CN207618636U - Pneumatic conveying pipeline and corresponding equipment - Google Patents

Abstract

The utility model relates to a pneumatic conveying pipeline. The pneumatic conveying pipeline is arranged on equipment including materials to be conveyed, and an air guiding pipe is arranged in the pneumatic conveying pipeline. The air guiding pipe has an inner diameter gradually decreasing along the direction of airflow conveying. Allows the air flow to convey the material through the duct. The utility model also provides a device including materials to be transported. Adopting the pneumatic conveying pipeline and corresponding equipment of the utility model, the air rectification is realized by setting the air guide pipe in the pneumatic conveying pipeline, the air guide pipe guides the positive pressure side airflow in a direction, and the equipment of the pneumatic conveying pipeline is arranged at the discharge port In the middle, the air guide pipe guides the air flow and mixes the air flow with the naturally falling materials, and is smoothly transported to other equipment. With the cleaning holes on the air guide pipe, it can prevent material accumulation and jamming in the gaps. Therefore, the pneumatic conveying pipeline and the corresponding equipment provided by the utility model can effectively guide the air flow, uniformly mix the material and the air flow, transport smoothly, and prevent material accumulation and material jamming.

Description

Pneumatic conveying pipeline and corresponding equipment

technical field

The utility model relates to the field of pneumatic conveying, in particular to a pneumatic conveying pipeline and corresponding equipment.

Background technique

At present, the technology of using airflow to transport materials through pipelines has been widely used in the prior art, and the materials to be transported include powdery and/or granular and/or sheet-like materials. Pneumatic conveying pipelines generally adopt a circular pipe structure. When equipment equipped with pneumatic conveying pipelines is used for pneumatically conveying materials, the materials are easy to deposit, and the airflow from the pneumatic conveying pipelines tends to flow turbulently at the discharge port of the equipment, causing the original to fall. The material is resisted by the positive pressure of the air flow, causing the mixing ratio of the material and the air flow to be poor, resulting in the problem of unsmooth conveying and low conveying volume. Therefore, there is a need for a conveying pipeline and corresponding equipment that can overcome the turbulent flow of the conveying airflow, the poor mixing ratio of the material and the airflow, the unsmooth conveying, and the small conveying volume.

Utility model content

The purpose of this utility model is to overcome the shortcomings of the above-mentioned prior art, and provide a pneumatic conveying pipeline and corresponding equipment that can effectively guide the airflow, uniformly mix the material and the airflow, transport smoothly, and prevent material accumulation and material jamming.

In order to achieve the above object, the utility model pneumatic conveying pipeline and corresponding equipment have the following structure:

The pneumatic conveying pipeline is arranged on the equipment including the material to be conveyed, and the air guiding pipe is arranged inside the pneumatic conveying pipeline, and the described air guiding pipe has an inner diameter gradually decreasing along the direction of airflow conveying, so that the airflow passes through the guiding pipe. The air duct conveys the material.

Preferably, the air guide pipe is arranged in the pneumatic conveying pipeline at a position close to the discharge port of the equipment, so that the air flow conveys the material from the discharge port of the equipment through the air guide pipe.

Preferably, the air outlet end of the air guide pipe is arranged close to the longitudinal axis of the discharge port of the device.

Preferably, the material is powder or granular.

Preferably, the air guide pipe is a truncated conical air guide pipe.

Preferably, the wall of the air guide pipe is provided with several cleaning holes.

The utility model also provides a device including the material to be transported, and the discharge port of the device including the material to be transported is provided with the pneumatic conveying pipeline.

Preferably, the equipment is a dryer and a storage box.

Preferably, the device is a dehumidification dryer, a hot air dryer, a nitrogen dryer or a vacuum dryer.

The pneumatic conveying pipeline and corresponding equipment of the utility model are adopted, and the air rectification is realized by setting the air guide pipe in the pneumatic conveying pipeline, the air guide pipe guides the positive pressure side airflow in a direction, and the equipment of the pneumatic conveying pipeline is arranged at the discharge port In the middle, the air guide pipe guides the air flow and mixes the air flow with the naturally falling materials, and is smoothly transported to other equipment. With the cleaning holes on the air guide pipe, it can prevent material accumulation and jamming in the gaps. Therefore, the pneumatic conveying pipeline and the corresponding equipment provided by the utility model can effectively guide the air flow, uniformly mix the material and the air flow, transport smoothly, and prevent material accumulation and material jamming.

Description of drawings

Fig. 1 is a structural schematic diagram of a pneumatic conveying pipeline of the present invention.

Explanation of reference signs:

1 duct

2 cleaning holes

3 Pneumatic conveying pipeline

4 Longitudinal axis of equipment outlet

Detailed ways

In order to describe the technical content of the present utility model more clearly, further description will be given below in conjunction with specific embodiments.

