CN216789864U - Liquid nitrogen filling machine for preventing liquid level detection nozzle from generating condensed water - Google Patents

Abstract

The utility model discloses a liquid nitrogen filling machine for preventing a liquid level detection nozzle from generating condensed water, which comprises a nitrogen filling machine body and a liquid nitrogen storage tank arranged in the nitrogen filling machine body, wherein the liquid nitrogen storage tank is provided with a liquid level detection low pressure-leading nozzle and a liquid level detection high pressure-leading nozzle which are respectively communicated with the outside, the liquid level detection low pressure-leading nozzle is arranged at the top of the nitrogen filling machine body, and a pressure-leading pipe of the liquid level detection low pressure-leading nozzle is communicated with the top of the liquid nitrogen storage tank; the liquid level detection high pressure guiding nozzle is arranged at the top of the nitrogen injection machine body, and the pressure guiding pipe of the liquid level detection high pressure guiding nozzle is arranged in the nitrogen injection machine body and communicated with the bottom of the liquid nitrogen storage tank. The utility model designs the positions of the liquid level detection low pressure guiding nozzle and the liquid level detection high pressure guiding nozzle to the upper part of the body of the nitrogen injection machine, and the design mainly increases the length of the pressure guiding pipe of the liquid level detection high pressure guiding nozzle close to liquid nitrogen, so as to prevent the cold conduction at the joint of the liquid level detection high pressure guiding nozzle and a liquid nitrogen tank from causing the generation of condensed water at the liquid level detection high pressure guiding nozzle of the body, thereby ensuring the quality of products.

Description

Liquid nitrogen filling machine for preventing liquid level detection nozzle from generating condensed water

Technical Field

The utility model relates to the technical field of liquid nitrogen filling machines, in particular to a liquid nitrogen filling machine capable of preventing a liquid level detection nozzle from generating condensed water.

Background

In the industries of beverage food, oil products and seasoning products, liquid nitrogen is widely used for fresh keeping, pressurization, cooling and the like. In the industries, liquid nitrogen needs to be quantitatively and accurately added into a product container, and the oxygen content in the container is reduced to achieve the effect of preservation; after the liquid nitrogen is dripped into the container, the liquid nitrogen absorbs heat to vaporize and expand, so that the internal pressure is increased, the flat bottles are reduced, and the transportation is convenient. The gram weight of the container can also be reduced by increasing the internal pressure.

In the liquid nitrogen filling equipment, a detection port of a liquid level continuous-drawing differential pressure type sensor is always designed at the position of an exhaust port, so that a high pressure guide pipe is too close to liquid nitrogen, thereby conducting cold and transferring heat, not only causing vaporization waste of the liquid nitrogen, but also generating a condensed water phenomenon at the high pressure guide pipe, and having certain health addiction to food drinks, oil products and seasoning products.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a liquid nitrogen filling machine for preventing a liquid level detection nozzle from generating condensed water, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a liquid nitrogen filling machine for preventing a liquid level detection nozzle from generating condensed water comprises a nitrogen filling machine body and a liquid nitrogen storage tank in the nitrogen filling machine body, wherein the liquid nitrogen storage tank is provided with a liquid level detection low pressure leading nozzle and a liquid level detection high pressure leading nozzle which are respectively communicated with the outside, the liquid level detection low pressure leading nozzle is arranged at the top of the nitrogen filling machine body, and a pressure leading pipe of the liquid level detection low pressure leading nozzle is communicated with the top of the liquid nitrogen storage tank; the liquid level detection high pressure guiding nozzle is arranged at the top of the nitrogen injection machine body, and the pressure guiding pipe of the liquid level detection high pressure guiding nozzle is arranged in the nitrogen injection machine body and communicated with the bottom of the liquid nitrogen storage tank.

Furthermore, annotate nitrogen machine fuselage top and be provided with the notes nitrogen machine feed liquor pipe that is used for the feed liquor annotate and be provided with notes nitrogen machine liquid level control valve between nitrogen machine feed liquor pipe and the notes nitrogen machine fuselage inlet, through annotate nitrogen machine liquid level control valve control notes nitrogen machine feed liquor.

Furthermore, a nitrogen dropping port of the nitrogen injection machine for accurately discharging liquid is arranged at the bottom of the machine body of the nitrogen injection machine, and the nitrogen dropping port of the nitrogen injection machine is communicated with the bottom of the liquid nitrogen storage tank.

Furthermore, a nitrogen injection machine exhaust port is arranged at the bottom of the nitrogen injection machine body, and the nitrogen injection machine exhaust port is arranged in an inclined upward exhaust mode.

Compared with the prior art, the utility model has the beneficial effects that: the utility model designs the positions of the liquid level detection low pressure guiding nozzle and the liquid level detection high pressure guiding nozzle to the upper part of the body of the nitrogen injection machine, and the design mainly increases the length of the pressure guiding pipe of the liquid level detection high pressure guiding nozzle close to liquid nitrogen, so as to prevent the cold conduction at the joint of the liquid level detection high pressure guiding nozzle and a liquid nitrogen tank from causing the generation of condensed water at the liquid level detection high pressure guiding nozzle of the body, thereby ensuring the quality of products.

