CN205210099U - A device that is arranged in micro - oily content testing of gas - Google Patents
A device that is arranged in micro - oily content testing of gas Download PDFInfo
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- CN205210099U CN205210099U CN201521038753.8U CN201521038753U CN205210099U CN 205210099 U CN205210099 U CN 205210099U CN 201521038753 U CN201521038753 U CN 201521038753U CN 205210099 U CN205210099 U CN 205210099U
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- absorbing liquid
- drexel bottle
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Abstract
The utility model discloses a device that is arranged in micro - oily content testing of gas, including the gas washing container of connecting the gas supply pipe that awaits measuring, an absorption liquid conveyer pipe from the carbon tetrachloride absorption liquid to the gas washing container that carry is still connected to the gas washing container, the upper end of gas washing container is provided with the outlet port of being connected with waste gas exhaust pipe, the import of absorption liquid discharge pipe is connected to the lower extreme of gas washing container, quantitative container of absorption liquid discharge pipe exit linkage, the sample connection of ration container is located quantitative container bottom, the sample connection is through the motorised valve, ration sample flowmeter is connected with the detector, the detector testing result exports data processor to and handles. The utility model discloses with micro - oil washing gas in the gas etc. In advance processing technique with detect on technique combination concentrates unified device on, can accomplish gas in trace oil from the sample pretreatment to the whole flows that detect, installation of automated operation degree is high, but accurate control gas flow measures detection error that reduction manually operation brought with absorbing gas.
Description
Technical field
The utility model belongs to gaseous mass detection technique, particularly a kind of device for Micro-oil In Gases content detection.
Background technology
Oil in circulating gas content, as the important indicator evaluating gas products quality, is more and more subject to concern and the attention of people.The detection of oleaginousness in gas is become to an important step of gas products production and application process.In power production process, common SF6 gas, pressurized air etc., all to the restricted regulation of Oil in circulating gas content, if Oil in circulating gas content overproof, may affect the normal operation of power equipment or instrument and meter.May make gas-insulated hydraulic performance decline as SF6 Oil in circulating gas content increases, the equipment that affects normally runs, and in pressurized air, oil content increases and may reduce gas converting heat efficiency, affects instrument and normally uses, and is therefore necessary the detection carrying out Oil in circulating gas content.
Oil content in gas is mainly derived from compressor or container containing medium, and the gathering of hydrocarbon in raw air, mainly exists with the form of the gasoloid of liquid particulate or oil vapour in gas.Oil in circulating gas content concn is general all less, and lower than tens mg/m3, and oil composition is complicated, needs to carry out suitable pre-service to gaseous sample in advance, will wherein oil content quantitative adsorption concentrating measure again.Common preprocess method has the absorption of solvent absorption, sorbing material, condensation rich absorbent, above-mentioned preprocess method all needs to utilize solvent adsorption or dissolved oil component, and do not possess the detectability of oil content, also need just can detect in conjunction with the method such as infrared spectrophotometer, ultraviolet spectrophotometry.
Also do not have at present a set of instrumentation can oil content directly in mensurated gas composition, by direct method for measuring detection Oil in circulating gas content, therefore cannot cannot detect at the scene.During detection, need to get gas sample from scene and deliver to laboratory, just can carry out pre-service (namely oil content absorbs) and the testing of gaseous sample.Get the opportunities for contamination that gas sample not only may increase sample gas from scene, and workflow is complicated, operating difficulties, is not suitable for on-the-spot quick detection analysis.
Carry out for the ease of scene the detection that Oil in circulating gas divides content, the scene needing oil content in learning gas badly absorbs and detection technique, forms the absorption and testing process that are applicable to on-the-spot Oil in circulating gas content.
Summary of the invention
The purpose of this utility model is to provide a kind of device for Micro-oil In Gases content detection, is a kind of reasonable in design, compact conformation, the scene of being convenient to carries, the device of accuracy of detection and the high Micro-oil In Gases content detection of automaticity.
The purpose of this utility model is achieved through the following technical solutions.
