CN102809623A - Fluid analyzing method - Google Patents
Fluid analyzing method Download PDFInfo
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- CN102809623A CN102809623A CN2011101448878A CN201110144887A CN102809623A CN 102809623 A CN102809623 A CN 102809623A CN 2011101448878 A CN2011101448878 A CN 2011101448878A CN 201110144887 A CN201110144887 A CN 201110144887A CN 102809623 A CN102809623 A CN 102809623A
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Abstract
The invention discloses a fluid analyzing method comprising the step of conveying a fluid sample to a fluid pressure-reducing device (2) and a fluid analyzing device (3) in sequence by a fluid pipeline (1), wherein the fluid pressure-reducing device (2) is designed to comprise a hollow pipe (2) and a solid pillar (22), in addition, the hollow pipe (21) is sleeved on the solid pillar (22) in a way of keeping a gap, and therefore, the pressure of the fluid sample is reduced when the fluid sample flows through the gap between the hollow pipe (2) and the solid pillar (22); and the fluid sample subjected to the pressure reducing treatment is conveyed to the fluid analyzing device (3) by the fluid pipeline (1). Thus, the fluid analyzing method provided by the invention is good in fluid pressure reducing effect and is simple and practicable.
Description
Technical field
The present invention relates to a kind of convection cell and sample, handle and the method for analysis etc., particularly, relate to a kind of fluid analysis method.
Background technology
Usually; Petroleum refining is carried out under high pressure and/or hot conditions; Fluid all can change through the boiling range after these processes, density, impurity content, compound composition etc., and some are the enforceable indexs of dispatching from the factory for these physico-chemical properties, and some are of great importance to instructing commercial production.In addition,, can use device such as little anti-, small-sized, pilot scale to carry out correlative study usually, adopt high-temperature and high-pressure conditions to simulate or quicken chemical reaction at the laboratory stage of catalyzer and technical study.In this process, also need carry out product analysis.Above-mentioned fluid exists with gas, liquid or gas-liquid mixture form usually, for example hydro carbons, the WS or organic compound and potpourri.For these raw materials, middle article, product analysis are carried out fast, be employed in provision of on-line analysis methodology usually, promptly need not cut off processing procedure, take out a small amount of analytic sample, the method that gets into analytical equipment immediately continuously through side line.
Wherein, CN101275932A provides a kind of pulse micro-inverse product yield on-line simulation distil analysis method, and the packed column injection port that is included in gas chromatograph injects reactant with pulse mode; Reactant gets into the reaction tube of micro-reactor through the material transfer line; The micro-inverse product that flows out from reaction tube gets into the split sampling mouth of gas chromatograph again through another root material transfer line, after shunting, a part is from shunting outlet discharge; Another part gets into nonpolar capillary chromatographic column; Under the linear temperature program condition, micro-inverse product is separated by the boiling point order, get into detecting device again and detect; Obtain distillating the quality percentage composition of component and the temperature of corresponding retention time correspondence by stratographic analysis, obtain the simulation distil boiling range of micro-inverse product.This method can be used for the preliminary assessment of catalyzer initial activity and activity stability.
But during on-line analysis, the product fluid that flows out reaction tube is analyzed through getting into analytical instrument behind the hollow transfer line of reducing usually.Yet,, cause adopting the fluid behind the hollow transfer line of reducing directly to analyze because the fluid transport pipeline of analysiss instruments such as conventional chromatogram, mass spectrum, infrared, nuclear-magnetism is perhaps analyzed the high pressure that cavity can't fluid-resistant.
Therefore, the key of accomplishing on-line analysis is, high-pressure fluid can carry out the step-down operation before getting into analysis module, and conventional method is to adopt reduction valve to carry out step-down.Assembling parts is generally more in the present relief valve body, causes volume bigger, the portability of impact analysis module.In addition,, adopt the common volume of metallic seal parts bigger, also influence its portability if employing plastic seal parts usually can't be high temperature resistant in the reduction valve.
Therefore, need a kind of fluid antihypertensive effect good, and simple fluid analysis method.
Summary of the invention
The purpose of this invention is to provide a kind of fluid analysis system method, the fluid antihypertensive effect of this fluid analysis method is good, and simple.
