Impurity gas separation cylinder structure for argon liquefaction

Abstract

The utility model relates to the related technical field of argon treatment, in particular to an impurity gas separation cylinder structure for argon liquefaction, which comprises a separation cylinder, a cooling cylinder mounted on the periphery of the lower portion of the separation cylinder, a red copper mesh arranged in the middle of an inner cavity of the separation cylinder, and a gas inlet pipe mounted at the top of the separation cylinder. The bottom end of the air inlet pipe penetrates through the red copper mesh and extends to the bottom of an inner cavity of the separation barrel, an air outlet pipe is installed on the upper barrel wall of the separation barrel, an impurity discharging pipe is installed at the bottom of the separation barrel, an input pipe is installed on one side of the top of the cooling barrel, an output pipe is installed on one side of the bottom of the cooling barrel, and an electric control valve is installed on the top of an inner cavity of the impurity discharging pipe. According to the barrel structure, the bottom of the separation barrel is cooled through the cooling barrel, after argon is conveyed to the bottom of the inner cavity of the separation barrel through the gas inlet pipe, foreign gas is cooled through cooling according to different condensation points of different gases, and the cooled foreign gas is condensed and discharged through the impurity discharging pipe; and argon can be discharged through the gas outlet pipe after being filtered by the red copper mesh, so that impurity separation of the argon is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of argon treatment, and specifically relates to an impurity gas separation cylinder structure for argon liquefaction. BACKGROUND

[0002] Argon is a kind of monatomic gas without color and odor, and the density of argon is 1.4 times that of air and 10 times that of argon. Argon is a kind of inert gas, which does not react with other substances at room temperature, and does not dissolve in liquid metal at high temperature. It can show its superiority when welding non-ferrous metals. It can be used for bulb filling and arc welding of stainless steel, magnesium, aluminum and other metals, that is, "argon arc welding".

[0003] In order to facilitate the storage of argon, argon needs to be liquefied, and high-purity argon with a purity of up to 99.999% is generally used as a gas source, and the liquefaction rate is high. However, due to the complexity of the actual operation process, other impurity gases are easily mixed in during the charging process, and the impurity gases will liquefy and condense in a low-temperature environment, thereby blocking the pipeline and affecting the argon liquefaction rate. Therefore, a kind of impurity gas separation cylinder needs to be designed in the low-temperature superconducting magnet argon liquefaction device to separate the impurity gas and ensure the smoothness of the argon pipeline. For this purpose, the technical personnel in this field propose an impurity gas separation cylinder structure for argon liquefaction to solve the problems raised in the above background. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing an impurity gas separation cylinder structure for argon liquefaction to solve the problems raised in the above background.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An impurity gas separation cylinder structure for argon liquefaction, comprising a separation cylinder, a cooling cylinder is installed on the lower periphery of the separation cylinder, an upper flower plate and a lower flower plate are arranged in the middle of the inner cavity of the separation cylinder, a red copper mesh is arranged between the upper flower plate and the lower flower plate, an air inlet pipe is installed on the top of the separation cylinder, the top end of the air inlet pipe extends to the outside of the separation cylinder, the bottom end of the air inlet pipe extends to the bottom of the inner cavity of the separation cylinder through the red copper mesh, an air outlet pipe is installed on the upper cylinder wall of the separation cylinder, one end of the air outlet pipe extends to the upper part of the inner cavity of the separation cylinder, a foreign matter discharge pipe is installed on the bottom of the separation cylinder, a sealing pipe is connected to the bottom end of the cooling cylinder, the bottom end of the foreign matter discharge pipe extends to the outside of the cooling cylinder through the sealing pipe, an input pipe is installed on one side of the top of the cooling cylinder, an output pipe is installed on one side of the bottom of the cooling cylinder, an electric control valve is installed in the inner cavity of the foreign matter discharge pipe, and an operation panel is installed on the outer wall of the upper part of the separation cylinder.

[0007] The part of the separation cylinder located in the inner periphery of the cooling cylinder is provided with a plurality of heat-conducting sheets, the plurality of heat-conducting sheets are uniformly distributed in the lower part of the separation cylinder, one end of the heat-conducting sheet extends to the inner cavity of the cooling cylinder, and the other end of the heat-conducting sheet extends to the inner cavity of the separation cylinder.

