CN206349738U - Voltage electrical penetration piece in ultralow temperature - Google Patents
Voltage electrical penetration piece in ultralow temperature Download PDFInfo
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- CN206349738U CN206349738U CN201621446096.5U CN201621446096U CN206349738U CN 206349738 U CN206349738 U CN 206349738U CN 201621446096 U CN201621446096 U CN 201621446096U CN 206349738 U CN206349738 U CN 206349738U
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Abstract
The utility model discloses voltage electrical penetration piece in a kind of ultralow temperature, including first flange and second flange；The first flange and second flange are oppositely arranged, and side relative with cavity in cavity, the first flange is formed between first flange and second flange for pressure face, and the side relative with cavity is air face in the second flange；Cavity and the first through hole vertical with first flange are communicated with the first flange, the second flange is provided with second through hole corresponding with first through hole, the first through hole and the second through hole formation penetrating via；Provided with electrically through component in the penetrating via.The features such as voltage electrical penetration piece has detachable, replaceable, maintenance convenience, dependable performance, controllable technique in the ultralow temperature, and pressure-resistant, resistance to ultralow temperature, resistance to temperature change and the particular/special requirement such as airtight can be met.
Description
Technical field
The utility model is related to voltage electrical in electric penetrator equipment technical field, particularly a kind of ultralow temperature and run through
Part.
Background technology
At present, such as LNG receiving stations, LNG liquefaction plants, LNG cargo ships, floating LNG liquefied storages device, coal tar furnace gas first
Alkanisation, which is produced in the conveying project of the cryogenic medias such as alkane, the alkene in LNG devices and chemical plant installations, is used for cryogenic media
Conveying and loading/unloading vehicles etc. are both needed to use low temperature immersed pump, have low temperature due to cryogenic medias such as LNG, alkane, alkene, inflammable, easy
The characteristic of quick-fried and easy evaporability.Therefore the pump work inclement condition of such a medium is conveyed, requires very severe in terms of material, sealing
Carve, equipment requirement, which has, seals safe and reliable requirement.Because design difficulty is big, manufacture and experiment are difficult, therefore, it is domestic at present this
Low temperature immersed pump still dependence on import is planted, technology status is monopolized in foreign countries, product costliness, technical support thus occurs and does not catch up with
Problem.China currently develops large-scale low-temperature immersed pump, and the low temperature electrical penetration matched with low temperature immersed pump
Seal nipple, the country there is no professional production producer to be developed.
Domestic existing similar electrical penetration is mainly used in the inside and outside cable connection of nuclear power plant reactor containment, and it has
There are the excellent specific properties such as good sealing, electric property, radiation-resistant property, pressure-resistant performance；But the insulation of such product zero
Part can not be used under -196 °C of environment of ultralow temperature, and when environment temperature is less than -196 °C, it is existing that its insulating materials can form contraction
As can not then seal.
External existing like product is to be insulated using glass instead of organic material, the connection side between glass preform and flange
Method forms insulation and seal assembly using the welding of cutting down of dilval, and the structure has following technical matters defect：
1st, the material that can cut down part is dilval, different from 304 stainless steels, can produce non-uniform magnetic field, forms vortex
Effect, causes electric conductor and insulation position to produce fuel factor, so as to influence the sealing property and electric property of sealing structure；
2nd, the glass that its product is used is the equal nothing of boronation glass of special glass, at present domestic glass production manufacturer production
Method meets cryogenic technique requirement, although the material property of quartz glass is low temperature resistant, and thermal coefficient of expansion is small, but quartz glass is molten
Point is high, it is impossible to the graded seal technical matters route that can be cut down using dilval；
3rd, it is integral type after seal assembly and flange welding, it is impossible to meet the requirement safeguarded and changed.
Utility model content
Based on this, in view of the above-mentioned problems, being necessary to propose piezoelectricity in voltage electrical penetration piece in a kind of ultralow temperature, the ultralow temperature
The features such as gas penetration piece has detachable, replaceable, maintenance convenience, dependable performance, controllable technique, and can meet pressure-resistant, resistance to super
Low temperature, resistance to temperature change and the particular/special requirement such as airtight.
