CN201397320Y - Desorbing H in alcohol amine solution2S and CO2Experimental device of (2) - Google Patents
Desorbing H in alcohol amine solution2S and CO2Experimental device of (2) Download PDFInfo
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- CN201397320Y CN201397320Y CN2009201060381U CN200920106038U CN201397320Y CN 201397320 Y CN201397320 Y CN 201397320Y CN 2009201060381 U CN2009201060381 U CN 2009201060381U CN 200920106038 U CN200920106038 U CN 200920106038U CN 201397320 Y CN201397320 Y CN 201397320Y
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- -1 alcohol amine Chemical class 0.000 title abstract description 3
- 239000002253 acid Substances 0.000 claims abstract description 81
- 238000003795 desorption Methods 0.000 claims abstract description 53
- 239000011521 glass Substances 0.000 claims abstract description 52
- 238000001035 drying Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000000243 solution Substances 0.000 claims description 71
- 238000005245 sintering Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 239000003595 mist Substances 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004817 gas chromatography Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 53
- 239000000523 sample Substances 0.000 description 34
- 238000006477 desulfuration reaction Methods 0.000 description 13
- 239000012159 carrier gas Substances 0.000 description 10
- 230000023556 desulfurization Effects 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- PCHPORCSPXIHLZ-UHFFFAOYSA-N diphenhydramine hydrochloride Chemical compound [Cl-].C=1C=CC=CC=1C(OCC[NH+](C)C)C1=CC=CC=C1 PCHPORCSPXIHLZ-UHFFFAOYSA-N 0.000 description 8
- 238000005261 decarburization Methods 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 5
- 238000004587 chromatography analysis Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000003822 preparative gas chromatography Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
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Abstract
Desorbing H in alcohol amine solution2S and CO2The experimental set-up of is,the method is applied to treatment before gas chromatography analysis sampling. Comprises a collecting pipe, a drying pipe, an acid gas desorption pipe, a sintered glass plate, a solution control switch, a capillary and a reaction pipe. The acid gas desorption tube is an upright glass tube, and strong acid solution is filled in the acid gas desorption tube. The inner end of the vent glass tube is in the acid gas desorption tube and is bent vertically upwards. The top end of the acid gas desorption tube is fixed with a glass tube connected with the reaction tube. And a glass tube is fixed on the side wall of the top of the acid gas desorption tube, and is respectively communicated with the top of the communicating cup and the drying tube. The lower part of the drying tube is connected with a collecting tube. The effect is as follows: the acid liquid in the acid gas desorption pipe can circulate in the device at a constant speed. The collection and drying tubes connected after the acid gas desorption tubes can remove water mist and acid mist from the gas, thereby ensuring that the chromatographic columns and the detectors are not polluted.
Description
Technical field
The utility model relates to a kind of chemical analysis experimental provision, and the experimental provision that particularly a kind of gas chromatographic analysis sample introduction is used is used for the H of desorb hydramine desulfurization and decarburization solution
2S and CO
2, utilize its content of gas Chromatographic Determination.This device can cooperate gas chromatograph to be used for analyzing H dissimilar, the variable concentrations alkanolamine solution
2S and CO
2
Background technology
Alkanolamine solution is widely used in the H in the industrial gasses such as removing rock gas, refinery gas
2S and CO
2In the gas purification production run, device operator extremely is concerned about the CO in the amine liquid
2And H
2S content is because this is one of important monitoring parameter that guarantees product makings amount and device even running.Design one cover amine method desulfurization and decarburization device, for certain makings condition and treatment capacity, needing one of definite main technologic parameters is exactly the solution internal circulating load, and reasonably the solution internal circulating load just need be with H under the working condition
2S and CO
2Content in amine liquid is according to determining.In service at device as if makings condition generation marked change, also must be according to H under the New Terms
2S and CO
2Content in amine liquid redefines the solution internal circulating load.So,, measure H in the alkanolamine solution no matter be gas purification production or the design of amine method desulfurization and decarburization device
2S and CO
2Content all be crucial work.
