CN201421457Y - Residual solvent quantity tester - Google Patents
Residual solvent quantity tester Download PDFInfo
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- CN201421457Y CN201421457Y CN2009200205307U CN200920020530U CN201421457Y CN 201421457 Y CN201421457 Y CN 201421457Y CN 2009200205307 U CN2009200205307 U CN 2009200205307U CN 200920020530 U CN200920020530 U CN 200920020530U CN 201421457 Y CN201421457 Y CN 201421457Y
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Abstract
The utility model discloses a residual solvent quantity tester. The utility model has the advantages of simple structure and convenient operation, and solves the problems engendered by temperature difference caused by the uncontrollable temperature of pipelines, including absorption, condensation and poor manual sampling precision. The tester comprises at least one sample unit, at least one gas sample detector and at least one gas sample quantitative sampling and sample inlet unit, wherein the gas sample quantitative sampling and sample inlet unit comprises a multi-station communication valveI, which is communicated with both ends of a quantification unit through pipelines; one end of an sample inlet valve is connected in series with a gas pressure meter and a gas pressure regulation valve through a pipeline, and then is communicated with a gas source, and the other end of the sample inlet valve is communicated with the multi-station communication valve I; a gas extractor is sequentially connected in series with a sampling valve and a blowoff valve, and then is communicated with the gas pressure meter; meanwhile, the pipeline between the sampling valve and the blowoff valve is also communicated with the multi-station communication valve I; and the sample unit and the gas sample detector are respectively communicated with the multi-station communication valve I through respective pipelines.
Description
Technical field
The utility model relates to a kind of solvent residual amount proving installation, especially can realize automatic ration sampling, automatic ration sample introduction and have the low cost solvent residual quantity proving installation of multistage temperature controlling function.
Background technology
The residual quantity of solvent residual amount test test material solvent that uses in printing, forming process is the main project that food, drug safety detect.The solvent residual amount proving installation comprises sample device, sample gas quantitative sampling sampling device and sample gas pick-up unit.In the solvent residual amount proving installation of current use, the sample device separates with sample gas pick-up unit, and the sample introduction that quantitatively reaches of sample gas is finished by operating personnel, have following problem: at first inconsistent the and sampling variation of ambient temperature of temperature can cause that sample gas in pipeline or absorption in the quantitative sampling sampling device and condensation, causes test data less than normal between each device.Next is the personal error that manually-operated causes, the most outstanding is that artificial sample size precision is difficult to be guaranteed, the size that how much directly influences test data of sample size, simultaneously the operating speed and the time of artificial sample introduction also can exert an influence to test data, yet speed and the time that will accurately control artificial sample introduction can't realize.Therefore how to avoid sample gas in pipeline or the absorption in the quantitative sampling sampling device and condensation and the artificial accurately sample introduction problem two large problems that is current urgent need solution.Adopt automatic sampling apparatus can solve above two problems, but this device costs an arm and a leg, even can be higher than the price of high-end gas-detecting device, therefore, to promote this device and not meet national conditions in China, even in developed countries such as America and Europes, the subject matter that solvent residual amount detects is also seldom perplexed so gas absorption, condensation and accurate sample introduction problem remain in the laboratory of employing automatic sampling apparatus.
Summary of the invention
The utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of and realizes automatic ration sampling, automatic ration sample introduction and subelement in the sample introduction structure, pipeline are carried out temperature controlled low cost solvent residual quantity proving installation respectively.
For achieving the above object, the utility model adopts following technical scheme:
A kind of solvent residual amount proving installation, it comprises sample device, sample gas quantitative sampling sampling device and sample gas pick-up unit.Sample gas quantitative sampling sampling device comprises the connecting line of gaseous tension variable valve, gas gauge, sampling valve, blow off valve, sample valve, air extractor, multistation communicating valve, proportioning device, each several part connecting line and sample gas quantitative sampling sampling device and sample device, sample gas pick-up unit.Realize the automatic ration sampling of sample gas by the connecting line between air extractor, sample valve, multistation communicating valve I, proportioning device, multistation communicating valve II, above each several part connecting line and multistation communicating valve II and the sample device; Realize the automatic ration sample introduction of sample gas by the connecting line between gaseous tension variable valve, gas gauge, sampling valve, multistation communicating valve I, proportioning device, above each several part connecting line and multistation communicating valve I and the sample gas pick-up unit; Pipeline after sampling, the sample introduction process that is implemented in each sample gas by the connecting line between gaseous tension variable valve, gas gauge, blow off valve, multistation communicating valve I, proportioning device, multistation communicating valve II, above each several part connecting line and multistation communicating valve II and the sample device finishes purges.At least one place has independently attemperating unit in multistation communicating valve I, multistation communicating valve II, the proportioning device, and at least one place is provided with the pipeline attemperating unit in the connecting line between the connecting line between connecting line, multistation communicating valve II and the sample device between connecting line, multistation communicating valve I and the proportioning device between multistation communicating valve I and the multistation communicating valve II, multistation communicating valve I and the sample gas pick-up unit.Described gaseous tension variable valve is connected with source of the gas by pipeline I, and is communicated with gas gauge by pipeline II; Gas gauge is communicated with sampling valve by pipeline III, and is communicated with blow off valve by pipeline XIII; Sampling valve is communicated with multistation communicating valve I by pipeline IV; Blow off valve is communicated with sample valve by pipeline XIV, pipeline XV successively, and is communicated with multistation communicating valve I by pipeline XIV, pipeline XII successively; Sample valve is communicated with the back emptying by pipeline V with air extractor, and is communicated with multistation communicating valve I by pipeline XV, pipeline XII successively.Multistation communicating valve I is communicated with proportioning device by pipeline VII, pipeline XI respectively, is communicated with multistation communicating valve II by pipeline X, and is communicated with sample gas pick-up unit by pipeline VI.Multistation communicating valve II is communicated with sample device II by pipeline VIII, is communicated with sample device I by pipeline IX.