To achieve these goals; The present invention provides a kind of fluid analysis method; This fluid analysis method comprises fluid sample is transported to fluid dropping equipment and fluid analyzer unit wherein successively through fluid line; Said fluid dropping equipment is designed to comprise hollow tubular and solid post; And said hollow tubular is sleeved on the said solid post with a gap, and step-down is carried out in the gap that said fluid sample is flowed through between said hollow tubular and the said solid post, and the said fluid sample that will pass through step-down is transported to said fluid analyzer unit through fluid line.
Preferably, said solid post and said hollow tubular are designed to be able to mutual slip.
Preferably, the ratio of the internal diameter of the external diameter of said solid post and said hollow tubular is 0.9～0.999.
Preferably, the ratio of the internal diameter of the external diameter of said solid post and said hollow tubular is 0.95～0.99.
Preferably, the Design of length of said solid post becomes the length greater than said hollow tubular.
Preferably, at least one end of said solid post reaches the outside of said hollow tubular.
Preferably, the length-diameter ratio of said solid post is 50～5000.
Preferably, the length-diameter ratio of said solid post is 100～800.
Preferably, at least one end of said hollow tubular is provided with dismountable second web member, and said second web member and/or said hollow tubular removably are connected to fluid line by the cutting ferrule joint.
Preferably, said fluid analyzer unit is gas chromatographicanalyzer and/or mass spectrometer and/or infrared spectrometric analyzer.
Preferably, the fluid sample fluid regulating device of also flowing through, said fluid regulating device is designed to comprise filtrator and flow control valve, fluid sample flows through said filtrator and flow control valve successively, flow into said fluid dropping equipment through fluid line then.
Preferably; Between said fluid dropping equipment and said fluid analyzer unit, fluid sampling apparatus is set; Be transported to through the fluid sample after the said fluid dropping equipment step-down and take a sample in the said fluid sampling apparatus and temporary, then fluid sample temporary in the said fluid sampling apparatus is transported to said fluid analyzer unit.
Preferably, said fluid sampling apparatus is designed to comprise six-way valve and sampling quantity tube, and said six-way valve and said sampling quantity tube are linked together.
Preferably; Said six-way valve is designed to comprise fluid inlet, air intake opening, evacuation port, outlet, first connector, second connector and the spool that is provided with at interval, and wherein, said fluid inlet connects said fluid dropping equipment through fluid line; Said air intake opening connects the analytical equipment carrier gas; Said evacuation port is used for the emptying fluid, and said outlet connects said fluid analyzer unit, and said first connector and said second connector are connected the two ends of said sampling quantity tube respectively;
In the fluid sampling stage; Through moving said spool the said fluid inlet and first connector are communicated with; Said second connector and evacuation port are communicated with, said air intake opening and said outlet are communicated with, to realize the fluid sample collection and to be temporarily stored in the said sampling quantity tube;
In the fluid analysis stage; Through moving said spool once more said fluid inlet and said evacuation port are communicated with; Said air intake opening and said first connector are communicated with; Said second connector and said outlet are communicated with, to realize that fluid sample gets in the said fluid analyzer unit through said outlet.
Preferably, the diameter of the particle that said filtrator permission is passed through is 1/200～1/50 of a said six-way valve channel diameter, and the flow of said flow control valve is per minute 10ml～500ml
Preferably, said fluid regulating device, said fluid dropping equipment, said fluid sampling apparatus and said fluid analyzer unit are removably linked together by the cutting ferrule joint through fluid line successively.
Preferably, fluid line optionally connects through reducing element each other.
Preferably, said fluid regulating device, said fluid dropping equipment and said fluid sampling apparatus are placed insulation can.
Preferably, the temperature of said insulation can is 100 ℃～300 ℃.
Preferably, said fluid analyzer unit is placed the outside of said insulation can, and the fluid line between said fluid analyzer unit and the said fluid sampling apparatus is designed to hot insulated line.
Preferably, the holding temperature of said hot insulated line is 200 ℃～300 ℃.
Preferably, said fluid sample comes from Trunk Line.
Preferably, on said Trunk Line, have first web member, this first web member will be positioned at the fluid extraction of said Trunk Line, and be transported to said fluid dropping equipment and said fluid analyzer unit successively through fluid line.
