CN220818124U - Vortex tube with anti-icing and anti-blocking functions - Google Patents

Abstract

The utility model relates to a vortex tube with an anti-icing and anti-blocking function, which comprises a vortex shell, wherein a vortex cavity is formed in the vortex shell, an air inlet communicated with the vortex cavity is formed in the side wall of the vortex shell, one end of the vortex shell is provided with a heat flow tube communicated with the vortex cavity, and the vortex tube further comprises a vortex generator accommodated in the vortex cavity; according to the vortex flow generator, the vortex flow cavity is used for accommodating the vortex flow generator, compressed air enters the circulation cavity through the air inlet and forms a vortex in the hot flow pipe, hot flow gas is led out through the hot flow pipe, cold flow is led out reversely through the cold flow channel, in the hot flow guiding process, due to the pressure in the hot flow pipe, part of hot flow gas at the outer side is led into the return flow channel through the return pipe and then enters the primary preheating cavity, the phenomenon of ice blockage caused by the occurrence of ice condensation of the cold flow pipe under the cold flow effect is avoided, and the position of the vortex flow generator in the vortex flow cavity is adjusted by adjusting the depth of the adjusting shell sinking into the installation shell, so that the vortex flow generation strength is adjusted, and the application range is wider.

Description

Vortex tube with anti-icing and anti-blocking functions

Technical Field

The utility model relates to the technical field of vortex tubes, in particular to a vortex tube with an anti-icing and anti-blocking function.

Background

The vortex tube is an energy separation device with a simple structure, and generates low-temperature airflow by injecting compressed air. After compressed air is injected into the vortex chamber of the vortex tube, the air flows to the hot end tube in a vortex rotation mode, two air flows with opposite directions are formed when the vortex flows at a high speed, the heat flows flow out from the hot end of the vortex tube, a part of the air flows out through the control valve, after the rest air is blocked, the inner ring of the original air flows reversely rotate at the same rotating speed and flow to the cold end of the vortex tube, in the process, the two air flows generate heat exchange, the inner ring of the air flows become very cold, flow out from the cold end of the vortex tube, and the outer ring of the air flows become very hot, and flow out from the hot end of the vortex tube.

The existing vortex tube has the defects that the temperature of the cold air end is low, moisture is contained in circulating air, condensation can occur at the cold air end, icing blockage is caused, the use of the vortex tube is affected, most of the vortex tube is of a fixed structure, the vortex is inconvenient to adjust according to the use requirement, different cold flow effects are obtained, and the use is limited. Therefore, in order to solve the above problems, a vortex tube with anti-blocking function is proposed.

Disclosure of utility model

The utility model aims to provide a vortex tube with an anti-ice blocking function, which solves the problems that the vortex tube is easy to be blocked by ice, affects the use and is inconvenient to adjust the vortex according to the use requirement in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the vortex tube with the anti-ice blocking function comprises a vortex shell, wherein a vortex cavity is formed in the vortex shell, an air inlet communicated with the vortex cavity is formed in the side wall of the vortex shell, a heat flow tube communicated with the vortex cavity is arranged at one end of the vortex shell, and the vortex tube further comprises a vortex generator accommodated in the vortex cavity;

The vortex generator comprises a vortex generating body which is in sliding fit with the vortex cavity, a circulation cavity is formed between the outer wall of the vortex generating body, which is close to one end of the hot flow pipe, and the inner wall of the vortex cavity, the circulation cavity is communicated with the air inlet and the hot flow pipe, a through cold flow channel is formed in the middle of the vortex generating body, and a cold flow pipe extending the cold flow channel is arranged on one side of the vortex generating body, which is away from the hot flow pipe;

The one end of the vortex shell, which is away from the hot flow pipe, is sunk into the installation shell, the installation shell is internally screwed into the adjustment shell through threads, the one end of the cold flow pipe, which is away from the hot flow pipe, penetrates through the installation shell and is connected with the adjustment shell, and a primary preheating cavity which is distributed between the adjustment shell and the installation shell is arranged on the outer side of the cold flow pipe;

The outer wall of vortex shell has seted up the backward flow passageway, the one end of backward flow passageway is connected with the back flow, the one end and the hot flow pipe intercommunication of back flow deviating from the vortex shell, the other end and the one-level of backward flow passageway preheat the chamber intercommunication.