Described multistation communicating valve I mouth of pipe quantity is at least six, described multistation communicating valve II mouth of pipe quantity many one of the sampling device sum of having a competition at least.
Described sample device should comprise at least one sample device, and at the outside set sample device attemperating unit of each sample device, sample device I outside is provided with sample device I attemperating unit, and sample device II outside is provided with sample device II attemperating unit.Sample device I is communicated with multistation communicating valve II by pipeline IX respectively, and sample device II is communicated with multistation communicating valve II by pipeline VIII respectively.
Described sample gas pick-up unit comprises detector.Sample gas pick-up unit is communicated with multistation communicating valve I by pipeline VI.
Described multistation communicating valve I outside is provided with multistation communicating valve I attemperating unit, multistation communicating valve II outside and is provided with multistation communicating valve I I attemperating unit, proportioning device outside and is provided with that proportioning device attemperating unit, sample device I outside are provided with sample device I attemperating unit, sample device II outside is provided with sample device II attemperating unit.Each attemperating unit is liquid bath attemperating unit or air bath attemperating unit or immerging metal tube heater or attemperator.
Described pipeline attemperating unit comprises the pipeline attemperating unit I that is separately positioned on the pipeline VI outside that is communicated with sample gas pick-up unit and multistation communicating valve I, the pipeline VII that is communicated with multistation communicating valve I and proportioning device, the pipeline attemperating unit II of pipeline XI outside, pipeline attemperating unit IV, the pipeline attemperating unit III that is communicated with the pipeline X outside of multistation communicating valve I and multistation communicating valve II, the pipeline attemperating unit V that is communicated with the pipeline VIII outside of sample device II and multistation communicating valve II, be communicated with the pipeline attemperating unit VI of the pipeline IX outside of sample device I and multistation communicating valve II, each pipeline attemperating unit is liquid bath attemperating unit or air bath attemperating unit or immerging metal tube heater or attemperator.
Solvent residual amount proving installation of the present utility model mainly is made up of several parts such as sample device, sample gas quantitative sampling sampling device, sample gas pick-up unit, each connecting pipes.Sample gas quantitative sampling sampling device comprises the connecting line of gaseous tension variable valve, gas gauge, sampling valve, blow off valve, sample valve, air extractor, multistation communicating valve (multistation communicating valve I and multistation communicating valve II), proportioning device, each several part connecting line and sample gas quantitative sampling sampling device and sample device, sample gas pick-up unit.Wherein the multistation communicating valve all has two kinds of duties at least, can change the internal communication pipeline of multistation communicating valve by the duty of adjusting the multistation communicating valve, realizes the change of gas circuit.Described gaseous tension variable valve is connected with source of the gas by pipeline I, and is communicated with gas gauge by pipeline II; Gas gauge is communicated with sampling valve by pipeline III, and is communicated with blow off valve by pipeline XIII; Sampling valve is communicated with multistation communicating valve I mouth of pipe III by pipeline IV; Blow off valve is communicated with sample valve by pipeline XIV, pipeline XV successively, and is communicated with multistation communicating valve I mouth of pipe I by pipeline XIV, pipeline XII successively; Sample valve is communicated with the back emptying by pipeline V with air extractor, and is communicated with multistation communicating valve I mouth of pipe I by pipeline XV, pipeline XII successively.Multistation communicating valve I mouth of pipe II is communicated with proportioning device by pipeline XI, multistation communicating valve I mouth of pipe V is communicated with proportioning device by pipeline VII, multistation communicating valve I mouth of pipe VI is communicated with multistation communicating valve II mouth of pipe II by pipeline X, and is communicated with sample gas pick-up unit by pipeline VI.Multistation communicating valve II mouth of pipe I is communicated with sample device I by pipeline IX, and multistation communicating valve II mouth of pipe III is communicated with sample device II by pipeline VIII.The sample device should comprise at least one sample device, and at the outside set sample device attemperating unit of each sample device, each sample device should be communicated with multistation communicating valve II by pipeline respectively.Described sample gas pick-up unit comprises detector, is communicated with multistation communicating valve I by pipeline.Detection comprises that pipeline purge, baseline detection, quantitative sampling, quantitative sample injection, sample gas detect this five steps, and sampling is carried out successively according to