CN211475195U

CN211475195U - Multi-angle bent pipe

Info

Publication number: CN211475195U
Application number: CN201922266941.0U
Authority: CN
Inventors: 郑成亮; 曹新民; 姚龙涛
Original assignee: Keyuan Energy Equipment Co ltd
Current assignee: Keyuan Energy Equipment Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-11
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a pipeline field, concretely relates to multi-angle return bend. The utility model provides a pair of multi-angle return bend aims at overcoming the more problem of kinetic energy loss when the gas that exists carries in the pipeline among the background art. The utility model discloses a multi-angle return bend, including a pipe body, the body includes first connector and second connector, the cross section of body keeps unchangeable for the length direction of the internal diameter of ring shape and body along the body, first connector and second connector are the circular opening that the internal diameter is the same with the body internal diameter, the direction that extends to the second connector from first connector on the body has set gradually first bend, second bend and third bend, the kinetic energy loss of gas when flowing in the body has been reduced in the setting of this scheme, the gas transportation performance of body has been optimized.

Description

Multi-angle bent pipe

Technical Field

The utility model belongs to the technical field of the pipeline technique and specifically relates to a multi-angle return bend is related to.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations.

In the existing factory, a pipeline is generally adopted for conveying gas, but sometimes the pipeline needs to be bent for multiple times when two devices needing to convey gas are connected due to the influence of factors such as site area limitation, and the like, so that the kinetic energy loss of the gas during conveying in the pipeline is increased, and the load of a gas supply mechanism is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a multi-angle return bend to solve the gas that exists among the background art and carry the more problem of kinetic energy loss when carrying in the pipeline.

Achieve the above object the technical scheme of the utility model is that, a multi-angle return bend.

The multi-angle elbow manufactured by the technical scheme of the utility model comprises an air supply mechanism, a gas collection mechanism and a pipe body, wherein an air supply port is arranged on one side surface of the air supply mechanism, a gas collection port is arranged on one side surface of the gas collection mechanism, the pipe body comprises a first connecting port and a second connecting port, the first connecting port is communicated with the air supply port, the second connecting port is communicated with the gas collection port, the pipe body conveys the gas sent by the air supply mechanism into the gas collection mechanism, the air supply mechanism is positioned on one side of the gas collection mechanism, the height of the air supply mechanism is higher than that of the gas collection mechanism, and the air supply port and the gas collection port are arranged towards the same direction; the cross section of the pipe body is circular and the inner diameter of the pipe body is kept constant along the length direction of the pipe body, the air supply port, the air collection port, the first connecting port and the second connecting port are all circular openings with the inner diameter same as that of the pipe body, the central shaft of the air supply port is arranged in parallel with the horizontal plane, and the air supply port and the air collection port are arranged in parallel;

the pipe body is provided with a first bending part, a second bending part and a third bending part in sequence in the direction extending from the first connecting port to the second connecting port, the pipe body is bent downwards at the first bending part along a vertical plane, the bending angle of the first bending part is 110-160 degrees, the bending angle of the second bending part is 90 degrees, the axis of the cross section of the tail end of the pipe body at the second bending part and the axis of the cross section of the gas collecting port are located on the same horizontal plane, the bending angle of the third bending part is 90 degrees, and the tail end of the second bending part is connected with the starting end of the third bending part.

The diameter of the pipe body is 5cm-8cm, the bending radius of the first bending part is 15cm-35cm, the bending radius of the second bending part is 15cm-40cm, and the bending radius of the third bending part is the same as that of the second bending part.

And dividing the pipe body into a first bent pipe and a second bent pipe by taking the joint of the second bending part and the third bending part as a boundary, wherein the first bent pipe is rotatably connected with the second bent pipe.

And a sealing part is also arranged at the joint of the first bent pipe and the second bent pipe.

The sealing component comprises a clamp and a rubber sealing strip arranged on the inner side of the clamp.

The pipe body is characterized in that a plurality of pits are uniformly distributed on the inner wall of the pipe body, each pit is a sunken arc surface, the diameter of each pit is 2-5 mm, and the depth of each pit is 0.2-0.3 mm.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

in this scheme, the setting of first bending, second bending and third bending makes gaseous gravitational potential energy and the effect of centripetal force that can make full use of self when flowing in the body, has reduced the kinetic energy loss of gaseous when flowing in the body, has optimized the gas transportation performance of body. The arrangement of the rotary connection between the first elbow pipe and the second elbow pipe enables the pipe body to carry out gas conveying between the gas supply mechanism and the gas collection mechanism which are different in various relative positions, and the applicability is greatly improved. The sealing component improves the sealing performance of the joint between the first bent pipe and the second bent pipe, avoids gas leakage from the joint when the gas is conveyed in the pipe body, and optimizes the gas conveying performance of the pipe body.

Drawings

FIG. 1 is a schematic structural view of a multi-angle bent pipe according to the present invention;

FIG. 2 is a schematic structural view of a multi-angle bent pipe according to the present invention;

fig. 3 is a schematic structural diagram of the multi-angle elbow pipe of the present invention.

