CN115108879A - Light hydrocarbon component separation, collection and online quantification device and method - Google Patents
Light hydrocarbon component separation, collection and online quantification device and method Download PDFInfo
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- CN115108879A CN115108879A CN202110309675.4A CN202110309675A CN115108879A CN 115108879 A CN115108879 A CN 115108879A CN 202110309675 A CN202110309675 A CN 202110309675A CN 115108879 A CN115108879 A CN 115108879A
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- 238000011002 quantification Methods 0.000 title claims abstract description 24
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N2030/042—Standards
- G01N2030/045—Standards internal
Abstract
The invention belongs to the field of oil-gas geochemistry, and particularly relates to a device and a method for separating, collecting and quantifying light hydrocarbon components on line. The invention relates to a light hydrocarbon component separation, collection and online quantification device, which comprises: the system comprises a separation and collection system and an online quantification system, wherein the inlet end of the separation and collection system is connected with a hydrocarbon discharge container to receive the oil-gas-containing fluid product, and the separation and collection system enables a first light hydrocarbon component to be separated from the oil-gas-containing fluid product through temperature control and further separates and purifies the first light hydrocarbon component; the online quantifying system comprises: the chromatographic instrument comprises a chromatographic instrument and a standard sample device, wherein the outlet end of the separation and collection system is connected with the outlet end of the standard sample device and then is connected with the inlet end of the chromatographic instrument, so that the first light hydrocarbon component and the internal standard substance are mixed according to a preset proportion and then enter the chromatographic instrument for chromatographic analysis. The separation, collection and online quantification device and method realize effective separation and online quantitative analysis of light hydrocarbon products, and avoid the influence caused by loss of light hydrocarbon components.
Description
Technical Field
The invention belongs to the field of oil-gas geochemistry, and particularly relates to a device and a method for separating, collecting and quantifying light hydrocarbon components on line.
Background
Light hydrocarbon is an important component of hydrocarbons in crude oil and hydrocarbon source rock, and the main component is gaseous hydrocarbon C under normal temperature condition 1 -C 4 And liquid hydrocarbon C 5 -C 14 In which C is 5 -C 8 The light hydrocarbon component is a main object of organic geochemical research, can provide light hydrocarbon fingerprint parameters for identifying the oil gas cause type, the evolution degree and the like, and is a commonly used effective ball chemical research index. Hydrocarbon source rock generates hydrocarbon-containing fluid in the process of hydrocarbon source rock hydrocarbon generation and discharge simulation experiment under the condition of near stratumHow to accurately and effectively separate C from oil-gas-containing fluid products 5 -C 8 The light hydrocarbon components are researched, and then the online quantitative analysis is realized.
In the prior art, chinese patent document CN201720029162.7 discloses an enrichment device suitable for testing trace light hydrocarbon components in natural gas. The device is used for being connected with outlets of a wellhead, a wellhead separator and other high-pressure natural gas containers to enrich light hydrocarbon, and being connected with chromatographic carrier gas and a sample inlet of a chromatograph to test enriched samples. The device can realize automatic enrichment, enrichment and storage of light hydrocarbon components in the natural gas on site and rapid chromatographic sample injection analysis of the enriched light hydrocarbon components. However, the technology aims at the online enrichment of trace light hydrocarbon components in natural gas, and is characterized in that the content of the light hydrocarbon components is low, a large amount of light hydrocarbon components cannot be collected, the sample injection amount of chromatographic analysis cannot be adjusted, and further quantitative analysis cannot be realized.
Chinese patent document CN201610833674.9 discloses a rock gas content and C 1 -C 15 The device comprises a sealed sample crushing tank, a heating box, a chromatographic box, a vaporization chamber, a detector, an intelligent cold trap, a chromatographic column and the vaporization chamber. One end of the helium gas inlet pipeline on one side is connected with a helium gas bottle, and the other end of the helium gas inlet pipeline on one side is connected with a first gas valve of the sample crushing tank; one end of a helium gas outlet pipeline on the other side is connected with the vaporizing chamber, and the other end of the helium gas outlet pipeline is connected with a second gas valve of the sample crushing tank. The technology has the following defects: light hydrocarbon components are collected in an online mode of desorbing hydrocarbon gas by broken samples of a rock closed system, and C cannot be effectively separated 5 -C 8 A light hydrocarbon component; and no equipment capable of effectively adjusting the content of the light hydrocarbon components is provided, so that the amount of the sample entering a chromatograph cannot be adjusted, and only online collection and qualitative detection can be realized, but a quantitative analysis result cannot be provided.
