CN217567507U - Multifunctional vacuum cold trap - Google Patents
Multifunctional vacuum cold trap Download PDFInfo
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- CN217567507U CN217567507U CN202221315479.4U CN202221315479U CN217567507U CN 217567507 U CN217567507 U CN 217567507U CN 202221315479 U CN202221315479 U CN 202221315479U CN 217567507 U CN217567507 U CN 217567507U
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- barrel
- fixed
- outer barrel
- coolant
- coil pipe
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Abstract
The utility model relates to a multi-functional vacuum cold-trap, including barrel subassembly and the coil pipe of setting in the barrel subassembly, the barrel subassembly includes outer barrel and pegs graft at the internal interior barrel of urceolus, form the cooling shell side between outer barrel and the interior barrel, the coil pipe cup joints on the outer wall of interior barrel, multi-functional vacuum cold-trap both can use the liquid nitrogen to be the coolant, also can use the refrigerant as coolant, can adjust according to engineering site work condition, when the engineering site does not possess the liquid nitrogen as coolant, can adopt the refrigerant as coolant, the winding mode of coil pipe is two-way two-screw formula winding, greatly increased gaseous and coolant's contact area and dwell time, the heat transfer effect is better, steam or impurity in the gas can be better condensation get off, improve the pumping speed and the vacuum of vacuum pump, interior barrel can independently take out, when needs wash, can take it out alone, wash interior barrel and coil pipe, operation and easy maintenance.
Description
The technical field is as follows:
the utility model relates to a vacuum system technical field especially relates to a multi-functional vacuum cold-trap.
The background art comprises the following steps:
with the development of modern industry and technology, higher and higher requirements are put on vacuum technology. In a vacuum system, a large amount of impurities such as water vapor and oil vapor are generally mixed in an air pumping medium, which affects the vacuum degree of the vacuum system and the pumping speed performance of a vacuum pump. One of the effective measures for improving the vacuum degree is to add a cold trap in front of the vacuum pump, wherein the cold trap can efficiently trap condensable gas and prevent water vapor or oil vapor from entering a measuring instrument or a vacuum pump, so that the problems are effectively avoided.
The structure type of the existing cold trap is generally divided into a jacket type cold trap and a tube array type cold trap, the jacket type cold trap can only add liquid nitrogen into an inner tube as a cooling medium, the tube array type cold trap can only be filled with a refrigerant as the cooling medium, a heat exchange tube is difficult to clean, and if the tube array type cold trap is not cleaned for a long time, dirt can be accumulated in the heat exchange tube, so that the heat transfer effect is reduced.
The utility model has the following contents:
the utility model aims at prior art's defect, provide a structural design is reasonable, can adjust the cooling method, dismantle convenient multi-functional vacuum cold trap according to the operating mode.
The utility model discloses a realize through following technical scheme: the utility model provides a multi-functional vacuum cold trap, includes barrel subassembly and sets up the coil pipe in the barrel subassembly, the barrel subassembly includes outer barrel and the interior barrel of pegging graft in the urceolus, the top of outer barrel is fixed with the urceolus flange, and the outer wall bottom of outer barrel is fixed with the air inlet that is linked together rather than the inner chamber, and the outer wall top of outer barrel is fixed with the gas outlet that is linked together rather than the inner chamber, and the bottom of outer barrel is fixed with the drain that is used for discharging the comdenstion water that is linked together rather than the inner chamber, the inner barrel top is fixed with the inner tube flange, and the inner tube flange is connected with urceolus flange detachably sealing, be fixed with refrigerant import, refrigerant export on the lateral wall of inner tube flange, form the cooling shell side between outer barrel and the inner barrel, the inner tube flange lid closes the top cap, the coil pipe sets up in the cooling shell side, and the coil pipe cup joints on the outer wall of inner barrel, and the both ends of coil pipe are linked together with import, refrigerant export respectively, wherein, the air inlet is linked together through cooling shell side and gas outlet.
