CN207951160U - It is a kind of using SF6 as the standard gas preparation device of spirit - Google Patents
It is a kind of using SF6 as the standard gas preparation device of spirit Download PDFInfo
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- CN207951160U CN207951160U CN201820217586.0U CN201820217586U CN207951160U CN 207951160 U CN207951160 U CN 207951160U CN 201820217586 U CN201820217586 U CN 201820217586U CN 207951160 U CN207951160 U CN 207951160U
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- gas
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- mixed diluting
- input
- diluting device
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000007865 diluting Methods 0.000 claims abstract description 53
- 239000003085 diluting agent Substances 0.000 claims description 3
- 229910018503 SF6 Inorganic materials 0.000 description 41
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 10
- 238000000354 decomposition reaction Methods 0.000 description 8
- 229960000909 sulfur hexafluoride Drugs 0.000 description 4
- 239000012895 dilution Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model is one kind with SF6For the standard gas preparation device of spirit, belong to field of electrical equipment.For existing in the prior art with SF6The problem that pressure is low, procurement cycle is long and the term of validity is short is configured for the calibrating gas of spirit, it is as follows using technical solution：One kind is with SF6For the standard gas preparation device of spirit, including SF6The input port of the input port of gas and gas to be diluted, level-one mixed diluting device and two level mixed diluting device and gas delivery port, the SF6Gas input port is connected to the input terminal of level-one mixed diluting device, two level mixed diluting device, the input port of the gas to be diluted is connected to the input terminal of level-one mixed diluting device, level-one mixed diluting device is connected to the input terminal of two level mixed diluting device, and two level mixed diluting device is connected to gas delivery port.Utility model device, which has, is quickly obtained calibrating gas with high accuracy, has good stability, and to tested instrument check the characteristics of convenient and cost reduction.
Description
Technical field
The utility model belongs to field of electrical equipment, more particularly to one kind is with SF6For the standard gas preparation device of spirit.
Background technology
Widely used sulfur hexafluoride decomposition product tester is detected for the Hidden fault of charger in power industry
And fault diagnosis, SO need to be carried out to decomposition product tester2/SF6、H2S/SF6、CO/SF6Etc. detection accuracies, repeatability, reaction
The detection of time.SO is generally purchased in existing industry2/SF6、H2S/SF6、CO/SF6Calibrating gas is but lithium as standard substance
At 0 ~ 20 DEG C, when pressure is 1.3 ~ 2.1Mpa, sulfur hexafluoride can liquefy sulphur gas, so, using sulfur hexafluoride as the mark of spirit
Quasi- gas pressure generally cannot be high, and general control is in 1.0MPa hereinafter, which results in SO2/SF6、H2S/SF6、CO/SF6Commercial bottle
Filling calibrating gas, that there are available quantities on is few, and the shelf-life is shorter（Generally six months）, purchase inconvenient problem.
Utility model content
For existing in the prior art with SF6For spirit calibrating gas available quantity it is few, the shelf-life is shorter, buying is inconvenient
Problem, utility model provide one kind with SF6Can be quickly SF for the standard gas preparation device of spirit6Decomposition product is tested
The instruments such as instrument are provided with SF6For the calibrating gas of spirit.
The utility model is as follows using technical solution：One kind is with SF6For the standard gas preparation device of spirit, including SF6Gas
The input port of the input port of body and gas to be diluted, level-one mixed diluting device and two level the mixed diluting dress for diluent gas
It sets and gas delivery port, gas to be diluted is SO2、H2S or CO, the SF6Gas input port passes through the second input gas respectively
Road, third input gas circuit are connected to the input terminal of level-one mixed diluting device, two level mixed diluting device, the gas to be diluted
Input port by first input gas circuit be connected to the input terminal of level-one mixed diluting device, the output of level-one mixed diluting device
End is connected to by the first output gas circuit with the input terminal of two level mixed diluting device, and the output end of two level mixed diluting device passes through
Second output gas circuit is connected to gas delivery port.