Through technique scheme, because the fluid dropping equipment that fluid is flowed through has said solid post, make fluid flow through the gap between solid post and the hollow tubular, therefore fluid antihypertensive effect of the present invention is good, and simple.
Other features and advantages of the present invention will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of instructions, is used to explain the present invention with following embodiment, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of fluid analysis method provided by the invention;
Fig. 2 is the front view of fluid dropping equipment provided by the invention;
Fig. 3 is the side view of fluid dropping equipment provided by the invention;
Fig. 4 is the process flow diagram of fluid regulating device provided by the invention;
Fig. 5 is the process flow diagram of fluid sampling apparatus provided by the invention in sample;
Fig. 6 is the process flow diagram of fluid sampling apparatus provided by the invention in analysis state.
Description of reference numerals
Embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention.Should be understood that embodiment described herein only is used for explanation and explains the present invention, is not limited to the present invention.
Like Fig. 1, Fig. 2 and shown in Figure 3; Fluid analysis method provided by the invention comprises fluid sample is transported to fluid dropping equipment 2 and fluid analyzer unit 3 successively through fluid line 1; Wherein, fluid dropping equipment 2 is designed to comprise hollow tubular 21 and solid post 22, and hollow tubular 21 is sleeved on the solid post 22 with a gap; Step-down is carried out in the gap that fluid sample is flowed through between hollow tubular 21 and the solid post 22, and the fluid sample that will pass through step-down is transported to fluid analyzer unit 3 through fluid line 1.
In technique scheme; Because the fluid dropping equipment 2 that fluid is flowed through is designed with solid post 22; And make fluid flow through the gap between solid post 22 and the hollow tubular 21, therefore the fluid antihypertensive effect of fluid analysis method provided by the invention is good, and simple.Be particularly useful for the fluid on-line analysis.
Clean the gap between hollow tubular 21 and the solid post 22 for ease, preferably, solid post 22 is designed to be able to mutual slip with hollow tubular 21, cleans so that can extract solid post 22 out.
What this need stress be; The present invention preferably is designed to be able to mutual slip with above-mentioned solid post 22 and hollow tubular 21; But, can realize interfixing between solid post 22 and the hollow tubular 21, to reach good antihypertensive effect simultaneously in order to guarantee the fluid dropping equipment under the step-down state; Preferably; The ratio of the internal diameter of the external diameter of said solid post 22 and said hollow tubular 11 is 0.9～0.999, and more preferably, the ratio of the internal diameter of the external diameter of said solid post 22 and said hollow tubular 11 is 0.95～0.99.Make gap between the two; Can guarantee that fluid can flow through; Can make solid post 22 relevant fixing through the mismachining tolerance of the two adjacently situated surfaces again, in the step-down process, not be subjected to displacement the antihypertensive effect instability that is caused thereby solid post 22 can not occur with hollow tubular 21.
Need to prove here, can also adopt modes such as form fit to realize relative fixed between solid post 22 and the hollow tubular 21, perhaps directly be fixed together through modes such as welding; Perhaps be fabricated to one through mode such as one-body molded; But consider that possibly there is the problem of inconvenient machining in these class methods, and may influence antihypertensive effect and problem such as can not clean that the present invention does not do too much statement; But these class methods also should fall into protection scope of the present invention.
In addition, solid post 22 is drawn out of under the cleaning state for ease, and the Design of length of solid post 22 becomes the length greater than hollow tubular 21.In addition, in actual use, solid post 22 at least one ends reach the outside of hollow tubular 21, and preferred two ends all reach the outside of hollow tubular, clean thereby can extract solid post 22 easily out, and can guarantee antihypertensive effect.When hollow tubular 21 was all stretched out in the two ends of solid post 22, the length that hollow tubular 21 is exposed at the two ends of solid post 22 preferably equated.Process for the antihypertensive effect (being the time that fluid flows through solid post 22 and hollow tubular 21 slits) and convenient manufacturing that guarantee solid post 22, preferably, the length-diameter ratio of solid post 22 is 50～5000, and more preferably, the length-diameter ratio of solid post 22 is 100～800.The ratio of the length that said here length-diameter ratio is a solid post 22 and the external diameter of solid post 22.
