuser pipe 3 again, can effectively break the bridging structure of powder material, guarantees that production goes on smoothly, is particularly useful for bearing the feed bin of high humidity fine grit material, can effectively solve powder material jam problem.

Further preferably, one end of the compressed air pipe 2 is communicated with an air source through an air pipeline, and the other end of the compressed air pipe is of a closed structure.

Preferably, the wall of the compressed air pipe 2 is provided with a strip hole 10 along the length direction thereof, and the strip hole 10 is located at the bottom of the compressed air pipe 2, so that the airflow direction of the compressed air pipe 2 is the same as the blanking direction of the blanking pipe 1.

Further preferably, the area of the elongated hole 10 is the same as the cross-sectional area of the compressed air pipe 2.

By adopting the above technical scheme, the compressed air entering the compressed air pipe 2 circulates to the cross section of the discharging pipe 1 through the uniform distribution of the strip holes 10, so that the powder materials in the discharging pipe 1 are all boiled synchronously, the powder materials are prevented from being layered, meanwhile, the airflow direction of the compressed air pipe 2 is the same as the discharging direction of the discharging pipe 1, a large amount of powder materials can be prevented from entering the compressed air pipe 2, and a small amount of powder materials in the compressed air pipe 2 can be blown out, and in fig. 2 and 3, the arrows indicate the airflow direction.

Further preferably, the longitudinal section of the diffusion pipe 3 is semicircular, the diffusion pipe 3 is arranged opposite to the strip hole 10, and a space is formed between the diffusion pipe 3 and the compressed air pipe 2 to form a channel for compressed air to circulate.

Further preferably, the length of the diffuser pipe 3 is not less than the length of the elongated hole 10.

By adopting the technical scheme, the diffusion pipe 3 is additionally arranged below the elongated hole 10, so that the powder material can be ensured to be uniformly boiled in the blanking pipe 1, compressed air in the blanking pipe 1 can be prevented from entering the screw conveyer 11 positioned below the blanking pipe 1, and overlarge dust at the outlet of the screw conveyer 11 is avoided.

Further preferably, an exhaust pipe 4 is arranged at the top of the discharging pipe 1 and above the highest position of the powder material in the discharging pipe 1, and a sensor 6 for monitoring the material level of the powder material in real time is arranged on the side wall of the discharging pipe 1.

Further preferably, the end of the exhaust pipe 4 is provided with an exhaust filter bag 5.

By adopting the technical scheme, the compressed air entering the blanking pipe 1 is discharged through the exhaust pipe 4 and the exhaust filter bag 5, so that the compressed air is prevented from entering the spiral conveyor 11 positioned below the blanking pipe 1.

Further preferably, a pressure reducing valve 8 is arranged on the gas pipeline, and the problem that compressed air enters the screw conveyor 11 due to the fact that the exhaust pipe 4 is not smooth to exhaust due to too much compressed air entering amount is solved by adjusting the outlet pressure of the pressure reducing valve 8.

Further preferably, a pulse solenoid valve 9 and a ball valve 7 are arranged on the gas pipeline. The opening of the pulse electromagnetic valve 9, the ball valve 7 and the pressure reducing valve 8 is controlled by a PLC system, different control modes are designed according to different properties of powder materials, for example, the PLC control equipment stops for 10 minutes or starts to advance to blow the gas to break the bridge, or the gas inlet frequency is set according to time.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims (8)

1. The utility model provides a broken bridge device for unloading pipe, its characterized in that includes compressed air pipe and diffusion tube, compressed air pipe certainly the lateral wall of unloading pipe stretches into the inside of unloading pipe, just compressed air pipe's air current direction with the unloading direction of unloading pipe is the same, the diffusion tube box is located compressed air pipe's periphery, just the air current direction of diffusion tube with the unloading opposite direction of unloading pipe.

2. The bridge breaking device for the blanking pipe as claimed in claim 1, wherein one end of the compressed air pipe is communicated with an air source through a gas pipeline, and the other end of the compressed air pipe is of a closed structure.

3. The bridge breaking device for the blanking tube of claim 2, wherein a long hole is formed in the tube wall of the compressed air tube along the length direction of the tube wall, and the long hole is located at the bottom of the compressed air tube.

4. The bridge breaking device for the blanking pipe as claimed in claim 3, wherein the area of the elongated hole is the same as the cross-sectional area of the compressed air pipe.

5. The bridge breaking device for the blanking pipe as claimed in claim 3, wherein the longitudinal section of the diffuser pipe is semicircular, the diffuser pipe is arranged opposite to the elongated hole, and a space is formed between the diffuser pipe and the compressed air pipe to form a channel for compressed air to flow through.

6. The bridge breaking device for the blanking pipe as claimed in any one of claims 2 to 5, wherein an exhaust pipe is arranged at the top of the blanking pipe and above the highest position of the powder material in the blanking pipe.

7. The bridge breaking device for the blanking pipe as claimed in claim 6, wherein an end of the exhaust pipe is provided with an exhaust filter bag.

8. The bridge breaking device for the blanking pipe as claimed in claim 7, wherein a pressure reducing valve is arranged on the gas pipeline.

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