Chinese patent document CN201210465454.7 discloses a collection device for light hydrocarbon components in rock samples, which comprises a sealed sample crushing tank body, wherein the sample crushing tank body is provided with an air inlet and an air outlet, and rock blocks and sample crushing metal blocks are arranged in the sample crushing tank body; the air inlet is communicated to the carrier gas mechanism through an air inlet pipeline; the gas outlet is communicated with a sealed sample bottle through a gas outlet pipeline, and the sample bottle is placed in a heat-insulating low-temperature tank filled with liquid nitrogen; the sample bottle is also provided with an air pumping pipeline, and the air pumping pipeline is sequentially provided with a gas flowmeter, a cold trap and a vacuum pumping device. This collection device of light hydrocarbon component in rock sample smashes rock specimen solvent in the sealed jar and draws and obtain light hydrocarbon, uses chemical reagent such as dichloromethane or carbon disulfide, needs low temperature enrichment, only can the off-line collect to can't realize the online ration of light hydrocarbon component.
Disclosure of Invention
The invention provides a device and a method for separating, collecting and quantifying light hydrocarbon components on line, which are used for at least solving the technical problem.
One aspect of the present invention provides a light hydrocarbon component separation, collection and on-line quantification apparatus, comprising: a separation and collection system and an on-line quantitative system,
wherein the inlet end of the separation and collection system is connected to a hydrocarbon discharge vessel for providing a hydrocarbon-containing fluid product to receive the hydrocarbon-containing fluid product, and the separation and collection system separates and further separates and purifies the first light hydrocarbon component from the hydrocarbon-containing fluid product through temperature control;
the online quantifying system comprises: a chromatograph and a standard sample device for providing an internal standard substance,
the outlet end of the separation and collection system is connected with the outlet end of the standard sample device and then is connected with the inlet end of the chromatograph, so that the first light hydrocarbon component and the internal standard substance are mixed according to a preset proportion and then enter the chromatograph for chromatographic analysis.
In one embodiment, the online quantification system further comprises:
the inlet end of the flow regulator is respectively connected with the separation and collection system and the outlet end of the standard sample device, and the outlet end of the flow regulator is connected with the inlet end of the chromatograph;
the flow regulator is used for respectively regulating the flow of the first light hydrocarbon component and the flow of the internal standard substance, so that the first light hydrocarbon component and the internal standard substance are mixed according to a preset proportion to form a mixture to be measured.
In one embodiment, the online quantification system further comprises:
and the inlet end of the third cold-hot trap is connected with the outlet end of the flow regulator so that a mixture to be detected enters the third cold-hot trap for enrichment, the outlet end of the third cold-hot trap is connected with the inlet end of the chromatograph, and the third cold-hot trap is heated instantly so that the enriched mixture to be detected enters the chromatograph for chromatographic analysis after being vaporized.
In one embodiment, the online quantification system further comprises:
and the outlet end of the carrier gas device is connected with the outlet end of the flow regulator and then is connected with the inlet end of the third cold and hot trap, and the carrier gas device is used for providing carrier gas to carry the mixture to be detected flowing out of the outlet end of the flow regulator to enter the third cold and hot trap at a preset flow rate for enrichment.
In one embodiment, the separation and collection system comprises: a first cold-hot trap and a second cold-hot trap,
said first cold and hot trap having an inlet end connected to said hydrocarbon discharge vessel to receive said oil-gas-containing fluid product and being capable of separating said first light hydrocarbon component from said oil-gas-containing fluid product;
the inlet end of the second cold-hot trap is connected with the outlet end of the first cold-hot trap to receive the first light hydrocarbon component, and the second cold-hot trap can further separate and purify the first light hydrocarbon component.