For this reason; The use of the present invention for ease in fluid analysis; Particularly preferably, be provided with dismountable web member 23 at least one end of hollow tubular 21 provided by the invention, web member 23 and/or hollow tubular 21 removably connect fluid line 1 by the cutting ferrule joint.That is, when hollow tubular 21 was all exposed in the two ends of solid post 22, the two ends of fluid dropping equipment all were provided with web member 23, and when solid post 22 had only an end to expose hollow tubular 21, the bared end of fluid dropping equipment was provided with web member 23.Wherein, the connected mode between web member 23 and the hollow tubular 21 is preferably threaded engagement.When hollow tubular 21 1 ends were not provided with web member 23, this end directly was connected through the cutting ferrule joint with fluid line.The cutting ferrule joint that the present invention adopted is the cutting ferrule joint that common being used to connects weldless steel tube in the market; It comprises fittings body, cutting ferrule, nut; Its principle of work is for to insert weldless steel tube in the cutting ferrule; Utilize cutting ferrule nut lock conflict cutting ferrule, the cutting ferrule inner edge is cut weldless steel tube equably, forms effectively sealing.Select the cutting ferrule joint of different size in actual the use for use through different demands.Therefore, under the cleaning state, can solid post 2 for convenience detach.
In the present invention; In order to satisfy work under the working environment of HTHP, said solid post 22 and/or hollow tubular 21 can the employing standard be the various alloy seamless steel pipe manufacturings of GB/T8163-19990, GB/T8162-199, GB/3087-1999, API 5L, API 5CT, ASTM A106, ASTM A53 and BS1387-1985.
In addition, said fluid analyzer unit 3 is gas chromatographicanalyzer and/or mass spectrometer and/or infrared spectrometric analyzer, and the needs in the design consideration real work of this type of fluid analyzer unit carry out, and can select wherein one or more combination for use.In addition, fluid analyzer unit 3 of the present invention can also be designed to the instrument that other are used for fluid analysis, for fear of repetition, does not do too much at this and to give unnecessary details.
In addition in order to guarantee the effect of fluid analysis; As shown in Figure 4; The fluid sample fluid regulating device 4 of also flowing through; Fluid regulating device 4 is designed to comprise filtrator 41 and flow control valve 42, and fluid sample flows through filtrator 41 and flow control valve 42 successively, flow into fluid dropping equipment 2 through fluid line 1 then.Wherein, The filtrator 41 preferred metal material micro-filters that adopt high temperature high voltage resistant; It is set filters number and filter out in the fluid line mechanical impurity that needs not analyze and be advisable to satisfy, and preferably, the diameter of the particle that filtrator 41 permissions are passed through is 1/200～1/50 of six-way valve 51 (it is thus clear that Fig. 5 and Fig. 6) channel diameter; And according to the real work needs, the flow of flow control valve 42 is per minute 10ml～500ml.
In addition; Like Fig. 5 and shown in Figure 6; Fluid analyzer unit work for ease; Between fluid dropping equipment 2 and fluid analyzer unit 3, fluid sampling apparatus 5 is set, is transported to through the fluid sample after 2 step-downs of fluid dropping equipment and takes a sample in the fluid sampling apparatus 5 and temporary, then fluid sample temporary in the fluid sampling apparatus 5 is transported to fluid analyzer unit 3.Preferably, fluid sampling apparatus 5 is designed to comprise six-way valve 51 and sampling quantity tube 52, and six-way valve 51 and sampling quantity tube 52 are linked together.Wherein, sampling quantity tube 52 can gather and keep in fluid sample when fluid is flowed through, and six-way valve 51 is for to be preferably designed to the pneumatic six-way valve by Controlled by Programmable Controller, and to make things convenient for practical operation, concrete sampling method is following:
Six-way valve 51 is designed to comprise fluid inlet a, air intake opening b, evacuation port c, outlet d, the first connector e, the second connector f and the spool g that is provided with at interval; Wherein, Fluid inlet a connects fluid dropping equipment 2 through fluid line 1, and air intake opening b connects the analytical equipment carrier gas, and evacuation port c is used for the emptying fluid; Outlet d connects the two ends that fluid analyzer unit 3, the first connector e and the second connector f are connected the quantity tube 52 of taking a sample respectively;
In the fluid sampling stage, through moving valve core g the fluid inlet a and the first connector e are communicated with, the second connector f and evacuation port c are communicated with, air intake opening b and outlet d are communicated with, to realize the fluid sample collection and to be temporarily stored in the sampling quantity tube 52;
In the fluid analysis stage, through moving valve core g once more fluid inlet a and evacuation port c are communicated with, the air intake opening b and the first connector e are communicated with, the second connector f and outlet d are communicated with, get in the fluid analyzer unit 3 through outlet d to realize fluid sample.
