CN210034745U

CN210034745U - Gas flow pipeline and gas treatment equipment

Info

Publication number: CN210034745U
Application number: CN201920406687.7U
Authority: CN
Inventors: 麦映辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-02-07
Anticipated expiration: 2029-03-27

Abstract

The utility model relates to the technical field of gas treatment equipment, and provides an airflow pipeline and gas treatment equipment, which comprises an outer pipe, wherein the outer pipe is provided with a first air inlet and a first air outlet; the airflow pipeline also comprises an inner pipe which is arranged on the outer pipe and has the same extension direction with the outer pipe, the outer pipe is sleeved outside the inner pipe, and the inner pipe is respectively communicated with the first air inlet and the first air outlet to form an airflow channel; an air chamber is formed between the outer wall of the inner pipe and the inner wall of the outer pipe, the air chamber is provided with an opening facing the downstream direction of the air flow channel, a pore channel is formed in the side wall of the inner pipe, the air inlet end of the pore channel is communicated with the air chamber, and the air outlet end of the pore channel is communicated with the air flow channel. When the reverse airflow reaches the opening of the air chamber, part of the reverse airflow enters the air chamber from the opening and is buffered by the air chamber, and the reverse airflow entering the air chamber is discharged into the airflow channel from the pore channel communicated with the air chamber, so that the reverse airflow is weakened.

Description

Gas flow pipeline and gas treatment equipment

Technical Field

The utility model belongs to the technical field of gas treatment equipment, more specifically say, relate to an air flow pipeline and gas treatment equipment.

Background

Gas is generally conveyed by using a gas pipe in the conveying process, however, when the gas at the gas outlet of the gas pipe is suddenly blocked (for example, a valve in the gas pipe is suddenly changed from opening to closing), reverse gas flow can be generated; when the blockage is removed (e.g., a valve in the trachea suddenly reopens), the reverse flow can affect the delivery of gas in the trachea.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air flow pipeline to the inside gas of trachea that exists among the solution prior art receives the technical problem that the retardation produces reverse air current and influences gaseous normal transport.

In order to achieve the above object, the utility model adopts the following technical scheme: providing an airflow duct comprising an outer tube having a first air inlet and a first air outlet; the airflow pipeline also comprises an inner pipe which is arranged on the outer pipe and has the same extension direction with the outer pipe, the outer pipe is sleeved outside the inner pipe, and the inner pipe is respectively communicated with the first air inlet and the first air outlet to form an airflow channel; an air chamber is formed between the outer wall of the inner pipe and the inner wall of the outer pipe, the air chamber is provided with an opening facing the downstream direction of the air flow channel, a pore canal is formed in the side wall of the inner pipe, the air inlet end of the pore canal is communicated with the air chamber, and the air outlet end of the pore canal is communicated with the air flow channel.

Furthermore, the air outlet direction of the air outlet end of the pore channel and the air flow direction of the air flow channel at the air outlet end form an acute angle.

Further, the portholes extend in a straight direction.

Further, the cross section of the pore canal is circular.

Further, the cross section of the opening is gradually increased in the airflow direction of the airflow passage.

Further, the inner tube includes a first end and a second end; the first end is located upstream of the second end in a direction of gas flow in the gas flow passage; the first end is fixed on the inner wall of the outer tube.

Further, the number of the pore passages is multiple.

Furthermore, a plurality of pore canals are uniformly distributed on the side wall of the inner pipe.

The utility model also provides a gas treatment device, which comprises a gas processing device, wherein the gas processing device is provided with a second gas inlet and a second gas outlet; the gas treatment equipment further comprises two gas flow pipelines, wherein a first gas outlet of one gas flow pipeline is communicated with the second gas inlet, and a first gas inlet of the other gas flow pipeline is communicated with the second gas outlet.

Further, the gas processing device is a compressor or an internal combustion engine.