In one embodiment, the separation and collection system further comprises: a first temperature controller and a second temperature controller,
the first temperature controller is connected with the first hot and cold trap to control the temperature of the first hot and cold trap;
and the second temperature controller is connected with the second hot and cold trap to control the temperature of the second hot and cold trap.
In one embodiment, the separation collection system further comprises:
a gas quantitative collector connected to the outlet end of the first hot and cold trap to collect a second light hydrocarbon component of the hydrocarbon-containing fluid product;
wherein the second light hydrocarbon component is different from the first light hydrocarbon component.
In one embodiment, further comprising:
and the air exhaust end of the vacuum-pumping device is respectively communicated with the separation and collection system and the online quantitative system.
The invention also provides a method for separating, collecting and quantifying light hydrocarbon components on line, which uses the device for separating, collecting and quantifying on line and is characterized by comprising the following steps:
s1: passing the hydrocarbon-bearing fluid in the hydrocarbon removal vessel to a separation and collection system;
s2: controlling the temperature of the separation and collection system to separate the first light hydrocarbon component from the oil-containing gas fluid, and further separating and purifying the first light hydrocarbon component;
s3: enabling the first light hydrocarbon component to enter an online quantitative system, and adding an internal standard substance in a preset proportion into the first light hydrocarbon component to form a mixture to be detected;
s4: enabling the mixture to be detected to enter a chromatograph for chromatographic analysis and obtaining a chromatographic result;
s5: and carrying out quantitative calculation by adopting an internal standard method according to the obtained chromatographic result.
In one embodiment, step S2 includes the following sub-steps:
s21: setting the temperature of the first cold and hot trap as a first set temperature, and enabling the hydrocarbon-containing fluid generated by the hydrocarbon discharging container to enter the first cold and hot trap for freezing and collecting;
s22: setting the temperature of the first cold-hot trap as a second set temperature, vaporizing and separating a second light hydrocarbon component in the oil-gas-containing fluid, and collecting the vaporized second light hydrocarbon component through a gas quantitative collection device;
s23: setting the temperature of the first cold-hot trap as a third set temperature to vaporize and separate the first light hydrocarbon component in the oil-gas-containing fluid;
s24: setting the temperature of the second cold-hot trap as a fourth set temperature, so that the vaporized first light hydrocarbon component enters the second cold-hot trap for liquefaction and enrichment;
s25: and setting the temperature of the second cold-hot trap as a third set temperature, and vaporizing and separating the liquefied first light hydrocarbon component again to further separate and purify the first light hydrocarbon component.
Compared with the prior art, the invention has the advantages that:
1. in the invention, because different light hydrocarbon components have different melting boiling points, the separation and collection system can separate the first light hydrocarbon component from the oil-containing gas fluid through temperature control and further purify and separate the first light hydrocarbon component, thereby accurately obtaining the first light hydrocarbon component and realizing accurate and effective separation of light hydrocarbon products.
2. A standard sample device is added in the online quantitative system to add an internal standard substance with a preset proportion into the obtained first light hydrocarbon component, so that online quantitative analysis of light hydrocarbon products is realized.
3. The separation and collection system enables the first light hydrocarbon component to be separated and then directly flow into the online quantitative system for quantitative analysis, and the influence of light hydrocarbon component loss on quantitative test can be avoided.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a separation, collection and on-line quantitative device for light hydrocarbon components in the present invention;
FIG. 2 is a flow chart of a method for separation and collection and on-line quantification of light hydrocarbon components according to the present invention.
Reference numerals:
101-a hydrocarbon discharge vessel; 102-a first valve; 103-a first hot and cold trap; 104-a fourth valve;
105-a gas quantitative collection device; 106-a second valve; 107-drying means; 108-a third valve;
109-a second hot and cold trap; 110-a fifth valve; 111-a sixth valve; 112-a vacuum pump;
113-a first pressure controller; 114-a first temperature controller; 115-a second temperature controller;
201-a seventh valve; 202-a flow regulator; 203-eighth valve; 204-a standard sample device;
205-ninth valve; 206-tenth valve; 207-a second pressure controller; 208-a gas carrying cylinder;
209-third cold-hot trap; 210-an eleventh valve; 211-chromatograph; 212-third temperature controller.