[0008] As a further scheme of the present utility model: the inner cavity of the cooling cylinder is provided with a spiral disc, the outer wall of the spiral disc is connected with the inner wall of the cooling cylinder, the inner wall of the spiral disc is attached to the outer wall of the separation cylinder, one end of the input pipe is connected with the top of the spiral disc, and one end of the output pipe is connected with the bottom of the spiral disc.

[0009] As a further scheme of the present utility model: the inner bottom surface of the separation cylinder is provided with a conical slope.

[0010] As a further scheme of the present utility model: the top end of the cooling cylinder is connected with a sleeve, the inner diameter of the sleeve is consistent with the outer diameter of the separation cylinder, the middle part of the outer wall of the separation cylinder is connected with a first flange disc, the top end of the sleeve is connected with a second flange disc, and the first flange disc is connected with the second flange disc through bolts.

[0011] As a further scheme of the present utility model: the bottom end of the first flange disc and the top end of the second flange disc are both provided with sealing rings.

[0012] As a further scheme of the present utility model: the top end of the separation cylinder is provided with an extension piece, the bottom end of the extension piece extends into the separation cylinder and is connected with the top end of a piston plate, the outer periphery of the piston plate is provided with an elastic sleeve, the shape and size of the piston plate correspond to the shape and size of the inner periphery of the separation cylinder, and the outer wall of the elastic sleeve is elastically attached to the inner wall of the separation cylinder.

[0013] The present utility model has the following advantages: the structure cools the bottom of the separation cylinder through the cooling cylinder, utilizes the different condensation points of different gases, cools the impurity gas through cooling, condenses the cooled impurity gas and discharges it through the impurity discharge pipe, filters the argon gas through the red copper mesh and discharges it through the gas outlet pipe, realizes the impurity separation of the argon gas, is convenient and fast to operate, does not affect the transportation of the argon gas, is convenient for the transmission of the argon gas, the separation cylinder and the cooling cylinder are convenient to assemble and set, the cooling medium enters and exits the cooling cylinder through the input pipe and the output pipe, the cooling medium does not directly contact the argon gas, ensures that the purity of the argon gas is not affected during the impurity separation, and the separation effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole external structure schematic view of the embodiment of the present utility model.

[0015] Figure 2The overall internal structure front view of the embodiment of the utility model.

[0016] Figure 3 For Figure 2 The A part of the enlarged schematic view in.

[0017] In the figure: 1, separation cylinder; 2, air inlet pipe; 3, air outlet pipe; 4, first flange plate; 5, impurity discharge pipe; 6, cooling cylinder; 7, sleeve; 8, second flange plate; 9, input pipe; 10, output pipe; 11, upper flower plate; 12, lower flower plate; 13, red copper mesh; 14, heat conducting sheet; 15, spiral disc; 16, electric control valve; 17, conical slope; 18, piston plate; 19, telescopic part; 20, elastic sleeve; 21, operation panel; 22, sealing sleeve ring; 23, threaded hole; 24, bolt; 25, sealing pipe. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be explained in further detail in connection with specific embodiments.

[0019] Embodiment one: please refer to Figure 1 、 Figure 2 , an impurity gas separation cylinder structure of argon liquefaction, including separation cylinder 1, the lower part of the separation cylinder 1 is provided with cooling cylinder 6, the upper and lower distribution upper flower plate 11 and lower flower plate 12 are arranged in the middle part of the inner chamber of the separation cylinder 1, the red copper mesh 13 is arranged between the upper flower plate 11 and the lower flower plate 12, the top of the separation cylinder 1 is provided with air inlet pipe 2, the top end of the air inlet pipe 2 extends to the outside of the separation cylinder 1, the bottom end of the air inlet pipe 2 passes through the red copper mesh 13 and extends to the inner chamber bottom of the separation cylinder 1, the upper cylinder wall of the separation cylinder 1 is provided with air outlet pipe 3, one end of the air outlet pipe 3 extends to the inner chamber upper portion of the separation cylinder 1, the bottom of the separation cylinder 1 is provided with impurity discharge pipe 5, the bottom end of the cooling cylinder 6 is connected with sealing pipe 25, the bottom end of the impurity discharge pipe 5 passes through the sealing pipe 25 and extends to the outside of the cooling cylinder 6, the top side of the cooling cylinder 6 is provided with input pipe 9, the bottom side of the cooling cylinder 6 is provided with output pipe 10, the inner chamber top of the impurity discharge pipe 5 is provided with electric control valve 16, the upper outer wall of the separation cylinder 1 is provided with operation panel 21, the electric control valve 16 and the operation panel 21 are connected in circuit.

