CN105092317A - Method for detecting components of liquefied petroleum gas - Google Patents
Method for detecting components of liquefied petroleum gas Download PDFInfo
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- CN105092317A CN105092317A CN201510492782.XA CN201510492782A CN105092317A CN 105092317 A CN105092317 A CN 105092317A CN 201510492782 A CN201510492782 A CN 201510492782A CN 105092317 A CN105092317 A CN 105092317A
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- joint pipe
- pipe structure
- gasification
- adapter
- chromatograph
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Abstract
The invention relates to a method for detecting components of liquefied petroleum gas. The method comprises the following steps that 1, an inlet of a heat exchange pipe of a gasification structure is connected with a sample source of liquefied petroleum gas through a first connecting pipe of a connecting pipe structure; 2, a liquid sample enters the corresponding heat exchange pipe from the sample source to be converted into a gaseous state; 3, the connecting pipe structure is transferred and connected to the position between the gasification structure and a chromatographic analyzer; 4, the gaseous sample enters the chromatographic analyzer through a second connecting pipe of the connecting pipe structure to be detected. According to the method for detecting the components of liquefied petroleum gas, the two connecting pipes of the connecting pipe structure are successively used for communicating an inlet of the gasification structure with the sample source and for connecting an outlet of the gasification structure with an inlet of the chromatographic analyzer, under the condition of saving materials, the connecting pipe structure is adopted as a connecting structure and a sample collecting structure, various functions are achieved, and smooth conduction of detection is guaranteed.
Description
Technical field
The present invention relates to a kind of detection method.
Background technology
Along with the development of petro chemical industry, liquefied petroleum gas (LPG), as a kind of chemical industry base stock and New-type fuel, is more and more subject to people's attention.In Chemical Manufacture, liquefied petroleum gas (LPG) is the secondary product that refinery obtains when carrying out crude oil catalytic pyrolysis and thermal cracking.Can be used to produce synthetic plastic, synthetic rubber, synthon and produce the products such as medicine, explosive, dyestuff.Make fuel with liquefied petroleum gas (LPG), because its calorific value is high, smoke dust, without breeze, easy for operation, enter the sphere of life of people widely.In addition, liquefied petroleum gas (LPG) also for cutting metal, for the baking of agricultural product and the roasting etc. of Industrial Stoves.
Prior art, by the special component gasification in liquefied petroleum gas (LPG), passes into chromatograph and detects, but between its gasification structure and sample source, all need syndeton between gasification structure and chromatograph, connect comparatively loaded down with trivial details, also compare consumptive material.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of liquefied petroleum gas components detection method.
A kind of liquefied petroleum gas components detection method of the present invention, is characterized in that, comprise the steps:
(1) by the sample source of joint pipe structure by the heat-exchange tube entrance connecting fluid liquefied oil gas of gasification structure;
(2) sample of liquid enters corresponding heat-exchange tube by sample source and is converted to gaseous state;
(3) joint pipe structure is moved receive between gasification structure and chromatograph;
(4) sample of gaseous state enters chromatograph through joint pipe structure, accepts detection;
Described joint pipe structure comprises two integrated adapters: the first adapter and the second adapter, step (1) adopts the first adapter to be communicated with described heat-exchange tube and described sample source, and step (3) adopts the second adapter to connect the outlet of gasification structure and the entrance of chromatograph.
Further, in described joint pipe structure, each adapter be arranged in parallel.
Further, described joint pipe structure, gasification structure and chromatograph housing profile is separately cylindric; Outside the axial two ends of joint pipe structure housing, gasification structure housing be bordering on joint pipe structure axial one end outside and chromatograph housing be bordering on outside axial one end of joint pipe structure, be respectively equipped with external thread, the housing two ends of joint pipe structure are respectively equipped with the web member of nut type, and are threaded with gasification structure and chromatograph respectively by web member.
Further, unload joint pipe structure after step (2), move on between gasification structure and chromatograph, and rotate joint pipe structure, the position the second adapter being turned to be connected with heat-exchange tube also connects.
Further, in described joint pipe structure, each adapter is separable integrated.
Further, when described joint pipe structure connects gasification structure, by the locating notch on gasification structure housing, and the keeper on joint pipe structure carries out cooperation contraposition.