A kind of device for Micro-oil In Gases content detection, comprise the gas washing container connecting air shooter to be measured, gas washing container also connects an absorbing liquid delivery pipe to gas washing container transport phenixin absorbing liquid, the upper end of gas washing container is provided with the outlet port be connected with exhaust emission tube, the lower end of gas washing container connects the import of absorbing liquid vent pipe, absorbing liquid vent pipe outlet connection dosing container, the sample connection of dosing container is positioned at bottom dosing container, sample connection is through motorized valve, quantitative sampling flowmeter is connected with detecting device, detecting device testing result exports data processor to and processes.
Scheme is further: described gas washing container is arranged on a temperature and is less than or equal in the constant temperature oven of 10 degrees Celsius.
Scheme is further: described gas washing container comprises two Drexel bottles, be respectively one-level Drexel bottle and secondary Drexel bottle, the reduction valve of described one-level Drexel bottle top by being linked in sequence from gas delivery end, hand stop valve, flowmeter is connected with air shooter, the air shooter that secondary Drexel bottle top connects and one-level Drexel bottle top are connected to form one-level Drexel bottle and secondary Drexel bottle gas and carry and connect, outlet port is arranged on secondary Drexel bottle top, outlet port connects a stage purification processor by exhaust emission tube, stage purification processor is discharged after exhaust-gas treatment, exhaust emission tube between outlet port and stage purification processor is sequentially set with motorized valve and mass flow meters from outlet port side, described absorbing liquid delivery pipe is by being connected to the top of one-level Drexel bottle and secondary Drexel bottle respectively by motorized valve and quantity tube, described one-level Drexel bottle and the bottom of secondary Drexel bottle are respectively arranged with the absorbing liquid escape hole be connected with the import of absorbing liquid vent pipe, and the absorbing liquid vent pipe between absorbing liquid escape hole and dosing container is respectively arranged with motorized valve.
Scheme is further: described absorbing liquid delivery pipe also sequentially passes through motorized valve, adjustable quantitative pipe, manual Mini-adjustable valve are connected to dosing container in order to the absorbing liquid in supplementary dosing container.
Scheme is further: described absorbing liquid delivery pipe is provided with hand stop valve in the pipeline be connected with absorbing liquid source.
The beneficial effects of the utility model:
1, the preconditioning techniques such as Micro-oil In Gases gas washing and detection technique combination concentrate on unified device by device, and can complete Micro-oil In Gases from sample pretreatment to the whole flow processs detected, both having may be used for Site Detection also can at test in laboratory.
2, device adopts low temperature, multiple-stage solvent gas washing, improves the absorptivity of Micro-oil In Gases.
3, device carries out stage purification process to absorption tail gas, avoids toxic and harmful to be disposed to air.
4, plant automation operational degree is higher, precisely can control gas flow and absorb gas flow, reducing the metrical error that manual operation brings.
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
A kind of device for Micro-oil In Gases content detection, as shown in Figure 1, described device comprises the gas washing container F connecting the air shooter C to be measured connected from air source A, gas washing container also connects one from absorbing liquid B to the absorbing liquid delivery pipe D of gas washing container transport phenixin absorbing liquid, the upper end of gas washing container is provided with the outlet port be connected with exhaust emission tube, the lower end of gas washing container connects the import of absorbing liquid vent pipe, absorbing liquid vent pipe outlet connection dosing container 4, the sample connection of dosing container is positioned at bottom dosing container, sample connection is through motorized valve V11, quantitative sampling flowmeter F6 is connected with detecting device 5, detecting device testing result exports data processor 6 to and processes.
In embodiment: in order to ensure the consistance sampled, described gas washing container is arranged on a temperature and is less than or equal in the constant temperature oven 3 of 10 degrees Celsius.