Detailed Description
The invention will be further explained with reference to the drawings.
The first aspect of the invention provides a light hydrocarbon component separation, collection and online quantification device, which comprises: a separation collection system and an on-line quantification system. Wherein the inlet end of the separation and collection system is connected to a hydrocarbon discharge vessel 101 for providing a hydrocarbon-containing fluid product to receive the hydrocarbon-containing fluid product, and wherein the separation and collection system separates the first light hydrocarbon component from the hydrocarbon-containing fluid product by temperature control.
The on-line quantitative system comprises: a chromatograph 211 and a standard device for providing an internal standard. The outlet end of the separation and collection system is connected with the outlet end of the standard sample device and then connected with the inlet end of the chromatograph 211, so that the first light hydrocarbon component and the internal standard substance are mixed according to a preset proportion and then enter the chromatograph 211 for chromatographic analysis.
In the invention, because different light hydrocarbon components have different melting boiling points, the separation and collection system can separate the first light hydrocarbon component from the oil-containing gas fluid through temperature control and further purify and separate the first light hydrocarbon component, thereby accurately obtaining the first light hydrocarbon component and realizing the effective separation of light hydrocarbon products.
Meanwhile, a standard sample device is added in the online quantitative system to add an internal standard substance with a preset proportion into the obtained first light hydrocarbon component, so that online quantitative analysis of light hydrocarbon products is realized.
In addition, the separation and collection system directly flows into the online quantitative system for quantitative analysis after separating out the first light hydrocarbon component, so that the influence of the loss of the light hydrocarbon component on the quantitative test can be avoided.
In the present invention, the first light hydrocarbon component is C 5 -C 8 Light hydrocarbon component, the second light hydrocarbon component being C 1 -C 4 Light hydrocarbon components.
Example one
In this embodiment, the online quantitative system further includes: and the inlet end of the flow regulator 202 is respectively connected with the outlet ends of the separation and collection system and the standard sample device, and the outlet end of the flow regulator 202 is connected with the inlet end of the chromatograph 211.
The flow regulator 202 is configured to regulate the flow of the first light hydrocarbon component and the flow of the internal standard substance, respectively, so that the first light hydrocarbon component and the internal standard substance are mixed according to a preset ratio to form a mixture to be measured.
In other words, the contents of the first light hydrocarbon component and the internal standard substance in the mixture to be tested can be adjusted to the analysis range suitable for gas chromatography by controlling the flow regulator 202.
Specifically, the flow regulator 202 may be an electronic flow regulator 202. The electronic flow modulator 202 is operable to control the flow of the first light hydrocarbon component and the internal standard into the chromatograph 211.
It should be noted that the flow regulator 202 has at least two flow channels, so that the first light hydrocarbon component and the internal standard substance enter the two flow channels respectively, so as to achieve the flow control of the first light hydrocarbon component and the internal standard substance respectively. The first light hydrocarbon component and the internal standard are not mixed before entering the flow regulator 202 and are mixed after passing through the flow regulator 202.
Example two
The description of the present embodiment is different from the above embodiments, and the description of the same parts is omitted.
In this embodiment, the online quantitative system further includes: and an inlet end of the third cold-hot trap 209 is connected with an outlet end of the flow regulator 202, so that a mixture to be detected enters the third cold-hot trap 209 for enrichment, an outlet end of the third cold-hot trap 209 is connected with an inlet end of the chromatograph 211, and the third cold-hot trap 209 is heated instantly so that the enriched mixture to be detected enters the chromatograph 211 for chromatographic analysis after being vaporized.
The third cold-hot trap 209 is arranged to concentrate the sample before sample analysis, and the mixture to be measured is vaporized by instant temperature rise and then concentrated sample analysis is carried out, so that the best analysis effect is achieved.
Preferably, the on-line quantitative system further comprises a third temperature controller 212, and the third temperature controller 212 is connected with the third hot and cold trap 209 to control the temperature of the third hot and cold trap 209.