sample device numbering, and a sample detects to finish and need to carry out the baseline detection before the back sample of detection.At first carry out the pipeline purge, open blow off valve, close sampling valve, sample valve, air extractor, multistation communicating valve I and multistation communicating valve II are in the 1# duty, by pipeline I, the gaseous tension variable valve, pipeline II, gas gauge, pipeline XIII, blow off valve, pipeline XIV, pipeline XII, multistation communicating valve I mouth of pipe I, multistation communicating valve I mouth of pipe II, pipeline XI, proportioning device, pipeline VII, multistation communicating valve I mouth of pipe V, multistation communicating valve I mouth of pipe VI, pipeline X, multistation communicating valve II mouth of pipe II, multistation communicating valve II mouth of pipe I, pipeline IX, sample device I realizes the blowback of sample device I pipeline is cleaned; Regulate multistation communicating valve II to the 2# duty, keep other valves constant, realize the blowback of sample device II pipeline is cleaned by pipeline I, gaseous tension variable valve, pipeline II, gas gauge, pipeline XIII, blow off valve, pipeline XIV, pipeline XII, multistation communicating valve I mouth of pipe I, multistation communicating valve I mouth of pipe II, pipeline XI, proportioning device, pipeline VII, multistation communicating valve I mouth of pipe V, multistation communicating valve I mouth of pipe VI, pipeline X, multistation communicating valve II mouth of pipe II, multistation communicating valve II mouth of pipe III, pipeline VIII, sample device II.Carrying out baseline then detects, open sampling valve, close blow off valve, sample valve, air extractor, multistation communicating valve I carries out baseline by pipeline I, gaseous tension variable valve, pipeline II, gas gauge, pipeline III, sampling valve, pipeline IV, multistation communicating valve I mouth of pipe III, multistation communicating valve I mouth of pipe IV, pipeline VI, sample gas pick-up unit and detects in the 1# duty.Carry out the quantitative sampling of sample device I afterwards, quantitative sample injection and sample gas detect, open sampling valve, sample valve, air extractor, close blow off valve, multistation communicating valve I and multistation communicating valve II are in the 1# duty, by sample device I, pipeline IX, multistation communicating valve II mouth of pipe I, multistation communicating valve II mouth of pipe II, pipeline X, multistation communicating valve I mouth of pipe VI, multistation communicating valve I mouth of pipe V, pipeline VII, proportioning device, pipeline XI, multistation communicating valve I mouth of pipe II, multistation communicating valve I mouth of pipe I, pipeline XII, pipeline XV, sample valve, pipeline V, air extractor is realized the automatic ration sampling to sample gas among the sample device I; Regulate multistation communicating valve I to the 2# duty, carry out the automatic ration sample introduction of sample gas among the sample device I by pipeline I, gaseous tension variable valve, pipeline II, gas gauge, pipeline III, sampling valve, pipeline IV, multistation communicating valve I mouth of pipe III, multistation communicating valve I mouth of pipe II, pipeline XI, proportioning device, pipeline VII, multistation communicating valve I mouth of pipe V, multistation communicating valve I mouth of pipe IV, pipeline VI, sample gas pick-up unit, finish sample gas by sample gas pick-up unit and detect.And then carry out baseline and detect, open sampling valve, close blow off valve, sample valve, air extractor, multistation communicating valve I carries out baseline by pipeline I, gaseous tension variable valve, pipeline II, gas gauge, pipeline III, sampling valve, pipeline IV, multistation communicating valve I mouth of pipe III, multistation communicating valve I mouth of pipe IV, pipeline VI, sample gas pick-up unit and detects in the 1# duty.Carry out the quantitative sampling of sample device II afterwards, quantitative sample injection and sample gas detect, open sampling valve, sample valve, air extractor, close blow off valve, multistation communicating valve I is in the 1# duty, multistation communicating valve II is in the 2# duty, by sample device II, pipeline VIII, multistation communicating valve II mouth of pipe III, multistation communicating valve II mouth of pipe II, pipeline X, multistation communicating valve I mouth of pipe VI, multistation communicating valve I mouth of pipe V, pipeline VII, proportioning device, pipeline XI, multistation communicating valve I mouth of pipe II, multistation communicating valve I mouth of pipe I, pipeline XII, pipeline XV, sample valve, pipeline V, air extractor is realized the automatic ration sampling to sample gas among the sample device II; Regulate multistation communicating valve I to the 2# duty, carry out the automatic ration sample introduction of sample gas among the sample device II by pipeline I, gaseous tension variable valve, pipeline II, gas gauge, pipeline III, sampling valve, pipeline IV, multistation communicating valve I mouth of pipe III, multistation communicating valve I mouth of pipe II, pipeline XI, proportioning device, pipeline VII, multistation communicating valve I mouth of pipe V, multistation communicating valve I mouth of pipe IV, pipeline VI, sample gas pick-up unit, finish sample gas by sample gas pick-up unit and detect.
The utility model adopts the mode of multistage temperature control to whole solvent residual amount proving installation, respectively multistation communicating valve I, multistation communicating valve II, proportioning device, sample device, the pipeline that is communicated with sample gas pick-up unit and multistation communicating valve I, the pipeline that is communicated with sample device and multistation communicating valve II, the pipeline that is communicated with multistation communicating valve I and proportioning device, the pipeline that is communicated with multistation communicating valve I and multistation communicating valve II is carried out temperature control.Wherein multistation communicating valve I carries out temperature control by multistation communicating valve I attemperating unit, multistation communicating valve II carries out temperature control by multistation communicating valve II attemperating unit, proportioning device carries out temperature control by the proportioning device attemperating unit, sample device I carries out temperature control by sample device I attemperating unit to it, and sample device II carries out temperature control by sample device II attemperating unit to it.Each pipeline adopts pipeline attemperating unit separately to carry out temperature control respectively, the pipeline VI outside that is communicated with sample gas pick-up unit and multistation communicating valve I is provided with pipeline attemperating unit I, the pipeline VII that is communicated with multistation communicating valve I and proportioning device, pipeline XI outside is provided with pipeline attemperating unit II, pipeline attemperating unit IV, the pipeline X outside that is communicated with multistation communicating valve I and multistation communicating valve II is provided with pipeline attemperating unit III, the pipeline VIII outside that is communicated with sample device II and multistation communicating valve II is provided with pipeline attemperating unit V, and the pipeline IX outside that is communicated with sample device I and multistation communicating valve II is provided with pipeline attemperating unit VI.Multistation communicating valve I attemperating unit, multistation communicating valve II attemperating unit, proportioning device attemperating unit, pipeline attemperating unit I, pipeline attemperating unit II, pipeline attemperating unit III, pipeline attemperating unit IV, pipeline attemperating unit V, pipeline attemperating unit VI can be same set of attemperating units, also can be attemperating units independently separately.By the temperature (temperature specifically is set can be changed according to the difference of test gas) that these temperature spots rationally are set, absorption and condensation problem in the time of can solving organic gas better and in pipeline, flow.
Multistation communicating valve I attemperating unit, multistation communicating valve II attemperating unit, proportioning device attemperating unit, sample device I attemperating unit, sample device II attemperating unit and each pipeline attemperating unit can adopt multiple principles such as liquid bath, air bath, immerging metal tube heater, insulation material to realize.
Advantage of the present utility model is:
1. realize accurately gathering automatically and sample introduction of sample gas, avoid the manually-operated error.
2. the connecting line between each test critical component is carried out temperature control, can effectively solve because absorption and the condensation that is brought after the uncontrollable generation temperature difference of pipeline temperature.
3. all temp-controlling elements and pipeline are all adopted the mode of independent temperature control, all temperature control parameters can be regulated according to the character of test samples, can satisfy the needs that all kinds of solvents residual quantity detects.
Description of drawings:
Fig. 1 is the utility model structural drawing;
Fig. 2 is the 1# working state structure figure of multistation communicating valve I in the utility model;
Fig. 3 is the 2# working state structure figure of multistation communicating valve I in the utility model;
Fig. 4 is the 1# working state structure figure of multistation communicating valve II in the utility model;
Fig. 5 is the 2# working state structure figure of multistation communicating valve II in the utility model;
Fig. 6-Figure 11 is the structural drawing of pipeline temperature control in the utility model;
Figure 12 is another structural drawing of the present utility model.
Wherein, 1. pipeline I, 2. gaseous tension variable valve, 3. pipeline II, 4. gas gauge, 5. pipeline III, 6. sampling valve, 7. pipeline IV, 8. pipeline V, 9. air extractor, 10. multistation communicating valve I attemperating unit, 11. pipeline VI, 12. sample gas pick-up unit, 13. multistation communicating valve I, 14. pipeline VII, 15. multistation communicating valve II, 16. multistation communicating valve II attemperating unit, 17. pipeline VIII, 18. sample device II, 19. sample device II attemperating units, 20. sample device I attemperating unit, 21. sample device I, 22. pipeline IX, 23. pipeline X, 24. proportioning device attemperating unit, 25. proportioning device, 26. pipeline XI, 27. pipeline XII, 28. pipeline XIII, 29. blow off valve, 30. pipeline XIV, 31. sample valves, 32. pipeline XV, 33. multistation communicating valve I mouth of pipe I, 34. multistation communicating valve I mouth of pipe II, 35. multistation communicating valve I mouth of pipe III, 36. multistation communicating valve I mouth of pipe IV, 37. multistation communicating valve I mouth of pipe V, 38. multistation communicating valve I mouth of pipe VI, 39. multistation communicating valve II mouth of pipe I, 40. multistation communicating valve II mouth of pipe II, 41. multistation communicating valve II mouth of pipe III, 42. pipeline attemperating unit I, 43. pipeline attemperating unit II, 44. pipeline attemperating unit III, 45. pipeline attemperating unit IV, 46. pipeline attemperating unit V, 47. pipeline attemperating unit VI.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Embodiment 1:
Among Fig. 1-Figure 11, solvent residual amount proving installation of the present utility model mainly is made up of several parts such as sample device, sample gas quantitative sampling sampling device, sample gas pick-up unit 12, each connecting pipes.Sample gas quantitative sampling sampling device comprises the connecting line of gaseous tension variable valve 2, gas gauge 4, sampling valve 6, blow off valve 29, sample valve 31, air extractor 9, multistation communicating valve I13, multistation communicating valve II15, proportioning device 25, each several part connecting line and sample gas quantitative sampling sampling device and sample device, sample gas pick-up unit.Wherein the multistation communicating valve all has two kinds of duties at least, can change the internal communication pipeline of multistation communicating valve by the duty of adjusting the multistation communicating valve, realizes the change of gas circuit.Described gaseous tension variable valve 2 is connected with source of the gas by pipeline I1, and is communicated with gas gauge 4 by pipeline II3; Gas gauge 4 is communicated with sampling valve 6 by pipeline III5, and is communicated with blow off valve 29 by pipeline XIII28; Sampling valve 6 is communicated with multistation communicating valve I mouth of pipe III35 by pipeline IV7; Blow off valve 29 is communicated with sample valve 31 by pipeline XIV30, pipeline XV32 successively, and is communicated with multistation communicating valve I mouth of pipe I33 by pipeline XIV30, pipeline XII27 successively; Sample valve 31 is communicated with the back emptying by pipeline V8 with air extractor 9, and is communicated with multistation communicating valve I mouth of pipe I33 by pipeline XV32, pipeline XII27 successively.Multistation communicating valve I mouth of pipe II34 is communicated with proportioning device 25 by pipeline XI26, multistation communicating valve I mouth of pipe V37 is communicated with proportioning device 25 by pipeline VII14, multistation communicating valve I mouth of pipe VI38 is communicated with multistation communicating valve II mouth of pipe II40 by pipeline X23, and is communicated with sample gas pick-up unit 12 by pipeline VI11.Multistation communicating valve II mouth of pipe I39 is communicated with sample device I21 by pipeline IX22, and multistation communicating valve II mouth of pipe III41 is communicated with sample device II18 by pipeline VIII17.The sample device comprises at least one sample device, and at the outside set sample device attemperating unit of each sample device, each sample device should be communicated with multistation communicating valve II15 by pipeline respectively.Described sample gas pick-up unit 12 comprises detector, is communicated with multistation communicating valve I13 by pipeline.Detection comprises that pipeline purge, baseline detection, quantitative sampling, quantitative sample injection, sample gas detect this five steps, and sampling is carried out successively according to sample device numbering, and a sample detects to finish and need to carry out the baseline detection before the back sample of detection.At first carry out the pipeline purge, open blow off valve 29, close sampling valve 6, sample valve 31, air extractor 9, multistation communicating valve I13 and multistation communicating valve II15 are in the 1# duty, by pipeline I1, gaseous tension variable valve 2, pipeline II3, gas gauge 4, pipeline XIII28, blow off valve 29, pipeline XIV30, pipeline XII27, multistation communicating valve I mouth of pipe I33, multistation communicating valve I mouth of pipe II34, pipeline XI26, proportioning device 25, pipeline VII14, multistation communicating valve I mouth of pipe V37, multistation communicating valve I mouth of pipe VI38, pipeline X23, multistation communicating valve II mouth of pipe II40, multistation communicating valve II mouth of pipe I39, pipeline IX22, sample device I21 realizes the blowback of sample device I pipeline is cleaned; Regulate multistation communicating valve II15 to the 2# duty, keep other valves constant, by pipeline I1, gaseous tension variable valve 2, pipeline II3, gas gauge 4, pipeline XIII28, blow off valve 29, pipeline XIV30, pipeline XII27, multistation communicating valve I mouth of pipe I33, multistation communicating valve I mouth of pipe II34, pipeline XI26, proportioning device 25, pipeline VII14, multistation communicating valve I mouth of pipe V37, multistation communicating valve I mouth of pipe VI38, pipeline X23, multistation communicating valve II mouth of pipe II40, multistation communicating valve II mouth of pipe III41, pipeline VIII17, sample device II18 realizes the blowback of sample device II pipeline is cleaned.Carrying out baseline then detects, open sampling valve 6, close blow off valve 29, sample valve 31, air extractor 9, multistation communicating valve I13 carries out baseline by pipeline I1, gaseous tension variable valve 2, pipeline II3, gas gauge 4, pipeline III5, sampling valve 6, pipeline IV7, multistation communicating valve I mouth of pipe III35, multistation communicating valve I mouth of pipe IV36, pipeline VI11, sample gas pick-up unit 12 and detects in the 1# duty.Carry out the quantitative sampling of sample device I21 afterwards, quantitative sample injection and sample gas detect, open sampling valve 6, sample valve 31, air extractor 9, close blow off valve 29, multistation communicating valve I13 and multistation communicating valve II15 are in the 1# duty, by sample device I21, pipeline IX22, multistation communicating valve II mouth of pipe I39, multistation communicating valve II mouth of pipe II40, pipeline X23, multistation communicating valve I mouth of pipe VI38, multistation communicating