The utility model provides an airflow pipeline's beneficial effect lies in: compared with the prior art, the utility model provides an airflow pipeline, the extension direction of outer tube and inner tube is the same, and the outer pipe box is established in the outside of inner tube, and the air current enters into the outer tube and exports from the first gas outlet of outer tube after passing the inner tube from the first air inlet of outer tube in order to form the air current passageway, and gas carries in order to form forward air current along the air current passageway; the inner pipe is arranged on the outer pipe, and an air chamber is formed between the outer wall of the inner pipe and the inner wall of the outer pipe and provided with an opening facing the downstream of the airflow channel; when the gas at the first gas outlet is blocked (for example, the valve at the first gas outlet is suddenly changed from opening to closing), the reverse gas flow generated at the first gas outlet reversely flows along the outer pipe, when the reverse gas flow reaches the opening of the gas chamber, part of the reverse gas flow enters the gas chamber from the opening and is buffered by the gas chamber, and the reverse gas flow entering the gas chamber is discharged into the gas flow channel from the pore channel communicated with the gas chamber, so that the reverse gas flow is weakened; the reduced reverse airflow reduces the effect on the forward airflow when the blockage at the first outlet is lost (e.g., the valve at the first outlet suddenly changes from closed to open). In addition, when the gas at the first gas outlet is blocked, after the reverse sound wave generated at the first gas outlet reaches the gas chamber, part of the reverse sound wave enters the gas chamber and then reaches the gas flow channel from the pore channel, so that the reverse sound wave is weakened, the noise is reduced, and the gas flow is stabilized. The gas flow conduit described above can also be applied to gas processing equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic cross-sectional structural view of an airflow pipeline provided in an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of a gas processing apparatus according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100-an air flow conduit; 200-a gas treatment facility; 1-an outer tube; 11-a first air inlet; 12-a first air outlet; 2-inner tube; 21-a first end; 22-a second end; 3-air chamber; 31-an opening; 32-pore channels; 4-an airflow channel; 5-a gas processing device; 51-a second air inlet; 52-second outlet.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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 be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the air flow duct of the present invention will now be described. The gas flow duct 100 comprises an outer tube 1, the outer tube 1 having a first gas inlet 11 and a first gas outlet 12; the airflow pipeline 100 further comprises an inner pipe 2 which is arranged on the outer pipe 1 and has the same extending direction as the outer pipe 1, the outer pipe 1 is sleeved outside the inner pipe 2, and the inner pipe 2 is respectively communicated with the first air inlet 11 and the first air outlet 12 to form an airflow channel 4; an air chamber 3 is formed between the outer wall of the inner tube 2 and the inner wall of the outer tube 1, the air chamber 3 is provided with an opening 31 facing the downstream direction of the air flow channel 4, a pore canal 32 is arranged on the side wall of the inner tube 2, the air inlet end (not shown) of the pore canal 32 is communicated with the air chamber 3, and the air outlet end (not shown) of the pore canal 32 is communicated with the air flow channel 4.

Thus, the extension directions of the outer tube 1 and the inner tube 2 are the same, the outer tube 1 is sleeved outside the inner tube 2, the airflow enters the outer tube 1 from the first air inlet 11 of the outer tube 1, passes through the inner tube 2 and then is output from the first air outlet 12 of the outer tube 1 to form an airflow channel 4, and the gas is conveyed along the airflow channel 4 to form a forward airflow; the inner tube 2 is arranged on the outer tube 1, an air chamber 3 is formed between the outer wall of the inner tube 2 and the inner wall of the outer tube 1, and the air chamber 3 is provided with an opening 31 facing the downstream of the airflow channel 4; when the gas at the first gas outlet 12 is blocked (for example, the valve at the first gas outlet 12 is suddenly changed from open to closed), the reverse gas flow generated at the first gas outlet 12 reversely flows along the outer tube 1, when the reverse gas flow reaches the opening 31 of the gas chamber 3, part of the reverse gas flow enters the gas chamber 3 from the opening 31 and is buffered by the gas chamber 3, and the reverse gas flow entering the gas chamber 3 is discharged from the duct 32 communicated with the gas chamber 3 to the gas flow channel 4, so that the reverse gas flow is weakened; when the blockage at the first outlet 12 disappears (e.g., the valve at the first outlet 12 suddenly changes from closed to open), the diminished reverse airflow reduces the effect on the forward airflow. In addition, when the gas at the first gas outlet 12 is blocked, after the reverse sound wave generated at the first gas outlet 12 reaches the gas chamber 3, part of the reverse sound wave enters the gas chamber 3 and reaches the gas flow channel 4 from the duct 32, so that the reverse sound wave is weakened, the noise is reduced, and the gas flow is stabilized.