Preferably, an inner guide table is formed on the end face of one side of the vortex generating body, which is close to the thermal flow pipe, a plurality of outer guide tables which are distributed in a ring shape are arranged on the outer side of the inner guide table, and a vortex generating groove which is communicated with the circulation cavity and the thermal flow pipe is formed between the inner guide table and the outer guide table.

Preferably, one end of the heat flow pipe deviating from the vortex generator is detachably connected with a heat flow joint, an inner hole with one end open is formed in the heat flow joint, a branch port communicated with the return pipe is formed in the inner hole of the heat flow joint, one end of the heat flow joint extending into the inner cavity of the heat flow pipe is formed with a diversion surface matched with cold flow, and a diversion hole for discharging heat flow is formed in the outer wall of the heat flow joint.

Preferably, the outer wall of the vortex shell is screwed with a flow regulating piece, and one end of the flow regulating piece screwed into the vortex shell extends into the backflow channel.

Preferably, one end threaded connection that the regulation shell deviates from the installation shell has the cold flow to connect, the cold flow connects the one end that stretches into the regulation shell and cold flow pipe intercommunication, set up the annular in the regulation shell and distribute the second grade that preheats the chamber at cold flow joint outer wall, set up the intercommunicating pore that feeds through one-level preheating chamber and second grade preheating chamber in the regulation shell.

Preferably, the exhaust holes are annularly distributed at one end of the adjusting shell, which is away from the mounting shell, and the exhaust holes are communicated with the secondary preheating cavity.

The utility model has at least the following beneficial effects:

1. according to the vortex generator, the vortex cavity is used for accommodating the vortex generator, compressed air enters the circulation cavity through the air inlet and forms a vortex in the hot flow pipe, hot flow gas is led out through the hot flow pipe, cold flow is led out reversely through the cold flow channel, in the hot flow guiding process, due to the pressure in the hot flow pipe, part of hot flow gas at the outer side is led into the return flow channel through the return pipe and then enters the primary preheating cavity, ice blockage caused by the cold flow pipe under the cold flow effect is avoided, the vortex generator is connected through the cooperation of the installation shell and the adjustment shell, the position of the adjustment shell in the installation shell is adjusted through adjusting the depth of the adjustment shell in the vortex cavity, and therefore the vortex generation intensity is adjusted, compared with the condition that the intensity of the compressed air is changed, the vortex generator is more convenient to adjust and has wider application range;

2. According to the utility model, the flow regulating piece is screwed into the depth of the vortex shell, so that the opening and closing of the backflow channel and the intensity of heat flow backflow are regulated, the primary preheating cavity and the secondary preheating cavity are further divided into the heat flow entering the primary preheating cavity and the secondary preheating cavity through the communication hole, and meanwhile, the heat flow is discharged through the exhaust hole, so that ice blockage of a cold flow joint and a cold flow pipe can be avoided after the primary preheating cavity and the secondary preheating cavity are preheated, and meanwhile, poor cold flow quality and poor cold flow effect caused by overhigh branch pressure and heat deposition of the heat flow are avoided.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the present utility model in full section;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2;

fig. 4 is a schematic perspective view of a vortex generator.

In the reference numerals: 1. a vortex shell; 2. a vortex chamber; 3. an air inlet; 4. a vortex generator; 41. a vortex generator; 42. a cold flow channel; 43. an inner guide table; 44. an outer guide table; 45. a vortex generating groove; 46. a clamping table; 47. a cold flow tube; 5. a circulation cavity; 6. a thermal flow tube; 7. a heat flow joint; 8. a flow guiding surface; 9. a diversion aperture; 10. a mounting shell; 11. an adjustment housing; 12. a connecting piece; 13. cold flow joint; 14. a return passage; 15. a return pipe; 16. a branching port; 17. a primary preheating cavity; 18. a deflector aperture; 19. a communication hole; 20. a secondary preheating chamber; 21. an exhaust hole; 22. a flow rate adjusting member; 23. a sealing gasket; 24. and a positioning piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, the present utility model provides a technical solution: the vortex tube with the anti-ice blocking function comprises a vortex shell 1, wherein a vortex cavity 2 is formed in the vortex shell 1, an air inlet 3 communicated with the vortex cavity 2 is formed in the side wall of the vortex shell 1, one end of the vortex shell 1 is provided with a heat flow tube 6 communicated with the vortex cavity 2, the vortex tube further comprises a vortex generator 4 accommodated in the vortex cavity 2, and specifically, the outer wall of the vortex generator 4 is in shaft hole fit with the inner wall of the vortex cavity 2;