By such scheme, the present invention at least has the following advantages:
1, detection method of the present invention, by two adapters of joint pipe structure, successively for the entrance that is communicated with gasification structure and sample source and the entrance for the outlet and chromatograph that are connected gasification structure, then when saving material, joint pipe structure is not only as syndeton but also can as sample collection structure, diverse in function, can ensure carrying out smoothly of detection.Multiple adapter integrates by joint pipe structure in addition, one-step installation can put in place, completes connection, stores and loads and unloads all convenient.
2, the joint pipe structure be arranged in parallel is respectively taken in adopting, the convenient adapter switched for connecting.Especially joint pipe structure is by swaying, first adapter can turn to the position that the second adapter is connected with gasification structure, second adapter simultaneously also can turn to the position that the first adapter is connected with gasification structure, switch very convenient, be particularly conducive to the connection of the gasification structure of cylindrical shape, joint pipe structure and chromatograph.
3, be threaded connection between joint pipe structure, gasification structure and chromatograph, can load and unload fast, easily, be conducive to improving whole efficiency.
4, in joint pipe structure, each adapter is separable integrated, convenient replacing separately and maintenance.
5, by the contraposition of supporting location structure on the housing of gasification structure and joint pipe structure, fast and easy.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the inventive method detection device thereof under joint pipe structure connects gasification structure and chromatograph state;
Fig. 2 is the enlarged diagram of the A of local shown in Fig. 1;
Fig. 3 is that the inventive method detection device thereof connects the schematic diagram under gasification structure state at joint pipe structure as harvester;
Fig. 4 is the side view of the inventive method detection device thereof middle takeover structure.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
See Fig. 1-4, a kind of liquefied petroleum gas components detection method described in a preferred embodiment of the present invention, uses following pick-up unit.
A kind of liquefied petroleum gas components pick-up unit, comprise the gasification structure 2, joint pipe structure 4 and the chromatograph 6 that are connected successively, joint pipe structure 4 comprises two integrated adapters, one is the first adapter 42 of entrance that can be used in being communicated with gasification structure 2, for the second adapter 44 of the entrance of the outlet and chromatograph 6 that connect gasification structure 2 during another root.
The joint pipe structure 4 of the present embodiment, both can select specific adapter to connect gasification structure 2 and chromatograph 6 as syndeton, can select again specifically to take over to gather as sample collection structure and to transmit sample, diverse in function, also saved consumptive material.Multiple adapter integrates by joint pipe structure 4 in addition, one-step installation can put in place, completes connection, stores and loads and unloads all convenient.
In joint pipe structure 4, the parallel and Central Symmetry of two adapters is arranged.
The respective housing profile of joint pipe structure 4, gasification structure 2 and chromatograph 6 is cylindric; Outside the axial two ends of joint pipe structure 4 housing, gasification structure 2 housing be bordering on joint pipe structure 4 axial one end outside and chromatograph 6 housing be bordering on outside axial one end of joint pipe structure 4, be respectively equipped with external thread, the housing two ends of joint pipe structure 4 are respectively equipped with the web member 46 of nut type, and can be threaded with gasification structure 2 and chromatograph 6 respectively by web member 46.Can load and unload fast, easily, be conducive to improving whole efficiency.
Joint pipe structure 4 is by swaying, and the first adapter 42 can turn to the position that the second adapter 44 is connected with gasification structure 2, and the second adapter 44 simultaneously also can turn to the position that the first adapter 42 is connected with gasification structure 2.
In joint pipe structure 4, each adapter is separable integrated.
The housing of gasification structure 2 is provided with a locating notch 24, and joint pipe structure 4 is provided with the keeper 48 coordinated with locating notch 24, and locating notch 24 and keeper 48 coordinate can help gasification structure 2 and joint pipe structure 4 quick position joint.
One preferred embodiment of the inventive method, comprises the steps:
(1) use joint pipe structure 4 by the sample source of the heat-exchange tube 22 entrance connecting fluid liquefied oil gas of gasification structure 2;
(2) sample of liquid enters corresponding heat-exchange tube 22 by sample source and is converted to gaseous state;
(3) joint pipe structure 4 is moved receive between gasification structure 2 and chromatograph 6;
(4) sample of gaseous state enters chromatograph 6 through joint pipe structure 4, accepts detection;
Concrete, step (1) adopts the first adapter 42 to be communicated with heat-exchange tube 22 and sample source, after liquid enters the first adapter 42 in sample source, can unload sample source, cover the entrance of the first adapter 42 with pipe lid 43.Unload joint pipe structure 4 after step (2), move on between gasification structure 2 and chromatograph 6, and rotate joint pipe structure 4, the position the second adapter 44 being turned to be connected with heat-exchange tube 22 also connects.Cooperation contraposition is carried out especially by the locating notch 24 on gasification structure 2 and the keeper on joint pipe structure 4 48 during connection.