EXAMPLE III
The description of the present embodiment is different from the above embodiments, and the description of the same parts is omitted.
In this embodiment, the online quantitative system further includes: and the outlet end of the carrier gas device is connected between the outlet end of the flow regulator 202 and the inlet end of the third cold-hot trap 209, and the carrier gas device is used for providing carrier gas to carry the mixture to be tested flowing out of the outlet end of the flow regulator 202 into the third cold-hot trap 209 at a preset flow rate for enrichment.
Specifically, the carrier gas device described above includes the carrier gas bottle 208 and the first pressure controller 113. The carrier gas bottle 208 is used for providing carrier gas, the outlet end of the carrier gas bottle 208 is connected with the outlet end of the flow regulator 202 and then connected with the inlet end of the third cold and hot trap 209, and the first pressure controller 113 is connected with the outlet end of the carrier gas to control the flow rate of the carrier gas.
Example four
In this embodiment, the separation and collection system includes: a first cold-hot trap 103 and a second cold-hot trap 109, the inlet end of the first cold-hot trap 103 being connected to the hydrocarbon discharge vessel 101 to receive the hydrocarbon-containing fluid product, and the first cold-hot trap 103 being capable of separating a first light hydrocarbon component from the hydrocarbon-containing fluid product; the inlet end of the second cold-hot trap 109 is connected to the outlet end of the first cold-hot trap 103 to receive the first light hydrocarbon component, and the second cold-hot trap 109 is capable of further separating and purifying the first light hydrocarbon component.
The first light hydrocarbon product can be effectively separated and further purified by the first cold-hot trap 103 and the second cold-hot trap 109 through temperature control, so that the first light hydrocarbon component is accurately obtained, and the accuracy of an analysis result is ensured.
Specifically, the separation and collection system further comprises: a first temperature controller 114 and a second temperature controller 115. The first temperature controller 114 is connected with the first cold-hot trap 103 to control the temperature of the first cold-hot trap 103; the second temperature controller 115 is connected to the second hot and cold sink 109 to control the temperature of the second hot and cold sink 109.
EXAMPLE five
The description of the present embodiment is different from the above embodiments, and the description of the same parts is omitted.
In this embodiment, the separation and collection system further includes: a gas quantitative collector and drying device 107.
Wherein, the gas quantitative collector is connected with the outlet end of the first cold-hot trap 103 to collect the second light hydrocarbon component in the hydrocarbon-containing fluid product. Wherein the second light hydrocarbon component is different from the first light hydrocarbon component.
The drying device 107 is used for absorbing moisture in the first light hydrocarbon component, and the inlet end and the outlet end of the drying device 107 are respectively connected with the outlet end of the first cold-hot trap 103 and the inlet end of the second cold-hot trap 109.
Specifically, the drying device 107 may be filled with a drying agent such as a 5A molecular sieve to function as a drying gas.
Example six
The description of the present embodiment is different from the above embodiments, and the description of the same parts is omitted.
In this embodiment, the separation, collection and online quantification apparatus further includes a vacuum pumping apparatus, and an air pumping end of the vacuum pumping apparatus is respectively communicated with the separation and collection system and the online quantification system. The vacuumizing device is used for vacuumizing the separation and collection and online quantification device.
Preferably, the air exhaust end of the vacuum device is respectively connected with the outlet end of the separation and collection system and the inlet end of the on-line positioning system. In other words, the air exhaust end of the vacuum extractor is connected with the connection position of the separation and collection system and the on-line positioning system, so that the vacuum extractor can more uniformly and evenly vacuumize the separation and collection device and the on-line positioning system.
Specifically, the vacuum pumping device comprises a vacuum pump 112 and a second pressure controller 207, and the vacuum pump 112 is controlled by the second pressure controller 207 for pumping vacuum to the separation, collection and on-line quantitative device.
