Liquid oxygen preparation distillation equipment

Abstract

The utility model belongs to the technical field of liquid oxygen production, and particularly relates to liquid oxygen preparation distillation equipment which comprises a distillation box, a feeding hole formed in the top of the distillation box, a motor fixedly mounted at the top of the distillation box, a rotating rod arranged at one end of the motor, a stirring rod fixedly mounted on the rotating rod, and a heating pipe fixedly mounted on the inner wall of the distillation box, a temperature sensor is fixedly mounted on the inner wall of the distillation box, a first collecting mechanism is arranged on one side of the distillation box, a second collecting mechanism is arranged on the other side of the distillation box, and a thermal insulation layer is arranged on the inner wall of the distillation box. According to the device disclosed by the utility model, the motor, the rotating rod and the stirring rod are matched for use, and the rotating rod can be rotated to drive the stirring rod to rotate by driving the motor to work, so that liquid air in the device can be heated more sufficiently and uniformly, and the distillation effect can be improved; the internal temperature can be conveniently detected in real time, and liquid gas with different boiling points can be conveniently distilled.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid oxygen production, in particular to liquid oxygen preparation and distillation equipment. Background Art

[0002] Liquid oxygen is the form of oxygen in liquid state. It has important applications in aerospace, submarine and gas industries. Liquid oxygen is a light blue liquid with strong paramagnetism. Liquid oxygen has a wide range of industrial and medical uses. The method of producing liquid oxygen in industry is to distill liquid air. The boiling point of nitrogen in the air is lower than that of oxygen. The air is first pressurized and cooled to become liquid, and then heated. Since the boiling point of liquid nitrogen is lower than that of oxygen, nitrogen evaporates from the liquid air first, leaving liquid oxygen. At present, there are still some areas to be improved in the existing liquid oxygen preparation distillation equipment during operation and use. For example, application number CN202122653129.0 is a distillation device for high-purity liquid oxygen production, including a distillation box, a feed pipe is provided at the top of the right side of the distillation box, a heating pipe is provided inside the distillation box, an air outlet main pipe is provided at the top of the left side of the distillation box, a turbine is movably connected inside the air outlet main pipe, a driving gear is fixedly connected to the right side of the turbine, a driven gear is meshed and connected to the bottom of the driving gear, a stirring mechanism is fixedly connected to the bottom of the driven gear, a first air outlet branch is provided on the left side of the top of the air outlet main pipe, a first solenoid valve is provided inside the first air outlet branch pipe, a first condenser is fixedly connected to the side of the first air outlet branch pipe away from the air outlet main pipe, a first collecting box is provided at the bottom of the first condenser, a second air outlet branch is provided on the left side of the air outlet main pipe, a second solenoid valve is provided inside the second air outlet branch pipe, a second condenser is provided on the side of the second air outlet branch pipe away from the air outlet main pipe, and a second collecting box is provided at the bottom of the second condenser. Although it can purify liquid oxygen well during operation, its overall structure is relatively simple, and it is not convenient for energy saving and environmental protection during operation, which limits its use.

[0003] The prior art has the following problems:

[0004] The existing liquid oxygen preparation distillation equipment has a relatively simple overall device structure and a relatively single structural functionality. During the distillation operation, it is not convenient to recycle the heat generated by liquefaction, which easily causes heat waste and is not convenient for improving energy-saving and environmental protection effects, resulting in certain limitations in its operation. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a liquid oxygen preparation distillation device, which solves the problem that the overall device structure is relatively simple and the structural functionality is relatively single. During the distillation operation, it is not convenient to recycle the heat generated by liquefaction, which easily causes heat waste and is not convenient to improve the energy-saving and environmental protection effects, resulting in certain limitations in its operation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid oxygen preparation distillation device, comprising a distillation box, a feed port is arranged at the top of the distillation box, a motor is fixedly installed on the top of the distillation box, a rotating rod is arranged at one end of the motor, a stirring rod is fixedly installed on the rotating rod, a heating tube is fixedly installed on the inner wall of the distillation box, a temperature sensor is fixedly installed on the inner wall of the distillation box, a first collecting mechanism is arranged on one side of the distillation box, a second collecting mechanism is arranged on the other side of the distillation box, a temperature insulation layer is arranged on the inner wall of the distillation box, a heat preservation layer is arranged on one side of the temperature insulation layer, and a display control panel is fixedly installed on the front of the distillation box.

[0007] As a preferred technical solution of the utility model, a wire is provided inside the motor, and the motor is electrically connected to the display control panel through the wire.

[0008] As a preferred technical solution of the utility model, a plurality of stirring rods are provided, and the stirring rods are evenly and symmetrically distributed on the outer wall of the rotating rod.

