CN222348167U - A positive pressure conveying device without return air - Google Patents

Abstract

The utility model discloses a positive pressure conveying no-return-air device, which relates to the technical field of conveying equipment and comprises a bracket, wherein a powder pump, a material receiving pipe, a material discharging pipe and a guider are arranged on the bracket, the material receiving pipe is connected with a material inlet of the powder pump, the material discharging pipe is connected with a material outlet of the powder pump, the guider comprises a conveying pipe, the material discharging pipe is communicated with the conveying pipe, one end of the conveying pipe is an air inlet, the other end of the conveying pipe is a material outlet, and one end of the air inlet of the conveying pipe is externally connected with a fan.

Description

Positive pressure conveying no-return air device

Technical Field

The utility model relates to the technical field of conveying equipment, in particular to a positive pressure conveying no-return-air device.

Background

In the production and processing process, powder is often transported, and a common powder transporting device mainly adopts a Venturi ejector or a direct blowing rotary valve to transport powder.

The venturi ejector has small conveying amount and low conveying efficiency to powder, and the condition of returning air often occurs in the conveying process of the direct blowing rotary valve to influence the conveying of the powder.

In view of the above, there is a need for a powder conveying apparatus that has a large conveying amount and is free from return air.

Disclosure of Invention

The present utility model solves the problems of the prior art with the following technical structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the positive pressure conveying no-return gas device comprises a bracket, wherein a powder pump, a material receiving pipe, a material discharging pipe and a guide device are arranged on the bracket, the material receiving pipe is connected with a material inlet of the powder pump, and the material discharging pipe is connected with a material outlet of the powder pump;

The guide comprises a conveying pipe, the discharging pipe is communicated with the conveying pipe, one end of the conveying pipe is an air inlet, the other end of the conveying pipe is a discharging hole, and one end of the air inlet of the conveying pipe is externally connected with a fan.

Further characterized in that,

The guide device further comprises an L-shaped guide pipe, one end of the guide pipe is connected with the discharge end of the discharge pipe, the other end of the guide pipe extends into the conveying pipe, and the discharge port of the guide pipe faces the discharge port of the conveying pipe.

The suspension end of the guide pipe extending into the conveying pipe is coaxially arranged with the conveying pipe.

The conveying pipe is a three-way pipe, and flanges are arranged at the joint parts of the three-way pipe.

The conveying pipe is arranged below the powder pump, and the discharging pipe is arranged above the conveying pipe.

The guide pipe is in threaded connection with the discharging pipe, and/or the guide pipe is in bolt connection with the conveying pipe.

The feed inlet of receiving pipe is provided with the receiving funnel.

The powder pump is fixed on the frame through bolts.

The discharging pipe is a hose.

The discharging pipe is fixed at the discharging port of the powder pump through a throat hoop.

The structure of the utility model can achieve the following beneficial effects:

The powder pump is used for completing the conveying of powder, so that the powder conveying device can adapt to the conveying of large-flow powder, and the condition that no return air occurs, so that the problem that the venturi ejector is used for conveying the powder is small in conveying capacity, low in conveying efficiency and strong in adaptability, and the condition that the return air occurs frequently in the conveying process of the direct-blowing rotary valve is avoided.

Drawings

Fig. 1 is a schematic structural view of the present embodiment;

fig. 2 is a schematic structural diagram of a conveying pipe and a guiding pipe in the present embodiment.

In the figure, 100 parts of powder pump, 200 parts of material receiving pipe, 300 parts of material discharging pipe, 400 parts of conveying pipe, 500 parts of guide pipe, 600 parts of material receiving hopper.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present utility model and in the foregoing figures, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or device.

The present application will be described in further detail with reference to fig. 1-2.

The positive pressure conveying no-return air device shown by referring to fig. 1 and 2 comprises a bracket, wherein a powder pump (powder conveying pump) 100, a material receiving pipe 200, a material discharging pipe 300 and a guide are arranged on the bracket, the material receiving pipe 200 is connected with a feed inlet of the powder pump 100, the material receiving pipe 200 is connected with a material inlet at the front end of a system to convey powder to the powder pump 100, the powder pump 100 works (the powder pump 100 adopts a positive pressure powder conveying mode to convey powder materials), the powder from the material receiving pipe 200 is conveyed to the material discharging pipe 300 connected with a material outlet of the powder pump 100, and finally the powder from the material discharging pipe 300 is guided through the guide, so that the powder conveying of large flow can be realized through the powder pump 100, the condition that no return air occurs is solved, the condition that the powder conveying amount is small by using a Venturi ejector, the conveying efficiency is low, and the condition that the return air is frequently generated in the conveying process of a direct blowing rotary valve is avoided.