Alternatively, in one embodiment, the outer tube 1 and the inner tube 2 are each round tubes. Of course, in other embodiments, the outer tube 1 and the inner tube 2 may also be square tubes or tubes of other shapes.

Optionally, in one embodiment, the outer tube 1 and the inner tube 2 are rigid tubes (rigid tubes: such as steel tubes, PVC tubes). In other embodiments, the outer tube 1 and the inner tube 2 may also be flexible tubes (flexible tubes: such as rubber tubes).

Alternatively, in one embodiment, the outer tube 1 and the inner tube 2 each have an axis and are coaxial with each other between the outer tube 1 and the inner tube 2, so that the gas in the gas flow channel 4 can be delivered more uniformly.

Optionally, in one embodiment, the length of the inner tube 2 is two and three times the inner diameter of the inner tube 2.

Further, referring to fig. 1, as a specific embodiment of the airflow pipeline provided by the present invention, the air outlet direction of the air outlet end of the duct 32 and the airflow direction of the airflow channel 4 at the air outlet end form an acute angle. In this way, the air in the air chamber 3 enters the pore canal 32 and is input into the air flow channel 4 from the air outlet end of the pore canal 32; because the gas outlet direction of the gas outlet end of the pore canal 32 and the gas flow direction at the gas outlet end in the gas flow channel 4 form an acute angle, a motion component exists in the direction of the gas flow channel 4 from the gas outlet end of the pore canal 32, and the interference of the gas from the gas outlet end of the pore canal 32 to the gas in the gas flow channel 4 is reduced.

Further, referring to fig. 1, as an embodiment of the air flow duct provided by the present invention, the duct 32 extends along a straight line. In this manner, the gas is relatively directionally stable as it is transported within the bore 32.

Further, referring to fig. 1, as an embodiment of the air flow duct provided by the present invention, the cross section of the duct 32 is circular. Thus, the circular hole is relatively easy to process.

Alternatively, in one embodiment, the aspect ratio of the cells 32 is greater than two.

Optionally, in one embodiment, the sum of the cross-sections of the individual portholes 32 is less than or equal to one third of the cross-section of the inner tube 2.

Further, referring to fig. 1, as an embodiment of the airflow duct provided by the present invention, the cross section of the opening 31 is gradually increased in the airflow direction of the airflow channel 4. Thus, when the reverse airflow reaches the opening 31, the reverse airflow can more easily reach the air cell 3 under the guidance of the opening 31.

Further, referring to fig. 1, as a specific embodiment of the airflow duct provided by the present invention, the inner tube 2 includes a first end 21 and a second end 22; the first end 21 is located upstream of the second end 22 in the direction of the gas flow in the gas flow channel 4; the first end 21 is fixed to the inner wall of the outer tube 1. In this way, the first end 21 located upstream of the air flow passage 4 is fixed to the outer tube 1, so that the inner tube 2 can maintain a more stable connection relationship with the outer tube 1 during the washing process of the inner tube 2 by the air flow.

Further, referring to fig. 1, as an embodiment of the airflow duct provided by the present invention, there are a plurality of openings 32. In this way, the gas in the gas chamber 3 can be more quickly introduced into the gas flow passage 4.

Further, referring to fig. 1, as a specific embodiment of the airflow duct provided by the present invention, a plurality of holes 32 are uniformly distributed on the side wall of the inner tube 2. The plurality of orifices 32 are uniformly distributed on the side wall of the inner tube 2, so that the gas in the gas chamber 3 can be uniformly output from the plurality of orifices 32 into the gas flow passage 4.

