CN213700220U - Pneumatic crushing and conveying device - Google Patents

Abstract

The utility model relates to a broken conveyor of strength, include: a crushing tank, a discharge valve and a circulating pipe. The crushing tank includes: a reclaiming barrel, a gas hood, a crushing barrel, and a crushing pipe. The bottom of the feed back barrel is provided with a feed opening. The top of the gas hood is provided with a discharge hole. A gap is formed between the inner wall of the gas hood and the outer wall of the crushing barrel. The top in clearance communicates the discharge gate, and the bottom in clearance communicates the feed back bucket. The crushing pipe is arranged in an annular structure. The crushing pipe is provided with a feeding port and a nozzle communicated with the feeding port. The nozzles extend into the gap and are arranged towards the outer wall of the crushing bucket. The inlet end of the blanking valve is connected with a blanking port. One end of the circulating pipe is provided with a feed inlet and a feed back port. The feed back port is connected with the outlet end of the blanking valve. The other end of the circulating pipe is connected with the feeding port. Above-mentioned broken conveyor of strength, simple structure, equipment cost is low, and the process is simple, and work efficiency is high, accomplishes broken operation when carrying the material, reduces the material and wets and the risk of pollution.

Description

Pneumatic crushing and conveying device

Technical Field

The utility model relates to a solid material carries and broken technical field, especially relates to a broken conveyor of strength.

Background

In some product manufacturing processes, it is necessary to break up and transport the solid material to the point of use, for example in food manufacturing processes where granulated sugar is broken up and transported to a mixer.

The method adopted at present is that mechanical crushing equipment is used for crushing materials into powder, and then the powder is manually conveyed to a use point. The method needs more equipment, has complex structure, higher equipment cost, complex process and low working efficiency, and has the risks of moisture and material pollution in the carrying process.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a broken conveyor of strength, utilize positive pressure airflow to take the animal material to get into annular broken pipe and carry out the first breakage, then recycle nozzle blowout material striking crushing bucket and realize the secondary breakage, recycle the air current and sort the material after the breakage, broken qualified material is along with the air current is discharged, and broken unqualified material then flows back the breakage once more, the simple structure of this design, low equipment cost, the process is simple, high working efficiency, accomplish broken operation when carrying the material, reduce the risk that the material wets and pollutes.

A pneumatic crushing conveyor comprising:

a crushing tank; the crushing tank includes: the crushing device comprises a material returning barrel, an air hood positioned at the top of the material returning barrel, a crushing barrel positioned in the air hood and a crushing pipe arranged around the crushing barrel; the bottom of the feed back barrel is provided with a feed opening; the top of the gas hood is provided with a discharge hole; a gap is formed between the inner wall of the gas hood and the outer wall of the crushing barrel; the top of the gap is communicated with the discharge hole, and the bottom of the gap is communicated with the feed back barrel; the crushing pipe is arranged in an annular structure; the crushing pipe is provided with a feeding port and a nozzle communicated with the feeding port; the nozzle extends into the gap and is arranged towards the outer wall of the crushing barrel;

a discharge valve connected with the crushing tank; the inlet end of the blanking valve is connected with a blanking port; and

a circulating pipe connected with the crushing tank; one end of the circulating pipe is provided with a feed inlet and a feed back port; the feed back port is connected with the outlet end of the feeding valve; the other end of the circulating pipe is connected with the feeding port.

When the pneumatic crushing conveying device works, solid materials enter the feeding hole of the circulating pipe under the driving of positive pressure airflow and then enter the crushing pipe of the crushing tank. Because the broken pipe sets up for loop configuration, so the reposition of redundant personnel is the branch air current of antagonism after the positive pressure air current gets into broken pipe, has aggravated the collision between the material of different quality, volume, speed, reaches preliminary broken purpose. And then, the primarily crushed materials are sprayed out from the nozzle and impact the outer wall of the crushing barrel, so that the purpose of secondary crushing is achieved. The crushed qualified materials are discharged from a discharge hole at the top of the air hood in the gap between the air hood and the crushing barrel under the driving of the suspension force of the positive pressure airflow. The crushed unqualified materials can sink to the bottom of the gap under the action of self gravity and enter the material returning tank, and when the discharging valve is opened, the crushed unqualified materials can flow back to the circulating pipe for recycling crushing. Above-mentioned design, utilize positive pressure airflow to take the animal material to get into annular broken pipe and carry out the first breakage, then recycle nozzle blowout material striking crushing bucket realizes the secondary crushing, recycle air current sorts the material after the breakage, broken material that qualifies is along with the air current discharges, and broken unqualified material then flows back the breakage once more, the simple structure of this design, equipment cost is low, the process is simple, high working efficiency, accomplish broken operation when carrying the material, reduce the material and wet and the risk of pollution.

