CN111534330A - Paraffin Pellet Generator - Google Patents

Abstract

A paraffin particle generator. The device comprises a compressor gas storage tank, a filter, an explosion-proof heat-resistant pipe, a heat exchanger, a lower gas spray head, a hard glass tank, a paraffin nozzle, an upper gas spray head, a heat-resistant backflow pipe, a gear pump, a liquid inlet pipe and a paraffin heating tank; the paraffin particle generator provided by the invention has the following beneficial effects: can continuously produce atomized paraffin particles, and has simple structure, low manufacturing cost and convenient use. In addition, the experimenter can visually observe the melting and solidification processes of the paraffin particles through the hard glass tank and the paraffin heating tank, and the method is very convenient and practical.

Description

Paraffin Pellet Generator

technical field

The invention belongs to the technical field of experimental devices, in particular to a generator mainly used for generating molten paraffin particles in scientific research.

Background technique

As a working medium with low melting point and high viscosity, paraffin wax can be atomized into paraffin wax particles in a low temperature environment, thereby simulating the melting and solidification process of dust particles in a high temperature environment. The paraffin particles produced by the existing paraffin particle generators cannot show the melting and solidification process of the particles, and they are all instruments used at room temperature. Therefore, heating paraffin into a molten state and generating paraffin particles is a difficult problem to be solved at present.

SUMMARY OF THE INVENTION

In order to solve the above problems, the purpose of the present invention is to provide a paraffin particle generator.

In order to achieve the above purpose, the paraffin particle generator provided by the present invention includes a compressor gas storage tank, a filter, an explosion-proof and heat-resistant pipe, a heat exchanger, a lower gas nozzle, a hard glass tank, a paraffin nozzle, an upper gas nozzle, a heat-resistant Return pipe, gear pump, liquid inlet pipe and paraffin heating tank; the paraffin heating tank is used to hold and heat solid paraffin and keep the paraffin at a certain temperature; one end of the liquid inlet pipe is immersed in the paraffin in the paraffin heating tank , the other end is located above the rigid glass tank and is connected to one end of the heat-resistant return pipe, and the other end of the heat-resistant return pipe is located in the paraffin heating tank; the paraffin nozzle is installed on the top of the rigid glass tank and communicated with the liquid inlet pipe ;The gear pump is connected to the liquid inlet pipe; one end of the explosion-proof and heat-resistant pipe is connected to the air outlet of the compressor air storage tank, and the other end is divided into two branches, and the end of one branch is connected to the liquid inlet pipe near the paraffin nozzle The end of the other branch is located in the lower part of the rigid glass tank and connected to the lower gas nozzle; the filter and heat exchanger are installed on the explosion-proof heat-resistant pipe; the rigid glass tank The lower end is provided with a paraffin particle outlet that communicates with the experimental section.

A pressure gauge and a main valve switch are installed on the explosion-proof and heat-resistant pipe; a branch valve switch and a flow meter are respectively installed on the two branches.

The paraffin particle generator also includes a heating belt and a temperature controller, wherein the heating belt is wrapped on the outside of the explosion-proof heat-resistant pipe, the liquid inlet pipe, the heat-resistant return pipe and the gear pump, and the heating belt and the temperature controller are measured. The temperature probe is electrically connected.

An automatic pressure relief valve is installed on the heat-resistant return pipe.

The spraying directions of the paraffin nozzle and the lower gas spraying head are opposite.

The outer side wall of the rigid glass jar is covered with thermal insulation cotton, the outer side of the lower part is provided with a base, the upper port is provided with a sealing cover, and a sealing cover handle is installed on the sealing cover.

The outside of the side wall of the paraffin heating tank is covered with thermal insulation cotton.

The paraffin particle generator provided by the present invention has the following beneficial effects:

The atomized paraffin wax particles can be produced sustainably, the structure is simple, the cost is low, and the use is convenient. In addition, the experimenter can visually observe the melting and solidification process of the paraffin particles through the rigid glass tank and the paraffin heating tank, which is very convenient and practical.

