CN203939675U - Many bottles of Dewar tank interlayer vacuum-pumping systems - Google Patents
Many bottles of Dewar tank interlayer vacuum-pumping systems Download PDFInfo
- Publication number
- CN203939675U CN203939675U CN201420234018.3U CN201420234018U CN203939675U CN 203939675 U CN203939675 U CN 203939675U CN 201420234018 U CN201420234018 U CN 201420234018U CN 203939675 U CN203939675 U CN 203939675U
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- China
- Prior art keywords
- vacuum
- pump
- oil diffusion
- pipeline
- diffusion pump
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- Expired - Lifetime
Links
- 239000011229 interlayer Substances 0.000 title claims abstract description 23
- 238000005086 pumping Methods 0.000 title claims abstract description 23
- 238000009792 diffusion process Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 8
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses many bottles of Dewar tank interlayer vacuum-pumping systems, it comprises oil diffusion pump and Roots pump, before oil diffusion pump, dispose oil diffusion pump prime sliding vane rotary pump, before Roots pump, dispose Roots pump prime sliding vane rotary pump, both sides, oil diffusion pump upper end are connected with vacuum main line respectively, on the pipeline of both sides, oil diffusion pump upper end, dewpoint meter is installed, uniform multiple vacuum branched pipes on vacuum main line, oil diffusion pump upper end one side is caught cold-trap with water vapor and is connected, water vapor is caught cold-trap and is connected with Roots pump by pipeline, this pipeline side is connected to oil diffusion pump prime sliding vane rotary pump by another pipeline.The system optimization of many bottles of Dewar tank interlayer vacuum-pumpings vacuum line, ensured the conformity of the vacuum quality of product, had two vacuum main lines, and vacuum port is consistent apart from pipeline two lateral extents of vacuum unit, reduce the resistance of pumped gas, thereby improved pumping speed and degree of vacuum.
Description
Technical field
The utility model relates to a kind of many bottles of Dewar tank interlayer vacuum-pumping systems.
Background technique
The Dewar tank manufacturing enterprise of most is all the interlayer of taking out single Dewar tank with separate unit vacuum pump, and this method has following some shortcoming: the one, and inefficiency, Dewar tank is difficult to batch production; The 2nd, because Dewar tank needs repeated multiple times degree of vacuum of filling, taking out hot nitrogen and improve Dewar tank interlayer in process of production, so the operating time is oversize, operation is too complicated, easily causes the waste of resource, generally speaking causes unstable product quality.A known disclosed patent 201110434068.7, many bottles of Dewar tank interlayer vacuum-pumping systems and vacuum extraction method thereof, on vacuum tube, be distributed with multiple Dewar tank interlayer mouth interfaces, although can disposablely take out branched Dewar tank, but it only has a vacuum tube, the too many interface that distributes on pipe, due to more and more longer apart from the pipeline of vacuum unit, cause degree of vacuum inconsistent, unstable product quality.Therefore, need to provide a kind of new technological scheme to solve the problems referred to above.
Model utility content
For addressing the above problem, the utility model provides many bottles of a kind of Dewar tank interlayer vacuum-pumping systems.Optimize vacuum line system, made the conformity of vacuum quality.
The technical solution adopted in the utility model is:
Many bottles of Dewar tank interlayer vacuum-pumping systems, it comprises oil diffusion pump and Roots pump, before described oil diffusion pump, dispose oil diffusion pump prime sliding vane rotary pump, before described Roots pump, dispose Roots pump prime sliding vane rotary pump, both sides, described oil diffusion pump upper end are connected with vacuum main line respectively, on the pipeline of both sides, described oil diffusion pump upper end, dewpoint meter is installed, uniform multiple vacuum branched pipes on described vacuum main line, described oil diffusion pump upper end one side is caught cold-trap with water vapor and is connected, described water vapor is caught cold-trap and is connected with Roots pump by pipeline, this pipeline side is connected to oil diffusion pump prime sliding vane rotary pump by another pipeline.
On each vacuum branched pipe, vacuum solenoid is installed, described vacuum branched pipe is provided with many group vacuum orifices, and vacuum leak hunting solenoid valve is installed on described vacuum orifice, also has the hot nitrogen of nitrogen replacement and pour mouth on described vacuum branched pipe.
Described water vapor is caught on the pipeline that cold-trap is connected with Roots pump gas charging valve is installed.
The beneficial effects of the utility model: the system optimization of many bottles of Dewar tank interlayer vacuum-pumpings vacuum line, ensure the conformity of the vacuum quality of product, there are two vacuum main lines, and vacuum port is consistent apart from pipeline two lateral extents of vacuum unit, reduce the resistance of pumped gas, thereby improved pumping speed and degree of vacuum.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side view of the present utility model.
Fig. 3 is plan view of the present utility model.
Wherein: 1, vacuum orifice, 2, the hot nitrogen of nitrogen replacement pours mouth, 3, vacuum leak hunting solenoid valve, 4, vacuum solenoid, 5, vacuum main line, 6, vacuum branched pipe, 7, water vapor is caught cold-trap, and 8, gas charging valve, 9, Roots pump, 10, Roots pump prime sliding vane rotary pump, 11, oil diffusion pump prime sliding vane rotary pump, 12, dewpoint meter, 13, oil diffusion pump, 14, pipeline, 15, another pipeline.
Embodiment
In order to deepen understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and this embodiment only, for explaining the utility model, does not form the restriction to protection domain of the present utility model.