EXAMPLE seven
In this embodiment, the separation, collection and online quantification apparatus includes a separation and collection system, an online quantification system, and a vacuum pumping apparatus. Wherein, separation collection system includes: a first hot and cold trap 103, a second hot and cold trap 109, a gas quantitative collector and a drying device 107. The on-line quantitative system comprises: chromatograph 211, a standard sample device, a third hot and cold trap 209, a third temperature controller 212, a carrier gas cylinder 208, and a first pressure controller 113. The evacuation device includes a vacuum pump 112 and a second pressure controller 207 connected to the vacuum pump 112.
Wherein the inlet end of the first cold and hot trap 103 is connected to the hydrocarbon discharge vessel 101 to receive the hydrocarbon-containing fluid product, and the first cold and hot trap 103 is capable of separating the first light hydrocarbon component from the hydrocarbon-containing fluid product; the inlet end of the second cold-hot trap 109 is connected to the outlet end of the first cold-hot trap 103 to receive the first light hydrocarbon component, and the second cold-hot trap 109 is capable of further separating and purifying the first light hydrocarbon component. The first temperature controller 114 is connected with the first hot and cold trap 103 to control the temperature of the first hot and cold trap 103; the second temperature controller 115 is connected to the second hot and cold sink 109 to control the temperature of the second hot and cold sink 109.
A gas quantitative collector is connected to the outlet end of the first hot and cold trap 103 to collect the second light hydrocarbon component of the hydrocarbon-containing fluid product. The inlet and outlet ends of the drying device 107 are connected to the outlet end of the first hot and cold trap 103 and the inlet end of the second hot and cold trap 109, respectively.
The outlet end of the second cold-hot trap 109 is connected with the outlet end of the standard sample device and then connected with the inlet end of the chromatograph 211, so that the first light hydrocarbon component and the internal standard substance are mixed according to a preset proportion and then enter the chromatograph 211 for chromatographic analysis. The inlet end of the flow regulator 202 is connected with the outlet ends of the separation and collection system and the sample device respectively, and the outlet end of the flow regulator 202 is connected with the inlet end of the chromatograph 211. The flow regulator 202 is configured to respectively regulate the flow of the first light hydrocarbon component and the flow of the internal standard substance, so that the first light hydrocarbon component and the internal standard substance are mixed according to a preset ratio to form a mixture to be measured.
The inlet end of the third cold-hot trap 209 is connected with the outlet end of the flow regulator 202, so that the mixture to be measured enters the third cold-hot trap 209 for enrichment, the outlet end of the third cold-hot trap 209 is connected with the inlet end of the chromatograph 211, and the third cold-hot trap 209 is heated up instantly, so that the enriched mixture to be measured is vaporized and then enters the chromatograph 211 for chromatographic analysis. The third temperature controller 212 is connected to the third cold-hot trap 209 to control the temperature of the third cold-hot trap 209.
The carrier gas bottle 208 is used for providing carrier gas, the outlet end of the carrier gas bottle 208 is connected with the outlet end of the flow regulator 202 and then connected with the inlet end of the third cold and hot trap 209, and the pressure controller is connected with the outlet end of the carrier gas to control the flow rate of the carrier gas.
The vacuumizing device is used for vacuumizing the separation and collection and online quantitative device.
The following specifically describes the structure of connection of the separation collection and the in-line quantifying means in this embodiment.
As shown in fig. 1, the inlet end of the first cold-hot trap 103 is connected to the hydrocarbon discharge container 101 through a first line, and the first line is provided with a first valve 102; the outlet end of the first cold-hot trap 103 is connected with the inlet end of the drying device 107 through a second pipeline, a second valve 106 is arranged on the second pipeline, the outlet end of the drying device 107 is connected with a second cold-hot trap 109 through a third pipeline, and a third valve 108 is arranged on the third pipeline; the outlet end of the first cold-hot trap 103 is connected with the gas quantitative collector through a fourth pipeline, and a fourth valve 104 is arranged on the fourth pipeline.