[0009] As a preferred technical solution of the utility model, a plurality of heating tubes are provided, and the heating tubes are symmetrically distributed on the inner wall of the distillation box.

[0010] As a preferred technical solution of the present utility model, a wire is provided inside the temperature sensor, and the temperature sensor is electrically connected to the display control panel through the wire.

[0011] As a preferred technical solution of the utility model, the first collecting mechanism has the same structure as the second collecting mechanism, and the first collecting mechanism includes a control valve, a connecting pipe, a water tank, a guide pipe and a collecting box. The control valve is fixedly installed on the top of the distillation box, one side of the control valve is fixedly connected to a connecting pipe, one end of the connecting pipe is fixedly connected to the water tank, a guide pipe is arranged inside the water tank, a collecting box is fixedly connected to the bottom of the water tank, the connecting pipe is connected to the guide pipe and the collecting box, and a water inlet and a drain are arranged on the water tank.

[0012] As a preferred technical solution of the utility model, the thermal insulation layer is supported by a thermal insulation board, and the interior of the thermal insulation layer is filled with thermal insulation cotton.

[0013] Compared with the prior art, the utility model provides a liquid oxygen preparation distillation device having the following

[0014] Beneficial effects:

[0015] 1. The liquid oxygen preparation and distillation equipment is used in combination with a motor, a rotating rod and a stirring rod. The rotating rod can be rotated by driving the motor to drive the stirring rod to rotate, so that the liquid air inside the distillation box can be heated more fully and evenly, so as to improve the distillation effect. A temperature sensor is provided inside the distillation box for use in combination, so that the internal temperature can be detected in real time, and liquid gases with different boiling points can be distilled. A control valve, a connecting pipe, a water tank, a guide pipe and a collecting box are provided for use in combination. By opening the control valve, the gas reaching the boiling point can flow into the collecting box through the connecting pipe and the guide pipe, so as to facilitate the collection work. By providing a water tank outside the guide pipe for use in combination, the heat can be quickly absorbed by cold water, so as to prevent heat loss and energy waste, so as to facilitate better work and use.

[0016] 2. This liquid oxygen preparation distillation equipment can effectively improve the thermal insulation performance of its overall structure by arranging a thermal insulation layer and a heat preservation layer on the inner wall of the distillation box for use, prevent the internal heat from being easily lost and affecting the working effect, and facilitate improving the energy-saving and environmental protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the top view of the distillation box of the utility model;

[0019] Figure 3 This is a schematic diagram of the water tank structure of the utility model;

[0020] Figure 4 This is a partial structural schematic diagram of the distillation box of the utility model;

[0021] Figure 5 It is a schematic diagram of the front structure of the utility model.

[0022] In the figure: 1. distillation box; 2. feed port; 3. motor; 4. rotating rod; 5. stirring rod; 6. heating tube; 7. temperature sensor; 8. first collecting mechanism; 801. control valve; 802. connecting pipe; 803. water tank; 804. guide pipe; 805. collecting box; 9. second collecting mechanism; 10. thermal insulation layer; 11. thermal insulation layer; 12. display control panel. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 In this embodiment: a liquid oxygen preparation distillation device comprises a distillation box 1, a feed port 2 is arranged on the top of the distillation box 1, which is convenient for injecting liquid air, a motor 3 is fixedly installed on the top of the distillation box 1, which is convenient for rotating a rotating rod 4, a rotating rod 4 is arranged at one end of the motor 3, which is convenient for installing a stirring rod 5, and a stirring rod 5 is fixedly installed on the rotating rod 4, which is convenient for mixing and stirring work, a heating tube 6 is fixedly installed on the inner wall of the distillation box 1, which is convenient for heating and distillation, a temperature sensor 7 is fixedly installed on the inner wall of the distillation box 1, which can perform temperature detection, a first collecting mechanism 8 is arranged on one side of the distillation box 1, which is convenient for collecting nitrogen, and a second collecting mechanism 9 is arranged on the other side of the distillation box 1, which is convenient for collecting oxygen, a thermal insulation layer 10 is arranged on the inner wall of the distillation box 1 to improve its thermal insulation performance, a thermal insulation layer 11 is arranged on one side of the thermal insulation layer 10, and the thermal insulation performance is further improved, and a display control panel 12 is fixedly installed on the front of the distillation box 1 to facilitate control of the overall device.

