CN203798738U - Device for absorbing hydrolysable fluoride in sulfur hexafluoride gas - Google Patents

Device for absorbing hydrolysable fluoride in sulfur hexafluoride gas Download PDF

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Publication number
CN203798738U
CN203798738U CN201420091992.9U CN201420091992U CN203798738U CN 203798738 U CN203798738 U CN 203798738U CN 201420091992 U CN201420091992 U CN 201420091992U CN 203798738 U CN203798738 U CN 203798738U
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China
Prior art keywords
sulfur hexafluoride
hexafluoride gas
self
fluoride
vacuum
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Expired - Lifetime
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CN201420091992.9U
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Chinese (zh)
Inventor
于乃海
陈素红
齐国栋
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
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Priority to CN201420091992.9U priority Critical patent/CN203798738U/en
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Publication of CN203798738U publication Critical patent/CN203798738U/en
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Abstract

The utility model discloses a device for absorbing hydrolysable fluoride in sulfur hexafluoride gas. The device comprises a shell, wherein a self-sealed vacuuming joint is arranged on the shell; one end of the self-sealed vacuuming joint is respectively connected with a vacuum gauge and a glass vacuum three-way valve through an adaptor three-way valve; the other end of the self-sealed vacuuming joint is connected with an external vacuum pump; an oscillating device is mounted inside the shell; a vacuuming bottle is arranged on the oscillating device; the upper end of the glass vacuum three-way valve is connected with a ball bladder, and the lower end of the glass vacuum three-way valve is connected with the vacuuming bottle; a control panel is arranged on the shell; a frequency regulating knob for regulating the oscillation frequency of the oscillating device is arranged on the control panel. The device disclosed by the utility model has the advantages of high automation degree, high practicability, simple operation, good system airtightness, high vacuum degree, accurate measurement of experiment parameters, complete absorption of the hydrolysable fluoride in the sulfur hexafluoride gas and small absorption error.