At present, the sampling device of most of gas chromatographs all is by the mode that heats fluid sample to be gasified, and then brings the sample of gasification into chromatogram column analysis with carrier gas.The hydramine desulfurization and decarburization solution example because the mode of employing heating gasifies is not only with H
2S and CO
2Changed into gas, also the hydramine in the solution has been changed into gas, the boiling point of hydramine is all than higher (>200 ℃), at H
2S and CO
2Analysis condition down can condensation and then pollute chromatographic column and chromatographic detector.If the temperature of chromatographic column and chromatographic detector is brought up to more than 200 ℃ H
2S and CO
2Detection sensitivity then can reduce greatly, can't detect the H of low content
2S and CO
2In view of red, orange, green, blue, yellow (ROGBY) has such limitation, oil and gas industry standard SY/T 6537 " Gas Purification Factory gas and liquor analysis method ", employing be that two kinds of chemical analysis methods are measured the H in the hydramine desulfurization and decarburization solution respectively
2S and CO
2Content, the accuracy of these two kinds of methods and precision all can satisfy the requirement of production and scientific research, but complicated operation, very time-consuming, and analyzing a sample approximately needs 1 hour, and some reducing substanceses can disturb H
2S and CO
2Determination on content causes measurement result inaccurate.
The utility model content
The purpose of this utility model is: H in a kind of desorb alkanolamine solution is provided
2S and CO
2Experimental provision, be implemented in the H that detects quickly and accurately on the chromatograph in the hydramine desulfurization and decarburization solution
2S and CO
2Content.Overcoming existing gas chromatographic sampling device all is by the mode that heats fluid sample to be gasified, and is not suitable for the H that analyzes in the alkanolamine solution
2S and CO
2SY/T 6537.13 " mensuration of hydrogen sulfide content in the desulfuration solution " and SY/T 6537.14 " mensuration of carbon dioxide content in the desulfuration solution ", and overcome reducing substances interference H
2S and CO
2Determination on content causes the inaccurate deficiency of measurement result.
The technical solution adopted in the utility model is: H in the desorb alkanolamine solution
2S and CO
2Experimental provision, comprise trap tube, drying tube, inlet, blow vent, tap hole, acid gas desorption pipe, sintering glass plate, solution gauge tap, kapillary, sample feeding mouth pipe and reaction tube.Sample feeding mouth pipe is the glass three-way pipe, and sample feeding mouth Guan Yiduan is an air intake opening, and carrier gas can enter by sample inlet tube.Sample feeding mouth Guan Yiduan is connected with kapillary by the rubber connecting pipe.The other end capillaceous is in series with second kapillary by rubber connecting pipe, glass tube, solution gauge tap.Second other end capillaceous is connected with the cloche that has sintering glass plate in the acid gas desorption pipe by glass tube.The acid gas desorption pipe is upright glass tube, in the acid gas desorption pipe strong acid solution is housed.Tap hole is arranged at the bottom at the acid gas desorption pipe, and the rubber connecting pipe is arranged on the tap hole, and the rubber connecting pipe can be pricked and be bolted.A glass tube and cup UNICOM of UNICOM are arranged at the top of acid gas desorption pipe.Be fixed with a blow vent glass tube on acid gas desorption pipe top, there is the rubber connecting pipe outer end of blow vent glass tube, and the rubber connecting pipe can be pricked and be bolted.Bend in the acid gas desorption pipe and vertically upward the inner of blow vent glass tube.Be fixed with glass tube on the top of acid gas desorption pipe and be connected with reaction tube, the other end of reaction tube is connected with the glass three-way pipe of injection port pipe.On the sidewall at acid gas desorption pipe top, be fixed with glass tube, glass tube by the rubber connecting pipe respectively with the top UNICOM of UNICOM's cup, with drying tube UNICOM.The bottom of drying tube is connected with trap tube.Carrier gas is carried sample by trap tube, can enter chromatograph.Be fixed with an inlet at the top of UNICOM's cup, can be UNICOM's cup and acid gas desorption pipe liquid make-up.
Desiccant-filled in the drying tube, as phosphorus pentoxide, lime chloride, silica gel, scribble the Chromosorb G/AW (ChromosorbG/AW) of phosphoric acid.
Fill the chemical powder that captures acid mist in the trap tube, chemical powder comprises sodium bicarbonate, sodium tetraborate.