In embodiment: as a kind of preferred version, described gas washing container comprises two Drexel bottles, be called one-level Drexel bottle 1 and secondary Drexel bottle 2, the described reduction valve V1 of one-level Drexel bottle top by being linked in sequence from gas delivery end, hand stop valve V2, flowmeter F1 is connected with air shooter, the air shooter that secondary Drexel bottle top connects and one-level Drexel bottle top are connected to form one-level Drexel bottle and secondary Drexel bottle gas and carry and connect, outlet port is arranged on secondary Drexel bottle top, outlet port connects a stage purification processor 7 by exhaust emission tube, stage purification processor is discharged delivery pipe 8 clean after exhaust-gas treatment, exhaust emission tube between outlet port and stage purification processor is sequentially set with motorized valve V9 and mass flow meters F5 from outlet port side, described absorbing liquid delivery pipe is by being connected to the top of one-level Drexel bottle and secondary Drexel bottle respectively by motorized valve V4 and V5 and quantity tube F2 and F3, wherein, motorized valve V4 and quantity tube F2 is connected to the top of secondary Drexel bottle, and motorized valve V5 and quantity tube F3 is connected to the top of one-level Drexel bottle, described one-level Drexel bottle and the bottom of secondary Drexel bottle are respectively arranged with the absorbing liquid escape hole be connected with the import of absorbing liquid vent pipe, and the absorbing liquid vent pipe between absorbing liquid escape hole and dosing container is respectively arranged with motorized valve V7 and V8.
In embodiment: described absorbing liquid delivery pipe also sequentially passes through motorized valve V6, adjustable quantitative pipe F4, manual Mini-adjustable valve V10 is connected to dosing container in order to the absorbing liquid in supplementary dosing container.
In embodiment: described absorbing liquid delivery pipe is provided with hand stop valve V3 in the pipeline be connected with absorbing liquid source B.
In the above-described embodiments: the sample gas that air source A is come is gas to be checked, successively by reduction valve V1, hand valve V2, flowmeter F1, flow into one-level Drexel bottle 1, secondary Drexel bottle 2, in one-level Drexel bottle 1 and secondary Drexel bottle 2, be respectively charged into 35mL phenixin absorbing liquid.Drexel bottle adopts glass material, is arranged in cryostat, and cryostat outside adopts insulation material, inner by low temperature refrigerant control temperature≤10 DEG C, reduces the volatilization of absorbing liquid phenixin in absorption process.Described stage purification processor 7 points of 4 grades of adsorption treatment, can fill different adsorbents respectively and carry out adsorption treatment to toxic and harmful in gas; In Drexel bottle, phenixin is after absorbing, can by the interface of bottom respectively through motorized valve V7, V8, and a road flows into dosing container 4 through manual Mini-adjustable valve V10; Another road 9,10 is for blowdown during wash bottle.
Absorbing liquid source B(phenixin) after hand valve V3, point 3 branch roads flow out, wherein the first branch road is connected with the spray thrower interface of one-level Drexel bottle 1 through valve V5, quantity tube F3, second branch road is connected with the spray thrower interface of secondary Drexel bottle 2 through valve V4, quantity tube F2,3rd branch road is through motorized valve V6, and adjustable quantitative pipe F4, manual Mini-adjustable valve V10 are connected with dosing container 4.
When constant volume is carried out to dosing container, can according to dosing container existing solution level determination container internal solvent volume, and then set the volume of the phenixin needed for absorbing liquid the 3rd branch road, recycle manual Mini-adjustable valve V10 and control, accurate constant volume is carried out to dosing container 4.The sample connection of dosing container 4 is positioned at container bottom, and be connected with detecting device 5 through motorized valve V11, quantitative sampling flowmeter F6 respectively, testing result is processed by data processor 6.
When adopting other organic solvents to be absorbing liquid, change absorbing liquid B, other flow process is the same.
Before carrying out absorption process, absorbing liquid first should be utilized to rinse Drexel bottle and pipeline, avoid Drexel bottle and pipeline residual components on the impact of testing result.