Referring to fig. 1 and 2, in order to guide the powder output by the discharging pipe 300, the guide includes a conveying pipe 400, the discharging pipe 300 is communicated with the conveying pipe 400, one end of the conveying pipe 400 is an air inlet, the other end is a discharging hole, one end of the air inlet of the conveying pipe 400 is externally connected with a fan (a Roots fan or the like can be adopted), so when the powder is conveyed to the conveying pipe 400 by the discharging pipe 300, the powder is blown to one side of the discharging hole of the conveying pipe 400 by air flow from one end of the conveying pipe 400, the guiding conveying of the powder from the discharging pipe 300 is completed, a three-way pipe with the air inlet coaxial with the discharging hole can be selected as the conveying pipe 400, flanges are arranged at three interfaces of the conveying pipe 400, so that the external fan is convenient to connect with a rear-end powder conveying pipe and the like, the powder is convenient to flow in the discharging pipe 300, the conveying pipe 400 is arranged below the powder pump 100, the discharging pipe 300 is positioned above the conveying pipe 400, the powder can move downwards by means of gravity, and can be preferably used as a hose 300, the discharging pipe 300 is fixed to the discharging hole side of the powder pump 100 through a throat hoop, the discharging pipe 300 is used for guiding and conveying the powder from the discharging pipe 300, the discharging pipe 300 is reduced, and the sealing performance between the discharging pipe 300 and the discharging pipe 100 is further improved.

Referring to fig. 2, in order to prevent powder entering the delivery pipe 300 from being blown back to the delivery pipe 300, the discharge end of the delivery pipe 300 is connected with an L-shaped flow guide pipe 500, the suspension end of the flow guide pipe 500 extends into the delivery pipe 400, and the discharge port of the flow guide pipe 500 faces the discharge port of the delivery pipe 400, so that powder from the delivery pipe 300 is output to one side of the discharge port of the delivery pipe 400, and the discharge port of the flow guide pipe 500 is opposite to the air inlet, so that powder entering the delivery pipe 400 continues to move along the initial direction when entering until leaving the delivery pipe 400, thereby ensuring that the powder cannot be blown back to the delivery pipe 200, and reducing energy consumption.

Further preferably, the suspension end of the flow guide pipe 500 extending into the conveying pipe 400 is coaxially arranged with the conveying pipe 400, so that powder entering the conveying pipe 400 can move towards the position of the discharge hole continuously, smooth conveying is realized, and blockage is avoided.

Further preferably, in order to facilitate the installation and the removal, the guide pipe 500 is in threaded connection with the discharge pipe 300, and the guide pipe 500 is in bolt connection with the conveying pipe 400, so that the guide pipe 500, the discharge pipe 300, the guide pipe 500 and the conveying pipe 400 are convenient for workers to assemble, and the later maintenance is also convenient.

It is further preferable that, referring to fig. 1, in order to facilitate the powder to enter the receiving pipe 200, a receiving hopper 600 is provided at the feed inlet of the receiving pipe 200, so that the powder is guided.

It is further optimized that, in order to facilitate the installation and the removal of the powder pump 100, the powder pump 100 is fixed on the frame by bolts, so that the powder pump 100 is conveniently installed on the frame, and when the powder pump 100 is damaged, the powder pump 100 can be conveniently removed from the frame, so that the maintenance is convenient.

In conclusion, the powder is conveyed through the powder pump 100, so that the powder conveying device can adapt to large-flow powder conveying, and no gas return occurs, so that the problems that the conveying amount of the powder is small, the conveying efficiency is low and the gas return is frequently generated in the direct blowing rotary valve conveying process are solved.

The above is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above examples. It is to be understood that other modifications and variations which may be directly derived or contemplated by those skilled in the art without departing from the spirit and concepts of the present utility model are deemed to be included within the scope of the present utility model.

Claims (10)

1. The positive pressure conveying no-return air device is characterized by comprising a bracket, wherein a powder pump (100), a material receiving pipe (200), a material discharging pipe (300) and a guider are arranged on the bracket, the material receiving pipe (200) is connected with a material inlet of the powder pump (100), and the material discharging pipe (300) is connected with a material outlet of the powder pump (100);

The guide comprises a conveying pipe (400), the discharging pipe (300) is communicated with the conveying pipe (400), one end of the conveying pipe (400) is an air inlet, the other end of the conveying pipe is a discharging hole, and one end of the air inlet of the conveying pipe (400) is externally connected with a fan.

2. The positive pressure delivery no-return air device of claim 1, wherein the guide device further comprises an L-shaped guide pipe (500), one end of the guide pipe (500) is connected with the discharge end of the discharge pipe (300), the other end of the guide pipe extends into the delivery pipe (400), and the discharge port of the guide pipe (500) faces the discharge port of the delivery pipe (400).

3. A positive pressure delivery no-return air device according to claim 2, wherein the suspension end of the delivery tube (500) extending into the delivery tube (400) is coaxially arranged with the delivery tube (400).

4. The positive pressure conveying non-return air device according to claim 1, wherein the conveying pipe (400) is a three-way pipe, and flanges are arranged at the interfaces of the three-way pipe.

5. The positive pressure delivery no-return air device according to claim 1, wherein the delivery pipe (400) is arranged below the powder pump (100), and the discharge pipe (300) is arranged above the delivery pipe (400).

6. A positive pressure delivery no-return air device according to claim 3, wherein said delivery tube (500) is threadably connected to said discharge tube (300) and/or said delivery tube (500) is bolted to said delivery tube (400).

7. The positive pressure conveying no-return-gas device according to claim 1, wherein a material receiving funnel (600) is arranged at a material inlet of the material receiving pipe (200).

8. The positive pressure delivery no-return air device of claim 1 wherein said powder pump (100) is bolted to the frame.

9. The positive pressure delivery airless device of claim 1, wherein the discharge tube (300) is a hose.

10. The positive pressure delivery no-return air device of claim 9, wherein the discharge pipe (300) is fixed at a discharge port of the powder pump (100) through a hose clamp.