SF6Gas and gas to be diluted pass through dilute twice in the device of the utility model, and diluted path is shorter,
Therefore it can be quickly obtained with SF6For the calibrating gas of spirit；In use, need to only be connected to pure SF at input port6With it is to be diluted
Gas（Such as SO2、H2Pure gas of S or CO etc.）It can be obtained in equipped at outlet port certain density with SF6It, can for the calibrating gas of spirit
How much to use how many just conveyings, the cost of storage standard gas is saved, therefore, utility model device, which has, to be quickly obtained
The higher calibrating gas of precision, has good stability, and to tested instrument check the characteristics of convenient and cost reduction.
Further, it is respectively equipped with control gas in the first input gas circuit, the second input gas circuit and third input gas circuit
The first high precision pump, the second high precision pump and the third high precision pump of body flow.Setting
High precision pump is and to ensure finally to obtain in gas delivery port to ensure that the gas flow of input is accurately controlled
The concentration of calibrating gas.
Further, a current divider for being used for shunting connects SF6Gas input port second inputs gas circuit and third input
Gas circuit is connected to, wherein SF6Gas input port is located at the input terminal of a current divider, the second input gas circuit, third input gas circuit position
In the output end of a current divider, second high precision pump, third high precision pump are located at one
Between secondary current divider and level-one mixed diluting device, between a current divider and two level mixed diluting device.Use occupied space
A smaller current divider is by SF6The gas circuit of gas conveying is divided into two-way, and apparatus structure can be made compact；SF6Gas is split rear defeated
Before entering level-one mixed diluting device and two level mixed diluting device, by the second high precision pump, third high-precision flow
Controller measures and controls flow, and SF is accurately controlled to reach6The purpose of gas flow, and be mark of the output with certain concentration
Quasi- gas is prepared.
Further, the gas delivery port includes one group of calibrating gas delivery outlet and evacuation port, for the secondary of shunting
Current divider is placed between two level mixed diluting device and gas delivery port, and input terminal and the two level mixed diluting of second diffluence device fill
Connection is set, output end is connected to calibrating gas delivery outlet, evacuation port.Calibrating gas delivery outlet can be multiple, and each delivery outlet connects
Meet a high precision pump, calibrating gas delivery outlet and SF6Decomposition product analyzer connects, outlet and gas sampling
Device or the connection of chromatograph sample tap.
Further, second diffluence device passes through output flow meter, emptying flow respectively with calibrating gas delivery outlet, evacuation port
Meter connection, the output flow meter, emptying flowmeter adjust separately, show the flow of the calibrating gas, air-discharging that export.Standard
Gas delivery port can have multiple, and each delivery outlet connects there are one output flow meter.
Further, the flow of calibrating gas delivery outlet outputting standard gas is 100 ~ 500ml/min, level-one mixed diluting
The dilution ratio of device and two level mixed diluting device is 50 ~ 150, obtained SO2、H2S calibrating gas output a concentration of 0 ~
150 μ l/l, CO calibrating gas export a concentration of 0 ~ 60 μ l/l.
It can be SF that the utility model, which provides one kind,6The instruments such as decomposition product analyzer quickly provide the dress of calibrating gas
It sets, which can evaluate SF6Whether the work of the instruments such as decomposition product analyzer is reliable, including SF6In SO2、H2S or CO inspections
Whether the accuracy of survey, reaction speed meet the requirements.The device can be widely applied to the laboratory of electric system and metering system,
To SF6The instruments such as decomposition product analyzer carry out testing calibration, the operation of supervision sulfur hexafluoride gas-filled equipment, gas are leaked,
Environment measuring is of great significance.