[0020] Please refer to Figure 2The part of the separation cylinder 1 located in the inner periphery of the cooling cylinder 6 is provided with a plurality of heat-conducting sheets 14, which are uniformly distributed in the lower part of the separation cylinder 1. One end of the heat-conducting sheet 14 extends to the inner cavity of the cooling cylinder 6, and the other end of the heat-conducting sheet 14 extends to the inner cavity of the separation cylinder 1. The material of the heat-conducting sheet 14 is copper. The connection between the heat-conducting sheet 14 and the separation cylinder 1 is sealed to ensure that the argon gas cannot leak from the separation cylinder 1 into the cooling cylinder 6. The inner cavity of the cooling cylinder 6 is provided with a spiral disc 15. The outer wall of the spiral disc 15 is connected to the inner wall of the cooling cylinder 6, and the inner wall of the spiral disc 15 is attached to the outer wall of the separation cylinder 1. One end of the input pipe 9 is connected to the top of the spiral disc 15, and one end of the output pipe 10 is connected to the bottom of the spiral disc 15. The spiral disc 15 ensures that the cooling medium can fully contact the bottom outer wall of the separation cylinder 1 and the plurality of heat-conducting sheets 14. The position of the heat-conducting sheet 14 corresponds to the structure of the spiral disc 15, that is, each layer of the spiral disc 15 is provided with a heat-conducting sheet 14.

[0021] Please refer to Figure 2 The inner bottom surface of the separation cylinder 1 is provided with a conical slope 17, which facilitates the flow of condensed impurity gas to the port of the impurity discharge pipe 5.

[0022] Example two: please refer to Figures 1 to 3 On the basis of example one, the top end of the cooling cylinder 6 is connected to a sleeve 7, the inner diameter of the sleeve 7 is consistent with the outer diameter of the separation cylinder 1, the middle outer wall of the separation cylinder 1 is connected to a first flange plate 4, the top end of the sleeve 7 is connected to a second flange plate 8, the first flange plate 4 and the second flange plate 8 are connected by bolts 24, the bottom end of the first flange plate 4 and the top end of the second flange plate 8 are both provided with a sealing ring 22. The presence of the heat-conducting sheet 14 makes it impossible to install the cooling cylinder 6 straight up to the bottom of the separation cylinder 1. Therefore, when installing the cooling cylinder 6, the spiral disc 15 needs to be rotated and moved upwards at the same time, so that the plurality of heat-conducting sheets 14 can be installed inside the spiral disc 15 along the structure of the spiral disc 15, until the second flange plate 8 and the first flange plate 4 are attached. The first flange plate 4 and the second flange plate 8 are both provided with threaded holes 23 that cooperate with the bolts 24, and the connection and fixation of the first flange plate 4 and the second flange plate 8 are realized by the bolts 24.

[0023] Please refer to Figure 1 , Figure 2The top end of the separation cylinder 1 is provided with an extension piece 19, which is an electric telescopic rod, and the extension piece 19 is connected with an operation panel 21, the bottom end of the extension piece 19 extends into the separation cylinder 1 and is connected with the top end of a piston plate 18, the piston plate 18 is provided with an elastic sleeve 20 on the periphery, the shape and size of the piston plate 18 correspond to the shape and size of the inner periphery of the separation cylinder 1, and the outer wall of the elastic sleeve 20 is elastically attached to the inner wall of the separation cylinder 1.