In one embodiment, the bottom of the reclaiming barrel is provided with a first conical part which is arranged downwards; the feed opening sets up the bottom at first toper portion. The material is piled up in the feed back bucket to under the action of gravity, along first toper portion concentrated flow feed opening for the unloading.

In one embodiment, the top of the air hood is provided with a second conical part which is arranged upwards; the discharge hole is arranged at the top end of the second conical part. When the materials float upwards along with the airflow, the materials are converged to the discharge hole under the guidance of the second conical part so as to be discharged conveniently.

In one of the embodiments, the top of the crushing bucket is provided with a third conical portion disposed upwardly. The third conical part is used for matching with the second conical part so as to better guide the materials to enter the discharge hole.

In one embodiment, the pneumatic crushing conveying device further comprises: a feeding pipe connected with the circulating pipe; the feeding pipe is butted with the feeding hole. The feeding pipe is used for extending the feeding port of the circulating pipe, and is convenient for abutting the feeding end of the material and the positive pressure airflow.

In one embodiment, the pneumatic crushing conveying device further comprises: an acceleration chamber connected between the discharge valve and the circulation pipe; the accelerating chamber is of an upward conical cavity structure; the top of the acceleration chamber is connected with the outlet end of the blanking valve; the bottom of the accelerating chamber is connected with a feed back port. When the crushed unqualified materials enter from the top of the acceleration chamber, the crushed unqualified materials are scattered and flow back to the feed back port, so that the blockage of the circulating pipe caused by the over concentration of the flowing back materials is avoided.

In one embodiment, the pneumatic crushing conveying device further comprises: a discharge pipe connected with the crushing tank; the discharge pipe is in butt joint with the discharge hole. The pan feeding pipe is used for extending the discharge gate of gas hood, is convenient for guide the material that the breakage is qualified to predetermined bin outlet.

In one embodiment, the discharge valve is a rotary feed valve. The use of a rotary feed valve allows continuous and uniform return of reject material to the recycle line.

Drawings

Fig. 1 is a perspective view of a pneumatic crushing conveying device according to an embodiment of the present invention;

FIG. 2 is a top view of the air-break conveyor shown in FIG. 1;

FIG. 3 is a sectional view of the pneumatic crushing conveying device A-A shown in FIG. 2;

FIG. 4 is a partial top view of the pneumatic reducing conveyor of FIG. 2;

fig. 5 is a schematic view showing the combination of the air cap and the crushing barrel of the crushing tank in the air-break conveying apparatus shown in fig. 1.

The meaning of the reference symbols in the drawings is:

100-a pneumatic crushing and conveying device;

10-crushing tank, 11-reclaiming barrel, 111-feed opening, 112-first conical part, 12-gas hood, 121-discharge opening, 122-second conical part, 13-crushing barrel, 131-raised strip, 132-third conical part, 14-crushing tube, 141-feed opening, 142-nozzle, 15-gap;

20-a discharge valve;

30-circulating pipe, 31-feed inlet, 32-feed back hole;

40-an acceleration chamber;

50-a feeding pipe;

60-a discharge pipe.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1 to 5, it is an embodiment of the present invention of an air-break conveying apparatus 100.

As shown in fig. 1 to 3, the pneumatic crushing conveyor 100 includes: a crushing tank 10, a blanking valve 20 connected to the crushing tank 10, and a circulation pipe 30 connected to the crushing tank 10. Wherein, broken jar 10 is used for introducing positive pressure air current and material to carry out the secondary crushing processing to the material, simultaneously, broken qualified material discharge is carried out with broken jar 10, retrieves broken unqualified material. The circulation pipe 30 is used to receive a positive pressure air flow and material from the outside and to guide it to the crushing tank 10 for the crushing process. The discharge valve 20 is used to control the unqualified materials accumulated in the crushing tank 10 to flow back to the circulating pipe 30 again for the crushing process again.

The pneumatic crushing conveyor 100 described above will be further described with reference to fig. 1 to 5.

