How to use vortex tubes? Can vortex pipes be used as air conditioners

Vortex tube refrigeration is a method that uses the action of vortex tube to produce a vortex of high-speed airflow, separates the cold and hot air streams, and uses the cold air flow to obtain refrigeration. Ranque was the first person to study vortex tubes, and in his early research, he believed that the adiabatic expansion process of the internal swirl gas flow and the adiabatic compression process of the outer swirl gas flow were the root cause of the energy separation effect of the vortex tube. Hilsch believes that the causes of the energy separation of the vortex tubes are not only ranque causes, but also due to the viscous friction effect between the outer spiral layers.

Vortex tube cold consists of a nozzle, a vortex chamber, a separating orifice plate, a tube, and a control valve. The vortex chamber is centered and the tube is divided into hot and cold ends. The nozzles are arranged tangentially along the vortex chamber, that is, to guide the high-pressure air flow tangentially into the vortex chamber.

The orifice plate is located between the vortex chamber and the cold tube, and the control valve is installed at the outlet of the hot end tube.

Input compressed air volumes of 10, 15, 25, and 35 scfm (280, 420, 700, 990 slpm) with a manual knob and thermometer.

to regulate the air conditioning outlet temperature to produce up to 2500 btu h (630 kcal h) of cooling capacity.

If the inlet pressure and temperature of the compressed air remain constant, the outlet temperature of the vortex tube will remain constant in the range of 1 °F ( .

1.In the spot welding process, the weld joint is cooled by using the Aetek vortex tube, which can avoid the operation of cleaning and leveling the weld joint twice, and greatly improve the welding quality and welding appearance of the product.

2.Aetek-Tek vortex tubes are used in the high-speed cutting process of tires - the continuous injection of cold air into the cutting hole of the cutting tool can keep the tool sharp, avoid damage to the tool due to heat accumulation caused by cutting, and also ensure the finish of the cut.

3.The accumulation of heat in single-point cutting will shorten the life of the cutting tool and produce rough threaded products, and the clean, dry, sub-zero cold air coming out of the vortex tube will increase the cutting speed, and also avoid micro-cracking and premature destruction and aging of the machining tool.

Theoretically, yes. Ordinary air conditioners rely on "steam compression before steaming" to refrigerate, while vortex tubes rely on the heat transfer phenomenon generated during the flow of high-speed fluid in the setting tube according to the predetermined rules. Eddy current control cold is still relatively little used in the civilian field, and it will be applied with the progress of science and technology.

This answer applies to most air conditioner models like the GREE KFR-50GW.

The vortex tube is based on the working principle of air throttle expansion, the air expansion is in a flowing state, the heat transfer process is accelerated, and the effect of cooling Li Liang is remarkable. The structural principle of the scroll tube is mainly composed of a gas inlet nozzle, a cylindrical cylinder, an air conditioning outlet throttle hole, and a heating outlet flow adjustment valve. Vortex tube cooling principle:

The nozzle creates a centrifugal force field around the orifice, and after the compressed air enters this range through the nozzle, the angular momentum of rotation of the gas increases with the inward motion. However, due to the viscous effect of the gas, all gases rotate at approximately the same angular velocity, so the gas diffusing towards the center has to transfer kinetic energy to the outer air and cools itself, so that a low temperature zone appears near the central axis. The velocity of the gas rotating in the outer layer increases due to the absorption of kinetic energy, but when flowing along the tube, its kinetic energy is gradually converted into heat due to turbulent loss, resulting in the gas around the cylindrical cylinder being heated.

The refrigeration process of the scroll tube is as follows: the compressed air of appropriate pressure is sprayed from the gas inlet nozzle along the tangential direction to the circumference of the circle, and the gas entering the pipe is carried out in a high-speed gyratory movement on one side, and the direction of the flow adjustment valve at the heating outlet is carried out on the other side. At this time, due to the action of centrifugal force in the cylinder, the pressure rises around the cylinder along the circle and decreases near the central shaft.

At the same time, the energy distribution is also carried out, and the disturbing gas at the periphery of the cylinder is the heating macro, which flows to the heating outlet in the form of vortex; In the vicinity of the mandrel is an extremely low temperature gas, which flows in the opposite direction of the heating air, and flows through the ** part and flows to the outside through the cold air to take out the throttle hole. The internal heating outlet flow control valve can easily adjust the temperature and flow rate of the cold air. Manually adjusting the opening of the flow adjustment valve at the heating outlet is actually the ratio of the air volume of two vortex air streams of different temperatures in the opposite direction, so that the temperature of the gas through the orifice is much lower than the temperature of the inlet air, and the required cold air flow rate is obtained.

The vortex tube is controlled and achieved by means of an internal replaceable generator to achieve the desired temperature and flow rate. There are two main types of generators: one is the generator that controls the temperature of the cold air - C generator, and the other is the generator that controls the flow of the cold air - the H generator.

1. Cooling in manufacturing industries: plastic or metal processing, wood processing, welding, bonding, heat sealing, sewing needles, mold processing, and cooling on other manufacturing industries.

2. It is used for cooling and drying gas sampling and cooling environmental chambers in the laboratory.

3. Cooling and temperature control of electronic components, instruments, switches and temperature regulating devices.

4. Temperature regulation of closed electronic control system: CNC cabinet, industrial PCS system, PLCS system, motor control center.

5. +250°F (+110 C) of hot gas can be generated without any flash fire or hot explosion, so that it is very safe and convenient to heat soften plastics, melt glue, and seal bags.

6. It can refrigerate the operator of the protective gear.

As one of the pioneers of compressed air refrigeration, the ITW Group in the United States became the first company to put the vortex tube effect into practical use.

The characteristics of the vortex tube produce cold air as low as -46 and no moving parts.

1.Low cost, maintenance-free2Temperatures from -50°F to 260°F (-46° to +127)3

Flow rates from 1 to 100 scfm 4The cooling capacity can reach up to 6000 btu hr

5.Made of high-strength stainless steel, anti-corrosion, anti-oxidation, anti-high temperature 6No electricity, no chemicals, no electric sparks7Small size, light weight, anti-collision 8The air conditioner is produced quickly and can be quickly adjusted by the valve.