CN219009260U

CN219009260U - Powder conveying elbow

Info

Publication number: CN219009260U
Application number: CN202320096947.1U
Authority: CN
Inventors: 王益斌
Original assignee: Soochow Mary Precision Manufacture Co ltd
Current assignee: Soochow Mary Precision Manufacture Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-05-12
Anticipated expiration: 2033-02-01

Abstract

The utility model discloses a powder conveying elbow, which comprises an elbow pipe, wherein a tubular filter element capable of allowing powder to pass through is arranged in the elbow pipe in a penetrating way, an air cavity is formed between the elbow pipe and the tubular filter element, the air cavity and the tubular filter element are limited by a plurality of groups of positioning rings, and air holes capable of allowing air flow to pass through are formed in the positioning rings; the outer surface of one end of the tubular filter element is sleeved with a mounting component for connecting with other pipelines or equipment, and one end face of the mounting component is fixedly connected with one end face of the bent pipe; the outer surface of the other end of the tubular filter element is sleeved with a blocking cap which is completely accommodated in the other end of the bent pipe and fixedly connected with the bent pipe; at least one air charging port used for being connected with an external air pipe is also formed on the outer surface of the bent pipe, and the air cavity is inflated through the air charging port. The utility model realizes that the powder keeps suspended when passing through the filter element in the body conveying elbow, avoids the blockage caused by accumulation when the powder passes through the elbow, and improves the conveying efficiency of the powder.

Description

Powder conveying elbow

Technical Field

The utility model belongs to the technical field of powder conveying, and particularly relates to a powder conveying elbow.

Background

The pneumatic conveying system is commonly used for conveying powder materials, has the advantages of simple structure, convenient operation, low maintenance cost, flexible arrangement, long conveying distance and capability of carrying in horizontal, vertical or inclined directions and discharging in one place.

However, pneumatic conveying systems also have their own insurmountable drawbacks: in the pneumatic conveying process, as the flow speed at the elbow is too low, powder materials are easily accumulated at the bending part of the conveying pipeline, so that the powder materials are blocked, a conveying system is caused to fail, and shutdown maintenance is required to be implemented, so that the production efficiency of the pneumatic conveying system is influenced on the one hand, and the temporary shutdown of the conveying system can ensure the quality of the powder materials which are required to be conveyed in real time on the other hand, the powder materials in the batch can be scrapped, and thus, larger loss is caused for enterprise production.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the powder conveying elbow so as to realize gas distribution in a pipeline, prevent powder from accumulating at a bending part and improve conveying efficiency.

In order to achieve the technical purposes and effects, the utility model is realized by the following technical scheme:

the powder conveying elbow comprises an elbow pipe, wherein a tubular filter element capable of allowing powder to pass through is arranged in the elbow pipe in a penetrating manner, an air cavity is formed between the elbow pipe and the tubular filter element, the air cavity and the tubular filter element are limited through a plurality of groups of positioning rings, and air holes capable of allowing air flow to pass through are formed in the positioning rings; the outer surface of one end of the tubular filter element is sleeved with a mounting component for connecting with other pipelines or equipment, and one end face of the mounting component is fixedly connected with one end face of the bent pipe; the outer surface of the other end of the tubular filter element is sleeved with a blocking cap, and the blocking cap is completely accommodated in the other end of the bent pipe and is fixedly connected with the bent pipe; at least one inflation port used for being connected with an external air pipe is further formed in the outer surface of the bent pipe, and inflation in the air cavity is achieved through the inflation port.

Further, a first connecting hole is formed in the bent pipe above each group of positioning rings, and the bent pipe and the positioning rings are welded together through the first connecting holes.

Furthermore, a plurality of air holes are uniformly formed in the positioning ring.

Further, a first O-ring is arranged between the mounting part and the connection surface of the tubular filter element.

Further, a second connecting hole is formed in the bent pipe above the blocking cap, and the blocking cap and the bent pipe are welded together through the second connecting hole.

Further, a second O-shaped ring is arranged between the connecting surface of the blocking cap and the bent pipe.

Further: the other end face of the installation component, the outer side end face of the blocking cap and the other end face of the elbow are provided with sealing grooves for installing sealing rings.

Further, the bent pipe is made of stainless steel.