As shown in fig. 3, the crush can 10 includes: a reclaiming barrel 11, an air hood 12 located at the top of the reclaiming barrel 11, a crushing barrel 13 located inside the air hood 12, and a crushing pipe 14 disposed around the crushing barrel 13. As shown in fig. 3, the bottom of the feed back barrel 11 is provided with a feed opening 111. The top of the gas hood 12 is provided with a discharge hole 121. As shown in fig. 3 and 5, a gap 15 is formed between the inner wall of the gas hood 12 and the outer wall of the crushing barrel 13. The top of the gap 15 is communicated with the discharge hole 121, and the bottom of the gap 15 is communicated with the material return barrel 11. As shown in fig. 4, the crushing tube 14 is provided in an annular configuration. The crushing pipe 14 is provided with a feed port 141 and a nozzle 142 communicating with the feed port 141. The nozzles 142 extend into the gap 15 and are arranged towards the outer wall of the crushing bucket 13. In the present embodiment, the nozzles 142 are plural and uniformly arranged along the circumferential direction of the crush can 10.

Referring to fig. 3 and 5, in the present embodiment, the air hood 12 is embedded in the top of the reclaiming barrel 11, and the crushing barrel 13 is installed in the inner cavity of the air hood 12 through the convex strip 131, so as to form a socket structure with a gap 15, and the bottom of the gap 15 is communicated with the reclaiming barrel 11.

Furthermore, as shown in connection with fig. 4 and 5, the crushing tube 14 is wound around the outer wall of the gas hood 12, and then the nozzle 142 extends from a through hole opened in the gas hood 12 into the gap 15. The orientation of the nozzle 142 is preferably inclined upwardly at 30 to 60 °.

As shown in fig. 3, in the present embodiment, the bottom of the feed back barrel 11 is provided with a first tapered portion 112 disposed downward. The feed opening 111 is provided at the bottom end of the first tapered portion 112. The material is accumulated in the feed back barrel 11 and flows intensively along the first conical part 112 to the feed opening 111 under the action of gravity to facilitate the blanking.

As shown in fig. 3, in the present embodiment, the top of the gas hood 12 is provided with a second tapered portion 122 disposed upward. The discharge port 121 is provided at the top end of the second tapered portion 122. When the materials float upwards along with the airflow, the materials are guided by the second conical part 122 to be converged to the discharge hole 121 for discharging.

As shown in fig. 3, in the present embodiment, the top of the crushing bucket 13 is provided with a third tapered portion 132 disposed upward. The third tapered portion 132 is adapted to cooperate with the second tapered portion 122 to better guide the material into the discharge opening 121.

As shown in fig. 1 and 3, the inlet end of the discharging valve 20 is connected to the discharging port 111. In the present embodiment, the discharge valve 20 is a rotary feed valve. The use of a rotary feed valve allows for continuous and uniform return of off-spec material to the recirculation pipe 30. In other embodiments, the blanking valve 20 can be other types of valve bodies, such as a solenoid valve.

As shown in fig. 1 and 3, one end of the circulation pipe 30 is provided with a feed port 31 and a return port 32. The feed back port 32 is connected to the outlet end of the feed valve 20. The other end of the circulation tube 30 is connected to the material inlet 141. As shown in FIG. 3, the material return opening 32 is located on the side of the material inlet 31 near the material inlet 141, and is intended to follow the newly introduced positive pressure gas flow and move with the material toward the crushing tube 14 when the material returns to the circulating tube 30.

As shown in fig. 3, in this embodiment, the pneumatic crushing conveying device 100 further includes: an acceleration chamber 40 connected between the discharge valve 20 and the circulation pipe 30. The acceleration chamber 40 is an upwardly disposed conical channel structure. The top of the acceleration chamber 40 is connected to the outlet end of the discharge valve 20. The bottom of the acceleration chamber 40 is connected to the feed back port 32, and accordingly, the feed back port 32 is provided with a wide-mouth structure to better interface with the bottom outlet of the acceleration chamber 40. When the crushed unqualified materials enter from the top of the accelerating chamber 40, the materials are scattered in a dispersed state and flow back to the material returning port 32, so that the blockage of the circulating pipe 30 caused by the over concentration of the returned materials is avoided.

As shown in fig. 1 and 3, in the present embodiment, the pneumatic crushing conveying apparatus 100 further includes: a feeding pipe 50 connected with the circulating pipe 30. The feed tube 50 is butted against the feed opening 31. The feeding pipe 50 is used for extending the feeding port 31 of the circulating pipe 30, so as to facilitate the butt joint of the feeding ends of the materials and the positive pressure gas flow.