The vortex generator 4 comprises a vortex generator 41 in sliding fit with the vortex cavity 2, a circulation cavity 5 is formed between the outer wall of one end, close to the hot flow pipe 6, of the vortex generator 41 and the inner wall of the vortex cavity 2, the vortex generator 41 is in a stepped shaft shape, the shaft section of the largest outer diameter part is matched with the shaft hole of the vortex cavity 2, the circulation cavity 5 is communicated with the air inlet 3 and the hot flow pipe 6, a through cold flow channel 42 is formed in the middle part of the vortex generator 41, and a cold flow pipe 47 extending the cold flow channel 42 is arranged on one side, away from the hot flow pipe 6, of the vortex generator 41;

the vortex shell 1 is sunk into the installation shell 10 at one end far away from the hot flow pipe 6, the installation shell 10 stretches into one end of the vortex shell 1 to be matched with the shaft hole of the inner wall of the vortex cavity 2, the other end of the installation shell 10 is connected with the vortex shell 1 through a positioning piece 24, the installation shell 10 is internally screwed into the adjusting shell 11 through threads, the inner wall of a counter bore of the installation shell 10 is provided with internal threads, the outer wall of one end of the adjusting shell 11 stretching into the counter bore of the installation shell 10 is provided with external threads, the adjusting shell 11 is connected with the installation shell 10 through threads, one end of the cold flow pipe 47 stretches out of the hot flow pipe 6 to penetrate through the installation shell 10 and be connected with the adjusting shell 11, one end of the counter bore of the adjusting shell 11 is screwed into a connecting piece 12 through threads in the radial direction, the cold flow pipe 47 penetrates through the installation shell 10 and stretches into one end of the adjusting shell 11 to be connected with the connecting piece 12, the outer side of the cold flow pipe 47 is provided with a primary preheating cavity 17 distributed between the adjusting shell 11 and the installation shell 10, and the primary preheating cavity 17 is provided with annular grooves arranged on the inner end face of the counter bore of the installation shell 10, and the primary preheating cavity 47 is distributed on the outer side of the cold flow pipe 47 in an annular way;

the outer wall of the vortex shell 1 is provided with a return channel 14, one end of the return channel 14 is connected with a return pipe 15, one end of the return pipe 15 deviating from the vortex shell 1 is communicated with the heat flow pipe 6, the other end of the return channel 14 is communicated with a primary preheating cavity 17, and specifically, the outer wall of the installation shell 10 is provided with a guide hole 18, and two ends of the guide hole 18 are respectively communicated with the return channel 14 and the primary preheating cavity 17.

Further, the heat flow pipe 6 is detachably connected with the heat flow joint 7 deviating from one end of the vortex generator 4, an inner hole with one open end is formed in the heat flow joint 7, specifically, the heat flow joint 7 is in a stepped shaft shape, the opening of the inner hole is located at one end of the heat flow pipe 6, a branch opening 16 communicated with the return pipe 15 is formed in the inner hole of the heat flow joint 7, specifically, the branch opening 16 is radially formed in the outer wall of the heat flow joint 7 and is communicated with the inner hole of the heat flow joint 7 and the return pipe 15, a diversion hole 9 for discharging heat flow is formed in one end of the heat flow joint 7 extending into the inner cavity of the heat flow pipe 6, specifically, the diversion hole 9 is used for communicating the inner cavity of the heat flow pipe 6 with the inner hole of the heat flow joint 7, vortex can be blocked through the heat flow joint 7, the path of cold flow is limited by the diversion hole 8, heat flow is led out through the inner hole of the heat flow joint 7, and meanwhile, a part of heat flow is diverted into the return pipe 15.

Further, the flow regulating member 22 is screwed into the outer wall of the vortex shell 1, one end of the flow regulating member 22 screwed into the vortex shell 1 extends into the backflow channel 14, and the opening and closing of the backflow channel 14 and the intensity of heat flow backflow can be regulated by adjusting the depth of the flow regulating member 22 screwed into the vortex shell 1.

