CN219110872U - Large-channel cold trap - Google Patents
Large-channel cold trap Download PDFInfo
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- CN219110872U CN219110872U CN202320121032.1U CN202320121032U CN219110872U CN 219110872 U CN219110872 U CN 219110872U CN 202320121032 U CN202320121032 U CN 202320121032U CN 219110872 U CN219110872 U CN 219110872U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses a large-channel cold trap, which belongs to the technical field of cold traps, and particularly relates to a large-channel cold trap, comprising a cold trap, wherein a refrigerant and a bent pipeline are arranged in the cold trap, and the bent pipeline is formed by splicing a plurality of U-shaped pipes; the left end of the bending pipeline is connected with the air inlet pipe through the first joint, one end of the air inlet pipe is connected with the air inlet pump, and the input end of the air inlet pump is connected with the exhaust pipe, so that the air inlet pipe has the beneficial effects that: by arranging the bent pipeline formed by splicing the plurality of U-shaped pipes, the length of the gas flow channel is effectively prolonged, so that the gas can be fully liquefied, and the gas with high melting point and the gas with low melting point can be separated more thoroughly; by arranging the circulating mechanism, the gas discharged along with the liquid can be reintroduced into the bent pipeline, so that the gas is subjected to re-liquefaction separation treatment, and the separation is more thorough.
Description
Technical Field
The utility model relates to the technical field of cold traps, in particular to a large-channel cold trap.
Background
A cold trap is a trap that traps gas in a condensing manner on a cooled surface. Is a device arranged between the vacuum container and the pump and used for adsorbing gas or capturing oil vapor. Devices that physically or chemically reduce the partial pressure of harmful components in a gas and vapor mixture are called traps. Cold trap processing is a cooling device that collects substances within a certain melting point range. A U-shaped pipe is placed in the refrigerant, when gas passes through the U-shaped pipe, substances with high melting points are changed into liquid, and substances with low melting points pass through the U-shaped pipe to play a role of separation.
The U-shaped pipe used in the existing cold trap has the advantages that the path length of the pipeline of the U-shaped pipe is short, the time for gas to pass through the pipeline is short, and substances with high melting points cannot be fully liquefied into liquid, so that a small amount of substances with high melting points pass through the U-shaped pipe along with the substances with low melting points, and the separation is incomplete.
Disclosure of Invention
The present utility model has been made in view of the problems existing in the prior art large channel cold trap.
Therefore, the utility model aims to provide a large-channel cold trap, which solves the problems that the path length of a U-shaped pipe used in the existing cold trap is short, the time for gas to pass through the pipe is short, and substances with high melting points cannot be fully liquefied into liquid, so that a small amount of substances with high melting points pass through the U-shaped pipe along with substances with low melting points, and the separation is incomplete.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a large-channel cold trap comprises a cold trap, wherein a refrigerant and a bent pipeline are arranged in the cold trap, and the bent pipeline is formed by splicing a plurality of U-shaped pipes;
the left end of the bending pipeline is connected with an air inlet pipe through a first joint, one end of the air inlet pipe is connected with an air inlet pump, and the input end of the air inlet pump is connected with an exhaust pipe.
As a preferred embodiment of the large-channel cold trap of the present utility model, wherein: a cover is arranged at the top end of the cold trap, and a sealing ring is arranged between the cover and the cold trap.
As a preferred embodiment of the large-channel cold trap of the present utility model, wherein: the liquid collecting device is characterized in that a liquid collecting container is arranged below the bent pipeline, a liquid inlet is formed in the top of the liquid collecting container, a liquid outlet is formed in the bottom of the bent pipeline, and the bottom of the liquid outlet is connected with the liquid inlet through a first through connecting piece.
As a preferred embodiment of the large-channel cold trap of the present utility model, wherein: the bottom of the liquid collecting container is provided with a liquid outlet, and the inner wall of the liquid outlet is in threaded connection with a liquid outlet pipeline.
As a preferred embodiment of the large-channel cold trap of the present utility model, wherein: the right end of the bent pipeline is connected with an air outlet pipeline through a second connector, and the air outlet pipeline penetrates out of the cold trap and extends to the outside of the cold trap.