The outlet end of the second cold-hot trap 109 is connected with a fifth pipeline, a fifth valve 110 is arranged on the fifth pipeline, the outlet end of the fifth pipeline is used as the outlet end of the separation and collection system, the outlet end of the fifth pipeline is connected with the inlet end of the flow regulator 202 through a seventh pipeline, and the seventh pipeline is provided with a seventh valve 201; the air exhaust end of the vacuum pump 112 is connected with a sixth pipeline, a sixth valve 111 is arranged on the sixth pipeline, and the other end of the sixth pipeline is connected with the outlet end of the fifth pipeline and the inlet end of the seventh pipeline; the outlet end of the sample marking device is connected with the flow regulator 202 through an eighth pipeline, and an eighth valve is arranged on the sixth pipeline.
The outlet end of the flow regulator 202 is connected with a ninth pipeline, the outlet end of the carrier gas bottle 208 is connected with a tenth pipeline, the outlet end of the ninth pipeline and the outlet end of the tenth pipeline are connected together and then connected with the inlet end of a third cold and hot trap 209, a ninth valve is arranged on the ninth pipeline, and a tenth valve 206 is arranged on the tenth pipeline; meanwhile, the pressure controller is connected to the outlet end of the carrier gas bottle 208; the outlet end of the third cold-hot trap 209 is connected with the inlet end of the chromatograph 211 through an eleventh pipeline.
The second aspect of the present invention provides a method for separating, collecting and quantifying light hydrocarbon components on-line, using the above-mentioned separating, collecting and quantifying device, as shown in fig. 2, comprising the following steps:
s1: passing the hydrocarbon-bearing fluid in the hydrocarbon discharge vessel 101 to a separation and collection system;
s2: controlling the temperature of the separation and collection system to separate the first light hydrocarbon component from the oil-containing gas fluid, and further separating and purifying the first light hydrocarbon component;
s3: enabling the first light hydrocarbon component to enter an online quantitative system, and adding an internal standard substance in a preset proportion into the first light hydrocarbon component to form a mixture to be detected;
s4: allowing the mixture to be tested to enter a chromatograph 211 for chromatographic analysis and obtaining a chromatographic result;
s5: and carrying out quantitative calculation by adopting an internal standard method according to the obtained chromatographic result.
In the invention, because different light hydrocarbon components have different melting boiling points, the separation and collection system can separate the first light hydrocarbon component from the oil-containing gas fluid through temperature control and further purify and separate the first light hydrocarbon component, thereby accurately obtaining the first light hydrocarbon component and realizing the effective separation of light hydrocarbon products. Meanwhile, a standard sample device is added in the online quantitative system to add an internal standard substance with a preset proportion into the obtained first light hydrocarbon component, so that online quantitative analysis of light hydrocarbon products is realized. In addition, the separation and collection system directly flows into the online quantitative system for quantitative analysis after separating out the first light hydrocarbon component, so that the influence of the loss of the light hydrocarbon component on the quantitative test can be avoided.
Preferably, before step S1, the method further includes:
step S0: and (4) vacuumizing the separation, collection and online device.
Specifically, step S2 includes the following sub-steps:
s21: setting the temperature of the first cold and hot trap 103 as a first set temperature, and enabling the hydrocarbon-containing fluid generated by the hydrocarbon discharging container 101 to enter the first cold and hot trap 103 for freezing and collecting;
s22: setting the temperature of the first cold-hot trap 103 to a second set temperature, vaporizing and separating the second light hydrocarbon component in the oil-gas-containing fluid, and collecting the vaporized second light hydrocarbon component by the gas quantitative collection device 105;
s23: setting the temperature of the first cold-hot trap 103 to a third set temperature, so that the first light hydrocarbon component in the oil-gas-containing fluid is vaporized and separated;
s24: setting the temperature of the second cold-hot trap 109 to a fourth set temperature, so that the vaporized first light hydrocarbon component enters the second cold-hot trap 109 for liquefaction and enrichment;
s25: the temperature of the second cold-hot trap 109 is set to a third set temperature, so that the liquefied first light hydrocarbon component is vaporized and separated again, and the first light hydrocarbon component is further separated and purified.
The first light hydrocarbon product can be effectively separated and further purified by the first cold-hot trap 103 and the second cold-hot trap 109 through temperature control, so that the first light hydrocarbon component is accurately obtained, and the accuracy of an analysis result is ensured.