valve I mouth of pipe V37, pipeline VII14, proportioning device 25, pipeline XI26, multistation communicating valve I mouth of pipe II34, multistation communicating valve I mouth of pipe I33, pipeline XII27, pipeline XV32, sample valve 31, pipeline V8, air extractor 9 is realized the automatic ration sampling to sample gas among the sample device I21; Regulate multistation communicating valve I13 to the 2# duty, carry out the automatic ration sample introduction of sample gas among the sample device I21 by pipeline I1, gaseous tension variable valve 2, pipeline II3, gas gauge 4, pipeline III5, sampling valve 6, pipeline IV7, multistation communicating valve I mouth of pipe III35, multistation communicating valve I mouth of pipe II34, pipeline XI26, proportioning device 25, pipeline VII14, multistation communicating valve I mouth of pipe V37, multistation communicating valve I mouth of pipe IV36, pipeline VI11, sample gas pick-up unit 12, finish sample gas by sample gas pick-up unit 12 and detect.And then carry out baseline and detect, open sampling valve 6, close blow off valve 29, sample valve 31, air extractor 9, multistation communicating valve I13 carries out baseline by pipeline I1, gaseous tension variable valve 2, pipeline II3, gas gauge 4, pipeline III5, sampling valve 6, pipeline IV7, multistation communicating valve I mouth of pipe III35, multistation communicating valve I mouth of pipe IV36, pipeline VI11, sample gas pick-up unit 12 and detects in the 1# duty.Carry out the quantitative sampling of sample device II18 afterwards, quantitative sample injection and sample gas detect, open sampling valve 6, sample valve 31, air extractor 9, close blow off valve 29, multistation communicating valve I13 is in the 1# duty, multistation communicating valve II15 is in the 2# duty, by sample device II18, pipeline VIII17, multistation communicating valve II mouth of pipe III41, multistation communicating valve II mouth of pipe II40, pipeline X23, multistation communicating valve I mouth of pipe VI38, multistation communicating valve I mouth of pipe V37, pipeline VII14, proportioning device 25, pipeline XI26, multistation communicating valve I mouth of pipe II34, multistation communicating valve I mouth of pipe I33, pipeline XII27, pipeline XV32, sample valve 31, pipeline V8, air extractor 9 is realized the automatic ration sampling to sample gas among the sample device II18; Regulate multistation communicating valve I13 to the 2# duty, carry out the automatic ration sample introduction of sample gas among the sample device II18 by pipeline I1, gaseous tension variable valve 2, pipeline II3, gas gauge 4, pipeline III5, sampling valve 6, pipeline IV7, multistation communicating valve I mouth of pipe III35, multistation communicating valve I mouth of pipe II34, pipeline XI26, proportioning device 25, pipeline VII14, multistation communicating valve I mouth of pipe V37, multistation communicating valve I mouth of pipe IV36, pipeline VI11, sample gas pick-up unit 12, finish sample gas by sample gas pick-up unit 12 and detect.
Described multistation communicating valve I13 mouth of pipe quantity is at least six, described multistation communicating valve II18 mouth of pipe quantity many one of the sampling device sum of having a competition at least.
The utility model adopts the mode of multistage temperature control to whole solvent residual amount proving installation, multistation communicating valve I13 carries out temperature control by multistation communicating valve I attemperating unit 10, multistation communicating valve II15 carries out temperature control by multistation communicating valve II attemperating unit 16, proportioning device 25 carries out temperature control by proportioning device attemperating unit 24, sample device I21 carries out temperature control by sample device I attemperating unit 20 to it, and sample device II18 carries out temperature control by sample device II attemperating unit 19 to it.Each pipeline adopts pipeline attemperating unit separately to carry out temperature control respectively, the pipeline VI11 outside that is communicated with sample gas pick-up unit and multistation communicating valve I is provided with pipeline attemperating unit I42, the pipeline VII14 that is communicated with multistation communicating valve I13 and proportioning device 25, pipeline XI26 outside is provided with pipeline attemperating unit II43, pipeline attemperating unit IV45, the pipeline X23 outside that is communicated with multistation communicating valve I13 and multistation communicating valve II15 is provided with pipeline attemperating unit III44, the pipeline VIII17 outside that is communicated with sample device II18 and multistation communicating valve II15 is provided with pipeline attemperating unit V46, and the pipeline IX22 outside that is communicated with sample device I21 and multistation communicating valve II15 is provided with pipeline attemperating unit VI47.Multistation communicating valve I attemperating unit 10, multistation communicating valve II attemperating unit 16, proportioning device attemperating unit 24, pipeline attemperating unit I42, pipeline attemperating unit II43, pipeline attemperating unit III44, pipeline attemperating unit IV45, pipeline attemperating unit V46, pipeline attemperating unit VI47 are same set of attemperating units, can adopt multiple principles such as liquid bath, air bath, immerging metal tube heater, insulation material to realize.
Embodiment 2:
In the present embodiment, multistation communicating valve I attemperating unit 10, multistation communicating valve II attemperating unit 16, proportioning device attemperating unit 24, pipeline attemperating unit I42, pipeline attemperating unit II43, pipeline attemperating unit III44, pipeline attemperating unit IV45, pipeline attemperating unit V46, pipeline attemperating unit VI47 are attemperating units independently separately.All the other are identical with embodiment 1, repeat no more.