Description of drawings

FIG. 1 is a schematic structural diagram of a paraffin particle generator provided by the present invention.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 1, the paraffin particle generator provided by the present invention includes a compressor gas storage tank 1, a filter 4, an explosion-proof and heat-resistant tube 5, a heat exchanger 6, a lower gas nozzle 12, a hard glass tank 16, and a paraffin nozzle. 17. The upper gas nozzle 20, the heat-resistant return pipe 21, the gear pump 23, the liquid inlet pipe 25 and the paraffin heating tank 27; wherein the paraffin heating tank 27 is used to hold and heat the solid paraffin 11 and keep the paraffin 11 at a certain level. Temperature; one end of the liquid inlet pipe 25 is immersed in the paraffin 11 in the paraffin heating tank 27, the other end is located above the rigid glass tank 16 and is connected to one end of the heat-resistant return pipe 21, and the other end of the heat-resistant return pipe 21 is located at Inside the paraffin heating tank 27; the paraffin nozzle 17 is installed on the top of the rigid glass tank 16 and communicated with the liquid inlet pipe 25; the gear pump 23 is connected to the liquid inlet pipe 25; one end of the explosion-proof heat-resistant pipe 5 is connected to the compressor storage tank. The gas outlet of the gas tank 1 is divided into two branches at the other end, and the end of one branch is connected to the liquid inlet pipe 25 near the paraffin nozzle 17 and is connected to the upper gas nozzle 20, and the end of the other branch is located at the position. The lower part in the rigid glass jar 16 is connected with the lower gas nozzle 12; the filter 4 and the heat exchanger 6 are installed on the explosion-proof and heat-resistant pipe 5; the lower end of the rigid glass jar 16 is provided with paraffin that communicates with the experimental section Particle outlet 13.

A pressure gauge 2 and a main valve switch 3 are installed on the explosion-proof and heat-resistant pipe 5; a branch valve switch 8 and a flow meter 10 are installed on the two branches respectively.

The paraffin particle generator also includes a heating belt 7 and a temperature controller 22, wherein the heating belt 7 is wrapped on the outside of the explosion-proof and heat-resistant pipe 5, the liquid inlet pipe 25, the heat-resistant return pipe 21 and the gear pump 23, and is heated. The temperature probe with 7 and thermostat 22 is electrically connected.

The heat-resistant return pipe 21 is installed on the automatic pressure relief valve 24 .

The spraying directions of the paraffin nozzle 17 and the lower gas spraying head 12 are opposite.

The outer side wall of the rigid glass jar 16 is covered with thermal insulation cotton 9 , the lower outer side is provided with a base 14 , the upper port is provided with a sealing cover 18 , and a sealing cover handle 19 is installed on the sealing cover 18 .

The outside of the side wall of the paraffin heating tank 27 is covered with thermal insulation cotton 9 .

Now the working principle of the paraffin particle generator provided by the invention is described as follows:

In the first step, the experimenter turns on the switch on the paraffin heating tank 27 to melt the solid paraffin 11 into the liquid paraffin 11;

The second step, open the heating belt 7 and the thermostat 22, melt the paraffin residue in the gear pump 23, and also heat the explosion-proof heat-resistant pipe 5, the liquid inlet pipe 25 and the heat-resistant return pipe 21;

The third step is to open the compressor air storage tank 1 so that the compressed air flows into the explosion-proof and heat-resistant pipe 5, and then adjust the opening of the main valve switch 3 according to the pressure gauge 2 until the compressed air flowing through the explosion-proof and heat-resistant pipe 5 reaches a suitable pressure;

The fourth step is to open the heat exchanger 6. At this time, the compressed air will flow into the filter 4 and the heat exchanger 6 in turn. The filter 4 is used to filter out the impurities in the compressed air, and the heat exchanger 6 is used to compress the compressed air. The air is heated, and then flows into the two branches of the explosion-proof and heat-resistant pipe 5, and the opening of the sub-valve switch 8 is adjusted according to the flow meter 10 until the compressed air reaches a suitable flow rate. Finally, the hot compressed air will flow from the upper gas nozzle 20 and The lower gas nozzle 12 is ejected outward;

