CN212150804U - Pneumatic conveying elbow - Google Patents
Pneumatic conveying elbow Download PDFInfo
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- CN212150804U CN212150804U CN202020793085.4U CN202020793085U CN212150804U CN 212150804 U CN212150804 U CN 212150804U CN 202020793085 U CN202020793085 U CN 202020793085U CN 212150804 U CN212150804 U CN 212150804U
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Abstract
The utility model discloses a pneumatic conveying elbow relates to pneumatic conveying technical field, include: the external inlet, the external outlet and the conveying pipe are hermetically connected between the external access port and the external outlet; a bend which is bent towards the inner cavity of the pipe is arranged on one side of the conveying pipe, which is adjacent to the external access opening and the external outlet; one side of the conveying pipe, which is far away from the external inlet and the external outlet, is provided with an abdominal cavity pipe wall and a tongue pipe wall, and the external inlet, the abdominal cavity pipe wall, the tongue pipe wall and the external outlet are sequentially connected; the abdominal cavity is arranged on the wall of the abdominal cavity facing the inner part of the tube cavity, the abdominal cavity is communicated with the tube cavity, and the laryngeal-lingual wall and the abdominal wall form a convex tongue between the abdominal cavity and the tube cavity. The running track is designed by utilizing the material flow direction characteristic, so that the front impact of the material and the inner wall of the pneumatic conveying elbow is reduced, and the service life of the pneumatic conveying elbow is prolonged; because the diameter of the elbow is greatly reduced, the installation path is less limited, the installation is more convenient, and the excavation area of the foundation pit is greatly reduced.
Description
Technical Field
The utility model relates to a pneumatic conveying technical field especially relates to a pneumatic conveying elbow.
Background
The pneumatic conveying is to convey granular material in the direction of air flow in a closed pipeline by utilizing the energy of the air flow, and is a specific application of fluidization technology. The pneumatic conveying device is convenient to operate, can be used for conveying in the horizontal, vertical or inclined directions, and can simultaneously carry out physical operations or chemical operations such as heating, cooling, drying, airflow classification and the like on materials in the conveying process. Due to the characteristics of pneumatic transmission, the pneumatic transmission is widely applied to the aspect of conveying granular materials, such as electric power departments, chemical departments, cement departments, grain departments and the like.
For the conveying pipeline turning part of the pneumatic conveying device, in order to prolong the service life, a large elbow with the radius more than the pipe diameter has to be adopted, and the pneumatic conveying device is difficult to install and use in a region with narrow space and special geography.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pneumatic conveying elbow for solve among the prior art for increasing pipeline turn part's life, have to adopt the radius to exceed the big elbow that is many times the pipe diameter, to the region of the narrow and small special geography in space, be difficult to install and use pneumatic conveyor's technical problem.
The embodiment of the utility model provides a pneumatic conveying elbow, which comprises a conveying pipe, wherein the conveying pipe is a bent pipe and is provided with an external inlet and an external outlet; a tube cavity is formed between the external inlet and the external outlet of the conveying pipe, the tongue tube wall and the convex abdominal cavity tube wall are arranged on the convex side of the conveying pipe, an abdominal cavity is formed in the abdominal cavity tube wall and communicated with the tube cavity, and the abdominal cavity tube wall is connected with the tongue tube wall and a convex tongue is formed at the joint.