Furthermore, the tubular filter element is made of polymer PE.

Further, an internal thread is provided in the inflation inlet.

The beneficial effects of the utility model are as follows: according to the utility model, the filter element is arranged in the stainless steel elbow, the air cavity is formed, and the powder is kept in suspension when passing through the filter element in the body conveying elbow by inflating the air cavity, so that the blockage of the powder caused by accumulation when passing through the elbow is avoided, and the conveying efficiency of the powder is improved.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a conveying elbow of the present utility model;

FIG. 2 is a schematic view of a retaining ring according to the present utility model;

FIG. 3 is a schematic view of the mounting assembly of the present utility model;

fig. 4 is a schematic diagram of the structure of the plugging cap of the utility model.

The reference numerals in the figures illustrate: 1. bending the pipe; 2. a tubular filter element; 3. an air cavity; 4. a positioning ring; 6. a mounting member; 7. a blocking cap; 8. an inflation inlet; 9. a first O-ring; 10. a second O-ring; 101. a first connection hole; 102. a second connection hole; 103. sealing grooves; 401. and (5) air holes.

Description of the embodiments

The utility model will be described in detail below with reference to the drawings in combination with embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, back, upper, lower, top, bottom … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicators are correspondingly changed.

Referring to fig. 1-4, a powder conveying elbow comprises an elbow pipe 1, wherein a tubular filter element 2 capable of allowing powder to pass through is arranged in the elbow pipe 1 in a penetrating manner, an air cavity 3 is formed between the elbow pipe 1 and the tubular filter element 2, the elbow pipe 1 and the tubular filter element 2 are limited by a plurality of groups of positioning rings 4, the elbow pipe 1 and the tubular filter element 2 are prevented from being mutually close by the positioning rings 4, and air holes 401 capable of allowing air flow to pass through are formed in the positioning rings 4; the outer surface of one end of the tubular filter element 2 is sleeved with a mounting component 6 for connecting with other pipelines or equipment, and one end face of the mounting component 6 is fixedly connected with one end face of the bent pipe 1; the outer surface of the other end of the tubular filter element 2 is sleeved with a blocking cap 7, and the blocking cap 7 is completely accommodated in the other end of the elbow pipe 1 and is fixedly connected with the elbow pipe 1; at least one inflation inlet 8 for connecting with an external air pipe is also formed on the outer surface of the bent pipe 1, and the air cavity 3 is inflated through the inflation inlet 8.

Further, a first connecting hole 101 is formed on the bent pipe 1 above each set of positioning rings 4, and the bent pipe 1 and the positioning rings 4 are welded together through the first connecting hole 101, in this embodiment, the diameter of the first connecting hole 101 is 3mm, and of course, the above connection is only an implementation manner, and is not intended to limit the scope of the application; for example, the two may be connected by using screws, and the diameter of the first connecting hole 101 may be selected from other specifications and dimensions.

Further, a plurality of air holes 401 are uniformly formed in the positioning ring 4, in this embodiment, the positioning ring 4 is made of 304 stainless steel, the air holes 401 are circular holes with a diameter of 6mm, and 8 groups of air holes are formed in total, which is, of course, only one embodiment, and is not intended to limit the scope of the application.

Further, a first O-ring 9 is disposed between the connection surface of the mounting member 6 and the tubular filter element 2, and the primary function of the first O-ring 9 is to prevent leakage of air flow in the air cavity 3 from between the connection surface of the mounting member 6 and the tubular filter element 2, and in this embodiment, two groups of first O-rings 9 are disposed at intervals, so as to improve tightness between the two groups, but the sealing strength between the two groups can be achieved only by limiting the sealing strength between the two groups.

Further, a second connecting hole 102 is formed in the elbow pipe 1 above the plugging cap 7, and the plugging cap 7 and the elbow pipe 1 are welded together through the second connecting hole 102, in this embodiment, the diameter of the second connecting hole 102 is 3mm, as with the first connecting hole 101, and of course, the connection is just one embodiment, and is not intended to limit the scope of the application; for example, the two may be connected by using screws, and the diameter of the second connecting hole 102 may be selected from other specifications and dimensions.