Above-mentioned analytical equipment carrier gas is used for the fluid in the sampling quantity tube 52 is transported to fluid analyzer unit 3, for example can use nitrogen.In the present invention; The capacity of sampling quantity tube is decided according to the actual requirements, and six-way valve 51 is provided with three same spool g, and it can be installed on the six-way valve 51 the movable compartment of terrain of an end; Its concrete installation site is unrestricted, as long as can satisfy the connection of each interface of above-mentioned two states.Spool g receives Controlled by Programmable Controller, and the user can be provided with like time, flow, pressure and other parameters in advance.This technology is known by those skilled in the art, repeats no more at this.
Need to prove that in addition the six-way valve sampling mode that the present invention adopts is a kind of preferred implementation, but does not limit the present invention, other is fallen into protection scope of the present invention equally by the sampling mode that those skilled in the art knew.
In order to accomplish the on-line analysis of fluid smoothly, as shown in Figure 1, fluid regulating device 4, fluid dropping equipment 2, fluid sampling apparatus 5 and fluid analyzer unit 3 are removably linked together by the cutting ferrule joint through fluid line 1 successively.Certainly, be not limited to the cutting ferrule joint style here and connect, other removably ways of connecting all can adopt, with for convenience detach, change and safeguard.
In addition, because the inlet of each device and assembly wherein is different, usually in order to adapt to the less inlet of least significant end fluid analyzer unit, preferably, fluid line 1 optionally connects through reducing element 11 each other.Reducing element 11 is preferred to adopt reducings two logical (Fig. 4 is visible), thereby changes the bore of fluid line 1 as required, the material high temperature high voltage resistant of the fluid line that the present invention adopted, and preferably to adopt diameter be the standard pipeline of 1/16 inch or 1/8 inch.
In addition, keep liquid condition during fluid sample analysis usually.Therefore, preferably, fluid regulating device 4, fluid dropping equipment 2 and fluid sampling apparatus 5 are placed insulation can 7.The operating grip of each device is exposed at outside the case simultaneously, does not influence operation.Insulation can 7 adopts the Electric heating heating, and the holding temperature that said insulation can 7 preferably is set is 100 ℃～300 ℃, and is concrete so that institute's analysing fluid can keep liquid to be as the criterion.
In addition; In order to guarantee that fluid analyzer unit 3 does not receive the influence of insulation can; And still can be incubated behind the fluid sample effluent fluid sampler 5; Preferably, fluid analyzer unit 3 is placed the outside of insulation can 7, and the fluid line 1 between fluid analyzer unit 3 and the fluid sampling apparatus 5 is designed to hot insulated line.And the insulating power that hot insulated line preferably is set is adjustable, and holding temperature is concrete so that fluid sample can keep liquid to be as the criterion between 200 ℃～300 ℃.Said hot insulated line is known hot insulated line by those skilled in the art, all can adopt as long as satisfy the hot insulated line of requirement of the present invention, and the present invention does not limit.Through like this, guarantee to be in the good keeping warm mode before the fluid sample incoming fluid analytical equipment 3.
Need to prove that under the fluid analysis state that need not be incubated, insulation can 7 all can not adopt or not work with hot insulated line in the present invention, this is not construed as limiting the invention.