Embodiment 3:
Among Fig. 2, Fig. 3, Fig. 6-Figure 12, solvent residual amount proving installation of the present utility model mainly is made up of several parts such as sample device, sample gas quantitative sampling sampling device, sample gas pick-up unit 12, each connecting pipes.Sample gas quantitative sampling sampling device comprises the connecting line of gaseous tension variable valve 2, gas gauge 4, sampling valve 6, blow off valve 29, sample valve 31, air extractor 9, multistation communicating valve I 13, proportioning device 25, each several part connecting line and sample gas quantitative sampling sampling device and sample device, sample gas pick-up unit.Wherein multistation communicating valve I13 has two kinds of duties at least, can change the internal communication pipeline of multistation communicating valve by the duty of adjusting the multistation communicating valve, realizes the change of gas circuit.Described gaseous tension variable valve 2 is connected with source of the gas by pipeline I1, and is communicated with gas gauge 4 by pipeline II3; Gas gauge 4 is communicated with sampling valve 6 by pipeline III5, and is communicated with blow off valve 29 by pipeline XIII28; Sampling valve 6 is communicated with multistation communicating valve I mouth of pipe III35 by pipeline IV7; Blow off valve 29 is communicated with sample valve 31 by pipeline XIV30, pipeline XV32 successively, and is communicated with multistation communicating valve I mouth of pipe I33 by pipeline XIV30, pipeline XII27 successively; Sample valve 31 is communicated with the back emptying by pipeline V8 with air extractor 9, and is communicated with multistation communicating valve I mouth of pipe I33 by pipeline XV32, pipeline XII27 successively.Multistation communicating valve I mouth of pipe II34 is communicated with proportioning device 25 by pipeline XI26, and multistation communicating valve I mouth of pipe V37 is communicated with proportioning device 25 by pipeline VII14, and is communicated with sample gas pick-up unit 12 by pipeline VI11.The sample device comprises sample device I21, and at its outside set sample device I attemperating unit 20, is communicated with multistation communicating valve I13 by pipeline X23.Described sample gas pick-up unit 12 comprises detector, is communicated with multistation communicating valve I13 by pipeline.Detection comprises that pipeline purge, baseline detection, quantitative sampling, quantitative sample injection, sample gas detect this five steps, and sampling is carried out successively according to sample device numbering, and a sample detects to finish and need to carry out the baseline detection before the back sample of detection.At first carry out the pipeline purge, open blow off valve 29, close sampling valve 6, sample valve 31, air extractor 9, multistation communicating valve I13 is in the 1# duty, by pipeline I1, gaseous tension variable valve 2, pipeline II3, gas gauge 4, pipeline XIII28, blow off valve 29, pipeline XIV30, pipeline XII27, multistation communicating valve I mouth of pipe I33, multistation communicating valve I mouth of pipe II34, pipeline XI26, proportioning device 25, pipeline VII14, multistation communicating valve I mouth of pipe V37, multistation communicating valve I mouth of pipe VI38, pipeline X23, sample device I21 realizes the blowback of sample device I pipeline is cleaned.Carrying out baseline then detects, open sampling valve 6, close blow off valve 29, sample valve 31, air extractor 9, multistation communicating valve I13 carries out baseline by pipeline I1, gaseous tension variable valve 2, pipeline II3, gas gauge 4, pipeline III5, sampling valve 6, pipeline IV7, multistation communicating valve I mouth of pipe III35, multistation communicating valve I mouth of pipe IV36, pipeline VI11, sample gas pick-up unit 12 and detects in the 1# duty.Carry out the quantitative sampling of sample device I21 afterwards, quantitative sample injection and sample gas detect, open sampling valve 6, sample valve 31, air extractor 9, close blow off valve 29, multistation communicating valve I13 is in the 1# duty, by sample device I21, pipeline X23, multistation communicating valve I mouth of pipe VI38, multistation communicating valve I mouth of pipe V37, pipeline VII14, proportioning device 25, pipeline XI26, multistation communicating valve I mouth of pipe II34, multistation communicating valve I mouth of pipe I33, pipeline XII27, pipeline XV32, sample valve 31, pipeline V8, air extractor 9 is realized the automatic ration sampling to sample gas among the sample device I21; Regulate multistation communicating valve I13 to the 2# duty, carry out the automatic ration sample introduction of sample gas among the sample device I21 by pipeline I1, gaseous tension variable valve 2, pipeline II3, gas gauge 4, pipeline III5, sampling valve 6, pipeline IV7, multistation communicating valve I mouth of pipe III35, multistation communicating valve I mouth of pipe II34, pipeline XI26, proportioning device 25, pipeline VII14, multistation communicating valve I mouth of pipe V37, multistation communicating valve I mouth of pipe IV36, pipeline VI11, sample gas pick-up unit 12, finish sample gas by sample gas pick-up unit 12 and detect.
Described multistation communicating valve I13 mouth of pipe quantity is at least six.
The utility model adopts the mode of multistage temperature control to whole solvent residual amount proving installation, multistation communicating valve I13 carries out temperature control by multistation communicating valve I attemperating unit 10, proportioning device 25 carries out temperature control by proportioning device attemperating unit 24, and sample device I21 carries out temperature control by sample device I attemperating unit 20 to it.Each pipeline adopts pipeline attemperating unit separately to carry out temperature control respectively, the pipeline VI11 outside that is communicated with sample gas pick-up unit and multistation communicating valve I is provided with pipeline attemperating unit I42, the pipeline VII14, the pipeline XI26 outside that are communicated with multistation communicating valve I13 and proportioning device 25 are provided with pipeline attemperating unit II43, pipeline attemperating unit IV45, and the pipeline X23 outside that is communicated with sample device I21 and multistation communicating valve I13 is provided with pipeline attemperating unit III44.Multistation communicating valve I attemperating unit 10, proportioning device attemperating unit 24, pipeline attemperating unit I42, pipeline attemperating unit II43, pipeline attemperating unit III44, pipeline attemperating unit IV45 are same set of attemperating units, can adopt multiple principles such as liquid bath, air bath, immerging metal tube heater, insulation material to realize.