As shown in fig. 1 and 3, in the present embodiment, the pneumatic crushing conveying apparatus 100 further includes: a discharge pipe 60 of the crushing tank 10 is connected. The discharge pipe 60 is butted against the discharge port 121. The feeding pipe 50 is used for extending the discharge hole 121 of the gas hood 12, so as to guide the crushed qualified materials to a preset discharge point.

As shown in fig. 4, in operation, the solid material is driven by the positive pressure gas flow to enter the feeding port 31 of the circulating pipe 30 and then enter the crushing pipe 14 of the crushing tank 10. Because the crushing pipe 14 is arranged in an annular structure, the positive pressure airflow enters the crushing pipe 14 and then is divided into antagonistic branch airflows, so that collision among materials with different masses, volumes and speeds is aggravated, and the purpose of primary crushing is achieved. Then, the primarily crushed material is sprayed out from the nozzle 142 and impacts the outer wall of the crushing barrel 13, so as to achieve the purpose of secondary crushing. The crushed qualified materials are discharged from a discharge hole 121 at the top of the air hood 12 in a gap 15 between the air hood 12 and the crushing barrel 13 under the driving of the suspension force of the positive pressure air flow. The crushed unqualified materials fall to the bottom of the gap 15 under the action of self gravity and enter the material returning tank, and when the material returning valve 20 is opened, the crushed unqualified materials flow back to the circulating pipe 30 for circulating crushing again.

Above-mentioned broken conveyor of strength 100, utilize positive pressure airflow to take animal material to get into annular broken pipe 14 and carry out the primary crushing, then recycle nozzle 142 blowout material striking crushing bucket 13 and realize the secondary crushing, recycle air current sorts the material after the breakage, broken material that qualifies is along with the air current is discharged, and broken unqualified material then flows back the breakage once more, the simple structure of this design, equipment cost is low, the process is simple, high work efficiency, accomplish broken operation when carrying the material, reduce the risk that the material wets and pollutes.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. A pneumatic crushing conveying device is characterized by comprising:

a crushing tank; the crushing tank includes: the crushing device comprises a material returning barrel, an air hood positioned at the top of the material returning barrel, a crushing barrel positioned in the air hood, and a crushing pipe arranged around the crushing barrel; the bottom of the feed back barrel is provided with a feed opening; a discharge hole is formed in the top of the gas hood; a gap is formed between the inner wall of the gas hood and the outer wall of the crushing barrel; the top of the gap is communicated with the discharge hole, and the bottom of the gap is communicated with the feed back barrel; the crushing pipe is arranged in an annular structure; the crushing pipe is provided with a feeding port and a nozzle communicated with the feeding port; the nozzle extends into the gap and is disposed towards an outer wall of the crushing barrel;

a discharge valve connected to the crushing tank; the inlet end of the blanking valve is connected with the blanking port; and

the circulating pipe is connected with the crushing tank; one end of the circulating pipe is provided with a feed inlet and a feed back port; the feed back port is connected with the outlet end of the blanking valve; the other end of the circulating pipe is connected with the feeding port.

2. The air crushing conveying device according to claim 1, wherein the bottom of the feed back barrel is provided with a first conical part which is arranged downwards; the feed opening is arranged at the bottom end of the first conical part.

3. The air crushing conveying device according to claim 1, wherein the top of the air hood is provided with a second conical part which is arranged upwards; the discharge hole is formed in the top end of the second conical portion.

4. The air-break conveying device according to claim 3, characterized in that the top of the breaking bucket is provided with a third conical part which is arranged upwards.

5. The air-break conveying apparatus according to claim 1, further comprising: a feeding pipe connected with the circulating pipe; the feeding pipe is in butt joint with the feeding hole.

6. The air-break conveying apparatus according to claim 1, further comprising: an acceleration chamber connected between the discharge valve and the circulation pipe; the accelerating chamber is of an upward conical cavity structure; the top of the acceleration chamber is connected with the outlet end of the blanking valve; the bottom of the accelerating chamber is connected with the feed back port.

7. The air-break conveying apparatus according to claim 1, further comprising: a discharge pipe connected with the crushing tank; the discharge pipe is in butt joint with the discharge hole.

8. An air-break conveying device according to any of the claims 1 to 7, characterized in that the blanking valve is a rotary feeding valve.

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