Further, a second O-ring 10 is disposed between the connection surface of the plugging cap 7 and the elbow pipe 1, and the second O-ring 10 has a main function of preventing leakage between the connection surface of the plugging cap 7 and the elbow pipe 1, and in this embodiment, the second O-ring 10 is used for sealing as the first O-ring 9, and two groups are disposed at the same interval.

Further, the other end face of the installation component 6, the outer side end face of the plugging cap 7 and the other end face of the elbow pipe 1 are provided with sealing grooves 103 for installing sealing rings, the sealing grooves 103 mainly function to install the sealing rings and improve the sealing performance of the conveying elbow connected with other pipelines or devices, and in the embodiment, the outer side end face of the plugging cap 7 is flush with the other end face of the elbow pipe 1.

Further, the bent pipe 1 is made of stainless steel.

Furthermore, the material of the tubular filter element 2 is polymer PE, and the micropores inside the tubular filter element 2 are about 1 um.

Further, in this embodiment, the inflation inlet 8 is internally provided with an internal thread, so as to be in threaded connection with an external air pipe, two groups of inflation inlets 8 are arranged on the elbow 1 at intervals, and the specification of the internal thread is G1/4.

The working principle of the utility model is as follows:

the conveying bent pipe is arranged at the elbow of the feeding system and is connected with an external air pipe through an air charging port 8.

During operation, powder enters the conveying elbow pipe, at the moment, the external air pipe conveys air into the air cavity 3 through the air charging port 8, the air is uniformly distributed in the air cavity 3 and passes through the tubular filter element 2 to enter the tubular filter element 2, so that the powder passing through the tubular filter element 2 in the conveying elbow pipe is suspended, and the phenomenon of blockage caused by accumulation in the conveying elbow pipe is avoided.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a powder carries elbow which characterized in that: the powder filter comprises a bent pipe (1), wherein a tubular filter element (2) capable of allowing powder to pass through is arranged in the bent pipe (1), an air cavity (3) is formed between the bent pipe (1) and the tubular filter element (2), the space between the bent pipe and the tubular filter element is limited by a plurality of groups of positioning rings (4), and air holes (401) capable of allowing air flow to pass through are formed in the positioning rings (4); the outer surface of one end of the tubular filter element (2) is sleeved with a mounting component (6) for connecting with other pipelines or equipment, and one end face of the mounting component (6) is fixedly connected with one end face of the bent pipe (1); the outer surface of the other end of the tubular filter element (2) is sleeved with a blocking cap (7), and the blocking cap (7) is completely accommodated in the other end of the elbow pipe (1) and fixedly connected with the elbow pipe (1); at least one inflation inlet (8) used for being connected with an external air pipe is further formed in the outer surface of the bent pipe (1), and inflation into the air cavity (3) is achieved through the inflation inlet (8).

2. The powder delivery elbow according to claim 1, wherein: a first connecting hole (101) is formed in each bent pipe (1) above each group of locating rings (4), and the bent pipes (1) and the locating rings (4) are welded together through the first connecting holes (101).

3. The powder delivery elbow according to claim 1, wherein: a plurality of air holes (401) are uniformly formed in the positioning ring (4).

4. The powder delivery elbow according to claim 1, wherein: a first O-shaped ring (9) is arranged between the mounting part (6) and the connecting surface of the tubular filter element (2).

5. The powder delivery elbow according to claim 1, wherein: a second connecting hole (102) is formed in the bent pipe (1) above the blocking cap (7), and the blocking cap (7) and the bent pipe (1) are welded together through the second connecting hole (102).

6. The powder delivery elbow according to claim 5, wherein: a second O-shaped ring (10) is arranged between the connecting surface of the blocking cap (7) and the bent pipe (1).

7. The powder delivery elbow according to claim 5, wherein: the sealing grooves (103) for installing sealing rings are formed in the end face of the other end of the installation component (6), the end face of the outer side of the plugging cap (7) and the end face of the other end of the elbow pipe (1).

8. The powder conveying elbow according to any one of claims 1-7, wherein: the bent pipe (1) is made of stainless steel.

9. The powder delivery elbow according to claim 1 or 4, wherein: the tubular filter element (2) is made of polymer PE.

10. The powder delivery elbow according to claim 1, wherein: an internal thread is provided in the air charging port (8).