A bend which is bent towards the inner cavity of the pipe is arranged on one side of the conveying pipe, which is adjacent to the external access opening and the external outlet; one side of the conveying pipe, which is far away from the external inlet and the external outlet, is provided with an abdominal cavity pipe wall and a tongue pipe wall, and the external inlet, the abdominal cavity pipe wall, the tongue pipe wall and the external outlet are sequentially connected; the abdominal cavity is arranged on the wall of the abdominal cavity facing the inner part of the tube cavity, the abdominal cavity is communicated with the tube cavity, and the laryngeal-lingual wall and the abdominal wall form a convex tongue between the abdominal cavity and the tube cavity. The conventional pneumatic conveying device usually adopts a large elbow, the radius of the elbow is more than ten times of the pipe diameter, the elbow occupies a large area, and the conventional pneumatic conveying device cannot be installed and used in special geographical positions with narrow space. The volume of the conventional pit-buried foundation pit is greatly enlarged, and basically, the volume is enlarged by 4 squares and occupies 2/5 of the total area in the case of a 1kl pressure feed tank system. Adopt the utility model provides a pneumatic conveying elbow has reduced the excavation area of foundation ditch greatly, has reduced investment cost. Meanwhile, the elbow is more convenient to install due to the fact that the size of the elbow is reduced, and labor hour is saved.
Use the utility model provides a pneumatic conveying elbow carries out the dense phase when carrying out the transport to the material, and the material gets into the main three direction flow in back through external entry: part of the material flows upwards along the curved path and flows out through an external outlet; part of the material moves to the convex tongue part, the collision is divided into two parts, and the small part a moves upwards along the curve to an external outlet; most of the materials (b) move to the bottom along the inner wall of the abdominal cavity in a rotary manner, meet with part of the materials (c), and move upwards to the external outlet under the driving of the materials (c) until the materials are conveyed completely. The running track is designed by utilizing the material flow direction characteristic, so that the frontal impact of the material and the inner wall of the pneumatic conveying elbow is reduced, the service life of the pneumatic conveying elbow is prolonged, and the material breakage rate is reduced. Because the diameter of the elbow is greatly reduced, the installation path is less limited, the installation is more convenient, the excavation area of a foundation pit is greatly reduced for the pit-buried pneumatic transmission, and the investment cost is reduced.
Preferably, a reinforcing wall is further arranged between the abdominal cavity tube wall and the external access opening.
Most of materials (b) move to the bottom along the inner wall of the abdominal cavity in a circling manner and meet with part of materials (c), the materials (b) and the materials (c) can impact the inner wall of the conveying pipe between the wall of the abdominal cavity and the external inlet after meeting, the conveying pipe is easy to damage due to long-term impact friction on the inner wall of the conveying pipe, and the reinforcing wall is arranged to be favorable for prolonging the service life of the pneumatic conveying elbow. The reinforced wall can be integrally formed by the same material as the pneumatic conveying elbow and can also be made of other materials with higher strength.
Preferably, the thickness of the reinforcing wall is greater than the thickness of the duct wall.
In order to facilitate the processing of the pneumatic conveying elbow, the conveying pipe is made of the same material and is produced in an integrated forming mode, and the service life of the reinforcing wall can be prolonged by increasing the thickness of the reinforcing wall.
Preferably, the external inlet and/or the external outlet are provided with flange interfaces.
The external inlet and/or the external outlet are/is provided with the flange interfaces, so that the connection with the two ends of the pneumatic conveying straight pipe is facilitated, and the pneumatic conveying elbow is convenient to disassemble and maintain when damaged.
Preferably, the inner wall of the convex side of the delivery pipe is smoothly connected with the inner wall of the abdominal cavity pipe wall.
The inner wall of the conveying pipe, which is far away from one side of the external inlet and the external outlet, is smoothly connected with the inner wall of the abdominal cavity pipe wall, and the impact surface of the material and the convex part is reduced and the breakage rate of the material is reduced by reducing the convex part inside the pneumatic conveying elbow.
Preferably, the inner wall of the outer convex side of the delivery pipe is smoothly connected with the tongue.
The inner wall of one side of the conveying pipe, which is far away from the external inlet and the external outlet, is smoothly connected with the convex tongues, and the impact surface of the material and the convex parts is reduced by reducing the convex parts inside the pneumatic conveying elbow, so that the breakage rate of the material is reduced.
Preferably, the inner wall of the abdominal wall is smoothly connected with the tongue.
The smooth connection of the inner wall of the abdominal cavity wall and the convex tongue can ensure that most of the materials (b) can more smoothly and circularly move to the bottom along the inner wall of the abdominal cavity, and the movement path of the materials (b) cannot be changed due to the protrusion between the inner wall of the abdominal cavity wall and the convex tongue.