In the embodiment, the vortex generator 4 is accommodated through the vortex cavity 2, the vortex generator 4 is connected through the matching of the installation shell 10 and the adjustment shell 11, compressed air enters the circulation cavity 5 through the air inlet 3, a high-speed vortex is formed in the hot flow pipe 6, hot flow gas is led out through the hot flow pipe 6 and the hot flow joint 7, and cold flow is led out reversely through the cold flow channel 42;

In the heat flow guiding process, due to the pressure in the heat flow pipe 6, part of heat flow gas at the outer side is guided into the return pipe 15 through the branch port 16, and then is guided into the return channel 14 through the return pipe 15, and then enters the primary preheating cavity 17, so that the phenomenon of ice blockage caused by ice condensation of the cold flow pipe 47 under the cold flow action is avoided, and the opening and closing of the return channel 14 and the intensity of heat flow return are regulated by adjusting the depth of the flow regulating piece 22 screwed into the vortex shell 1;

The adjusting shell 11 is adjusted to be sunk into the installation shell 10, so that the position of the vortex generator 4 in the vortex cavity 2 is adjusted, the vortex generation strength is adjusted, and compared with the strength of the compressed air, the adjusting is more convenient, and the application range is wider.

Example two

Referring to fig. 1-4, the first embodiment is different in that:

Further, the vortex generating body 41 is formed with an inner guiding table 43 near one side end face of the thermal flow tube 6, a plurality of annular outer guiding tables 44 are arranged on the outer side of the inner guiding table 43, vortex generating grooves 45 which are communicated with the circulation cavity 5 and the thermal flow tube 6 are formed between the inner guiding table 43 and the outer guiding table 44, specifically, the vortex generating grooves 45 are in a vortex shape, compressed gas introduced into the circulation cavity 5 through the air inlet 3 is led into the vortex generating grooves 45 formed between the outer guiding table 44 and the inner guiding table 43, and a vortex rotating at a high speed is formed in the thermal flow tube 6.

Further, the end face of one side shaft shoulder of the vortex generating body 41 deviating from the vortex generating groove 45 is provided with a clamping table 46, the clamping table 46 is sleeved with a sealing gasket 23 matched with the inner wall of the vortex cavity 2, and the sealing gasket 23 can be matched with the inner wall of the vortex cavity 2, so that the sealing effect of cavities on two sides of the vortex generating body 41 is further improved, high-precision machining is not required on the inner wall of the vortex cavity 2 and the outer wall of the vortex generating body 41, the production cost is reduced, and the machining efficiency is effectively improved.

In this embodiment, compressed gas introduced into repaying gifts cavity through air inlet 3 is guided and swirled through vortex generating groove 45 formed between outer guide table 44 and inner guide table 43, and simultaneously, under the pressure effect, a vortex rotating at high speed is formed in hot flow pipe 6, after the hot flow and cold flow are layered, the air flow forms two air flows of cold flow, hot flow and opposite direction under the action of vortex, and forms obvious separation through inner guide table 43, compared with the traditional vortex tube, vortex generating effect and quality are more excellent, and under the action of sealing gasket 23, the sealing performance in circulation cavity 5 can be effectively ensured, and high-precision processing is not required to be performed on the inner wall of vortex cavity 2 and the outer wall of vortex generating body 41, so that production cost is reduced, and processing efficiency is effectively improved.

Example III

Referring to fig. 1-3, the difference between the first or second embodiment is that:

Further, the one end threaded connection that the regulation shell 11 deviates from installation shell 10 has cold flow to connect 13, cold flow connects 13 stretches into the one end and the cold flow pipe 47 intercommunication that the regulation shell 11 stretched into, set up the annular and distribute in cold flow to connect 13 outer wall's second grade preheating chamber 20 in adjusting shell 11, set up the intercommunicating pore 19 that communicates first order preheating chamber 17 and second grade preheating chamber 20 in adjusting shell 11, concretely, intercommunicating pore 19 is equipped with a plurality of to annular distribution is in adjusting shell 11, can preheat first order preheating chamber 17 and second grade preheating chamber 20 through intercommunicating pore 19, and then will get into the heat flow that the first order preheated intracavity 17 shunts to the second grade preheating chamber 20 in, heats cold flow to connect 13, avoids cold flow to connect 13 supercooling to cause to condense and ice to stop up.

Further, the exhaust hole 21 is annularly distributed at one end of the adjusting shell 11, which is far away from the mounting shell 10, and the exhaust hole 21 is communicated with the secondary preheating cavity 20, so that heat flow can be discharged through the exhaust hole 21, and the condition that the cold flow quality and effect are poor due to overhigh pressure and heat deposition in the primary preheating cavity 17 and the secondary preheating cavity 20 is avoided.