As shown in Figures 1 to 3, many bottles of Dewar tank interlayer vacuum-pumping systems of the present utility model, it comprises oil diffusion pump 13 and Roots pump 9, before oil diffusion pump 13, dispose oil diffusion pump prime sliding vane rotary pump 11, before Roots pump 9, dispose Roots pump prime sliding vane rotary pump 10, oil diffusion pump 13 both sides, upper end are connected with vacuum main line 5 respectively, be compared to prior art, there are two vacuum main lines 5, can disposablely take out branched Dewar tank, and vacuum port is consistent apart from pipeline two lateral extents of vacuum unit, keep degree of vacuum consistent, on the pipeline of oil diffusion pump 13 both sides, upper end, dewpoint meter 12 is installed, dewpoint meter 12 can be implemented omnibearing monitoring to the workmanship of container interlayer vacuum-pumping, on vacuum main line 5, in uniform multiple vacuum branched pipe 6(Fig. 1, show 4 branches), oil diffusion pump 13 upper end one sides are caught cold-trap 7 with water vapor and are connected, it is the water vapour absorbing in pumped gas that water vapor is caught cold-trap 7 effects, the gas that guarantee enters vacuum pump is dried, prevent the pollution of pumping fluid in the pump housing, water vapor is caught cold-trap 7 and is connected with Roots pump 9 by pipeline 14, water vapor is caught on the pipeline 14 that cold-trap 7 is connected with Roots pump 9 gas charging valve 8 is installed, these pipeline 14 sides are connected to oil diffusion pump prime sliding vane rotary pump 11 by another pipeline 15.
On each vacuum branched pipe 6, vacuum solenoid 4 is installed, vacuum branched pipe 6 is provided with many group vacuum orifices 1, and vacuum leak hunting solenoid valve 3 is installed on vacuum orifice 1, also has the hot nitrogen of nitrogen replacement and pour mouth 2 on vacuum branched pipe 6.Pour mouth 2 by the hot nitrogen of nitrogen replacement and fill the heated nitrogen that is not less than 100 DEG C in vacuum system pipeline, many bottles of Dewar tank interlayer vacuum-pumping systems complete the operation of a Dewar tank interlayer vacuum-pumping.
The system optimization of many bottles of Dewar tank interlayer vacuum-pumpings of the utility model vacuum line system, ensure the conformity of the vacuum quality of product, there are two vacuum main lines 5, and vacuum port is consistent apart from pipeline two lateral extents of vacuum unit, reduce the resistance of pumped gas, thereby improved pumping speed and degree of vacuum.
The dewpoint meter that Switzerland's import is housed in LNG interlayer vacuum-pumping system is connected with industrial computer, communicating circuit by 485 is analyzed the air quality in interlayer and the needed qualitative data of container, and the workmanship of container interlayer vacuum-pumping is implemented to omnibearing monitoring.
Claims (3)
1. many bottles of Dewar tank interlayer vacuum-pumping systems, it is characterized in that: it comprises oil diffusion pump and Roots pump, before described oil diffusion pump, dispose oil diffusion pump prime sliding vane rotary pump, before described Roots pump, dispose Roots pump prime sliding vane rotary pump, both sides, described oil diffusion pump upper end are connected with vacuum main line respectively, on the pipeline of both sides, described oil diffusion pump upper end, dewpoint meter is installed, uniform multiple vacuum branched pipes on described vacuum main line, described oil diffusion pump upper end one side is caught cold-trap with water vapor and is connected, described water vapor is caught cold-trap and is connected with Roots pump by pipeline, this pipeline side is connected to oil diffusion pump prime sliding vane rotary pump by another pipeline.
2. many bottles of Dewar tank interlayer vacuum-pumping systems according to claim 1, it is characterized in that: on each vacuum branched pipe, vacuum solenoid is installed, described vacuum branched pipe is provided with many group vacuum orifices, vacuum leak hunting solenoid valve is installed on described vacuum orifice, on described vacuum branched pipe, also has the hot nitrogen of nitrogen replacement and pour mouth.
3. many bottles of Dewar tank interlayer vacuum-pumping systems according to claim 2, is characterized in that: described water vapor is caught on the pipeline that cold-trap is connected with Roots pump gas charging valve is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234018.3U CN203939675U (en) | 2014-05-09 | 2014-05-09 | Many bottles of Dewar tank interlayer vacuum-pumping systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234018.3U CN203939675U (en) | 2014-05-09 | 2014-05-09 | Many bottles of Dewar tank interlayer vacuum-pumping systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203939675U true CN203939675U (en) | 2014-11-12 |
Family
ID=51858991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420234018.3U Expired - Lifetime CN203939675U (en) | 2014-05-09 | 2014-05-09 | Many bottles of Dewar tank interlayer vacuum-pumping systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203939675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736934A (en) * | 2016-03-29 | 2016-07-06 | 南通龙鹰真空科技有限公司 | Vacuum pumping system for low-temperature storage tank interlayer |
-
2014
- 2014-05-09 CN CN201420234018.3U patent/CN203939675U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736934A (en) * | 2016-03-29 | 2016-07-06 | 南通龙鹰真空科技有限公司 | Vacuum pumping system for low-temperature storage tank interlayer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226100 Jiangsu city of Nantong Province Haimen Changle Industrial Zone (Group 38 Pingshan Ruyi Village) Patentee after: NANTONG LONGYING VACUUM TECHNOLOGY Co.,Ltd. Address before: 226100 Jiangsu city of Nantong Province Haimen Changle Industrial Zone (Group 38 Pingshan Ruyi Village) Patentee before: NANTONG LONGYING VACUUM WHOLE SET EQUIPMENT SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141112 |