CN205749376U - A kind of biphase gas and liquid flow bubble analog detection device - Google Patents
A kind of biphase gas and liquid flow bubble analog detection device Download PDFInfo
- Publication number
- CN205749376U CN205749376U CN201620438787.4U CN201620438787U CN205749376U CN 205749376 U CN205749376 U CN 205749376U CN 201620438787 U CN201620438787 U CN 201620438787U CN 205749376 U CN205749376 U CN 205749376U
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- Prior art keywords
- bubble
- gas
- conductive thread
- pipeline
- conductance
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Abstract
This utility model relates to a kind of biphase gas and liquid flow bubble analog detection device.This device includes two conductance gridding detectors, bubble increase in pipeline and rotates bubble generating mechanism；Conductance gridding detector includes upper and lower two pieces of wire guide plates, the conductive thread of wire guide plate is mutually perpendicular to up and down, and do not contact, represent respectively X to and Y-direction, the conductive thread of lower wire plate is signal input part, the conductive thread of upper conductor plate is signal receiving end, and each conductive thread independently carries out input or the output of signal；Upper and lower two conductance gridding detectors are located at bubble increase in pipeline upper end.This utility model utilizes air compressor machine to produce bubble, regulates bubble Simulated gas liquid two-phase by the valve on gas tank and rotating mechanism, by speed and the position of conductance grid detector measurement bubble, has the advantages that speed is fast, temporal resolution is high, precision is high.
Description
Technical field
This utility model relates to a kind of biphase gas and liquid flow bubble analog detection device.
Background technology
China's majority nuclear power station uses presurized water reactor at present, is characterized in making its boiling point carry light water pressurization
Height, does not theoretically allow nuclear reactor inner ebullition to produce bubble, but along with reactor designs merit
Improving constantly of rate, also exists focus in the case of high power in reactor core in actual motion, and in focus
Temperature is likely larger than the boiling point of pressurization light water and produces bubble.From the perspective of thermal conduction study, bubble is for warm
Transmission plays negative effect with absorbing in reactor.It is thus desirable to a kind of gas bubble detection can be to heap in-core
Portion produces the size of bubble, and the position of bubble generation, speed etc. detect.
Utility model content
Not enough for prior art, this utility model provides a kind of biphase gas and liquid flow bubble analog detection dress
Put.
A kind of biphase gas and liquid flow bubble analog detection device, this device includes rotating bubble generating mechanism, bubble
Increase in pipeline 4 and two conductance gridding detectors 5；
Described rotation bubble generating mechanism includes airway lumen 2, rotating mechanism 3, gas tank 6 and air compressor machine 7,
Rotating mechanism 3 uses telescoping structure, from top to bottom depends in the gap between outer sleeve 31 and inner sleeve 32
Secondary it is provided with the first sealing ring 33, ball axle ring 34 and the second sealing ring 35；The bottom of outer sleeve 31 is provided with
Flange is fixing with airway lumen 2 to be connected, and the top of inner sleeve 32 is provided with flange and bubble increase in pipeline 4 turns
It is dynamically connected；The side surface circumference spaced at equal angles around of airway lumen 2 has gas pipeline 8, gas tank 6 to be provided with many
Individual gas outlet, gas outlet is respectively equipped with valve 61；Rotating mechanism 3 is stretched in one end of described gas pipeline 8
Inside, the other end connects one to one to the gas outlet of gas tank 6, and the air inlet of gas tank 6 is connected to air compressor machine
7；
Upper and lower two conductance gridding detectors 5 are arranged on the upper end of bubble increase in pipeline 4, and are parallel to each other；
Described conductance gridding detector 5 includes upper and lower two pieces of wire guide plates, and the middle part of wire guide plate is through hole, in through hole
Uniformly being placed with row's conductive thread, the conductive thread of upper and lower wire guide plate is mutually perpendicular to, and does not contacts；Under lead
The conductive thread of line plate is signal input part, and the conductive thread of upper conductor plate is signal receiving end, each conduction
Silk thread independently carries out input or the output of signal.
Described conductive thread uses stainless steel silk or manganese-copper filament.
Described gas tank 6 is provided with the gas outlet that multiple diameter is different, and the diameter of gas pipeline 8 is corresponding thereto
The diameter of the gas outlet answered is identical.
The inner surface of described outer sleeve 31 and the outer surface of inner sleeve 32 polish smooth, to improve sealing ring
Sealing property.