[0025] In this embodiment, the motor 3 is provided with a wire inside, and the motor 3 is electrically connected to the display control panel 12 through the wire, so as to drive it to work and rotate the rotating rod 4; a plurality of stirring rods 5 are provided, and the stirring rods 5 are evenly and symmetrically distributed on the outer wall of the rotating rod 4, so as to facilitate mixing and stirring and improve the uniformity of heating; a plurality of heating tubes 6 are provided, and the heating tubes 6 are symmetrically distributed on the inner wall of the distillation box 1, so as to facilitate heating and distillation; a wire is provided inside the temperature sensor 7, and the temperature sensor 7 is electrically connected to the display control panel 12 through the wire, so as to detect the temperature in real time and facilitate the distillation of liquids with different boiling points; the first collecting mechanism 8 has the same structure as the second collecting mechanism 9, and the first collecting mechanism 8 has the same structure as the second collecting mechanism 9. Structure 8 includes a control valve 801, a connecting pipe 802, a water tank 803, a guide pipe 804 and a collecting box 805. The control valve 801 is fixedly installed on the top of the distillation box 1. A connecting pipe 802 is fixedly connected to one side of the control valve 801. One end of the connecting pipe 802 is fixedly connected to the water tank 803. A guide pipe 804 is arranged inside the water tank 803. A collecting box 805 is fixedly connected to the bottom of the water tank 803. The connecting pipe 802 is connected to the guide pipe 804 and the collecting box 805. A water inlet and a drain are arranged on the water tank 803, which can facilitate distillation and collection and improve the working effect. The insulation layer 10 is supported by an insulation board, and the insulation layer 11 is filled with insulation cotton to improve its thermal insulation performance and prevent heat loss.

[0026] The working principle and use process of the utility model are as follows: the operator injects liquid air into the feed port 2, heats the liquid air through the heating tube 6, and drives the motor 3 to work to rotate the rotating rod 4 to drive the stirring rod 5 to rotate, so that the liquid air is heated more fully and evenly. When the nitrogen evaporation boiling point is reached, the first collecting mechanism 8 control valve 801 can be opened, and the gas can be input into the guide tube 804 through the connecting tube 802. The cold water in the water tank 803 can absorb heat and quickly liquefy the steam in the guide tube 804, so that it can flow into the collection box 805 for rapid collection. At the same time, when the nitrogen is distilled, the temperature can be increased to reach the oxygen evaporation boiling point. The oxygen can be purified and collected through the second collecting mechanism 9, and the operation and use are convenient.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A liquid oxygen preparation distillation device, comprising a distillation box (1), a feed port (2) is arranged at the top of the distillation box (1), a motor (3) is fixedly installed at the top of the distillation box (1), a rotating rod (4) is arranged at one end of the motor (3), a stirring rod (5) is fixedly installed on the rotating rod (4), a heating tube (6) is fixedly installed on the inner wall of the distillation box (1), and a temperature sensor (7) is fixedly installed on the inner wall of the distillation box (1), characterized in that: A first collecting mechanism (8) is provided on one side of the distillation box (1), a second collecting mechanism (9) is provided on the other side of the distillation box (1), a temperature insulating layer (10) is provided on the inner wall of the distillation box (1), a heat preservation layer (11) is provided on one side of the temperature insulating layer (10), and a display control panel (12) is fixedly mounted on the front side of the distillation box (1).

2. A liquid oxygen preparation distillation device according to claim 1, characterized in that: A conductive wire is arranged inside the motor (3), and the motor (3) is electrically connected to the display control panel (12) via the conductive wire.

3. The liquid oxygen preparation distillation equipment according to claim 1, characterized in that: A plurality of stirring rods (5) are provided, and the stirring rods (5) are evenly and symmetrically distributed on the outer wall of the rotating rod (4).

4. The liquid oxygen preparation distillation equipment according to claim 1, characterized in that: A plurality of heating tubes (6) are provided, and the heating tubes (6) are symmetrically distributed on the inner wall of the distillation box (1).

5. The liquid oxygen preparation distillation equipment according to claim 1, characterized in that: A wire is arranged inside the temperature sensor (7), and the temperature sensor (7) is electrically connected to the display control panel (12) via the wire.

6. The liquid oxygen preparation distillation equipment according to claim 1, characterized in that: The first collecting mechanism (8) and the second collecting mechanism (9) have the same structure. The first collecting mechanism (8) comprises a control valve (801), a connecting pipe (802), a water tank (803), a flow guide pipe (804) and a collecting box (805). The control valve (801) is fixedly mounted on the top of the distillation tank (1). One side of the control valve (801) is fixedly connected to the connecting pipe (802). One end of the connecting pipe (802) is fixedly connected to the water tank (803). The water tank (803) is provided with a flow guide pipe (804) inside. The bottom of the water tank (803) is fixedly connected to the collecting box (805). The connecting pipe (802) is connected to the flow guide pipe (804) and the collecting box (805). The water tank (803) is provided with a water inlet and a water outlet.

7. The liquid oxygen preparation distillation equipment according to claim 1, characterized in that: The thermal insulation layer (10) is supported by a thermal insulation board, and the interior of the thermal insulation layer (11) is filled with thermal insulation cotton.

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