As a preferred embodiment of the large-channel cold trap of the present utility model, wherein: the device also comprises a circulating mechanism;
the circulating mechanism comprises an air pump, the input end of the air pump is fixedly connected with an air release pipeline, one end, far away from the air pump, of the air release pipeline is connected with an air release port at the top end of the liquid collecting container through a second through connecting piece, and the output end of the air pump is connected with an air exhaust pipe through a conduit.
As a preferred embodiment of the large-channel cold trap of the present utility model, wherein: the device also comprises an air outlet accelerating mechanism;
the air outlet accelerating mechanism comprises an air pump, the input end of the air pump is fixedly connected with an air outlet pipeline, and the output end of the air pump is fixedly connected with an air duct.
Compared with the prior art:
by arranging the bent pipeline formed by splicing the plurality of U-shaped pipes, the length of the gas flow channel is effectively prolonged, so that the gas can be fully liquefied, and the gas with high melting point and the gas with low melting point can be separated more thoroughly;
the liquid outlet is arranged at the bottom of the bent pipeline and is connected with the liquid inlet at the top end of the liquid collecting container, so that liquid can be effectively and continuously discharged, and the separation efficiency is improved;
by arranging the circulating mechanism, the gas discharged along with the liquid can be reintroduced into the bent pipeline, so that the gas is subjected to re-liquefaction separation treatment, and the separation is more thorough.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of embodiment 2 of the present utility model;
FIG. 3 is a schematic structural diagram of embodiment 3 of the present utility model;
fig. 4 is a schematic structural diagram of embodiment 4 of the present utility model.
In the figure: cold trap 1, lid 2, ring 3, sealing washer 4, crooked pipeline 5, first joint 6, second joint 7, intake pipe 8, air inlet pump 9, exhaust tube 10, liquid outlet 11, air outlet pipe 12, first through connecting piece 13, liquid collecting container 14, inlet 15, liquid outlet 16, liquid outlet pipe 17, pipe 18, aspiration pump 19, air outlet 20, second through connecting piece 21, air outlet pipe 22, air pump 23, air duct 24.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Examples
The utility model provides a large-channel cold trap, please refer to fig. 1, including cold trap 1, cold trap 1 is set up as the open-topped box shape, the inside is easy to place the refrigerant, there are refrigerant and crooked tube 5 in cold trap 1, crooked tube 5 is spliced by several U-shaped tubes, a plurality of U-shaped tubes link together, and it is integrally formed, can lengthen the path length of crooked tube 5 greatly, make the time that the gas passes crooked tube 5 become, can make the gas with high melting point fully liquefy into liquid;
the left end of the bending pipeline 5 is connected with an air inlet pipe 8 through a first connector 6, the air inlet pipe 8 penetrates through a through hole in the cold trap 1 and extends to the outside of the cold trap 1, one end of the air inlet pipe 8 is connected with an air inlet pump 9, the air inlet pump 9 pumps an air source into the bending pipeline 5, the input end of the air inlet pump 9 is connected with an air exhaust pipe 10, and the air exhaust pipe 10 is used for being connected with the air source.
The top of cold trap 1 is equipped with lid 2, and the bottom is equipped with ring 3, and ring 3 imbeds in cold trap 1, is provided with sealing washer 4 between lid 2 and the cold trap 1, and sealing washer 4 can guarantee the leakproofness between cold trap 1 and the lid 2 effectively, also can avoid the coldness loss of the refrigerant in the cold trap 1.
The below of crooked pipeline 5 is equipped with liquid collecting container 14, and liquid collecting container 14's diapire is the cambered surface shape to liquid in liquid collecting container 14 can fully pass through liquid outlet 16 and discharge, and liquid collecting container 14's top is equipped with inlet 15, and crooked pipeline 5's bottom is provided with fluid outlet 11, and inlet 15 is connected through first through connecting piece 13 to fluid outlet 11 bottom, and first through connecting piece 13 has realized the connection between fluid outlet 11 and the inlet 15, and fluid outlet 11 and inlet 15 all with first through connecting piece 13 threaded connection.
A liquid outlet 16 is formed in the bottom of the liquid collecting container 14, and the inner wall of the liquid outlet 16 is in threaded connection with a liquid outlet pipeline 17; without the liquid outlet 16, the liquid collecting container 14 can be used as a container for storing liquid, and with the liquid outlet 16, the liquid collecting container 14 can be used as a transition container, and liquid can be led into other storage containers through the liquid outlet 16 and the liquid outlet pipeline 17.