In the acid gas desorption pipe strong acid solution is housed, strong acid solution comprises that massfraction is 10%~50% phosphoric acid solution, sulfuric acid solution or hydrochloric acid solution.
The acid gas desorption pipe is provided with inlet, tap hole and blow vent; In the acid gas desorption pipe strong acid solution is housed.When in the acid gas desorption pipe, adorning acid solution, earlier tap hole is clamped with the stainless steel folder, open inlet and blow vent, with glass syringe acid solution is slowly injected in the desorption pipe then and (should be put on the protective gloves of acid corrosion-resistant when injecting acid solution), the loading height of acid solution as shown in Figure 1.Change once the acid solution half a year in the desorption pipe, opens inlet and blow vent during replacing and earlier old solution is emitted, again by the above-mentioned steps new soln of packing into.When not changing solution, inlet, blow vent and tap hole are all used the stainless steel folder and are clamped.
Before the sample analysis, should check inlet, blow vent, tap hole, sample feeding mouth pipe (11), and whether each junction leak gas, and get rid of the gas leakage situation.
During analytic sample, the solution gauge tap should be in open mode; If analytic sample not clamps the solution gauge tap with the stainless steel folder for a long time.
The utlity model has following function:
That this experimental provision and chromatograph coupling can be measured is dissimilar, the H in the variable concentrations alkanolamine solution
2S content and CO
2Content.
The beneficial effects of the utility model: H in the utility model desorb alkanolamine solution
2S and CO
2Experimental provision with after chromatographic carrier gas is connected, the acid solution in the acid gas desorption pipe can circulate in device evenly.The trap tube and the drying tube that are connected behind the acid gas desorption pipe can be removed water smoke in the gas and acid mist, guarantee that thus chromatographic column and detecting device are not contaminated.
The chromatogram analysis method that adopts this experimental provision and chromatograph coupling to set up, simple to operate; Measurement range is wide, can measure the CO of mass ratio greater than 1ppm
2And H
2S; Analysis time is short, can finish sample analysis in five minutes one time; Disturb for a short time, can not be subjected to the interference of other component in the sample solution.
H in the desorb alkanolamine solution
2S and CO
2Experimental provision, can satisfy and produce and the needs of scientific research, detect the H in the alkanolamine solution quickly and accurately
2S and CO
2Content.The sampling device of this device as chromatogram is connected with chromatograph.The acid gas desorption pipe in strong acid solution is housed, behind the sample access to plant, the hydramine in the sample and acid reaction generate salt, dissolve and are strapped in H in the alkanolamine solution
2S and CO
2Under this strong acidic condition, desorbed.The H that desorbs
2S and CO
2, the reaction salt and the acid solution that generate, these gas-liquid mixtures in device can because of action of gravity through twice gas-liquid separation, liquid (comprising salt that acid solution, reaction generate and the water in the sample) turns back in the acid solution in the device, and gas (comprises H
2S, CO
2And carrier gas) enters chromatographic column analysis.The chromatogram analysis method that adopts this device and chromatograph coupling to set up, simple to operate, can in five minutes, finish one time sample analysis, shortened sample analysis time greatly, and H
2S and CO
2Mensuration can not be subjected to the interference of other component in the sample.
Description of drawings
Fig. 1 is H in the desorb alkanolamine solution
2S and CO
2The structural representation of experimental provision.
Among the figure, 1. trap tube, 2. drying tube, 3. connecting pipe, 4. inlet, 5. blow vent, 6. tap hole, 7. acid gas desorption pipe, 8. sintering glass plate, 9. solution gauge tap, 10. kapillary, 11. sample feeding mouth pipes, 12. reaction tubes.
Embodiment
Embodiment 1: with H in the desorb alkanolamine solution
2S and CO
2Experimental provision be example, the utility model is described in further detail.