In order to realize the detachable fixation of the cylinder body, a plurality of support supports are uniformly fixed on the outer wall of the outer cylinder body.
Furthermore, in order to realize fine adjustment of the installation position of the barrel body, the support comprises a support rod, a support sleeve sleeved on the support rod and a fixing seat fixed at one end of the support sleeve, the support rod is fixed with the outer wall of the outer barrel body, and the support sleeve can slide on the support rod and is locked through a bolt.
In order to increase the length of the coil and improve the condensation function of air moisture, the coil is a double-thread coil.
The utility model has the advantages that: this multi-functional vacuum cold trap both can use the liquid nitrogen to do coolant, also can use the refrigerant as coolant, can adjust according to the engineering scene operating mode, when the engineering scene does not possess the liquid nitrogen as coolant, can adopt the refrigerant as coolant, the winding form of coil pipe is two-way two-screw winding, greatly increased gaseous and coolant's contact area and dwell time, the heat transfer effect is better, steam or impurity in the gas can be better condensation get off, improve the air exhaust speed and the vacuum of vacuum pump, interior barrel can independently take out, when needs wash, can take out it alone, wash interior barrel and coil pipe, operation and easy maintenance.
Description of the drawings:
fig. 1 is a schematic plan view of the multi-functional vacuum cold trap of the present invention.
The specific implementation mode is as follows:
the following description of the preferred embodiments of the present invention will be provided with reference to the accompanying drawings, so that the advantages and features of the present invention can be easily understood by those skilled in the art, and the scope of the present invention can be clearly and clearly defined.
The multifunctional vacuum cold trap shown in fig. 1 comprises a cylinder assembly and a coil pipe 3 arranged in the cylinder assembly, wherein the cylinder assembly comprises an outer cylinder 1 and an inner cylinder 2 inserted in the outer cylinder 1;
an outer barrel flange 14 is fixed at the top end of the outer barrel 1, an air inlet 11 communicated with the inner cavity of the outer barrel 1 is fixed at the bottom end of the outer wall of the outer barrel 1, an air outlet 12 communicated with the inner cavity of the outer barrel 1 is fixed at the top end of the outer wall of the outer barrel 1, and a drain outlet 13 communicated with the inner cavity of the outer barrel 1 is fixed at the bottom end of the outer barrel 1;
an inner cylinder flange 21 is fixed at the top end of the inner cylinder 2, the inner cylinder flange 21 is detachably and hermetically connected with the outer cylinder flange 14 through bolts, a refrigerant inlet 31 and a refrigerant outlet 32 are fixed on the side wall of the inner cylinder flange 21, and a cooling shell pass 6 capable of cooling gas in a flowing manner is formed between the outer cylinder 1 and the inner cylinder 2;
the inner cylinder flange 21 covers the top cover 4.
Coil pipe 3 sets up in cooling shell side 6, and the height that spirals of coil pipe 3 is corresponding with cooling shell side 6's height, make full use of cooling shell side 6's finite space, and coil pipe 3 cup joints on the outer wall of interior barrel 2, and the both ends of coil pipe 3 are linked together with refrigerant import 31, refrigerant export 32 respectively.
The air inlet 11 is communicated with the air outlet 12 through the cooling shell pass 6.
And a plurality of support supports 5 are uniformly fixed on the outer wall of the outer cylinder body 1.
The support 5 is of a detachable structure, the support 5 comprises a support rod 51, a support sleeve 52 sleeved on the support rod 51 and a fixing seat 53 fixed at one end of the support sleeve 52, the support rod 51 is fixed with the outer wall of the outer barrel 1, and the support sleeve 52 can slide on the support rod 51 and is locked through a bolt.
In this embodiment, in order to improve the condensing capacity of the coil, it is preferable that the coil 3 is a double-thread coil.