Drawings

FIG. 1 is a front view of a liquid nitrogen filling machine of the present invention;

fig. 2 is a schematic structural diagram of the internal section of the body of the liquid nitrogen filling machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the drawings, the present invention provides a technical solution: a liquid nitrogen filling machine for preventing a liquid level detection nozzle from generating condensed water comprises a nitrogen filling machine body 2 and a liquid nitrogen storage tank 8 arranged in the nitrogen filling machine body, wherein a liquid level detection low pressure leading nozzle 6 and a liquid level detection high pressure leading nozzle 7 which are respectively communicated with the outside are arranged on the liquid nitrogen storage tank 8, the liquid level detection low pressure leading nozzle 6 is arranged at the top of the nitrogen filling machine body 2, and a pressure leading pipe of the liquid level detection low pressure leading nozzle 6 is communicated with the top of the liquid nitrogen storage tank 8; the liquid level detection high pressure nozzle 7 is arranged at the top of the nitrogen injection machine body 2, and a pressure pipe of the liquid level detection high pressure nozzle 7 is embedded in the nitrogen injection machine body 2 from top to bottom and is communicated with the bottom in the liquid nitrogen storage tank 8. Like this with liquid level detection high pressure guide mouth 7 separately with the liquid nitrogen in the liquid nitrogen storage tank to avoided because of liquid level detection high pressure guide mouth 7 is too close to the liquid nitrogen, from leading cold heat transfer, not only caused the vaporization of liquid nitrogen to be extravagant, also can produce the comdenstion water in liquid level detection high pressure guide mouth 7 department.

Annotate 2 tops of nitrogen machine fuselage and be provided with notes nitrogen machine feed liquor pipe 1 that is used for the feed liquor annotate and be provided with notes nitrogen machine liquid level control valve 3 between nitrogen machine feed liquor pipe 1 and the 2 inlets of nitrogen machine fuselage, through annotate nitrogen machine liquid level control valve 3 control notes nitrogen machine feed liquor.

The bottom of the nitrogen injection machine body 2 is provided with a nitrogen injection machine nitrogen dropping port 4 for discharging liquid accurately, and the nitrogen injection machine nitrogen dropping port 4 is communicated with the bottom in the liquid nitrogen storage tank 8.

Annotate nitrogen machine fuselage 2 bottoms and be provided with notes nitrogen machine gas vent 9, annotate nitrogen machine gas vent 9 intercommunication liquid nitrogen storage tank 8 interior bottom and slope exhaust setting upwards, avoided like this annotating the outside production comdenstion water phenomenon of nitrogen machine gas vent 9.

The working principle of the liquid nitrogen filling machine is as follows: the liquid nitrogen filling machine is irregular vacuum container equipment, liquid nitrogen flows into a liquid level control valve 3 of the nitrogen filling machine through a liquid inlet pipe 1 of the nitrogen filling machine, and the liquid level of the liquid nitrogen filling machine is controlled by controlling the opening or closing of a low-temperature-resistant valve needle through a controller. The liquid nitrogen storage tank 8 is in a normal pressure state, so that the effect of nitrogen injection is prevented from being influenced by internal pressure, and vaporized nitrogen is discharged from an exhaust port 9 of the nitrogen injection machine. The liquid nitrogen is quantitatively, regularly and accurately dripped out through a nitrogen dripping port 4 of the nitrogen injection machine according to the setting of a controller.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments 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 (4)

1. The liquid nitrogen filling machine is characterized by comprising a nitrogen filling machine body (2) and a liquid nitrogen storage tank (8) arranged in the nitrogen filling machine body, wherein the liquid nitrogen storage tank (8) is provided with a liquid level detection low pressure leading nozzle (6) and a liquid level detection high pressure leading nozzle (7) which are respectively communicated with the outside, the liquid level detection low pressure leading nozzle (6) is arranged at the top of the nitrogen filling machine body (2), and a pressure leading pipe of the liquid level detection low pressure leading nozzle (6) is communicated with the inner top of the liquid nitrogen storage tank (8); the liquid level detection high pressure guiding nozzle (7) is arranged at the top of the nitrogen injection machine body (2), and a pressure guiding pipe of the liquid level detection high pressure guiding nozzle (7) is embedded in the nitrogen injection machine body (2) from top to bottom and is communicated with the bottom in the liquid nitrogen storage tank (8).

2. The liquid nitrogen filling machine for preventing the liquid level detection nozzle from generating condensed water according to claim 1, is characterized in that: annotate nitrogen machine fuselage (2) top and be provided with notes nitrogen machine feed liquor pipe (1) that are used for the feed liquor annotate and be provided with between nitrogen machine feed liquor pipe (1) and notes nitrogen machine fuselage (2) the feed liquor and annotate nitrogen machine liquid level control valve (3), through annotate nitrogen machine liquid level control valve (3) control and annotate nitrogen machine feed liquor.

3. The liquid nitrogen filling machine for preventing the liquid level detection nozzle from generating condensed water according to claim 1, is characterized in that: annotate nitrogen machine fuselage (2) bottom and be provided with notes nitrogen machine nitrogen dropping mouth (4) that are used for accurate play liquid, annotate nitrogen machine nitrogen dropping mouth (4) and liquid nitrogen storage tank (8) interior bottom intercommunication setting.

4. The liquid nitrogen filling machine for preventing the liquid level detection nozzle from generating condensed water according to claim 1, is characterized in that: and a nitrogen injection machine exhaust port (9) is arranged at the bottom of the nitrogen injection machine body (2), and the nitrogen injection machine exhaust port (9) is communicated with the inner bottom of the liquid nitrogen storage tank (8) and is arranged in an inclined and upward exhaust manner.

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