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CN-122015315-A - Cold flow system of vortex tube

CN122015315ACN 122015315 ACN122015315 ACN 122015315ACN-122015315-A

Abstract

The utility model provides a cold flow system of vortex tube, includes the back flow, the front end and the bleed air system intercommunication backward flow cold flow of back flow, the export of back flow is provided with the air pressure package that forms the air negative pressure, the radial outer lane of air pressure package is provided with the water conservancy diversion ring that carries out rotatory acceleration to the air current, one side of water conservancy diversion ring is provided with the wind pressure mouth of acceleration rate, the wind pressure mouth communicates with the air outlet through smooth passageway. The invention sets the air pressure bag to form air negative pressure to prevent the gas from flowing back. And arranging a guide ring, and rotationally accelerating the cold air flow after the negative pressure is accelerated around the air ring after the cold air flow enters the guide ring. The air pressure port is arranged, and cold air circulated in the guide ring is pressurized and accelerated through the air pressure port by utilizing the Bernoulli principle.

Inventors

  • HUANG TIANXU

Assignees

  • 宁波酷儿智能科技有限公司

Dates

Publication Date
20260512
Application Date
20241112

Claims (10)

  1. 1. The cold flow system of the vortex tube comprises a return pipe, wherein the front end of the return pipe is communicated with an air entraining system to reflux cold flow, and the cold flow system is characterized in that an air pressure bag for forming negative air pressure is arranged at an outlet of the return pipe, a guide ring for rotationally accelerating air flow is arranged on the radial outer ring of the air pressure bag, a wind pressure port for accelerating speed is arranged on one side of the guide ring, and the wind pressure port is communicated with an air outlet through a smooth channel.
  2. 2. A cold flow system of a vortex tube as set forth in claim 1 wherein said air pressure pack comprises a spherical wall and an end face, a negative pressure flow area being formed between said spherical wall and end face, said spherical wall being in communication with a return tube.
  3. 3. A cold flow system of a vortex tube as set forth in claim 2 wherein the passageway through which the air bag communicates with the deflector ring narrows in the direction of air flow.
  4. 4. The cold flow system of claim 1, wherein the wind pressure port is formed in a ring shape on a wall surface of the deflector ring.
  5. 5. The cold flow system of claim 4, wherein the inlet width of the air pressure port is greater than the outlet width of the air pressure port.
  6. 6. A cold flow system of a vortex tube as set forth in claim 1 wherein the flow direction of the air pressure port is opposite to the flow direction of the return tube.
  7. 7. The cold flow system of claim 1, wherein the outer wall of the smooth passageway is of an arcuate configuration to enhance gas flow and accelerate the gas flow process.
  8. 8. A cold flow system of a vortex tube as set forth in claim 1 wherein the outer wall and/or the inner wall of the smooth passageway is provided with a stepped configuration.
  9. 9. The cold flow system of claim 8, wherein the outer wall of the smooth passageway is provided with a drainage sheet positioned behind the stepped structure.
  10. 10. The cold flow system of claim 1, wherein a heating structure is disposed in the smooth passageway at a front side of the air outlet.

Description

Cold flow system of vortex tube Technical Field The invention belongs to the technical field of vortex tubes, and relates to a cold flow system of a vortex tube. Background The vortex tube refrigeration is a refrigeration method which is characterized in that a high-speed air flow is made to generate vortex to separate cold air flow and hot air flow by means of the effect of the vortex tube, and the cold air flow and the hot air flow are made to flow reversely and separate by means of the inert flow rate of cold air molecules and the active flow rate of hot air molecules. The cold air reflux obtained in the prior art is generally directly conveyed to corresponding parts to realize cold flow after the cold air is refluxed through a reflux pipe, the utilization efficiency of the cold flow is not high, and the problem of unsmooth gas flow exists. Disclosure of Invention In order to solve the technical problems, the invention provides a cold flow system of a vortex tube, which accelerates the flow rate of cold flow gas to accelerate the flow rate of inert cold flow gas, ensures smooth flow of air flow and can avoid the backflow of cold flow gas. The technical scheme adopted by the invention is as follows: The utility model provides a cold flow system of vortex tube, includes the back flow, the front end and the bleed air system intercommunication backward flow cold flow of back flow, the export of back flow is provided with the air pressure package that forms the air negative pressure, the radial outer lane of air pressure package is provided with the water conservancy diversion ring that carries out rotatory acceleration to the air current, one side of water conservancy diversion ring is provided with the wind pressure mouth of acceleration rate, the wind pressure mouth communicates with the air outlet through smooth passageway. Further, the air compression bag comprises a spherical wall surface and an end surface, a negative pressure flow area is formed between the spherical wall surface and the end surface, and the spherical wall surface is communicated with the return pipe. The spherical wall surface is smoothly arranged, so that air flow blocking is avoided, and the air flow is smoother. Further, the channel that air compressor package and water conservancy diversion ring intercommunication is by wide narrowing along the air current direction, can prevent the gas backward flow, can pass through the mutual collision extrusion between the cold flow inert gas molecule again, lets cold flow gas molecule constantly pile up in the fixed region, produces inside and outside negative pressure to form the phenomenon of inhaling the class in the miniport exit, directly provide the acceleration of cold flow gas flow, increase the velocity of flow when cold flow flows. Further, the wind pressure port is annularly arranged on the wall surface of the guide ring. Further, the air inlet width of the air pressure port is larger than the air outlet width of the air pressure port. Thereby letting the two ends of the tuyere the air pressure exhibits a pressure difference that is a function of the pressure, the principle is the same as that of the prior art, thereby realizing the supercharging acceleration flow when the gas flows. The wind pressure port uses Bernoulli principle, the inner part is big and the outer part is small, and the cold air flow circulating in the guide ring is pressurized and accelerated through the wind pressure port. Further, the cold flow direction of the wind pressure port is opposite to the cold flow direction of the return pipe. The invention accelerates the cold flow, guides the cold flow to the air outlet for heating, and merges the cold flow with the split hot flow for blowing. Further, the outer wall of the smooth channel is of an arc-shaped structure, so that the gas flow is enhanced, and the gas flow process is accelerated. Further, the outer wall and/or the inner wall of the smooth channel are/is provided with a step structure. Further, a drainage sheet is arranged on the outer wall of the smooth channel and positioned at the rear of the stepped structure. According to the invention, the air flow after the air pressure port is pressurized is guided through the drainage sheet, the power generated after the air is accelerated to flow is utilized to be combined with the drainage sheet to generate centrifugal motion of the air flow, the centrifugal motion is guided to the air outlet, and the centrifugal motion is ejected from the air outlet in a spring turbine mode. Further, a heating structure is arranged at the front side of the air outlet in the smooth channel and used for heating the air flow guided by the drainage piece and then blowing out from the air outlet. The invention has the beneficial effects that: 1. an air pressure bag is arranged to form air negative pressure, so that the gas is prevented from flowing back. 2. And arranging a guide ring, and rotationally accelerating the cold air