In operation, there are two modes of condensation: 1. the air inlet 11 and the air outlet 12 of the multifunctional vacuum cold trap are connected with a vacuum system, the inner cylinder 2 can be filled with liquid nitrogen and is covered by the cover plate 4 to prevent the liquid nitrogen from evaporating, and the liquid nitrogen is subjected to heat exchange with the gas in the coil pipe 3 and the cooling shell pass 6 through the outer wall of the inner cylinder to cool down easily-condensed substances in the gas and is discharged through the exhaust port 13. 2. When the engineering scene does not have the liquid nitrogen as coolant, can adopt the refrigerant as coolant, the refrigerant gets into from coil pipe 3's refrigerant import 31, after two spiral coil pipes, from refrigerant export 32 outflow, gas in the shell side is through when cooling shell side 6, carry out the heat exchange with the refrigerant in the coil pipe 6, vapor or oil vapor in the gas are got off by the condensation, wherein, the coil pipe of two spiral of coil pipe, the tube side has been increased, greatly increased heat transfer area, improve the condensation effect.
The multifunctional cold trap is arranged in a vacuum system, the air inlet 11 is connected with a vacuum pumping pipeline, the air outlet 12 is connected with a vacuum buffer tank and a vacuum pump, when the system is vacuumized, gas exchanges heat with the multifunctional cold trap, and steam or effective components are condensed and collected to protect the vacuum pump.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.
Claims (4)
1. A multi-functional vacuum cold-trap which characterized in that: the device comprises a barrel assembly and a coil pipe (3) arranged in the barrel assembly, wherein the barrel assembly comprises an outer barrel (1) and an inner barrel (2) inserted in the outer barrel (1);
an outer barrel flange (14) is fixed at the top end of the outer barrel (1), an air inlet (11) communicated with the inner cavity of the outer barrel (1) is fixed at the bottom end of the outer wall of the outer barrel (1), an air outlet (12) communicated with the inner cavity of the outer barrel (1) is fixed at the top end of the outer wall of the outer barrel, and a clean discharge port (13) communicated with the inner cavity of the outer barrel (1) is fixed at the bottom end of the outer barrel;
an inner cylinder flange (21) is fixed at the top end of the inner cylinder (2), the inner cylinder flange (21) is detachably connected with the outer cylinder flange (14), a refrigerant inlet (31) and a refrigerant outlet (32) are fixed on the side wall of the inner cylinder flange (21), and a cooling shell pass (6) is formed between the outer cylinder (1) and the inner cylinder (2);
the top end of the inner cylinder flange (21) is covered with the top cover (4);
the coil (3) is arranged in the cooling shell pass (6), the coil (3) is sleeved on the outer wall of the inner cylinder body (2), and two ends of the coil (3) are respectively communicated with the refrigerant inlet (31) and the refrigerant outlet (32);
the air inlet (11) is communicated with the air outlet (12) through the cooling shell pass (6).
2. The multi-functional vacuum cold trap according to claim 1, wherein: a plurality of support supports (5) are uniformly fixed on the outer wall of the outer cylinder body (1).
3. The multi-functional vacuum cold trap according to claim 2, wherein: the support (5) comprises a support rod (51), a support sleeve (52) sleeved on the support rod (51) and a fixing seat (53) fixed at one end of the support sleeve (52), the support rod (51) is fixed with the outer wall of the outer barrel body (1), and the support sleeve (52) can slide on the support rod (51) and is locked through a bolt.
4. The multi-functional vacuum cold trap according to claim 1, wherein: the coil (3) is a double-thread coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315479.4U CN217567507U (en) | 2022-05-30 | 2022-05-30 | Multifunctional vacuum cold trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221315479.4U CN217567507U (en) | 2022-05-30 | 2022-05-30 | Multifunctional vacuum cold trap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217567507U true CN217567507U (en) | 2022-10-14 |
Family
ID=83528168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221315479.4U Active CN217567507U (en) | 2022-05-30 | 2022-05-30 | Multifunctional vacuum cold trap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217567507U (en) |
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2022
- 2022-05-30 CN CN202221315479.4U patent/CN217567507U/en active Active
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