In addition, when adopting solvent absorption process, conventional absorbing liquid has phenixin, normal hexane, chloroform, sherwood oil etc.When adopting carbon tetrachloride solvent, the impurity carried for avoiding himself has absorption on measurement wavelength, affects testing result, phenixin should be distilled, and mix agents useful for same in advance according to consumption, form unified background solution; When using sherwood oil for solvent, the general ultraviolet spectrophotometry that coordinates detects, and needs to detect after Porous deproteinized bone process again; Longer according to soak time, volatile lyosorption should absorb at low temperatures, avoids lyosorption volatilize and affect assimilation effect.When adopting sorbing material absorption process, only cannot absorb the micro-oil content of less than 0.1 μm with absorbent cotton, two-layer quantitative filter paper can be installed additional at the two ends of absorption tube, jointly form absorption system with absorbent cotton; Absorb the lower (0.001 ~ 10mg/m of oleaginousness
3) gas, glass fiber membrane can be selected to absorb.When adopting condensation rich absorbent method, the difference of kind should be divided according to Oil in circulating gas, select different refrigerants (liquid nitrogen or liquid oxygen) and material (glass or stainless steel).The different absorption efficiency difference absorbing disposal route, the absorptivity improving micro oil in gaseous sample is the prerequisite and key that realize accurately detecting.
Claims (5)
1. the device for Micro-oil In Gases content detection, it is characterized in that, described device comprises the gas washing container connecting air shooter to be measured, gas washing container also connects an absorbing liquid delivery pipe to gas washing container transport phenixin absorbing liquid, the upper end of gas washing container is provided with the outlet port be connected with exhaust emission tube, the lower end of gas washing container connects the import of absorbing liquid vent pipe, absorbing liquid vent pipe outlet connection dosing container, the sample connection of dosing container is positioned at bottom dosing container, sample connection is through motorized valve, quantitative sampling flowmeter is connected with detecting device, detecting device testing result exports data processor to and processes.
2. the device for Micro-oil In Gases content detection according to claim 1, is characterized in that, described gas washing container is arranged on a temperature and is less than or equal in the constant temperature oven of 10 degrees Celsius.
3. the device for Micro-oil In Gases content detection according to claim 1, it is characterized in that, described gas washing container comprises two Drexel bottles, be respectively one-level Drexel bottle and secondary Drexel bottle, the reduction valve of described one-level Drexel bottle top by being linked in sequence from gas delivery end, hand stop valve, flowmeter is connected with air shooter, the air shooter that secondary Drexel bottle top connects and one-level Drexel bottle top are connected to form one-level Drexel bottle and secondary Drexel bottle gas and carry and connect, outlet port is arranged on secondary Drexel bottle top, outlet port connects a stage purification processor by exhaust emission tube, stage purification processor is discharged after exhaust-gas treatment, exhaust emission tube between outlet port and stage purification processor is sequentially set with motorized valve and mass flow meters from outlet port side, described absorbing liquid delivery pipe is by being connected to the top of one-level Drexel bottle and secondary Drexel bottle respectively by motorized valve and quantity tube, described one-level Drexel bottle and the bottom of secondary Drexel bottle are respectively arranged with the absorbing liquid escape hole be connected with the import of absorbing liquid vent pipe, and the absorbing liquid vent pipe between absorbing liquid escape hole and dosing container is respectively arranged with motorized valve.
4. the device for Micro-oil In Gases content detection according to claim 1, it is characterized in that, described absorbing liquid delivery pipe also sequentially passes through motorized valve, adjustable quantitative pipe, manual Mini-adjustable valve be connected to dosing container in order to the absorbing liquid in supplementary dosing container.
5. the device for Micro-oil In Gases content detection according to claim 1, is characterized in that, described absorbing liquid delivery pipe is provided with hand stop valve in the pipeline be connected with absorbing liquid source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038753.8U CN205210099U (en) | 2015-12-15 | 2015-12-15 | A device that is arranged in micro - oily content testing of gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038753.8U CN205210099U (en) | 2015-12-15 | 2015-12-15 | A device that is arranged in micro - oily content testing of gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205210099U true CN205210099U (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521038753.8U Expired - Fee Related CN205210099U (en) | 2015-12-15 | 2015-12-15 | A device that is arranged in micro - oily content testing of gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205210099U (en) |
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2015
- 2015-12-15 CN CN201521038753.8U patent/CN205210099U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20201215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |