CN216952611U - Helium gas filling is evacuation system for equipment - Google Patents
Helium gas filling is evacuation system for equipment Download PDFInfo
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- CN216952611U CN216952611U CN202220861145.0U CN202220861145U CN216952611U CN 216952611 U CN216952611 U CN 216952611U CN 202220861145 U CN202220861145 U CN 202220861145U CN 216952611 U CN216952611 U CN 216952611U
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Abstract
The utility model belongs to the technical field of vacuumizing, and particularly relates to a vacuumizing system for a helium gas charging device, which comprises a main pipe, branch pipes and a movable oil type vacuum device, wherein the movable oil type vacuum device comprises a movable trolley, an oil type vacuum pump and a buffer tank, the top end of the buffer tank is provided with an air suction pipe and an air outlet pipe, the air outlet pipe is communicated with the oil type vacuum pump through a first hose, and the air suction pipe is communicated with the main pipe through a second hose. The vacuumizing system for the helium gas charging equipment provided by the utility model has the advantages that the air exhaust capacity is greatly improved, the vacuumizing replacement time is relatively shortened, the maintenance period is relatively short, the maintenance cost and the production cost are greatly reduced, the working efficiency is improved, and the vacuumizing system is convenient and safe to use and move.
Description
Technical Field
The utility model belongs to the technical field of vacuumizing, and particularly relates to a vacuumizing system for helium gas filling equipment.
Background
The liquid helium tank enters a subpackaging station, the liquid helium tank is connected with a subpackaging system through a gas (liquid) phase hose, before formal subpackaging, the gas (liquid) phase hose between the tank and the subpackaging system needs to be vacuumized, replaced and analyzed, after the helium in the tank is qualified, the helium enters a high-purity air temperature vaporizer through a gas (liquid) phase pipeline, the normal-temperature high-purity helium after heat exchange enters a buffer tank, then enters a high-purity helium press for pressurization, oil and water carried by the high-purity helium press are removed through filtering and prying of the high-purity helium, the helium is conveyed to a high-purity flower basket/collection lattice or a high-purity filling station for filling of the high-purity helium, and before filling, the high-purity flower basket/collection lattice or the high-purity long tube and corresponding pipelines need to be vacuumized and replaced (see attached figure 1).
At present, in the split charging process of high-purity helium gas, because of the replacement requirement, the pipeline, the high-purity gas cylinder/grid or the high-purity long pipe needs to be vacuumized and replaced frequently, a dry vacuumizing system (shown in an attached drawing 2) is generally used in the traditional process, the air pumping capacity is limited to a certain extent (generally, the speed is less than or equal to 60m for carrying out cultivation/h), the vacuumizing and replacing time is relatively long (16L gas cylinders with processed qualified dew points need to be pumped for 60-70 min), the maintenance period is relatively short (half a year, one small maintenance, one year, one large maintenance), and the maintenance cost is relatively high.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a vacuum pumping system for helium charging equipment, which has relatively short vacuum pumping and replacement time, low maintenance cost and low production cost, so as to solve the problems mentioned in the background art.
In order to achieve the technical purpose, the technical scheme of the utility model is as follows:
the utility model provides a helium gas charging equipment is with vacuum pumping system, includes the house steward, be equipped with a plurality of minutes pipes on the house steward, every all be equipped with the on-off control valve on the branch pipe, the one end and the portable oily formula vacuum apparatus intercommunication of house steward, portable oily formula vacuum apparatus includes the travelling car, be equipped with oily formula vacuum pump and buffer tank on the travelling car, the top of buffer tank is equipped with breathing pipe and outlet duct respectively, the bottom of breathing pipe and outlet duct stretches into respectively in the buffer tank, just the outlet duct stretches into length in the buffer tank is greater than the breathing pipe stretches into length in the buffer tank, the top department of outlet duct is equipped with first ball valve, first ball valve through first hose with oily formula vacuum pump intercommunication, the top of breathing pipe through the second hose with the one end intercommunication of house steward.
As an improvement, one end of the main pipe is provided with a tee joint, the other two ports of the tee joint are respectively provided with a second ball valve and a third ball valve, the second ball valve is communicated with the second hose, and the third ball valve is communicated with the dry vacuum pump.
Preferably, the dry vacuum pump is a double-sided oil-free scroll vacuum pump.
As an improvement, a check valve is arranged at the top end of the air outlet pipe, and the outlet end of the check valve is communicated with the first ball valve.