The right end of the bent pipe 5 is connected with an air outlet pipe 12 through a second connector 7, the air outlet pipe 12 penetrates out of the cold trap 1 and extends to the outside of the cold trap 1, and the air outlet pipe 12 is used for allowing gas with low melting point to pass through.
When the gas-liquid separator is specifically used, a gas source to be separated is connected through the exhaust pipe 10, the gas inlet pump 9 is started to pump the gas into the bent pipeline 5, the gas in the bent pipeline 5 is subjected to the action of the refrigerant, the gas with high melting point is liquefied into liquid, the liquid enters the liquid collecting container 14 through the liquid outlet 11 and the liquid inlet 15, and the gas with low melting point is discharged through the gas outlet pipeline 12, so that the separation between the gas with high melting point and the gas with low melting point is realized.
Examples
Referring to fig. 2, unlike example 1, there is: the device also comprises a circulating mechanism; when the air pressure in the bending pipeline 5 is too high, the air in the bending pipeline 5 can enter the liquid collecting container 14 together with the liquid through the liquid outlet 11 and the liquid inlet 15, and at the moment, the air part needs to be reintroduced into the bending pipeline 5;
the circulation mechanism comprises an air pump 19, the air pump 19 is arranged on the outer wall of the cold trap 1, the air pump 19 can pump air in the liquid collecting container 14 into the air pump tube 10 through an air release pipeline 22, so that the air can be pumped into the bent pipeline 5 again under the action of the air inlet pump 9, the input end of the air pump 19 is fixedly connected with the air release pipeline 22, the air release pipeline 22 plays a role of communicating with the liquid collecting container 14, one end of the air release pipeline 22 away from the air pump 19 is connected with an air release port 20 at the top end of the liquid collecting container 14 through a second through connecting piece 21, and the output end of the air pump 19 is connected with an air inlet on the air pump 10 through a conduit 18.
When the device is specifically used, an air source to be separated is connected through the air exhaust pipe 10, the air exhaust pump 19 is started, the air inlet pump 9 is started to pump air into the bent pipeline 5, the air in the bent pipeline 5 is subjected to the action of a refrigerant, the air with high melting point is liquefied into liquid, the liquid enters the liquid collecting container 14 through the liquid outlet 11 and the liquid inlet 15, the air with low melting point is discharged through the air outlet pipeline 12, and separation between the air with high melting point and the air with low melting point is realized; part of the gas in the curved conduit 5 enters the liquid collecting container 14 together with the liquid, and the gas in the curved conduit 5 is pumped back into the gas suction tube 10 by the gas suction pump 19, and then enters the curved conduit 5.
Examples
Referring to fig. 3, unlike example 1, there is: the device also comprises an air outlet accelerating mechanism, which can accelerate the rapid discharge of air in the bent pipeline 5 and avoid the overlarge pressure in the bent pipeline 5;
the air outlet accelerating mechanism comprises an air pump 23, the air pump 23 is arranged on the outer wall of the cold trap 1, the input end of the air pump 23 is fixedly connected with an air outlet pipeline 12, and the output end of the air pump 23 is fixedly connected with an air duct 24.
When the device is specifically used, an air source to be separated is connected through the air exhaust pipe 10, the air inlet pump 9 is started to pump air into the bent pipeline 5, the air in the bent pipeline 5 is subjected to the action of a refrigerant, the air with high melting point is liquefied into liquid, the liquid enters the liquid collecting container 14 through the liquid outlet 11 and the liquid inlet 15, and the air with low melting point is discharged through the air outlet pipeline 12, so that the separation between the air with high melting point and the air with low melting point is realized; at this time, the air pump 23 may be started to accelerate the flow rate of the gas in the bent pipe 5 and the gas separation rate.
Examples
Referring to fig. 4, unlike example 1, there is: the device also comprises a circulating mechanism;
the circulation mechanism comprises an air pump 19, the input end of the air pump 19 is fixedly connected with an air release pipeline 22, one end of the air release pipeline 22 away from the air pump 19 is connected with an air release port 20 at the top end of the liquid collection container 14 through a second through connecting piece 21, and the output end of the air pump 19 is connected with an air extraction pipe 10 through a conduit 18;
the device also comprises an air outlet accelerating mechanism;
the air outlet accelerating mechanism comprises an air pump 23, the input end of the air pump 23 is fixedly connected with an air outlet pipeline 12, and the output end of the air pump 23 is fixedly connected with an air duct 24.
When the device is specifically used, an air source to be separated is connected through the air exhaust pipe 10, the air exhaust pump 19 is started, the air inlet pump 9 is started to pump air into the bent pipeline 5, the air in the bent pipeline 5 is subjected to the action of a refrigerant, the air with high melting point is liquefied into liquid, the liquid enters the liquid collecting container 14 through the liquid outlet 11 and the liquid inlet 15, the air with low melting point is discharged through the air outlet pipeline 12, and separation between the air with high melting point and the air with low melting point is realized; part of the gas in the bent pipeline 5 enters the liquid collecting container 14 along with the liquid, and the gas in the bent pipeline 5 is pumped back into the gas pumping pipe 10 by the gas pumping pump 19 and then enters the bent pipeline 5; at this time, the air pump 23 may be started to accelerate the flow rate of the gas in the bent pipe 5 and the gas separation rate.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. Large channel cold trap, including cold trap (1), be provided with cryogen and crooked pipeline (5) in cold trap (1), its characterized in that: the bending pipeline (5) is formed by splicing a plurality of U-shaped pipes;
the left end of the bending pipeline (5) is connected with an air inlet pipe (8) through a first connector (6), one end of the air inlet pipe (8) is connected with an air inlet pump (9), and the input end of the air inlet pump (9) is connected with an exhaust pipe (10).
2. A large channel cold trap according to claim 1, wherein the top end of the cold trap (1) is provided with a cover (2), and a sealing ring (4) is arranged between the cover (2) and the cold trap (1).
3. A large channel cold trap according to claim 1, characterized in that a liquid collecting container (14) is arranged below the bending pipeline (5), a liquid inlet (15) is arranged at the top of the liquid collecting container (14), a liquid outlet (11) is arranged at the bottom of the bending pipeline (5), and the bottom of the liquid outlet (11) is connected with the liquid inlet (15) through a first through connecting piece (13).
4. A large channel cold trap according to claim 3, wherein the bottom of the liquid collecting container (14) is provided with a liquid outlet (16), and the inner wall of the liquid outlet (16) is in threaded connection with a liquid outlet pipe (17).
5. A large tunnel cold trap according to any one of claims 1-4, wherein the right end of the curved pipe (5) is connected to an outlet pipe (12) by a second connector (7), the outlet pipe (12) passing out of the cold trap (1) and extending outside the cold trap (1).
6. The large tunnel cold trap of claim 5, further comprising a circulation mechanism;
the circulating mechanism comprises an air pump (19), the input end of the air pump (19) is fixedly connected with an air release pipeline (22), one end, far away from the air pump (19), of the air release pipeline (22) is connected with an air release port (20) at the top end of the liquid collecting container (14) through a second through connecting piece (21), and the output end of the air pump (19) is connected with an air exhaust pipe (10) through a guide pipe (18).
7. The large tunnel cold trap of claim 5, further comprising an air out acceleration mechanism;
the air outlet accelerating mechanism comprises an air pump (23), the input end of the air pump (23) is fixedly connected with an air outlet pipeline (12), and the output end of the air pump (23) is fixedly connected with an air duct (24).
8. The large tunnel cold trap of claim 6, further comprising an air out acceleration mechanism;
the air outlet accelerating mechanism comprises an air pump (23), the input end of the air pump (23) is fixedly connected with an air outlet pipeline (12), and the output end of the air pump (23) is fixedly connected with an air duct (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320121032.1U CN219110872U (en) | 2023-02-06 | 2023-02-06 | Large-channel cold trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320121032.1U CN219110872U (en) | 2023-02-06 | 2023-02-06 | Large-channel cold trap |
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| Publication Number | Publication Date |
|---|---|
| CN219110872U true CN219110872U (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320121032.1U Active CN219110872U (en) | 2023-02-06 | 2023-02-06 | Large-channel cold trap |
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| Country | Link |
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| CN (1) | CN219110872U (en) |
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2023
- 2023-02-06 CN CN202320121032.1U patent/CN219110872U/en active Active
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