The utility model has the advantage that： SF6Gas and gas to be diluted pass through in the device of the utility model
Dilute twice, and diluted path is shorter；In use, need to only be connected to pure SF at input port6With certain gas to be diluted（Such as
SO2、H2Pure gas of S or CO etc.）It can be obtained in equipped at outlet port certain density with SF6It, can be now with existing for the calibrating gas of spirit
With saving the cost of storage standard gas, utility model device, which has, is quickly obtained the higher calibrating gas of precision, stablizes
The characteristics of property good and cost reduction.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
With reference to the attached drawing of the utility model, the technical solution of the utility model embodiment is explained and illustrated,
But following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode, this field
Technical staff's obtained other embodiment without making creative work, belongs to the protection model of the utility model
It encloses.
The utility model with SF6For the standard gas preparation device of spirit, as shown in Figure 1, including SF6The input of gas
The input port of mouth and gas to be diluted is used for the level-one mixed diluting device and two level mixed diluting device of diluent gas, and
Gas delivery port, gas to be diluted are SO2、H2S or CO, the SF6Gas input port passes through the second input gas circuit, third respectively
Input gas circuit is connected to the input terminal of level-one mixed diluting device, two level mixed diluting device, the input of the gas to be diluted
Mouth is connected to by the first input gas circuit with the input terminal of level-one mixed diluting device, and the output end of level-one mixed diluting device passes through
First output gas circuit is connected to the input terminal of two level mixed diluting device, and the output end of two level mixed diluting device is defeated by second
Go out gas circuit to be connected to gas delivery port.
It is respectively equipped with the of control gas flow in the first input gas circuit, the second input gas circuit and third input gas circuit
One high precision pump, the second high precision pump and third high precision pump.High-precision flow is set
Controller is and to ensure the concentration of calibrating gas finally obtained in gas delivery port to ensure that gas flow is accurately controlled.
A current divider for shunting connects SF6Gas input port, the second input gas circuit are connected to third input gas circuit,
Wherein, SF6Gas input port is located at the input terminal of a current divider, and the second input gas circuit, third input gas circuit are located at primary point
The output end of device is flowed, second high precision pump, third high precision pump are located at a current divider
Between level-one mixed diluting device, between a current divider and two level mixed diluting device.Using occupied space it is smaller one
Secondary current divider is by SF6The gas circuit of gas conveying is divided into two-way, and apparatus structure can be made compact；SF6Input level-one is mixed after gas is split
Before closing dilution device and two level mixed diluting device, by the second high precision pump, third high precision pump meter
Flow is measured and controlled, SF is accurately controlled to reach6The purpose of gas flow, and done for calibrating gas of the output with certain concentration
Prepare.
The gas delivery port includes calibrating gas delivery outlet and evacuation port, and the second diffluence device for shunting is placed in two level
Between mixed diluting device and gas delivery port, the input terminal of second diffluence device is connected to two level mixed diluting device, output end
It is connected to calibrating gas delivery outlet, evacuation port.Calibrating gas delivery outlet and SF6Decomposition product analyzer connects, outlet with it is useless
The sample tap of gas collector or gas chromatograph connects, and is further checked, is confirmed with the concentration to calibrating gas.
Second diffluence device is connected to by output flow meter, emptying flowmeter respectively with calibrating gas delivery outlet, evacuation port, institute
State output flow meter, the adjustment of emptying flowmeter, the calibrating gas for showing output, vent gas flow.
The flow of calibrating gas delivery outlet outputting standard gas is 100 ~ 500ml/min, level-one mixed diluting device and two
The dilution ratio of grade mixed diluting device is 50 ~ 150, obtained SO2、H2S calibrating gas exports a concentration of 0 ~ 150 μ l/l, CO
Calibrating gas exports a concentration of 0 ~ 600 μ l/l.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, one skilled in the art should be understood that the utility model includes but not limited to attached drawing and specific implementation mode above
Described in content.The modification of any function and structure principle without departing from the utility model is intended to be included in the model of claim
In enclosing.