Description

Hydrolyzable Absorption of Fluoride device in sulfur hexafluoride gas
Technical field
The utility model relates to sulfur hexafluoride gas analysis technical field, relates in particular to hydrolyzable Absorption of Fluoride device in a kind of sulfur hexafluoride gas.
Background technology
Sulfur hexafluoride gas, as good insulation and arc-extinguishing medium, is widely used in all kinds of high pressure, the electric equipment of UHV (ultra-high voltage), and sulfur hexafluoride electrical equipment has become the major equipment in electrical network.Sulfur hexafluoride gas quality supervision is mainly the control to its impurity composition content, wherein in sulfur hexafluoride gas, can be hydrolyzed with the hydrolyzable content of fluoride such as sulfur-bearing, oxygen subfluoride of alkaline hydrolysis is an important control index, the existence of these hydrolyzable fluorides, be the extremely strong compound of toxicity and corrosivity, very big to harm, and the safe operation of electrical equipment is brought to harm, GB12022-2006 regulation, in the new gas of sulfur hexafluoride, hydrolyzable fluoride (in HF) content's index should≤1 μ g/g.
The main method of use for laboratory hydrolyzable content of fluoride in measuring sulfur hexafluoride gas is alizarin for fluorine ion-lanthanum complexometric reagent colourimetry or Fluoride ion selective electrode method at present.In current assay method, experimentation is more numerous and diverse, and each experiment all will cost a lot of money the time, and also will repeatedly test to average for the accuracy of testing.Huge with U-shaped differential manometer in experiment absorption process, connecting line sealing is unstable, in glass absorption bottle, vacuum tightness does not reach requirement conventionally, for fluoride in sulfur hexafluoride gas is fully hydrolyzed, also need manually firmly to sway 1 hour (swaying 1 minute every 5 minutes), whole test absorption process easily produces larger error.
Utility model content
The purpose of this utility model is exactly in order to address the above problem, and provides a kind of automaticity high, and experiment parameter is measured accurately and reliably, and line seal is reliable, the sulfur hexafluoride gas hydrolyzable Absorption of Fluoride device that vacuum capability is strong.
For achieving the above object, the utility model adopts following technical scheme:
Hydrolyzable Absorption of Fluoride device in a kind of sulfur hexafluoride gas, comprise housing, described housing is provided with self-styled vacuumizing joint, one end of described self-styled vacuumizing joint connects respectively vacuum meter and glass evacuated threeway by adaptor three-way, and the other end of self-styled vacuumizing joint connects external vacuum pump.
In described housing, oscillation device is housed, oscillation device is provided with and vacuumizes bottle; The upper end of glass evacuated threeway is connected with bladders, lower end with vacuumize bottle be connected.
Described housing is provided with control panel, and described control panel is provided with the fm dial that regulates oscillation device oscillation frequency.
Described bladders is fixed on housing by bladders support.
Between described glass evacuated threeway and bladders, screw clamp is set.
On described control panel, be also provided with vacuum meter, the time relay, oscillation switch, power switch and supply socket.
The described volume that vacuumizes bottle is 1000ml, can bear below condition of high vacuum degree 13.3Pa.
Described vacuum meter measurement range is between 0.1Pa between 0.1Mpa, and institute joins that to regulate model be ZJ-52T/KF16.
Described time relay delayed setting value is at 0.01s~5s, the absolute error≤50ms that adjusts, mechanical life > 10000000 times.
The described self-sealing joint that vacuumizes is the big Lip river of generation gram self-sealing joint.
Vacuumize vacuum tightness in bottle by external vacuum pump and time relay co-controlling.
This device design concept is: in the glass absorption bottle of sealing, be hydrolyzed the content of hydrolyzable fluoride in alizarin-lanthanum complexometric reagent colourimetry fluoride ion for producing or Fluoride ion selective electrode method mensuration sulfur hexafluoride with diluted alkaline and sulfur hexafluoride gas.
Workflow of the present utility model:
1) be communicated with AC220V power supply, turn on the power switch, vacuum meter and time relay energising, in treating duty.
2) connect vacuum pump, start to vacuumize, on vacuum meter, show the vacuum tightness vacuumizing in bottle.
3) when vacuumizing in bottle vacuum tightness, to reach preset value (adjustable, suggestion preset value is 13.3Pa) time, the time relay is started working, (adjustable after a period of time, advise 2 minutes, now vacuumize vacuum tightness in bottle just in steady state (SS)), pilot lamp is bright, vacuum finishes, and can start next step operation.
4) for fluoride in sulfur hexafluoride gas is fully hydrolyzed, open oscillation switch, regulate fm dial, instrument starting oscillation.
The beneficial effects of the utility model are:
The utility model automaticity is high, practical, simple to operate, and system tightness is good, vacuum tightness is high, and experiment parameter is measured accurately, SF 6in gas, hydrolyzable fluoride can absorb completely, and absorption errors is little.
The utility model adopts cabinet type integrated, convenient static placement, design brief, easy operating; Select foam filler, can fix safely all kinds of absorption bottles; The gas circuit design of optimizing, makes vacuum readings more reasonable.
Brief description of the drawings
Fig. 1 is the utility model internal duct catenation principle figure;
Fig. 2 is the utility model external structure schematic diagram;
Wherein, 1. vacuum meter, the 2. time relay, 3. adaptor three-way, 4. vacuum tube, 5. bladders support, 6. bladders, 7. pilot lamp, 8. glass evacuated threeway, 9. oscillation device, 10. housing, 11. vacuumize bottle, 12. self-styled vacuumizing joints, 13. oscillation switch, 14. power switches, 15. fm dials, 16. supply sockets, 17. screw clamps.
Embodiment
Below in conjunction with accompanying drawing and embodiment, utility model is described further.
As shown in Figure 1 and Figure 2, the utility model comprises Instrument shell 10, described housing 10 is provided with self-styled vacuumizing joint 12, one end of self-styled vacuumizing joint 12 is by the adaptor three-way 3 on housing 10, connect respectively the glass evacuated threeway 8 on vacuum meter 1 and housing 10, the other end of self-styled vacuumizing joint 12 connects external vacuum pump.Oscillation device 9 is also housed in Instrument shell 10, and oscillation frequency is regulated by the fm dial 15 on housing.The vacuum tightness vacuumizing in bottle 11 is carried out co-controlling by vacuum pump and the time relay 2.
Glass evacuated threeway 8 upper ends are connected with bladders 6, lower end with vacuumize bottle and 11 be connected, bladders 6 is fixed on housing 10 by bladders support 5.By glass evacuated threeway 8, obtain different on off operating modes, to complete experiment.
Housing 10 is provided with control panel, and described control panel is provided with the fm dial 15 that regulates oscillation device oscillation frequency, is also provided with vacuum meter 1, the time relay 2, oscillation switch 13, power switch 14 and supply socket 16.
By the position of rotary glass vacuum threeway 8 piston P, can realize following four kinds of states:
1) ABC leads to; 2) ABC is obstructed; 3) AC is logical, and B is obstructed; 4) BC is logical, and A is obstructed.
The explanation of the utility model instrumentation:
1) be greater than 1000ml to bladders 6() in pour pure sulfur hexafluoride gas, screw the screw clamp 17 of wearing on described bladders 6, the gas outlet of bladders 6 is connected stand-by with glass evacuated threeway 8 upper ends;
2) connect the utility model exterior line according to Fig. 2, rotary glass vacuum threeway 8, is placed in the position that A, B, C lead to;
3) outer end that vacuumizes self-sealing joint 12 connects vacuum pump, and supply socket 16 is switched on power, and turns on the power switch successively 14 and vacuum meter 1 switch;
4) plug vacuum-pump power supply, open vacuum pump switch, start to vacuumize;
5), in the time that pilot lamp 7 glimmers, represent to vacuumize complete;
6) rotary glass vacuum threeway 8, is placed in the position that AC is logical, B is obstructed, makes to vacuumize bottle 11 and communicates with bladders 6, disconnects the junction of vacuum pipe special 4 and glass evacuated threeway 8;
7) close vacuum pump switch, pull out vacuum-pump power supply, slowly unscrew screw clamp 17 on bladders 6, the sulfur hexafluoride gas in bladders 6 is full of lentamente and vacuumizes in bottle 11;
8) rotary glass vacuum threeway 8, is placed in that BC is logical, A is obstructed, and rotary glass vacuum threeway 8 again after moment, is placed in the position that AC is logical, B is obstructed, makes to vacuumize pressure and atmospheric pressure balance in bottle 11;
9) with syringe, 10ml sodium hydroxide solution is slowly injected and vacuumizes bottle 11 from the sebific duct of bladders 6, gently push bladders 6 with have gentle hands, so that alkali lye all injects;
10) rotary glass vacuum threeway 8, is placed in all obstructed positions of A, B, C, screws screw clamp 17, takes off bladders 6;
11) rotation fm dial 15, to appropriate location, starting oscillation (20-30) minute;
15) rotation fm dial 15, to minimum position, instrument cuts out oscillation switch 13, and power supply opens 14 and vacuum meter 1 switch, the power supply at deenergization socket 16 places;
16) sampling finishes, and takes out and vacuumizes bottle 11 use to be tested.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection domain of the present utility model.