The technical solution of the utility model is：Voltage electrical penetration piece in a kind of ultralow temperature, including first flange and the second method
It is blue；The first flange and second flange are oppositely arranged, and cavity, first method are formed between first flange and second flange
The side relative with cavity is that side relative with cavity in pressure face, the second flange is air face on orchid；Described first
Cavity and the first through hole vertical with first flange are communicated with flange, the second flange is provided with relative with first through hole
The second through hole answered, the first through hole and the second through hole formation penetrating via；Provided with electrically through group in the penetrating via
Part.
Preferably, it is described electrically to include compression spring, threaded connector and cable protecting sleeve through component；The compression
Axle center of the spring along penetrating via is set, and the two ends of compression spring are equipped with sealing ring trim ring, the compression spring and sealing
Enclose between trim ring provided with spring shim, the described one end of sealing ring trim ring away from spring shim is provided with sealing ring, the sealing ring
One end away from sealing ring trim ring is provided with backup ring, and sealing ring pad is provided between the sealing ring and backup ring,
The one end of the backup ring away from sealing ring is arranged with threaded connector, the threaded connector and backup ring screw thread
Connection, the one end of the threaded connector away from backup ring is arranged with cable protecting sleeve, the cable protecting sleeve with
Threaded connector is threadedly coupled.
Preferably, the pressure face of the first flange is provided with pressure face end surface press plate, and the pressure face end surface press plate is set
Between the backup ring and threaded connector close to first flange, the pressure face end surface press plate is fixed by follower bolt
In in first flange；The air face of the second flange is provided with air face end surface press plate, and air face end surface press plate is located at
Between the backup ring and threaded connector of second flange, the pressure face end surface press plate is fixed on by follower bolt
In second flange.
Preferably, the circumference side of the first flange or second flange is provided with pressure gauge installation screw, the pressure
Table installation screw is perpendicular to the axle center of cavity.
Preferably, air face end surface press plate is provided with grounding wire device.
Preferably, the junction welded seal of the first flange and second flange.
Preferably, the first flange side relative with cavity is provided with flange mounting hole, the second flange and cavity
Relative side is provided with flange mounting hole.
Preferably, the circumference side of the first flange and second flange is provided with lifting bolt hole, the lifting bolt
Hole is perpendicular to the axle center of cavity.
The beneficial effects of the utility model are：
1st, compact conformation, light weight, are threadedly coupled with the directly available national standard of tank shell, the standardization of bolted fittings type selecting；
2nd, under the premise of the electric, requirement of pressure, temperature is met, material and structure are changed, inner sealing when realizing maintenance
Construction package is detachable, change requirement, and all parts make mature production technology, and product quality is controllable during batch production；
3rd, the cost of overhaul is reduced, and because flange face connected mode makes welding assembly into, each Disintegration overhaul need to only change interior
Portion is re-assemblied after electrically running through component；
4th, electric property is designed according to nuclear safety standard, and operating voltage 6600V, product electrically passes through the survey of 20000V voltages
Examination, maximum leakage electric current is less than 10mA；Power margin is up to more than 200%；
5th, all insulating materials use the PTFE of resistance to -196 °C of ultralow temperature（Polytetrafluoroethylene (PTFE)）Material, such a material is accorded with completely
The condition of work of ultra-low temperature surroundings is closed, its insulating properties and extremely low water absorption rate special type also fully meet the work of marine electrical equipment product
It is required；
6th, the insulation tube piece of electrical penetration conductor outsourcing is externally provided with reinforced pipe, tube material for weak magnetic 304 not
Rust Steel material is made, and will not form eddy current effect and thermal stress effects；
7th, electrical penetration inner chamber is provided with compression spring device, has when temperature, pressure change can be run into real work
Seal preload compensating action；
8th, electrical penetration shell, which is provided with, runs through screwed hole, for installing the detection components such as pressure gage valve, for real-time
Detect the chamber pressure change in actual motion.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation for electrically running through components in details A in Fig. 1；
Reference：10- first flanges, 11- pressure faces, 21- pressure face end surface press plates, 20- second flanges, 21- air
Face, 22- air face end surface press plate, 30- cavitys, 40- compression springs, 41- spring shims, 42- sealing ring trim rings, 43- sealing rings,
44- sealing ring pads, 45- backup rings, 46- threaded connectors, 47- cable protecting sleeves, 50-O type sealing rings, 60- pressures
Crab bolt, 70- pressure gauge installation screws, 80- flange mounting holes, 81- lifting bolts hole, 90- grounding wire devices.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment
As shown in figure 1, voltage electrical penetration piece in a kind of ultralow temperature, including first flange 10 and second flange 20；Described
One flange 10 and second flange 20 are oppositely arranged, and cavity 30, described first are formed between first flange 10 and second flange 20
The side relative with cavity 30 is that side relative with cavity 30 in pressure face 11, the second flange 20 is air on flange 10
Face 21；Cavity 30 and the first through hole vertical with first flange 10, the second flange are communicated with the first flange 10
20 are provided with second through hole corresponding with first through hole, the first through hole and the second through hole formation penetrating via；It is described to pass through
Provided with electrically through component in break-through road.