Preferably, the abdominal cavity is of ellipsoidal design.
In order to ensure that the material (II) can rotate along the inner wall of the abdominal cavity to the bottom, the abdominal cavity is designed to be ellipsoid, so that the material (II) can rotate smoothly to the bottom; of course, the length and radius of the abdominal cavity can be properly adjusted according to the specific material or the pipe diameter.
Preferably, the angle between the plane of the external inlet and the plane of the external outlet is 45 ° to 135 °.
According to specific application scenes, the bending degree of the pneumatic conveying elbow can be set to different angles, and the optimal angle can be 45-135 degrees so as to meet different requirements.
Preferably, the plane of the external connection inlet and the plane of the external connection outlet form an included angle of 90 °.
For mass production and actual needs, the included angle between the plane of the external inlet and the plane of the external outlet is 90 degrees, which is the best angle and is used as the bending degree of the pneumatic conveying elbow for mass production.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a pneumatic conveying elbow according to an embodiment of the present invention;
fig. 2 is a working schematic diagram of a pneumatic conveying elbow provided by the embodiment of the present invention;
fig. 3 is a side view of the pneumatic conveying elbow according to the embodiment of the present invention.
Icon: 10-pneumatic conveying elbow; 100-external inlet; 200-an external outlet; 300-a delivery pipe; 310-curve; 320-abdominal wall; 330-laryngopharyngeal wall; 340-a tongue; 350-a reinforcing wall; 400-flange interface.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Referring to fig. 1 to 3, a pneumatic conveying elbow 10 according to an embodiment of the present invention includes a conveying pipe 300, the conveying pipe 300 is a bent pipe, and the conveying pipe 300 is provided with an external inlet 100 and an external outlet 200; a tube cavity is formed between the external inlet 100 and the external outlet 200 of the delivery tube 300, a tongue tube wall 330 and an external convex abdominal cavity tube wall 320 are arranged on the convex side of the delivery tube 300, an abdominal cavity is formed in the abdominal cavity tube wall 320 and is communicated with the tube cavity, the abdominal cavity tube wall 320 is connected with the tongue tube wall 330, and a convex tongue 340 is formed at the connection position.
In specific implementation, the delivery pipe 300 is provided with a curve 310 bending towards the inner cavity of the pipe at one side of the external inlet 100 adjacent to the external outlet 200; the side of the delivery pipe 300 far away from the external inlet 100 and the external outlet 200 is provided with an abdominal cavity pipe wall 320 and a laryngeal tongue pipe wall 330, and the external inlet 100, the abdominal cavity pipe wall 320, the laryngeal tongue pipe wall 330 and the external outlet 200 are sequentially connected; the abdominal cavity wall 320 is provided with an abdominal cavity facing the inside of the lumen, the abdominal cavity is communicated with the lumen, and the tongue of larynx wall 330 and the abdominal cavity wall 320 form a tongue 340 between the abdominal cavity and the lumen.
The conventional pneumatic conveying device usually adopts a large elbow, the radius of the elbow is more than ten times of the pipe diameter, the elbow occupies a large area, and the conventional pneumatic conveying device cannot be installed and used in special geographical positions with narrow space. The volume of the conventional pit-buried foundation pit is greatly enlarged, and basically, the volume is enlarged by 4 squares and occupies 2/5 of the total area in the case of a 1kl pressure feed tank system. Adopt the utility model provides a pneumatic conveying elbow 10 has reduced the excavation area of foundation ditch greatly, has reduced investment cost. Meanwhile, the elbow is more convenient to install due to the fact that the size of the elbow is reduced, and labor hour is saved.