In the figure, 1, an air supply mechanism; 2. a gas collection mechanism; 3. a pipe body; 4. an air supply port; 5. an air collection port; 6. a first connection port; 7. a second connection port; 8. a first bend; 9. a second bend; 10. a third bend; 11. a sealing member; 12. clamping a hoop; 13. a rubber seal strip; 14. a pit; 15. a first bend pipe; 16. a second bend.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 3, a multi-angle elbow comprises an air supply mechanism 1, an air collection mechanism 2 and a pipe body 3, wherein an air supply port 4 is arranged on one side surface of the air supply mechanism 1, an air collection port 5 is arranged on one side surface of the air collection mechanism 2, the pipe body 3 comprises a first connecting port 6 and a second connecting port 7, the first connecting port 6 is communicated with the air supply port 4, the second connecting port 7 is communicated with the air collection port 5, and the pipe body 3 conveys air supplied by the air supply mechanism 1 to the air collection mechanism 2.

Referring to fig. 1 to 3, the air supply mechanism 1 is located at one side of the air collection mechanism 2, the height of the air supply mechanism 1 is higher than that of the air collection mechanism 2, and the air supply port 4 and the air collection port 5 are arranged in the same direction; the cross section of the pipe body 3 is circular, the inner diameter of the pipe body 3 is kept unchanged along the length direction of the pipe body 3, the air supply port 4, the air collection port 5, the first connecting port 6 and the second connecting port 7 are all circular openings with the same inner diameter as that of the pipe body 3, the central axis of the air supply port 4 is arranged in parallel with the horizontal plane, and the air supply port 4 and the air collection port 5 are arranged in parallel;

the direction that extends to second connector 7 from first interface 6 on the body 3 has set gradually first bending 8, second bending 9 and third bending 10, the body 3 is at first bending 8 along vertical face downward bending, the bending angle of first bending 8 is 110-160, the bending angle of second bending 9 is 90, the axis of the body 3 lies in the terminal cross section of second bending 9 and the axis of gas collection mouth 5 cross section is located the same horizontal plane, the bending angle of third bending 10 is 90, the end of second bending 9 is connected with the initiating terminal of third bending 10. Because the height of the air supply mechanism 1 is higher than that of the air collection mechanism 2, the first bend 8 is arranged to ensure that when the air enters the pipe body 3 from the air supply opening 4 and passes through the first bend 8, the gas can convert a part of gravitational potential energy of the gas into kinetic energy during flowing, the gas conveying performance of the pipe body 3 is optimized, the gas flows to the second bending part 9 under the action of the converted kinetic energy, the tail end of the second bending part 9 is in smooth transition with the starting end of the third bending part 10, and the second bend 9 is connected to the third bend 10 in an approximately semicircular shape as viewed in the vertical direction, due to the arrangement, the action of centripetal force can be fully utilized when the gas flows through the second bend 9 and the third bend 10, the kinetic energy loss of the gas flowing in the pipe body 3 is further reduced, and the gas conveying performance of the pipe body 3 is optimized.

Referring to fig. 1, the diameter of the tubular body 3 is 5cm to 8cm, the radius of curvature of the first bend 8 is 15cm to 35cm, the radius of curvature of the second bend 9 is 15cm to 40cm, and the radius of curvature of the third bend 10 is the same as the radius of curvature of the second bend 9. The first bend 8, the second bend 9 and the third bend 10 are all smooth circular arcs, and the state of the gas flowing in the pipe body 3 is further optimized by adopting the above-mentioned various bending parameter settings, which is helpful for reducing the kinetic energy loss of the gas flowing.

Referring to fig. 1, the tube 3 is divided into a first bend 15 and a second bend 16 by the junction of the second bend 9 and the third bend 10, and the first bend 15 and the second bend 16 are rotatably connected. The arrangement of the rotary connection between the first elbow 15 and the second elbow 16 enables the pipe body 3 to carry out gas transportation between the gas supply mechanism 1 and the gas collection mechanism 2 with different relative positions, thereby greatly improving the applicability.

Referring to fig. 1 and 3, a sealing member 11 is further provided at the junction of the first and

second bent tubes

15 and 16, and the sealing member 11 includes a yoke 12 and a rubber sealing strip 13 provided inside the yoke 12. The sealing component 11 improves the sealing performance of the joint between the first elbow 15 and the second elbow 16, avoids gas leakage from the joint when the gas is conveyed in the pipe body 3, and optimizes the gas conveying performance of the pipe body 3. Fix rubber seal strip 13 at the junction and seal through clamp 12 when sealing up the junction of first return bend 15 and second return bend 16, clamp 12 and rubber seal strip 13 set up simple structure, have optimized the operation that the staff sealed the junction between first return bend 15 and the second return bend 16 for it is more convenient to seal.