First flange 10 can be " recessed " shape, and second flange 20 can be middle formation cavity 30 after " convex " shape, both wedgings, pass through
Break-through road runs through first flange 10 and second flange 20, and penetrating via and pressure face 11 or the normal parallel in air face 21, electricity
Gas is removably located in penetrating via through component.
As shown in Fig. 2 in one of the embodiments, it is described electrically to include compression spring 40, threaded connection through component
First 46 and cable protecting sleeve 47；Axle center of the compression spring 40 along penetrating via is set, and the two ends of compression spring 40 are equal
Provided with sealing ring trim ring 42, spring shim 41, the sealing ring pressure are provided between the compression spring 40 and sealing ring trim ring 42
Enclose 42 one end away from spring shim 41 and be provided with sealing ring 43, the described one end of sealing ring 43 away from sealing ring trim ring 42 is provided with close
Seal back-up ring 45, is provided with sealing ring pad 44 between the sealing ring 43 and backup ring 45, the backup ring 45 is remote
One end from sealing ring 43 is arranged with threaded connector 46, and the threaded connector 46 is threadedly coupled with backup ring 45, institute
State the one end of threaded connector 46 away from backup ring 45 and be arranged with cable protecting sleeve 47, the cable protecting sleeve 47 with
Threaded connector 46 is threadedly coupled.
Cable protecting sleeve 47 is set at the cable connection of two ends and is individually insulated three copper conductors and cable；Protection sleeve pipe is PTFE
（Polytetrafluoroethylene (PTFE)）The threaded protection sleeve pipe being made, wherein, between backup ring 45 and threaded connector 46 and screw thread
O-ring seal 50, and enhancing sealing property can be installed between connector 46 and cable protecting sleeve 47 additional.
In one of the embodiments, the pressure face 11 of the first flange 10 is provided with pressure face end surface press plate 12, institute
State pressure face end surface press plate 12 to be provided close between the backup ring 45 of first flange 10 and threaded connector 46, the pressure
Face end surface press plate 12 is fixed in first flange 10 by follower bolt 60；The air face 21 of the second flange 20 is provided with big
Gas face end surface press plate 22, air face end surface press plate 22 is provided close to backup ring 45 and the threaded connection of second flange 20
Between first 46, the pressure face end surface press plate 22 is fixed in second flange 20 by follower bolt 60.
In one of the embodiments, the circumference side of the first flange 10 or second flange 20 is pacified provided with pressure gauge
Screw 70 is filled, the pressure gauge installation screw 70 is perpendicular to the axle center of cavity 30.
In one of the embodiments, air face end surface press plate 22 is provided with grounding wire device 90.
In one of the embodiments, the junction welded seal of the first flange 10 and second flange 20.
In one of the embodiments, the first flange 10 side relative with cavity 30 is provided with flange mounting hole 80,
The second flange 20 side relative with cavity 30 is provided with flange mounting hole 80.
In one of the embodiments, the circumference side of the first flange 10 and second flange 20 is provided with lifting bolt
Hole 81, the lifting bolt hole 81 is perpendicular to the axle center of cavity 30.
Embodiment described above only expresses embodiment of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.
Claims (8)
1. voltage electrical penetration piece in a kind of ultralow temperature, it is characterised in that including first flange and second flange；The first flange
It is oppositely arranged with second flange, and forms relative with cavity in cavity, the first flange between first flange and second flange
Side be pressure face, the side relative with cavity is air face in the second flange；It is communicated with the first flange
Cavity and the first through hole vertical with first flange, the second flange are provided with second through hole corresponding with first through hole,
The first through hole and the second through hole formation penetrating via；Provided with electrically through component in the penetrating via.