Use the utility model provides a when air conveying elbow 10 carries out dense phase transport to the material, the material gets into the main three direction flow in back through external entry 100: part of the material (I) flows upwards along the bend 310 and flows out through the external outlet 200; part of the material II moves to the part of the convex tongue 340, the collision is divided into two parts, and the small part A moves upwards along the bend 310 to the external outlet 200; most of the materials (b) move to the bottom along the inner wall of the abdominal cavity in a rotary manner, meet with part of the materials (c), and move upwards to the external outlet 200 under the driving of the materials (c) until the materials are conveyed completely. The running track is designed by utilizing the characteristic of material flow direction, so that the frontal impact of the material and the inner wall of the pneumatic conveying elbow 10 is reduced, the service life of the pneumatic conveying elbow 10 is prolonged, and the material breakage rate is reduced. Because the diameter of the elbow is greatly reduced, the installation path is less limited, the installation is more convenient, the excavation area of a foundation pit is greatly reduced for the pit-buried pneumatic transmission, and the investment cost is reduced.
Preferably, a stiffening wall 350 is also provided between the abdominal wall 320 and the external access port 100.
Use the utility model provides a pneumatic conveying elbow 10 carries out the dense phase to the material when carrying out, most material b is in the same direction as abdominal cavity inner wall and is convoluteed the motion to the bottom, meet with partial material (c), material (c) can cause the impact to conveyer pipe 300 inner wall between abdominal cavity pipe wall 320 and the external entry 100 after meeting with the material (c), the material is for a long time to conveyer pipe 300 inner wall impact friction damage conveyer pipe 300 easily, set up here and strengthen wall 350 and be favorable to promoting pneumatic conveying elbow 10's life. The reinforcing wall 350 may be formed integrally from the same material as the pneumatic conveying elbow 10, or may be formed from a different material having a higher strength.
Preferably, the thickness of the reinforcing wall 350 is greater than the thickness of the wall of the delivery tube 300.
In order to facilitate the processing of the pneumatic conveying elbow 10, the same material as the pipeline of the conveying pipe 300 is integrally formed, and the service life of the reinforcing wall 350 can be prolonged by increasing the thickness of the reinforcing wall 350.
Preferably, the external inlet 100 and/or the external outlet 200 are provided with a flange interface 400.
In specific implementation, the external inlet 100 and/or the external outlet 200 are provided with the flange interfaces 400 to facilitate connection with two ends of the pneumatic conveying straight pipe, and meanwhile, the pneumatic conveying elbow 10 is convenient to disassemble and maintain when damaged.
Preferably, the inner wall of the delivery tube 300 on the outer convex side is smoothly connected with the inner wall of the abdominal wall 320.
The inner wall of the delivery tube 300 on the side away from the external inlet 100 and the external outlet 200 is smoothly connected with the inner wall of the abdominal wall 320. The inner wall of the conveying pipe 300 far away from the external inlet 100 and the external outlet 200 is smoothly connected with the inner wall of the abdominal cavity pipe wall 320, and the impact surface between the material and the convex part is reduced by reducing the convex part inside the pneumatic conveying elbow 10, so that the breakage rate of the material is reduced.
Preferably, the inner wall of the outer convex side of the delivery tube 300 is smoothly connected with the tongue 340.
The inner wall of the delivery tube 300 on the side away from the circumscribed inlet 100 and the circumscribed outlet 200 is smoothly connected with the tongue 340. The inner wall of the side of the conveying pipe 300 far away from the external inlet 100 and the external outlet 200 is smoothly connected with the convex tongue 340, and the impact surface of the materials and the convex parts is reduced by reducing the convex parts inside the pneumatic conveying elbow 10, so that the breakage rate of the materials is reduced.
Preferably, the inner wall of abdominal wall 320 is smoothly connected to tab 340.
The smooth connection of the inner wall of the abdominal cavity tube wall 320 and the tongue 340 can ensure that most of the materials (b) can more smoothly rotate along the inner wall of the abdominal cavity to the bottom, and the movement path of the materials (b) cannot be changed due to the protrusion between the inner wall of the abdominal cavity tube wall 320 and the tongue 340.
Preferably, the abdominal cavity is of ellipsoidal design.