[0024] Working principle: when in use, the argon is delivered to the bottom of the inner cavity of the separation cylinder 1 through the air inlet pipe 2, the cooling medium is added into the cooling cylinder 6 through the input pipe 9, the cooling medium can be condensate water or cold gas, the cooling medium flows downward along the spiral disc 15 and is finally discharged through the output pipe 10, the cooling medium contacts the heat conduction sheet 14 and accelerates the cooling of the argon at the bottom of the inner cavity of the separation cylinder 1 through the heat conduction sheet 14, the impurity gas mixed in the argon is condensed into liquid after being cooled and is attached to the inner wall of the bottom of the separation cylinder 1, and is finally collected at the bottom of the inner cavity of the separation cylinder 1, the impurity gas condensate is discharged by opening the electric control valve 16, the piston plate 18 is driven to move downward by the extension piece 19 during separation, the pressure in the separation cylinder 1 is increased by the piston plate 18, and the condensation of the impurity gas is accelerated, the argon after being purified is filtered upward through the red copper mesh 13 and is finally discharged from the separation cylinder 1 through the air outlet pipe 3.

[0025] It is obvious for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An argon gas liquefaction impurity gas separation cartridge structure comprising a separation cartridge, characterized by, The lower periphery of the separation cylinder is provided with a cooling cylinder, the middle part of the inner cavity of the separation cylinder is provided with upper and lower flower plates distributed upward and downward, the copper mesh is arranged between the upper flower plate and the lower flower plate, the top of the separation cylinder is provided with an air inlet pipe, the top end of the air inlet pipe extends to the outside of the separation cylinder, the bottom end of the air inlet pipe penetrates through the copper mesh and extends to the bottom of the inner cavity of the separation cylinder, the upper cylinder wall of the separation cylinder is provided with an air outlet pipe, one end of the air outlet pipe extends to the upper part of the inner cavity of the separation cylinder, the bottom of the separation cylinder is provided with a impurity discharge pipe, the bottom end of the impurity discharge pipe penetrates through the sealing pipe and extends to the outside of the cooling cylinder, the top side of the cooling cylinder is provided with an input pipe, the bottom side of the cooling cylinder is provided with an output pipe, the inner cavity of the top of the impurity discharge pipe is provided with an electric control valve, and the upper outer wall of the separation cylinder is provided with an operation panel.

2. The impurity gas separation cartridge structure for liquefying argon gas according to claim 1, wherein A plurality of heat-conducting sheets are arranged on the part of the cylinder wall of the separation cylinder located in the inner periphery of the cooling cylinder, the plurality of heat-conducting sheets are uniformly distributed in the lower part of the separation cylinder, one end of the heat-conducting sheet extends to the inner cavity of the cooling cylinder, and the other end of the heat-conducting sheet extends to the inner cavity of the separation cylinder.

3. The impurity gas separation cartridge structure for liquefying argon gas according to claim 2, wherein The inner cavity of the cooling cylinder is provided with a spiral disc, the outer wall of the spiral disc is connected with the inner wall of the cooling cylinder, the inner wall of the spiral disc is attached to the outer wall of the separation cylinder, one end of the input pipe is connected with the top of the spiral disc, and one end of the output pipe is connected with the bottom of the spiral disc.

4. The impurity gas separation cartridge structure for liquefying argon gas according to claim 1, wherein The inner bottom surface of the separation cylinder is provided with a conical slope.

5. The impurity gas separation cartridge structure for liquefying argon gas according to claim 1, wherein The top end of the cooling cylinder is connected with a sleeve, the inner diameter of the sleeve is consistent with the outer diameter of the separation cylinder, the middle part of the outer wall of the separation cylinder is connected with a first flange plate, the top end of the sleeve is connected with a second flange plate, and the first flange plate and the second flange plate are connected through bolts.

6. The impurity gas separation cartridge structure for liquefying argon gas according to claim 5, wherein The bottom end of the first flange plate and the top end of the second flange plate are provided with sealing rings.

7. The impurity gas separation cartridge structure for liquefying argon gas according to claim 1, wherein The top end of the separation cylinder is provided with an elastic sleeve, the bottom end of the elastic sleeve extends to the inside of the separation cylinder and is connected with the top end of a piston plate, the outer periphery of the piston plate is sleeved with an elastic sleeve, the shape and size of the piston plate correspond to the shape and size of the inner periphery of the separation cylinder, and the outer wall of the elastic sleeve is elastically attached to the inner wall of the separation cylinder.

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