Claims (7)

1. hydrolyzable Absorption of Fluoride device in a sulfur hexafluoride gas, comprise housing, it is characterized in that, described housing is provided with self-styled vacuumizing joint, one end of described self-styled vacuumizing joint connects respectively vacuum meter and glass evacuated threeway by adaptor three-way, and the other end of self-styled vacuumizing joint connects external vacuum pump;
In described housing, oscillation device is housed, oscillation device is provided with and vacuumizes bottle; The upper end of glass evacuated threeway is connected with bladders, lower end with vacuumize bottle be connected;
Described housing is provided with control panel, and described control panel is provided with the fm dial that regulates oscillation device oscillation frequency.
2. hydrolyzable Absorption of Fluoride device in a kind of sulfur hexafluoride gas as claimed in claim 1, is characterized in that, is also provided with vacuum meter, the time relay, oscillation switch, power switch and supply socket on described control panel.
3. hydrolyzable Absorption of Fluoride device in a kind of sulfur hexafluoride gas as claimed in claim 1, is characterized in that, described bladders is fixed on housing by bladders support.
4. hydrolyzable Absorption of Fluoride device in a kind of sulfur hexafluoride gas as claimed in claim 1, is characterized in that, between described glass evacuated threeway and bladders, screw clamp is set.
5. hydrolyzable Absorption of Fluoride device in a kind of sulfur hexafluoride gas as claimed in claim 1, is characterized in that, described in vacuumize bottle volume be 1000ml, can bear below condition of high vacuum degree 13.3Pa.
6. hydrolyzable Absorption of Fluoride device in a kind of sulfur hexafluoride gas as claimed in claim 1, is characterized in that, described vacuum meter measurement range is between 0.1Pa between 0.1Mpa, and institute joins that to regulate model be ZJ-52T/KF16.
7. hydrolyzable Absorption of Fluoride device in a kind of sulfur hexafluoride gas as claimed in claim 1, is characterized in that, described in to vacuumize self-sealing joint be the big Lip river of generation gram self-sealing joint.
CN201420091992.9U 2014-02-28 2014-02-28 Device for absorbing hydrolysable fluoride in sulfur hexafluoride gas Expired - Lifetime CN203798738U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525829A (en) * 2017-08-03 2017-12-29 国网安徽省电力公司电力科学研究院 The detection method of hydrolyzable content of fluoride in sulfur hexafluoride gas
CN107576708A (en) * 2017-08-03 2018-01-12 国网安徽省电力公司电力科学研究院 Hydrolyzable the Determination Method of Fluoride and device in sulfur hexafluoride gas
CN109738240A (en) * 2019-03-07 2019-05-10 常州进出口工业及消费品安全检测中心 A kind of device for formulating and its configuration method for hazardous gas quantitative detection
CN110954532A (en) * 2019-11-28 2020-04-03 吉林大学 Soil nutrient detection device based on visual smell sense

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525829A (en) * 2017-08-03 2017-12-29 国网安徽省电力公司电力科学研究院 The detection method of hydrolyzable content of fluoride in sulfur hexafluoride gas
CN107576708A (en) * 2017-08-03 2018-01-12 国网安徽省电力公司电力科学研究院 Hydrolyzable the Determination Method of Fluoride and device in sulfur hexafluoride gas
CN109738240A (en) * 2019-03-07 2019-05-10 常州进出口工业及消费品安全检测中心 A kind of device for formulating and its configuration method for hazardous gas quantitative detection
CN109738240B (en) * 2019-03-07 2024-05-03 常州工业及消费品检验有限公司 Preparation device for quantitative detection of dangerous gas and preparation method thereof
CN110954532A (en) * 2019-11-28 2020-04-03 吉林大学 Soil nutrient detection device based on visual smell sense
CN110954532B (en) * 2019-11-28 2021-07-02 吉林大学 Soil nutrient detection device based on visual smell sense

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Granted publication date: 20140827

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