As shown in FIG. 1 , an embodiment of the pneumatic conveying pipeline of the present invention is provided. The pneumatic conveying pipeline 3 is arranged on the equipment including the material to be conveyed, and the air guiding pipe 1 is arranged inside the pneumatic conveying pipeline 3, and the described air guiding pipe 1 has an inner diameter gradually decreasing along the direction of airflow conveying, Allows the air flow to convey the material through the duct.

In a preferred embodiment, the air duct 1 is arranged in the pneumatic conveying pipeline 3 at a position close to the outlet of the equipment, so that the air flows through the air duct to transport the outlet from the equipment. The material of the feed port. As shown in FIG. 1 , the axial direction of the air duct 1 is perpendicular to the longitudinal axis 4 of the discharge port of the device.

In a preferred embodiment, the air outlet end of the air guide pipe is arranged close to the longitudinal axis of the discharge port of the equipment, so as to guide the air flow more effectively and mix the air flow with the material more effectively. .

In a preferred embodiment, the material is powder or granule, for example, powder and/or granular and/or flake-like material.

In a preferred embodiment, the air guide pipe is a frusto-conical air guide pipe.

In a preferred embodiment, the wall of the air duct is provided with several cleaning holes. According to actual needs, one, two, three or other numbers of cleaning holes can be selected, and the positions of the cleaning holes can also be selectively set according to the actual situation, so as to prevent material accumulation and jamming in the connection gap.

The utility model also provides a device including the material to be transported, and the discharge port of the device including the material to be transported is provided with the pneumatic conveying pipeline.

In a preferred embodiment, the equipment is a dryer and a storage box.

In a preferred embodiment, the device is a dehumidification dryer, a hot air dryer, a nitrogen dryer or a vacuum dryer. You can also choose other equipment that needs pneumatic conveying materials according to your needs.

For the dryer equipment, its delivery includes: the first delivery of materials from the material box to the dryer's own barrel; the second delivery of the dried material in the dryer barrel to the side hopper of the molding machine. When it comes to primary transportation and secondary transportation, the pneumatic conveying pipeline provided by the utility model can be installed to prevent the turbulent flow of the air path, and prevent the material falling naturally from the discharge port from being held up by the positive pressure of the air flow, resulting in the mixing ratio of the material and air. Defective, there is a phenomenon that the transportation is not smooth and the transportation volume is small.

The pneumatic conveying pipeline and corresponding equipment of the utility model are adopted, and the air rectification is realized by setting the air guide pipe in the pneumatic conveying pipeline, the air guide pipe guides the positive pressure side airflow in a direction, and the equipment of the pneumatic conveying pipeline is arranged at the discharge port In the middle, the air guide pipe guides the air flow and mixes the air flow with the naturally falling materials, and is smoothly transported to other equipment. With the cleaning holes on the air guide pipe, it can prevent material accumulation and jamming in the gaps. Therefore, the pneumatic conveying pipeline and the corresponding equipment provided by the utility model can effectively guide the air flow, uniformly mix the material and the air flow, transport smoothly, and prevent material accumulation and material jamming.

In this specification, the invention has been described with reference to specific embodiments thereof. However, it is obvious that various modifications and changes can be made without departing from the spirit and scope of the present invention. Accordingly, the specification and drawings are to be regarded as illustrative rather than restrictive.

Claims (9)

1. a kind of Pneumatic conveying pipeline, which is characterized in that the Pneumatic conveying pipeline is set to setting including material to be conveyed Guide duct is provided in standby and described Pneumatic conveying pipeline, the guide duct has to be tapered into along air-flow conveying direction Internal diameter so that air-flow conveys material by guide duct.

2. Pneumatic conveying pipeline according to claim 1, which is characterized in that the guide duct is set to the strength Close to the position of the equipment discharge port in conveyance conduit so that air-flow conveys the object from equipment discharge port by guide duct Material.

3. Pneumatic conveying pipeline according to claim 1, which is characterized in that the outlet air end of the guide duct is close to institute The longitudinal axis for the equipment discharge port stated is arranged.

4. Pneumatic conveying pipeline according to claim 1, which is characterized in that the material is bulk material.

5. Pneumatic conveying pipeline according to claim 1, which is characterized in that the guide duct is with conical butt The guide duct of shape.

6. Pneumatic conveying pipeline according to claim 1 or 5, which is characterized in that the tube wall of the guide duct is provided with Several clean-out hatch.

7. a kind of equipment including material to be conveyed, which is characterized in that the discharge port of the equipment including material to be conveyed It is provided with Pneumatic conveying pipeline according to any one of claims 1 to 6.

8. the equipment according to claim 7 for including material to be conveyed, which is characterized in that the equipment be drying machine, Material storing box.

9. the equipment according to claim 7 or 8 for including material to be conveyed, which is characterized in that the equipment is dehumidification Drying machine, air drier, nitrogen drying machine or vacuum drier.