The fifth step, open the automatic pressure relief valve 24 to ensure that the pressure of the liquid paraffin 11 in the heat-resistant return pipe 21 is stable;

The sixth step, turn on the gear pump 23, start to pump the liquid paraffin 11 into the liquid inlet pipe 25, and the liquid paraffin 11 will be premixed with the hot compressed air ejected from the upper gas nozzle 20 and become paraffin particles at the upper gas nozzle 20. And sprayed downward from the paraffin nozzle 17, the sprayed paraffin particles will collide with the hot compressed air sprayed upward from the lower gas nozzle 12 to generate atomized paraffin particles. According to Bernoulli's principle, the atomized paraffin The particles will enter into the experimental section for research through the paraffin particle outlet 13;

Claims (7)

1. A paraffin particle generator, characterized in that: the paraffin particle generator comprises a compressor air storage tank (1), a filter (4), an explosion-proof heat-resistant pipe (5), a heat exchanger (6), a lower gas spray head (12), a hard glass tank (16), a paraffin nozzle (17), an upper gas spray head (20), a heat-resistant return pipe (21), a gear pump (23), a liquid inlet pipe (25) and a paraffin heating tank (27); the paraffin heating tank (27) is used for containing and heating the solid paraffin (11) and keeping the paraffin (11) at a certain temperature; one end of the liquid inlet pipe (25) is immersed in the paraffin (11) in the paraffin heating tank (27), the other end of the liquid inlet pipe is positioned above the hard glass tank (16) and is connected with one end of the heat-resistant return pipe (21), and the other end of the heat-resistant return pipe (21) is positioned in the paraffin heating tank (27); the paraffin nozzle (17) is arranged at the top of the hard glass tank (16) and is communicated with the liquid inlet pipe (25); the gear pump (23) is connected to the liquid inlet pipe (25); one end of the explosion-proof heat-resistant pipe (5) is connected with an air outlet of the compressor air storage tank (1), the other end of the explosion-proof heat-resistant pipe is divided into two branches, the tail end of one branch is connected with the position, close to the paraffin nozzle (17), on the liquid inlet pipe (25) and is connected with the upper gas nozzle (20), and the tail end of the other branch is located at the lower part in the hard glass tank (16) and is connected with the lower gas nozzle (12); the filter (4) and the heat exchanger (6) are arranged on the explosion-proof heat-resistant pipe (5); the lower end of the hard glass tank (16) is provided with a paraffin particle outlet (13) communicated with the experimental section.

2. The paraffin particle generator of claim 1, wherein: the explosion-proof heat-resistant pipe (5) is provided with a pressure gauge (2) and a main valve switch (3); the two branches are respectively provided with a branch valve switch (8) and a flowmeter (10).

3. The paraffin particle generator of claim 1, wherein: the paraffin particle generator further comprises a heating belt (7) and a temperature controller (22), wherein the heating belt (7) is coated outside the explosion-proof heat-resistant pipe (5), the liquid inlet pipe (25), the heat-resistant backflow pipe (21) and the gear pump (23), and the heating belt (7) is electrically connected with a temperature measuring probe of the temperature controller (22).

4. The paraffin particle generator of claim 1, wherein: the heat-resistant return pipe (21) is provided with an automatic pressure relief valve (24).

5. The paraffin particle generator of claim 1, wherein: the paraffin nozzle (17) and the lower gas nozzle (12) have opposite spraying directions.

6. The paraffin particle generator of claim 1, wherein: the side wall of the hard glass tank (16) is coated with heat insulation cotton (9), the outer side of the lower part of the hard glass tank is provided with a base (14), the upper port of the hard glass tank is provided with a sealing cover (18), and a sealing cover handle (19) is arranged on the sealing cover (18).

7. The paraffin particle generator of claim 1, wherein: the side wall of the paraffin heating tank (27) is coated with heat insulation cotton (9).

Images