As an improvement, the lower part of the buffer tank is provided with a sewage draining outlet, and the sewage draining outlet is provided with a sewage draining valve.
As an improvement, the main pipe is provided with an electromagnetic valve, a pressure gauge and a vacuum gauge.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the vacuum pumping system provided by the utility model adopts the movable oil type vacuum pumping device, the air pumping capacity is greatly improved, the air pumping capacity can reach 100m for each hour, the vacuum pumping replacement time is relatively shortened, 16 bottles with qualified processed dew points of 40L need to be pumped for 20-25 min, the replacement time is shortened to 1/3 of the original replacement time (60-70 min), the maintenance period is relatively short, only about 2000 hours of vacuum oil (6.5L/time) needs to be replaced, the maintenance cost and the production cost are greatly reduced, the working efficiency is improved, and the vacuum pumping system is convenient and safe to use and move.
The utility model discloses a nimble cooperation of tee bend and second ball valve and third ball valve, accomplished with dry vacuum pump and portable oily formula evacuating device to the real-time switching of equipment evacuation, and portable oily formula evacuating device can be and can divide with dry vacuum pump, portable oily formula evacuating device can give a certain equipment (like the gas cylinder, collection check or long tube) evacuation alone, realized among the evacuation system dry vacuum pump and portable oily formula evacuating device each other for reserve and high-efficient operation, the maintenance expense has been reduced, the production cost is reduced, economic benefits has been improved.
Drawings
FIG. 1 is a simplified process flow diagram of a liquid helium tank filled with high purity helium gas in accordance with the background of the present invention;
FIG. 2 is a schematic diagram of a dry vacuum system according to the background of the utility model;
FIGS. 3 and 4 are schematic structural views of an evacuation system for a helium charging apparatus according to the present invention;
wherein: 1-main pipe, 2-tee joint, 3-second ball valve, 4-third ball valve, 5-movable oil type vacuum device, 6-dry vacuum pump, 7-branch pipe, 8-on-off control valve, 9-pressure gauge, 10-second hose, 11-third hose, 51-movable trolley, 52-oil type vacuum pump, 53-buffer tank, 54-air suction pipe, 55-air outlet pipe, 56-check valve, 57-first ball valve, 58-blow-down valve and 59-first hose.
Detailed Description
The present invention will be further described with reference to the following detailed description and accompanying drawings. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
As shown in fig. 3, a vacuumizing system for helium gas filling equipment, which comprises a main pipe 1, one end of the main pipe 1 is provided with a tee joint 2, the other two ports of the tee joint 2 are respectively provided with a second ball valve 3 and a third ball valve 4, the second ball valve 3 is communicated with a movable oil type vacuum device 5, the third ball valve 4 is communicated with a dry vacuum pump 6 through a third hose 11, the dry vacuum pump 6 is preferably a bilateral oil-free scroll vacuum pump, the other end of the main pipe 1 is provided with a switch valve or a closed end, the main pipe 1 is provided with a plurality of branch pipes 7, each branch pipe 7 is provided with a switch control valve 8, the branch pipes 7 are respectively communicated with a liquid helium tank, a filling platform, a gas cylinder, a flower basket and other equipment, and the main pipe 1 is provided with a solenoid valve, a pressure gauge 9 and a vacuum gauge.
The movable oil type vacuum device 5 comprises a movable trolley 51, an oil type vacuum pump 52 and a buffer tank 53 are arranged on the movable trolley 51, the tank volume (15-20L) of the buffer tank 53 is 2.5-3 times of the oil tank volume of the oil type vacuum pump 52, the top end of the buffer tank 53 is respectively provided with an air suction pipe 54 and an air outlet pipe 55, and the movable trolley 51 enables the device to be convenient to move.
The bottom ends of the air suction pipe 54 and the air outlet pipe 55 are respectively inserted into the buffer tank 53, the air suction pipe 54 is inserted shallowly, the air outlet pipe 55 is inserted deeply, that is, the length of the air outlet pipe 55 inserted into the buffer tank 53 is greater than the length of the air inlet pipe 54 inserted into the buffer tank 53, a check valve 56 is provided at the top end of the air outlet pipe 55, the outlet end of the check valve 56 is communicated with a first ball valve 57, so that the vacuum pump oil is sucked back into the buffer tank 53 under special conditions (such as misoperation or power failure and failure of the check valve), thereby avoiding the vacuum pump oil from entering the split charging system pipeline or equipment to cause system pollution and paralysis, the lower part of the buffer tank 53 is provided with a sewage discharge outlet, the sewage discharge outlet is provided with a sewage discharge valve 58, the oil sucked back into the buffer tank 53 is discharged through the drain port, the first ball valve 57 is communicated with the oil type vacuum pump 52 through the first hose 59, and the top end of the suction pipe 54 is communicated with the second ball valve 3 through the second hose 10.