Embodiment 4:
In the present embodiment, multistation communicating valve I attemperating unit 10, proportioning device attemperating unit 24, pipeline attemperating unit I42, pipeline attemperating unit II43, pipeline attemperating unit III44, pipeline attemperating unit IV45 are attemperating units independently separately.All the other are identical with embodiment 1, repeat no more.
Claims (8)
1. a solvent residual amount proving installation is characterized in that, it comprises at least one sample device, at least one sample gas pick-up unit and at least one sample gas quantitative sampling sampling device; Wherein, sample gas quantitative sampling sampling device comprises multistation communicating valve I, and multistation communicating valve I is communicated with the proportioning device two ends by pipeline; Sampling valve one end is communicated with source of the gas after being connected in series gas gauge and gas pressure-regulating valve by pipeline, and the other end is communicated with multistation communicating valve I; Air extractor is connected in series the back successively by pipeline and sample valve, blow off valve and is communicated with gas gauge; Pipeline between sample valve, blow off valve also is communicated with multistation communicating valve I simultaneously; The pipeline that described sample device and described sample gas pick-up unit pass through separately respectively is communicated with multistation communicating valve I.
2. solvent residual amount proving installation as claimed in claim 1 is characterized in that, described sample device directly is communicated with multistation communicating valve I by pipeline.
3. solvent residual amount proving installation as claimed in claim 1 is characterized in that, described sample device is communicated with multistation communicating valve II by pipeline earlier, and multistation communicating valve II is communicated with multistation communicating valve I by pipeline again.
4. solvent residual amount proving installation as claimed in claim 3, it is characterized in that, have at least one to have separate attemperating unit in described multistation communicating valve I, multistation communicating valve II, proportioning device, each sample device, attemperating unit is liquid bath attemperating unit or air bath attemperating unit or immerging metal tube heater or attemperator.
5. as claim or 3 described solvent residual amount proving installations, it is characterized in that, connecting line between described multistation communicating valve I and the multistation communicating valve II, connecting line between multistation communicating valve I and the proportioning device, connecting line between multistation communicating valve I and the sample device, connecting line between multistation communicating valve II and each the sample device, at least one place is provided with the pipeline attemperating unit in the connecting line between multistation communicating valve I and the sample gas pick-up unit, and the pipeline attemperating unit is liquid bath attemperating unit or air bath attemperating unit or immerging metal tube heater or attemperator.
6. solvent residual amount proving installation as claimed in claim 3 is characterized in that, described multistation communicating valve I mouth of pipe quantity is at least six; Described multistation communicating valve II mouth of pipe quantity many one of the sampling device sum of having a competition at least.
7. as claim 1 or 2 or 3 described solvent residual amount proving installations, it is characterized in that described each sample device outside is provided with sample device attemperating unit.
8. solvent residual amount proving installation as claimed in claim 1 is characterized in that, described sample gas pick-up unit comprises detector.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200205307U CN201421457Y (en) | 2009-04-13 | 2009-04-13 | Residual solvent quantity tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200205307U CN201421457Y (en) | 2009-04-13 | 2009-04-13 | Residual solvent quantity tester |
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| CN201421457Y true CN201421457Y (en) | 2010-03-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393471A (en) * | 2011-08-16 | 2012-03-28 | 内蒙古科慧生物科技有限责任公司 | Sample loading and sucking head of liquid transferring device, liquid surface contact and sample sucking detection system and method for detecting by using liquid surface contact and sample sucking detection system |
| CN102541105A (en) * | 2010-10-29 | 2012-07-04 | 安捷伦科技有限公司 | Methods, devices, and systems for controlling the rate of gas depressurization within a vial containing a gas sample |
| CN102621033A (en) * | 2012-03-27 | 2012-08-01 | 济南兰光机电技术有限公司 | Device for testing organic gas transmissivity |
| CN111610547A (en) * | 2020-05-23 | 2020-09-01 | 陕西卫峰核电子有限公司 | I-129 sampling device and sampling method |
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2009
- 2009-04-13 CN CN2009200205307U patent/CN201421457Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102541105A (en) * | 2010-10-29 | 2012-07-04 | 安捷伦科技有限公司 | Methods, devices, and systems for controlling the rate of gas depressurization within a vial containing a gas sample |
| CN102541105B (en) * | 2010-10-29 | 2018-02-02 | 安捷伦科技有限公司 | For to gas decompression speed is controlled in bottle methods, devices and systems |
| CN102393471A (en) * | 2011-08-16 | 2012-03-28 | 内蒙古科慧生物科技有限责任公司 | Sample loading and sucking head of liquid transferring device, liquid surface contact and sample sucking detection system and method for detecting by using liquid surface contact and sample sucking detection system |
| CN102393471B (en) * | 2011-08-16 | 2013-04-17 | 杨晓勇 | Sample loading and sucking head of liquid transferring device, liquid surface contact and sample sucking detection system and method for detecting by using liquid surface contact and sample sucking detection system |
| CN102621033A (en) * | 2012-03-27 | 2012-08-01 | 济南兰光机电技术有限公司 | Device for testing organic gas transmissivity |
| CN111610547A (en) * | 2020-05-23 | 2020-09-01 | 陕西卫峰核电子有限公司 | I-129 sampling device and sampling method |
| CN111610547B (en) * | 2020-05-23 | 2021-12-24 | 陕西卫峰核电子有限公司 | I-129 sampling device and sampling method |
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