Referring to the attached figure 2, a plurality of pits 14 are uniformly distributed on the inner wall of the pipe body 3, each pit 14 is a sunken arc surface, the diameter of each pit 14 is 2mm-5mm, and the depth of each pit 14 is 0.2mm-0.3 mm. Preferably, the depth of the pit 14 is set to 0.25 mm. The plurality of pits 14 are formed in the pipe body 3, and the shape and arrangement of the pits 14 are similar to those of the pits 14 on the surface of a golf ball, so that a golf ball effect is generated between the gas and the pipe body 3 when the gas flows in the pipe body 3.

The working principle is as follows:

the gas flows out from the gas supply port 4 on the gas supply mechanism 1, enters the first elbow pipe 15 through the first connecting port 6, then flows through the first bending part 8 and the second bending part 9, enters the second elbow pipe 16 from the starting end of the third bending part 10, finally flows out from the second elbow pipe 16 through the second connecting port 7, and enters the gas collection mechanism 2 through the gas collection port 5, the first connecting port 6 is connected with the gas supply port 4 in a welding mode, and the second connecting port 7 is connected with the gas collection port 5 in a welding mode. Because the height of the air supply mechanism 1 is higher than that of the air collection mechanism 2, the first bend 8 is arranged to ensure that when the air enters the pipe body 3 from the air supply opening 4 and passes through the first bend 8, the gas can convert a part of gravitational potential energy of the gas into kinetic energy during flowing, the gas conveying performance of the pipe body 3 is optimized, the gas flows to the second bending part 9 under the action of the converted kinetic energy, the tail end of the second bending part 9 is in smooth transition with the starting end of the third bending part 10, and the second bend 9 is connected to the third bend 10 in an approximately semicircular shape as viewed in the vertical direction, due to the arrangement, the action of centripetal force can be fully utilized when the gas flows through the second bend 9 and the third bend 10, the kinetic energy loss of the gas flowing in the pipe body 3 is further reduced, and the gas conveying performance of the pipe body 3 is optimized.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides a multi-angle return bend, is including supplying gas mechanism (1), gas collection mechanism (2) and body (3), a side of supplying gas mechanism (1) is provided with air feed (4), a side of gas collection mechanism (2) is provided with gas collection mouth (5), body (3) are including first connector (6) and second connector (7), first connector (6) with air feed (4) intercommunication, second connector (7) with gas collection mouth (5) intercommunication, body (3) will the gas delivery that air feed mechanism (1) sent out extremely in gas collection mechanism (2), its characterized in that: the air supply mechanism (1) is positioned on one side of the air collection mechanism (2), the height of the air supply mechanism (1) is higher than that of the air collection mechanism (2), and the air supply port (4) and the air collection port (5) are arranged towards the same direction; the cross section of the pipe body (3) is circular, the inner diameter of the pipe body (3) is kept unchanged along the length direction of the pipe body (3), the air supply port (4), the air collection port (5), the first connecting port (6) and the second connecting port (7) are all circular openings with the same inner diameter as that of the pipe body (3), the central axis of the air supply port (4) is arranged in parallel with the horizontal plane, and the air supply port (4) and the air collection port (5) are arranged in parallel;

the direction that follows on body (3) first connector (6) extends to second connector (7) has set gradually first bending department (8), second bending department (9) and third bending department (10), body (3) are in first bending department (8) are along vertical downward bending, the bending angle of first bending department (8) is 110-160, the bending angle of second bending department (9) is 90, body (3) are located the axis of the terminal cross section of second bending department (9) with the axis of gas collection mouth (5) cross section is located same horizontal plane, the bending angle of third bending department (10) is 90, the end of second bending department (9) with the initiating terminal of third bending department (10) is connected.

2. The multi-angle elbow pipe according to claim 1, wherein: the diameter of the pipe body (3) is 5cm-8cm, the bending radius of the first bending part (8) is 15cm-35cm, the bending radius of the second bending part (9) is 15cm-40cm, and the bending radius of the third bending part (10) is the same as that of the second bending part (9).

3. The multi-angle elbow pipe according to claim 1, wherein: the connecting part of the second bending part (9) and the third bending part (10) is used as a boundary to divide the pipe body (3) into a first bent pipe (15) and a second bent pipe (16), and the first bent pipe (15) is rotatably connected with the second bent pipe (16).

4. The multi-angle elbow pipe according to claim 3, wherein: the joint of the first elbow (15) and the second elbow (16) is also provided with a sealing part (11).

5. The multi-angle elbow pipe according to claim 4, wherein: the sealing component (11) comprises a clamp (12) and a rubber sealing strip (13) arranged on the inner side of the clamp (12).

6. The multi-angle elbow pipe according to claim 1, wherein: the pipe is characterized in that a plurality of pits (14) are uniformly distributed on the inner wall of the pipe body (3), each pit (14) is a sunken arc surface, the diameter of each pit (14) is 2-5 mm, and the depth of each pit (14) is 0.2-0.3 mm.