Referring to fig. 1 and 2, the present invention further provides a gas processing apparatus 200, comprising a gas processing device 5, wherein the gas processing device 5 has a second gas inlet 51 and a second gas outlet 52; the gas treatment device 200 further comprises two gas flow conduits 100, the first gas outlet 12 of one gas flow conduit 100 being in communication with the second gas inlet 51, and the first gas inlet 11 of the other gas flow conduit 100 being in communication with the second gas outlet 52. In this way, when a reverse airflow is generated in the airflow duct 100 communicating with the second air inlet 51, the airflow duct 100 can effectively eliminate the reverse airflow; when a reverse sound wave is generated in the airflow duct 100 communicated with the second air inlet 51, the airflow duct 100 can effectively eliminate the reverse sound wave; similarly, when a reverse airflow is generated in the airflow duct 100 communicated with the second air outlet 52, the airflow duct 100 can effectively eliminate the reverse airflow; when a reverse sound wave is generated in the air flow duct 100 communicating with the second air outlet 52, the air flow duct 100 can effectively cancel the reverse sound wave.

Further, referring to fig. 1 and fig. 2, as a specific embodiment of the gas processing device of the gas flow pipeline of the present invention, the gas processing device 5 is a compressor or an internal combustion engine. Specifically, in one embodiment, the compressor is a positive displacement compressor. In other embodiments, the gas processing device 5 may also be other gas processing equipment, such as gas heating, gas cooling, and the like, and is not limited herein.

Firstly, the method comprises the following steps: energy-saving, noise-reducing and power-improving. The influence of reverse airflow and reverse sound waves is reduced in the processes of air intake and air exhaust no matter in a compressor or an internal combustion engine; part of the reverse airflow and the reverse sound wave are changed into the forward airflow and the forward sound wave, so that the power output is increased, and the energy consumption is reduced.

Secondly, the method comprises the following steps: easy manufacture and high cost performance. The structure is simple, and the processing and the manufacturing can be realized without special materials and equipment.

Thirdly, the method comprises the following steps: and the compatibility with the related technology is good. During the use process, the common air pipe can be replaced by the air flow pipeline 100.

Fourthly: as an intake and exhaust manifold. There are complex sound waves in the compressor and the internal combustion engine, and the adoption of the air flow pipeline 100 can effectively reduce harmful sound waves and stabilize air flow.

Fifth, the method comprises the following steps: the refitted compressor is simple and easy to implement. The existing compressor is improved only by replacing the air inlet pipe and the air outlet pipe, and the compressor is very convenient.

Sixth: no other use cost. The airflow duct 100 has no moving parts and control units, and consumes no material and energy during use.

Seventh: the application is flexible. The air intake side and the exhaust side of the compressor or the internal combustion engine can be used alone or can be used at the same time.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Airflow pipeline, including the outer tube, the outer tube has first air inlet and first gas outlet, its characterized in that: the outer pipe is sleeved outside the inner pipe, and the inner pipe is communicated with the first air inlet and the first air outlet respectively to form an air flow channel; an air chamber is formed between the outer wall of the inner pipe and the inner wall of the outer pipe, the air chamber is provided with an opening facing the downstream direction of the air flow channel, a pore canal is formed in the side wall of the inner pipe, the air inlet end of the pore canal is communicated with the air chamber, and the air outlet end of the pore canal is communicated with the air flow channel.

2. The airflow duct of claim 1, wherein: the air outlet direction of the air outlet end of the pore channel and the air flow direction of the air flow channel at the air outlet end form an acute angle.

3. The airflow duct of claim 1, wherein: the portholes extend in a straight direction.

4. The airflow duct of claim 1, wherein: the cross section of the pore canal is circular.

5. The airflow duct of claim 1, wherein: the cross section of the opening is gradually increased in the airflow direction of the airflow passage.

6. The airflow duct of claim 1, wherein: the inner tube includes a first end and a second end; the first end is located upstream of the second end in a direction of gas flow in the gas flow passage; the first end is fixed on the inner wall of the outer tube.

7. The airflow duct of any one of claims 1-6, wherein: the number of the pore passages is multiple.

8. The airflow duct of claim 7, wherein: the pore canals are uniformly distributed on the side wall of the inner pipe.

9. A gas treatment apparatus comprising a gas processing device having a second gas inlet and a second gas outlet; the method is characterized in that: further comprising two air flow ducts according to any of claims 1 to 8, the first air outlet of one of the air flow ducts communicating with the second air inlet and the first air inlet of the other air flow duct communicating with the second air outlet.

10. The gas processing apparatus of claim 9, wherein: the gas processing device is a compressor or an internal combustion engine.