2. voltage electrical penetration piece in ultralow temperature according to claim 1, it is characterised in that described electrically to include through component
Compression spring, threaded connector and cable protecting sleeve；Axle center of the compression spring along penetrating via is set, and compression spring
Two ends be equipped with sealing ring trim ring, between the compression spring and sealing ring trim ring be provided with spring shim, the sealing ring pressure
The one end of circle away from spring shim is provided with sealing ring, and the one end of the sealing ring away from sealing ring trim ring is provided with backup ring,
Sealing ring pad is provided between the sealing ring and backup ring, the one end of the backup ring away from sealing ring is arranged with
Threaded connector, the threaded connector is threadedly coupled with backup ring, and the threaded connector is away from backup ring
One end is arranged with cable protecting sleeve, and the cable protecting sleeve is threadedly coupled with threaded connector.
3. voltage electrical penetration piece in ultralow temperature according to claim 1, it is characterised in that the pressure face of the first flange
Pressure face end surface press plate is provided with, the pressure face end surface press plate is provided close to backup ring and the threaded connection of first flange
Between head, the pressure face end surface press plate is fixed in first flange by follower bolt；On the air face of the second flange
Provided with air face end surface press plate, air face end surface press plate is provided close to the backup ring and threaded connector of second flange
Between, the pressure face end surface press plate is fixed in second flange by follower bolt.
4. voltage electrical penetration piece in ultralow temperature according to claim 1, it is characterised in that the first flange or the second method
Blue circumference side is provided with pressure gauge installation screw, and the pressure gauge installation screw is perpendicular to the axle center of cavity.
5. voltage electrical penetration piece in ultralow temperature according to claim 3, it is characterised in that on the end surface press plate of the air face
Provided with grounding wire device.
6. voltage electrical penetration piece in the ultralow temperature according to claim any one of 1-5, it is characterised in that the first flange
With the junction welded seal of second flange.
7. voltage electrical penetration piece in the ultralow temperature according to claim any one of 1-5, it is characterised in that the first flange
The side relative with cavity is provided with flange mounting hole, and the second flange side relative with cavity is provided with flange mounting hole.
8. voltage electrical penetration piece in the ultralow temperature according to claim any one of 1-5, it is characterised in that the first flange
Circumference side with second flange is provided with lifting bolt hole, and the lifting bolt hole is perpendicular to the axle center of cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446096.5U CN206349738U (en) | 2016-12-27 | 2016-12-27 | Voltage electrical penetration piece in ultralow temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446096.5U CN206349738U (en) | 2016-12-27 | 2016-12-27 | Voltage electrical penetration piece in ultralow temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206349738U true CN206349738U (en) | 2017-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621446096.5U Active CN206349738U (en) | 2016-12-27 | 2016-12-27 | Voltage electrical penetration piece in ultralow temperature |
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| Country | Link |
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| CN (1) | CN206349738U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706880A (en) * | 2017-11-24 | 2018-02-16 | 湖州三井低温设备有限公司 | A kind of cryocable outlet joint |
| CN108502400A (en) * | 2018-05-28 | 2018-09-07 | 张化机（苏州）重装有限公司 | A kind of inspection pore structure of condensate water pot |
| CN112951454A (en) * | 2021-04-07 | 2021-06-11 | 中国原子能科学研究院 | Connecting assembly and reactor containment vessel comprising same |
-
2016
- 2016-12-27 CN CN201621446096.5U patent/CN206349738U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706880A (en) * | 2017-11-24 | 2018-02-16 | 湖州三井低温设备有限公司 | A kind of cryocable outlet joint |
| CN108502400A (en) * | 2018-05-28 | 2018-09-07 | 张化机（苏州）重装有限公司 | A kind of inspection pore structure of condensate water pot |
| CN108502400B (en) * | 2018-05-28 | 2024-02-06 | 张化机（苏州）重装有限公司 | Inspection hole structure of condensate water tank |
| CN112951454A (en) * | 2021-04-07 | 2021-06-11 | 中国原子能科学研究院 | Connecting assembly and reactor containment vessel comprising same |
| CN112951454B (en) * | 2021-04-07 | 2024-03-22 | 中国原子能科学研究院 | Connection assembly and reactor containment vessel comprising the same |
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