Consult Fig. 1.H in the desorb alkanolamine solution
2S and CO
2Experimental provision, be a kind of glass apparatus, comprise trap tube 1, drying tube 2, inlet 4, blow vent 5, tap hole 6, acid gas desorption pipe 7, sintering glass plate 8, solution gauge tap 9, kapillary 10, sample feeding mouth pipe 11 and reaction tube 12.Sample feeding mouth pipe 11 is that internal diameter is 5 millimeters a glass three-way pipe, and it is air intake opening that the sample feeding mouth is managed 11 1 ends, and carrier gas can enter by sample inlet tube 11.The sample feeding mouth is managed 11 1 ends and is connected with kapillary 10 by rubber connecting pipe 3.The other end of kapillary 10 is in series with second kapillary 10 by rubber connecting pipe 3, glass tube, solution gauge tap 9.The other end of second kapillary 10 is connected by the cloche that has sintering glass plate 8 in glass tube and the acid gas desorption pipe 7.Acid gas desorption pipe 7 is upright glass tube, and the diameter of acid gas desorption pipe 7 is 25 millimeters, height 270 millimeter.In the acid gas desorption pipe 7 strong acid solution is housed.In the bottom of acid gas desorption pipe 7 tap hole 6 is arranged, rubber connecting pipe 3 is arranged on the tap hole 6, rubber connecting pipe 3 can be pricked and be bolted.A glass tube and cup UNICOM of UNICOM are arranged at the top of acid gas desorption pipe 7.30 millimeters of the diameters of glass UNICOM cup, 80 millimeters of height.Be fixed with blow vent 5 glass tubes on acid gas desorption pipe 7 tops, there is rubber connecting pipe 3 outer end of blow vent 5 glass tubes, and rubber connecting pipe 3 can be pricked and be bolted.Bend in acid gas desorption pipe 7 and vertically upward the inner of blow vent 5 glass tubes.Be fixed with glass tube on the top of acid gas desorption pipe 7 and be connected with reaction tube 12, the other end of reaction tube 12 is connected with the glass three-way pipe of injection port pipe 11.On the sidewall at acid gas desorption pipe 7 tops, be fixed with glass tube, glass tube by rubber connecting pipe 3 respectively with the top UNICOM of UNICOM's cup, with drying tube 2 UNICOMs.The bottom of drying tube 2 is connected with trap tube 1.Be fixed with an inlet 4 at the top of UNICOM's cup.
The drying agent of 2 li fillings of drying tube is phosphorus pentoxides.
Filling the chemical powder that captures acid mist in the trap tube 1 is sodium bicarbonate.
In the acid gas desorption pipe 7 strong acid solution is housed, strong acid solution is that massfraction is 10%~50% sulfuric acid solution.
By shown in Figure 1 connect experimental provision after, press SY/T 6537.8 " H in the gas purifying technique process gas
2S and CO
2Determination on content (vapor-phase chromatography) " the setting chromatographiccondition.After opening solution gauge tap 9, the acid solution in the acid gas desorption pipe 7 can flow to the carrier gas inlet place by sintering glass plate 8, kapillary 10 successively, and upwards arrives reaction tube 12 through sample inlet tube 11 with carrier gas.Inject sample 10 microlitres with syringe at sample inlet tube 11, sample enters reaction tube 12 and fully reacts the H in the sample at this and acid solution with carrier gas
2S and CO
2From solution, desorb, and, enter chromatographic column analysis at last along with carrier gas enters trap tube 1, drying tube 2 successively; Hydramine, water and acid solution then flow back in the acid solution in the acid gas desorption pipe 7 in the sample.
Under assigned temperature, investigate H
2S, CO
2Dividing potential drop and H
2S, CO
2The relation of solubleness in alkanolamine solution.H
2S, CO
2Solubleness in alkanolamine solution adopts chromatography and chemical determination simultaneously.The measurement result of chromatography and chemical method is consistent as can be seen from table 1 and table 2.H according to these experimental datas works
2S dividing potential drop and H
2Graph of a relation, the CO of S solubleness in alkanolamine solution
2Dividing potential drop and CO
2The graph of a relation of solubleness in alkanolamine solution, all with data on curve map coincide.