As shown in fig. 4, the structure of the present invention may also be as follows: the utility model provides a helium gas fills vacuum pumping system for equipment, including house steward 1, the one end of house steward 1 is equipped with second ball valve 3, second ball valve 3 passes through second hose 10 and 5 intercommunications of portable oily formula vacuum apparatus, portable oily formula vacuum apparatus 5 includes travelling car 51, be equipped with oily formula vacuum pump 52 and buffer tank 53 on the travelling car 51, the jar body volume (15 ~ 20L) of buffer tank 53 is 2.5~3 times oily formula vacuum pump 52's oil tank volume, the top of buffer tank 53 is equipped with breathing pipe 54 and outlet duct 55 respectively.
The bottom ends of the air suction pipe 54 and the air outlet pipe 55 are respectively inserted into the buffer tank 53, the air suction pipe 54 is inserted shallowly, the air outlet pipe 55 is inserted deeply, that is, the length of the air outlet pipe 55 inserted into the buffer tank 53 is greater than that of the air suction pipe 54 inserted into the buffer tank 53, the top end of the air outlet pipe 55 is provided with a check valve 56, the outlet end of the check valve 56 is communicated with a first ball valve 57, the lower part of the buffer tank 53 is provided with a sewage discharge outlet, the sewage discharge outlet is provided with a sewage discharge valve 58, oil sucked back into the buffer tank 53 can be discharged through the sewage discharge outlet, the first ball valve 57 is communicated with the oil type vacuum pump 52 through a first hose 59, and the top end of the air suction pipe 54 is communicated with a second ball valve 3 through a second hose 10.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. A vacuumizing system for helium charging equipment comprises a main pipe, wherein the main pipe is provided with a plurality of branch pipes, each branch pipe is provided with a switch control valve, it is characterized in that one end of the main pipe is communicated with a movable oil type vacuum device which comprises a movable trolley, the movable trolley is provided with an oil type vacuum pump and a buffer tank, the top end of the buffer tank is respectively provided with an air suction pipe and an air outlet pipe, the bottom ends of the air suction pipe and the air outlet pipe respectively extend into the buffer tank, and the length of the air outlet pipe extending into the buffer tank is longer than the length of the air suction pipe extending into the buffer tank, the top end of the air outlet pipe is provided with a first ball valve, the first ball valve is communicated with the oil type vacuum pump through a first hose, and the top end of the air suction pipe is communicated with one end of the main pipe through a second hose.
2. The evacuation system for a helium charging apparatus according to claim 1, wherein one end of said manifold is provided with a tee, and the other two ports of said tee are provided with a second ball valve and a third ball valve, respectively, said second ball valve being in communication with said second hose, and said third ball valve being in communication with a dry vacuum pump.
3. The evacuation system for a helium charging apparatus of claim 2, wherein the dry vacuum pump is a double-sided oil-free scroll vacuum pump.
4. The evacuation system for helium charging equipment of claim 1, wherein a check valve is disposed at a top end of said outlet tube, and an outlet end of said check valve is communicated with said first ball valve.
5. The evacuation system for a helium filling apparatus of claim 1, wherein a drain outlet is provided at a lower portion of the buffer tank, and a drain valve is provided at the drain outlet.
6. The evacuation system for a helium charging apparatus of claim 1, wherein said manifold is provided with a solenoid valve, a pressure gauge and a vacuum gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220861145.0U CN216952611U (en) | 2022-04-14 | 2022-04-14 | Helium gas filling is evacuation system for equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220861145.0U CN216952611U (en) | 2022-04-14 | 2022-04-14 | Helium gas filling is evacuation system for equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216952611U true CN216952611U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220861145.0U Active CN216952611U (en) | 2022-04-14 | 2022-04-14 | Helium gas filling is evacuation system for equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216952611U (en) |
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2022
- 2022-04-14 CN CN202220861145.0U patent/CN216952611U/en active Active
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