Claims (6)
1. one kind is with SF6For the standard gas preparation device of spirit, which is characterized in that including SF6The input port of gas and to be diluted
The input port of gas, for the level-one mixed diluting device and two level mixed diluting device and gas delivery port of diluent gas,
Gas to be diluted is SO2、H2S or CO, the SF6Gas input port inputs gas circuit and one by the second input gas circuit, third respectively
The input terminal connection of grade mixed diluting device, two level mixed diluting device, the input port of the gas to be diluted are defeated by first
Enter gas circuit to be connected to the input terminal of level-one mixed diluting device, the output end of level-one mixed diluting device passes through the first output gas circuit
It is connected to the input terminal of two level mixed diluting device, the output end of two level mixed diluting device passes through the second output gas circuit and gas
Delivery outlet is connected to.
2. according to claim 1 with SF6For the standard gas preparation device of spirit, which is characterized in that first input
Gas circuit, second input gas circuit and third input gas circuit on be respectively equipped with control gas flow the first high precision pump,
Second high precision pump and third high precision pump.
3. according to claim 2 with SF6For the standard gas preparation device of spirit, which is characterized in that one for shunting
Secondary current divider connects SF6Gas input port, the second input gas circuit and third input gas circuit, wherein SF6Gas input port is located at one
The input terminal of secondary current divider, the second input gas circuit, third input gas circuit are located at the output end of a current divider, and described second is high-precision
Degree flow controller, third high precision pump be located between a current divider and level-one mixed diluting device, one
Between secondary current divider and two level mixed diluting device.
4. according to claim 2 with SF6For the standard gas preparation device of spirit, which is characterized in that the gas output
Mouth includes one group of calibrating gas delivery outlet and evacuation port, and the second diffluence device for shunting is placed in two level mixed diluting device and gas
Between body delivery outlet, the input terminal of second diffluence device is connected to two level mixed diluting device, output end and calibrating gas delivery outlet,
Evacuation port is connected to.
5. according to claim 2 with SF6For the standard gas preparation device of spirit, which is characterized in that second diffluence device with
Calibrating gas delivery outlet, evacuation port pass through output flow meter, emptying flowmeter connection, the output flow meter, evacuation flow respectively
Gauge is used to adjust, shows the calibrating gas of output and the flow of vent gas.
6. according to claim 2 with SF6For the standard gas preparation device of spirit, which is characterized in that defeated in calibrating gas
The flow for exporting outputting standard gas is 100 ~ 500ml/min, level-one mixed diluting device and two level mixed diluting device it is dilute
It is 50 ~ 150 to release multiplying power, obtained SO2、H2It is a concentration of that S calibrating gas exports a concentration of 0 ~ 150 μ l/l, CO calibrating gas output
0~600μl/l。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217586.0U CN207951160U (en) | 2018-02-07 | 2018-02-07 | It is a kind of using SF6 as the standard gas preparation device of spirit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217586.0U CN207951160U (en) | 2018-02-07 | 2018-02-07 | It is a kind of using SF6 as the standard gas preparation device of spirit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207951160U true CN207951160U (en) | 2018-10-12 |
Family
ID=63738067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820217586.0U Active CN207951160U (en) | 2018-02-07 | 2018-02-07 | It is a kind of using SF6 as the standard gas preparation device of spirit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207951160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227380A (en) * | 2019-04-25 | 2019-09-13 | 滨州渤海活塞有限公司 | A kind of remelting piston protection gas gas mixing device |
| CN112781969A (en) * | 2019-11-06 | 2021-05-11 | 中国石油化工股份有限公司 | Gas dilution device and method for online monitoring |
-
2018
- 2018-02-07 CN CN201820217586.0U patent/CN207951160U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227380A (en) * | 2019-04-25 | 2019-09-13 | 滨州渤海活塞有限公司 | A kind of remelting piston protection gas gas mixing device |
| CN112781969A (en) * | 2019-11-06 | 2021-05-11 | 中国石油化工股份有限公司 | Gas dilution device and method for online monitoring |
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