The beneficial effects of the utility model are:
This utility model utilizes air compressor machine to produce bubble, is regulated by the valve on gas tank and rotating mechanism
Bubble Simulated gas liquid two-phase, is measured by two conductance gridding detectors, have measuring speed fast,
The feature that temporal resolution is high, precision is high.
Accompanying drawing explanation
Fig. 1 is a kind of biphase gas and liquid flow bubble analog detection device；
Fig. 2 is rotating mechanism schematic diagram；
Fig. 3 is the schematic diagram of conductance gridding detector.
Label declaration: 1-base, 2-airway lumen, 3-rotating mechanism, 4-bubble increase in pipeline, 5-conductance
Gridding detector, 6-gas tank, 7-air compressor machine, 8-gas pipeline, 31-outer sleeve, 32-inner sleeve, 33-
One sealing ring, 34-ball axle ring, 35-the second sealing ring, 61-valve.
Detailed description of the invention
With detailed description of the invention, this utility model is described further below in conjunction with the accompanying drawings.It should be emphasized that
It is, that the description below is merely exemplary rather than in order to limit scope of the present utility model and application thereof.
Fig. 1 is this utility model one biphase gas and liquid flow bubble analog detection device, and this device includes rotary pneumatic
Bubble generating mechanism, bubble increase in pipeline 4 and two conductance gridding detectors 5；Device is supported by base 1,
It is full of conducting liquid in it, the present embodiment uses water.
Described rotation bubble generating mechanism includes airway lumen 2, rotating mechanism 3, gas tank 6 and air compressor machine 7,
Rotating mechanism 3 is that enabling the scope of generation bubble that whole conductance grid is completely covered by rotation detects
The investigative range of device, it uses telescoping structure, outer sleeve 31 and inner sleeve 32 all to use 304 types not
Rust steel, is from top to bottom sequentially provided with the first sealing ring 33, ball axle ring 34 and the second sealing ring in its gap
35, the first sealing ring 33 and the second sealing ring 35 all use rubber spring sealing ring, can remain rubber
Glue sealing flap fits in sleeve surface all the time；The inner surface of outer sleeve 31 and the outer surface polishing of inner sleeve 32
Smooth, to improve the sealing property of sealing ring.This device ensure that the sealing effectiveness of rotating mechanism 3 is 99%
Above, in experimentation, the seepage of water is almost negligible disregards.The bottom of outer sleeve 31 be provided with flange with
Airway lumen 2 is fixing to be connected, and the top of inner sleeve 32 is provided with flange and is rotationally connected with bubble increase in pipeline 4；
On the side surface circumference of airway lumen 2 angularly and be intervally distributed with the gas pipeline 8 of the four a diameter of 2mm in tunnel
With the gas pipeline 8 of the four a diameter of 1mm in tunnel, accordingly, gas tank 6 is interval with four a diameter of
The gas outlet of 2mm and the gas outlet of four a diameter of 1mm, gas outlet is respectively equipped with needle-like air valve, makes
Each gas outlet with the speed of independent regulation gas release, thus can regulate the size of bubble.Described gas pipeline
It is internal that rotating mechanism 3 is stretched in one end of 8, the other end by isodiametric soft air-guide pipe connect one to one to
The gas outlet of gas tank 6, the air inlet of gas tank 6 is connected to air compressor machine 7.Gas tank 6 for being about half meter, diameter
Cylindric rustless steel for 10cm seals pipe, its role is to storing compressed air, makes just to be filled with simultaneously
Gas sufficiently settle out, play cushioning effect.
Upper and lower two conductance gridding detectors 5 are arranged on the upper end of bubble increase in pipeline 4, and are parallel to each other.
It is the bubble ascent stage of long 150cm below conductance gridding detector 5, makes bubble energy after lower section generates
Steadily rise, have a metastable initial velocity simultaneously.
Described conductance gridding detector 5 includes upper and lower two pieces of wire guide plates, and the middle part of wire guide plate is square through hole,
Runner square with the 100mm × 100mm of bubble increase in pipeline 4 is corresponding.Uniformly arrange in through hole
There are 19 rustless steel conductive threads, mutual spacing 5mm, and require that conductive thread is tight, the most sagging.