In order to ensure that the material (II) can rotate along the inner wall of the abdominal cavity to the bottom, the abdominal cavity is designed to be ellipsoid, so that the material (II) can rotate smoothly to the bottom; of course, the length and radius of the abdominal cavity can be properly adjusted according to the specific material or the pipe diameter.
Preferably, the plane of the circumscribed inlet 100 is at an angle of 45 ° to 135 ° to the plane of the circumscribed outlet 200.
According to the specific application scenario, the bending degree of the pneumatic conveying elbow 10 can be set to different angles, and the optimal angle can be 45-135 degrees to meet different requirements.
Preferably, the plane of the circumscribed inlet 100 is at an angle of 90 ° to the plane of the circumscribed outlet 200.
For mass production and practical needs, the included angle between the plane of the external inlet 100 and the plane of the external outlet 200 is 90 degrees, which is the best angle, and the included angle is used as the bending degree of the pneumatic conveying elbow 10 for mass production.
In short, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pneumatic conveying elbow is characterized by comprising a conveying pipe, wherein the conveying pipe is a bent pipe and is provided with an external inlet and an external outlet; a tube cavity is formed between the external inlet and the external outlet of the conveying pipe, a tongue tube wall and an external convex abdominal cavity tube wall are arranged on the convex side of the conveying pipe, an abdominal cavity is formed in the abdominal cavity tube wall and communicated with the tube cavity, and the abdominal cavity tube wall is connected with the tongue tube wall and a convex tongue is formed at the joint.
2. The pneumatic conveying elbow according to claim 1, wherein a reinforcing wall is further provided between the abdominal wall and the external inlet.
3. The pneumatic conveying elbow according to claim 2, wherein the thickness of the reinforcing wall is greater than the thickness of the wall of the conveying pipe.
4. The pneumatic conveying elbow according to claim 1, wherein the external inlet and/or the external outlet is provided with a flanged interface.
5. The pneumatic conveying elbow as claimed in claim 1, wherein the inner wall of the outer convex side of the conveying pipe is smoothly connected with the inner wall of the abdominal wall.
6. The pneumatic conveying elbow as claimed in claim 1, wherein the inner wall of the outer convex side of the conveying pipe is smoothly connected with the tongue.
7. The pneumatic conveying elbow of claim 1, wherein the inner wall of the abdominal wall is in smooth connection with the tongue.
8. The pneumatic conveying elbow according to claim 1, wherein the abdominal cavity is of ellipsoidal design.
9. The pneumatic conveying elbow as claimed in claim 1, wherein the angle between the plane of the external inlet and the plane of the external outlet is 45 ° to 135 °.
10. The pneumatic conveying elbow as claimed in claim 9, wherein the angle between the plane of the external inlet and the plane of the external outlet is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020793085.4U CN212150804U (en) | 2020-05-13 | 2020-05-13 | Pneumatic conveying elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020793085.4U CN212150804U (en) | 2020-05-13 | 2020-05-13 | Pneumatic conveying elbow |
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|---|---|
| CN212150804U true CN212150804U (en) | 2020-12-15 |
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| CN202020793085.4U Active CN212150804U (en) | 2020-05-13 | 2020-05-13 | Pneumatic conveying elbow |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159130A (en) * | 2022-06-27 | 2022-10-11 | 广东立伟达矿业有限公司 | Calcium carbonate powder anti-dust conveying pipe and conveying method |
| CN117842703A (en) * | 2023-12-22 | 2024-04-09 | 中粮工科金麦科技(无锡)有限公司 | Pneumatic conveying return bend |
-
2020
- 2020-05-13 CN CN202020793085.4U patent/CN212150804U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159130A (en) * | 2022-06-27 | 2022-10-11 | 广东立伟达矿业有限公司 | Calcium carbonate powder anti-dust conveying pipe and conveying method |
| CN117842703A (en) * | 2023-12-22 | 2024-04-09 | 中粮工科金麦科技(无锡)有限公司 | Pneumatic conveying return bend |
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