In this embodiment, the hot air entering the primary preheating chamber 17 is led into the secondary preheating chamber 20 through the communication hole 19, the heat in the primary preheating chamber 17 is dispersed to the cold flow joint 13 and discharged through the exhaust hole 21, and after the branched hot flow flows through the primary preheating chamber 17 and the secondary preheating chamber 20, the cold flow joint 13 and the cold flow pipe 47 are slightly heated, so that condensation and ice blockage caused by supercooling of the cold flow joint 13 are avoided, and meanwhile, excessive pressure and heat deposition in the primary preheating chamber 17 and the secondary preheating chamber 20 are avoided, so that cold flow quality and effect are poor.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a vortex tube with anti-icing stifled function, includes vortex shell (1), be formed with vortex chamber (2) in vortex shell (1), the lateral wall of vortex shell (1) is equipped with air inlet (3) of intercommunication vortex chamber (2), the one end of vortex shell (1) is equipped with heat flow pipe (6) of intercommunication vortex chamber (2), its characterized in that: the vortex generator (4) is accommodated in the vortex cavity (2);

The vortex generator (4) comprises a vortex generating body (41) which is in sliding fit with the vortex cavity (2), a circulation cavity (5) is formed between the outer wall of the vortex generating body (41) close to one end of the hot flow pipe (6) and the inner wall of the vortex cavity (2), the circulation cavity (5) is communicated with the air inlet (3) and the hot flow pipe (6), a through cold flow channel (42) is formed in the middle of the vortex generating body (41), and a cold flow pipe (47) extending the cold flow channel (42) is arranged on one side of the vortex generating body (41) away from the hot flow pipe (6);

One end of the vortex shell (1) deviating from the hot flow pipe (6) is sunk into the installation shell (10), the installation shell (10) is internally screwed into the adjusting shell (11) through threads, one end of the cold flow pipe (47) deviating from the hot flow pipe (6) penetrates through the installation shell (10) and is connected with the adjusting shell (11), and a primary preheating cavity (17) distributed between the adjusting shell (11) and the installation shell (10) is arranged on the outer side of the cold flow pipe (47);

The outer wall of vortex shell (1) has seted up backflow channel (14), the one end of backflow channel (14) is connected with back flow (15), the one end that back flow (15) deviate from vortex shell (1) is linked together with hot flow pipe (6), the other end and the one-level of backflow channel (14) preheat chamber (17) intercommunication.

2. The vortex tube with anti-icing and anti-blocking function as claimed in claim 1, wherein: an inner guide table (43) is formed on the end face of one side, close to the heat flow pipe (6), of the vortex generating body (41), a plurality of outer guide tables (44) distributed in a ring shape are arranged on the outer side of the inner guide table (43), and a vortex generating groove (45) which is communicated with the circulation cavity (5) and the heat flow pipe (6) is formed between the inner guide table (43) and the outer guide table (44).

3. The vortex tube with anti-icing and anti-blocking function as claimed in claim 1, wherein: the one end that heat flow pipe (6) deviate from vortex generator (4) is dismantled and is connected with heat flow joint (7), be formed with one end open-ended hole in heat flow joint (7), the hole that heat flow joint (7) is equipped with branch mouth (16) with back flow (15) intercommunication, the one end that heat flow joint (7) stretched into heat flow pipe (6) inner chamber is formed with and cold flow complex guide surface (8), the external wall that heat flow joint (7) offered and is used for heat flow exhaust reposition of redundant personnel hole (9).

4. The vortex tube with anti-icing and anti-blocking function as claimed in claim 1, wherein: the outer wall screw thread of vortex shell (1) has flow control spare (22), flow control spare (22) screw in one end of vortex shell (1) stretches into in backflow channel (14).

5. The vortex tube with anti-icing and anti-blocking function as claimed in claim 1, wherein: one end threaded connection that regulation shell (11) deviate from installation shell (10) has cold flow joint (13), cold flow joint (13) stretch into the one end and the cold flow pipe (47) intercommunication of regulation shell (11), set up annular distribution in regulation shell (11) and preheat chamber (20) at the second grade of cold flow joint (13) outer wall, set up in regulation shell (11) and communicate one-level preheating chamber (17) and second grade and preheat communication hole (19) of chamber (20).

6. The vortex tube with anti-icing and anti-blocking function of claim 5, wherein: one end of the adjusting shell (11) deviating from the mounting shell (10) is annularly provided with an exhaust hole (21), and the exhaust hole (21) is communicated with the secondary preheating cavity (20).