The equilibrium solubility experimental data of table 1 carbon dioxide in the sulfone amine aqueous solution
CO 2Dividing potential drop (kPa) | CO in the desulfurization of chromatography determination 2Content (mol/mol) | CO in the desulfurization of chemical determination 2Content (mol/mol) |
3.212 | 0.02376 | 0.02377 |
8.444 | 0.05416 | 0.05413 |
18.076 | 0.0836 | 0.0830 |
39.275 | 0.1432 | 0.1439 |
57.011 | 0.2205 | 0.2210 |
132.262 | 0.3096 | 0.3095 |
161.017 | 0.4015 | 0.4017 |
235.88 | 0.4998 | 0.4990 |
323.593 | 0.5503 | 0.5507 |
409.384 | 0.6062 | 0.6070 |
537.007 | 0.6646 | 0.6648 |
Table 2 H
2The equilibrium solubility experimental data of S in certain desulfuration solution
Hydrogen sulfide sectional pressure (kPa) | H in the desulfurization of chromatography determination 2S content (mol/mol) | H in the desulfurization of chemical determination 2S content (mol/mol) |
2.138 | 0.0317 | 0.0314 |
1.749 | 0.0325 | 0.0323 |
14.674 | 0.1365 | 0.1371 |
39.035 | 0.3297 | 0.3289 |
84.341 | 0.5079 | 0.5076 |
215.346 | 0.8121 | 0.8125 |
320.198 | 0.9291 | 0.9288 |
463.121 | 1.0831 | 1.0830 |
537.804 | 1.1404 | 1.1400 |
577.995 | 1.2328 | 1.2322 |
589.784 | 1.2323 | 1.2327 |
Claims (1)
1, H in a kind of desorb alkanolamine solution
2S and CO
2Experimental provision, comprise trap tube (1), drying tube (2), inlet (4), blow vent (5), tap hole (6), acid gas desorption pipe (7), sintering glass plate (8), solution gauge tap (9), kapillary (10), sample feeding mouth pipe (11) and reaction tube (12), sample feeding mouth pipe (11) is the glass three-way pipe, sample feeding mouth pipe (11) one ends are air intake opening, it is characterized in that: sample feeding mouth pipe (11) one ends are connected with kapillary (10) by rubber connecting pipe (3), the other end of kapillary (10) is by rubber connecting pipe (3), glass tube, solution gauge tap (9) is in series with second kapillary (10), the other end of second kapillary (10) is connected by the interior cloche that has sintering glass plate (8) of glass tube and acid gas desorption pipe (7), acid gas desorption pipe (7) is upright glass tube, the acid gas desorption pipe is equipped with strong acid solution in (7), in the bottom of acid gas desorption pipe (7) tap hole (6) is arranged, rubber connecting pipe (3) is arranged on the tap hole (6), rubber connecting pipe (3) can be pricked and be bolted, a glass tube and cup UNICOM of UNICOM are arranged at the top of acid gas desorption pipe (7), be fixed with a blow vent (5) glass tube on acid gas desorption pipe (7) top, there is rubber connecting pipe (3) outer end of blow vent (5) glass tube, bend in acid gas desorption pipe (7) and vertically upward the inner of blow vent (5) glass tube, be fixed with glass tube is connected with reaction tube (12) on the top of acid gas desorption pipe (7), the other end of reaction tube (12) is connected with the glass three-way pipe of injection port pipe (11), on the sidewall at acid gas desorption pipe (7) top, be fixed with glass tube, glass tube by rubber connecting pipe (3) respectively with the top UNICOM of UNICOM's cup, with drying tube (2) UNICOM, the bottom of drying tube (2) is connected with trap tube (1), is fixed with an inlet (4) at the top of UNICOM's cup.
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2009
- 2009-03-04 CN CN2009201060381U patent/CN201397320Y/en not_active Expired - Lifetime
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CN103185755B (en) * | 2011-12-28 | 2014-06-04 | 中国石油天然气股份有限公司 | Sample pretreatment device for analyzing anions in alcohol amine solution |
CN107621449A (en) * | 2017-02-13 | 2018-01-23 | 中国石油天然气股份有限公司 | CO in gas purification amine liquid2Continuous flow analysis method of content |
CN107621449B (en) * | 2017-02-13 | 2020-12-01 | 中国石油天然气股份有限公司 | CO in gas purification amine liquid2Continuous flow analysis method of content |
CN113049332A (en) * | 2021-03-19 | 2021-06-29 | 中海石油化学股份有限公司 | Analytical determination method for chromium ions in pre-decarbonization liquid |
CN113049332B (en) * | 2021-03-19 | 2022-09-27 | 中海石油化学股份有限公司 | Analytical determination method for chromium ions in pre-decarbonization liquid |
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