In actual use, method of the present invention is mainly used in online fluid analysis, and is as shown in Figure 1, that is, preferred said fluid sample comes from Trunk Line 6.Trunk Line 6 described herein can be for carrying out the fluid Trunk Line of fluid analysis arbitrarily, for example transport line of the little anti-product of high pressure etc.In order to make fluid analysis method of the present invention not influence the character of the original fluid in the Trunk Line 6; Preferably; On Trunk Line, has first web member 12; This first web member 12 will be positioned at the fluid extraction of Trunk Line 6, and be transported to fluid dropping equipment 2 and fluid analyzer unit 3 successively through fluid line 1.In actual use; First web member 12 is preferably threeway; And on the fluid line 1 between threeway and the filtrator 41, the stop valve (not shown) is set,, can certainly directly first web member 12 preferably be set to T-valve controllably from Trunk Line, to gather fluid sample to fluid line; As long as satisfy the object of the invention, the present invention does not limit this.
Through such setting; Make fluid analysis method of the present invention (adjusting, step-down, sampling, analysis and insulation) can not cause the fluid properties of original system to change; Trunk Line 6 to upstream and downstream can not exert an influence; Flow through successively fluid regulating device 4, fluid pressure reduction device 2, fluid sampling apparatus 5 and fluid analyzer unit 3 of the fluid sample of extraction from Trunk Line 6, and carry out handled.Through fluid analysis method provided by the invention, especially be applied in the online fluid analysis, the fluid analysis result can be obtained rapidly, exactly, and better repeatability can be kept.For example be applied in and adopt high pressure little anti-when carrying out evaluating catalyst, adopt this method to carry out online product analysis, can not need manual intervention in exit portion.Therefore, of the present invention effective, and simple.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.For example, can design hollow tubular 1 and change into other shapes, like rectangular parallelepiped, prismatoid and satisfy the object of the invention shape with solid post 2.
Need to prove in addition; Each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
Claims (23)
1. fluid analysis method; This fluid analysis method comprises fluid sample is transported to fluid dropping equipment (2) and fluid analyzer unit (3) successively through fluid line (1); It is characterized in that; Said fluid dropping equipment (2) is designed to comprise hollow tubular (21) and solid post (22); And said hollow tubular (21) is sleeved on the said solid post (22) with a gap, and step-down is carried out in the gap that said fluid sample is flowed through between said hollow tubular (21) and the said solid post (22), and the said fluid sample that will pass through step-down is transported to said fluid analyzer unit (3) through fluid line (1).
2. fluid analysis method according to claim 1 is characterized in that, said solid post (22) and said hollow tubular (21) are designed to be able to mutual slip.
3. fluid analysis method according to claim 2 is characterized in that, the ratio of the internal diameter of the external diameter of said solid post (22) and said hollow tubular (21) is 0.9～0.999.
4. fluid analysis method according to claim 3 is characterized in that, the ratio of the internal diameter of the external diameter of said solid post (22) and said hollow tubular (21) is 0.95～0.99.
5. fluid analysis method according to claim 1 is characterized in that, the Design of length of said solid post (22) becomes the length greater than said hollow tubular (11).
6. fluid analysis method according to claim 5 is characterized in that, at least one end of said solid post (22) reaches the outside of said hollow tubular (21).
7. fluid analytical systems according to claim 1 is characterized in that, the length-diameter ratio of said solid post (22) is 50～5000.
8. fluid analytical systems according to claim 7 is characterized in that, the length-diameter ratio of said solid post (22) is 100～800.
9. fluid analysis method according to claim 5; It is characterized in that; At least one end of said hollow tubular (21) is provided with dismountable second web member (23), and said second web member (23) and/or said hollow tubular (21) removably are connected to fluid line (1) by the cutting ferrule joint.
10. fluid analysis method according to claim 1 is characterized in that, said fluid analyzer unit (3) is gas chromatographicanalyzer and/or mass spectrometer and/or infrared spectrometric analyzer.
11. fluid analysis method according to claim 1; It is characterized in that; The fluid sample fluid regulating device (4) of also flowing through; Said fluid regulating device (4) is designed to comprise filtrator (41) and flow control valve (42), and said fluid sample flows through said filtrator (41) and flow control valve (42) successively, flow into said fluid dropping equipment (2) through fluid line (1) then.
12. fluid analysis method according to claim 1; It is characterized in that; Between said fluid dropping equipment (2) and said fluid analyzer unit (3), fluid sampling apparatus (5) is set; Be transported to through the said fluid sample after said fluid dropping equipment (2) step-down and take a sample in the said fluid sampling apparatus (5) and temporary, then said fluid sample temporary in the said fluid sampling apparatus (5) is transported to said fluid analyzer unit (3).