The above is only the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1. a liquefied petroleum gas components detection method, is characterized in that, comprises the steps:
(1) by the sample source of joint pipe structure by the heat-exchange tube entrance connecting fluid liquefied oil gas of gasification structure;
(2) sample of liquid enters corresponding heat-exchange tube by sample source and is converted to gaseous state;
(3) joint pipe structure is moved receive between gasification structure and chromatograph;
(4) sample of gaseous state enters chromatograph through joint pipe structure, accepts detection;
Described joint pipe structure comprises two integrated adapters: the first adapter and the second adapter, step (1) adopts the first adapter to be communicated with described heat-exchange tube and described sample source, and step (3) adopts the second adapter to connect the outlet of gasification structure and the entrance of chromatograph.
2. liquefied petroleum gas components detection method according to claim 1, is characterized in that: in described joint pipe structure, each adapter be arranged in parallel.
3. liquefied petroleum gas components detection method according to claim 2, is characterized in that: described joint pipe structure, gasification structure and chromatograph housing profile is separately cylindric; Outside the axial two ends of joint pipe structure housing, gasification structure housing be bordering on joint pipe structure axial one end outside and chromatograph housing be bordering on outside axial one end of joint pipe structure, be respectively equipped with external thread, the housing two ends of joint pipe structure are respectively equipped with the web member of nut type, and are threaded with gasification structure and chromatograph respectively by web member.
4. liquefied petroleum gas components detection method according to claim 3, it is characterized in that: after step (2), unload joint pipe structure, move on between gasification structure and chromatograph, and rotate joint pipe structure, the position the second adapter being turned to be connected with heat-exchange tube also connects.
5. liquefied petroleum gas components detection method according to claim 4, is characterized in that: in described joint pipe structure, each adapter is separable integrated.
6. liquefied petroleum gas components detection method according to claim 5, is characterized in that: when described joint pipe structure connects gasification structure, by the locating notch on gasification structure housing, and the keeper on joint pipe structure carries out cooperation contraposition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492782.XA CN105092317A (en) | 2015-08-12 | 2015-08-12 | Method for detecting components of liquefied petroleum gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492782.XA CN105092317A (en) | 2015-08-12 | 2015-08-12 | Method for detecting components of liquefied petroleum gas |
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| Publication Number | Publication Date |
|---|---|
| CN105092317A true CN105092317A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510492782.XA Pending CN105092317A (en) | 2015-08-12 | 2015-08-12 | Method for detecting components of liquefied petroleum gas |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2825548Y (en) * | 2005-08-10 | 2006-10-11 | 北京恒通卓信科技有限公司 | Four-way pipeline commutator |
| CN202661450U (en) * | 2012-05-14 | 2013-01-09 | 广东省茂名市质量计量监督检测所 | Detection device for dimethyl ether in liquefied petroleum gas |
| CN203299179U (en) * | 2013-06-07 | 2013-11-20 | 神华集团有限责任公司 | Chromatograph sample injection system |
| US20140024129A1 (en) * | 2012-07-20 | 2014-01-23 | Cameron International Corporation | Systems and Methods for Measuring Total Sulfur Content in a Fluid Stream |
-
2015
- 2015-08-12 CN CN201510492782.XA patent/CN105092317A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2825548Y (en) * | 2005-08-10 | 2006-10-11 | 北京恒通卓信科技有限公司 | Four-way pipeline commutator |
| CN202661450U (en) * | 2012-05-14 | 2013-01-09 | 广东省茂名市质量计量监督检测所 | Detection device for dimethyl ether in liquefied petroleum gas |
| US20140024129A1 (en) * | 2012-07-20 | 2014-01-23 | Cameron International Corporation | Systems and Methods for Measuring Total Sulfur Content in a Fluid Stream |
| CN203299179U (en) * | 2013-06-07 | 2013-11-20 | 神华集团有限责任公司 | Chromatograph sample injection system |
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Application publication date: 20151125 |