The up and down conductive thread interval 1.5mm of wire guide plate, and being mutually perpendicular to, represent respectively X to and Y-direction；Under
The conductive thread of wire guide plate is signal input part, which is provided with signal input socket, and 19 signal inputs are inserted
Mouth composition signal input serial ports；The conductive thread of upper conductor plate is signal receiving end, which is provided with signal output
Socket, 19 signal output socket composition signal output serial ports；Convenient connection instrument and signal processing.Each
Conductive thread independently carries out input or the output of signal, realizes leading of upper and lower conductive thread by conducting liquid
Logical.Time properly functioning, on any one signal input line input a voltage signal time, with this line phase
The most vertical signal receives and just has the appearance of corresponding voltage signal on line, if just now having a bubble
Touch following signal input line, or between the signal reception line of signal input line and correspondence, by
Almost nil for water conductive capability in bubble phase, the signal that induction signal receives line will disappear or significantly
Weaken.Thus may determine that intermediate node has bubble in corresponding XY site at this moment.
The spacing of the lower conductive thread of upper and lower two conductance gridding detectors 5 is 60mm.This distance with
The rate of climb generating bubble is relevant, and the rate of climb of bubble is typically at 0.3m/s after tested, then bubble leads to
Cross the time t=0.2s of two-layer silk screen.This is for the common detector, and the response time is enough, same
Time ensure that temporal resolution clearly, then obtained the rate of climb of bubble by v=s/t.
Claims (4)
1. a biphase gas and liquid flow bubble analog detection device, it is characterised in that this device includes rotary pneumatic
Bubble generating mechanism, bubble increase in pipeline (4) and two conductance gridding detectors (5)；
Described rotation bubble generating mechanism include airway lumen (2), rotating mechanism (3), gas tank (6) and
Air compressor machine (7), rotating mechanism (3) uses telescoping structure, outer sleeve (31) and inner sleeve (32)
Between gap in be from top to bottom sequentially provided with the first sealing ring (33), ball axle ring (34) and second close
Seal (35)；The bottom of outer sleeve (31) is provided with that flange and airway lumen (2) are fixing to be connected, inner sleeve
(32) top is provided with flange and is rotationally connected with bubble increase in pipeline (4)；The side of airway lumen (2)
Circumference spaced at equal angles around has gas pipeline (8), gas tank (6) to be provided with multiple gas outlet, on gas outlet
It is respectively equipped with valve (61)；It is internal that rotating mechanism (3) is stretched in one end of described gas pipeline (8), separately
One end connects one to one to the gas outlet of gas tank (6), and the air inlet of gas tank (6) is connected to air compressor machine (7)；
Upper and lower two conductance gridding detectors (5) are arranged on the upper end of bubble increase in pipeline (4), and mutually
Parallel；Described conductance gridding detector (5) includes upper and lower two pieces of wire guide plates, and the middle part of wire guide plate is through hole,
Uniformly being placed with row's conductive thread in through hole, the conductive thread of upper and lower wire guide plate is mutually perpendicular to, and does not connects
Touch；The conductive thread of lower wire plate is signal input part, and the conductive thread of upper conductor plate is signal receiving end,
Each conductive thread independently carries out input or the output of signal.
A kind of biphase gas and liquid flow bubble analog detection device, it is characterised in that
Conductive thread uses stainless steel silk or manganese-copper filament.
A kind of biphase gas and liquid flow bubble analog detection device, it is characterised in that
Gas tank (6) is provided with the gas outlet that multiple diameter is different, and the diameter of gas pipeline (8) is corresponding thereto
The diameter of gas outlet identical.
A kind of biphase gas and liquid flow bubble analog detection device, it is characterised in that
The inner surface of outer sleeve (31) and the outer surface of inner sleeve (32) polish smooth, to improve the close of sealing ring
Sealing property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620438787.4U CN205749376U (en) | 2016-05-13 | 2016-05-13 | A kind of biphase gas and liquid flow bubble analog detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620438787.4U CN205749376U (en) | 2016-05-13 | 2016-05-13 | A kind of biphase gas and liquid flow bubble analog detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749376U true CN205749376U (en) | 2016-11-30 |
Family
ID=57366858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620438787.4U Expired - Fee Related CN205749376U (en) | 2016-05-13 | 2016-05-13 | A kind of biphase gas and liquid flow bubble analog detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504600A (en) * | 2020-04-30 | 2020-08-07 | 中国核动力研究设计院 | Device and method for measuring cold-state two-phase interface parameters of tube bundle channel |
-
2016
- 2016-05-13 CN CN201620438787.4U patent/CN205749376U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504600A (en) * | 2020-04-30 | 2020-08-07 | 中国核动力研究设计院 | Device and method for measuring cold-state two-phase interface parameters of tube bundle channel |
| CN111504600B (en) * | 2020-04-30 | 2022-02-22 | 中国核动力研究设计院 | Device and method for measuring cold-state two-phase interface parameters of tube bundle channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170513 |