13. fluid analysis method according to claim 12 is characterized in that, said fluid sampling apparatus (5) is designed to comprise six-way valve (51) and sampling quantity tube (52), and said six-way valve (51) and said sampling quantity tube (52) are linked together.
14. fluid analysis method according to claim 13; It is characterized in that; Said six-way valve (51) is designed to comprise fluid inlet (a), air intake opening (b), evacuation port (c), outlet (d), first connector (e), second connector (f) and the spool (g) that is provided with at interval, and wherein, said fluid inlet (a) connects said fluid dropping equipment (2) through fluid line (1); Said air intake opening (b) connects the analytical equipment carrier gas; Said evacuation port (c) is used for the emptying fluid, and said outlet (d) connects said fluid analyzer unit (3), and said first connector (e) and said second connector (f) are connected the two ends of said sampling quantity tube (52) respectively;
In the fluid sampling stage; Through moving said spool (g) said fluid inlet (a) and first connector (e) are communicated with; Said second connector (f) and evacuation port (c) are communicated with; Said air intake opening (b) and said outlet (d) are communicated with, to realize said fluid sample collection and to be temporarily stored in the said sampling quantity tube (52);
In the fluid analysis stage; Through moving said spool (g) once more said fluid inlet (a) and said evacuation port (c) are communicated with; Said air intake opening (b) and said first connector (e) are communicated with; Said second connector (f) and said outlet (d) are communicated with, get in the said fluid analyzer unit (3) through said outlet (d) to realize said fluid sample.
15. according to claim 11 or 13 described fluid analysis methods; It is characterized in that; The diameter of the particle that said filtrator (41) permission is passed through is 1/200～1/50 of said six-way valve (a 51) channel diameter, and the flow of said flow control valve (42) is per minute 10ml～500ml.
16. according to claim 1 or 11 or 12 described fluid analysis methods; It is characterized in that, said fluid regulating device (4), said fluid dropping equipment (2), said fluid sampling apparatus (5) and said fluid analyzer unit (3) are removably linked together by the cutting ferrule joint through fluid line (1) successively.
17. fluid analysis method according to claim 16 is characterized in that, fluid line (1) optionally connects through reducing element (11) each other.
18. fluid analysis method according to claim 16 is characterized in that, said fluid regulating device (4), said fluid dropping equipment (2) and said fluid sampling apparatus (5) are placed insulation can (7).
19. fluid analysis method according to claim 18 is characterized in that, the holding temperature of said insulation can (7) is 100 ℃～300 ℃.
20. fluid analysis method according to claim 19; It is characterized in that; Said fluid analyzer unit (3) is placed the outside of said insulation can (7), and the fluid line (1) between said fluid analyzer unit (3) and the said fluid sampling apparatus (5) is designed to hot insulated line.
21. fluid analysis method according to claim 20 is characterized in that, the holding temperature of said hot insulated line is 200 ℃～300 ℃.
22. fluid analysis method according to claim 1 is characterized in that, said fluid sample comes from Trunk Line (6).
23. fluid analysis method according to claim 22; It is characterized in that; On said Trunk Line, has first web member (12); This first web member (12) will be positioned at the fluid extraction of said Trunk Line (6), and be transported to said fluid dropping equipment (2) and said fluid analyzer unit (3) successively through fluid line (1).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454362A (en) * | 2013-08-22 | 2013-12-18 | 中国石油天然气股份有限公司 | Online chromatography decompression sample injection device and online chromatography decompression sample injection method |
| CN113074986A (en) * | 2021-03-23 | 2021-07-06 | 华润电力（渤海新区）有限公司 | Fluid sampling device and sampling tube heat tracing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103454362A (en) * | 2013-08-22 | 2013-12-18 | 中国石油天然气股份有限公司 | Online chromatography decompression sample injection device and online chromatography decompression sample injection method |
| CN113074986A (en) * | 2021-03-23 | 2021-07-06 | 华润电力（渤海新区）有限公司 | Fluid sampling device and sampling tube heat tracing device |
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|---|---|
| CN102809623B (en) | 2014-10-29 |
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