Meanwhile, the first cold-hot trap 103 can separate and collect the second light hydrocarbon component and the first light hydrocarbon component by temperature control, and first separates the second light hydrocarbon component from the oil-containing gas fluid, and then separates the first light hydrocarbon component from the oil-containing gas fluid, which is beneficial to more accurately and effectively separating the first light hydrocarbon component.
Specifically, step S4 includes the following sub-steps:
s41: the mixture to be tested is carried to the third cold and hot trap 209 by the carrier gas for enrichment;
s42: and raising the temperature of the third cold-hot trap 209 to a fifth set temperature, so that the mixture to be detected is instantly vaporized and enters a chromatograph 211 for chromatographic analysis, and a chromatographic result is obtained.
Wherein, the third cold-hot trap 209 can concentrate the sample before sample analysis, and raise the temperature instantly to make the mixture to be measured vaporized and then sample analysis in a centralized way, thereby achieving the best analysis effect.
Example eight
The first light hydrocarbon component in this example is C 5 -C 8 Light hydrocarbon component, the second light hydrocarbon component being C 1 -C 4 Light hydrocarbon components. The following description specifically explains C 5 -C 8 The separation and collection and on-line quantitative method of light hydrocarbon components comprises the following steps:
firstly, before the light hydrocarbon products are separated and collected, the separation, collection and on-line quantitative device are vacuumized.
In the second step, the temperature of the first hot and cold trap 103 is set to-60 ℃ by the first temperature controller 114, while the hydrocarbon-containing fluid product is frozen in the first hot and cold trap 103.
Thirdly, after the temperature of the first hot and cold trap 103 is controlled to 0 ℃ and stabilized by the first temperature controller 114, the fourth valve 104 is opened to enable C 1 -C 4 The gaseous hydrocarbons pass through the fourth valve 104 to the gas dosing accumulator for collection.
Fourthly, the temperature of the first hot and cold trap 103 is set to 130 ℃ by the first temperature controller 114, so that C is controlled 5 -C 8 The light hydrocarbon components are vaporized and separated, and the moisture is removed by the drying device 107.
In the fifth step, the temperature of the second hot and cold trap 109 is set to-20 c by the second temperature controller 115,c flowing out of the outlet end of the drying device 107 5 -C 8 The gaseous hydrocarbon enters the second cold and hot trap 109 to be liquefied and enriched; then, the temperature of the second cold-hot trap 109 is adjusted by the second temperature controller 115 to 130 ℃ to further separate and purify C 5 -C 8 Light hydrocarbon components.
Sixthly, controlling the opening and closing of the fifth valve 110, the seventh valve 201 and the eighth valve to ensure that C 5 -C 8 The light hydrocarbon component and the internal standard substance enter the electronic flow regulator 202 for flow regulation (i.e., the internal standard method is adopted to add the internal standard substance into the light hydrocarbon component for light hydrocarbon component quantification).
Seventhly, the temperature of the third hot and cold trap 209 is adjusted to-80 ℃ by the third temperature controller 212 and is balanced for a period of time.
Eighth, the ninth valve and the tenth valve 206 are controlled to open and close to adjust the C after the electronic flow regulator 202 adjusts 5 -C 8 The light hydrocarbon component and the internal standard substance are carried by the carrier gas controlled by the first pressure controller 113 to the third hot and cold trap 209 for enrichment.
Ninth, the third temperature controller 212 heats the third-stage cold and hot trap to 300 ℃, and the eleventh valve 210 is opened to enable the temperature C to be higher 5 -C 8 The light hydrocarbon component and the internal standard substance enter the chromatograph 211 for chromatographic analysis to detect the hydrocarbon component and obtain a chromatographic result.
And tenth step, after the sample is analyzed, carrying out quantitative calculation by an internal standard method.
After the quantitative analysis is complete, the above steps can be repeated for the next set of sample tests.
Example nine
In this embodiment, the method for separating, collecting and online quantifying light hydrocarbon components includes the following steps:
in the first step, before the light hydrocarbon product is separated and collected, the first valve 102 and the eleventh valve 210 are closed, the second valve 106, the third valve 108, the fourth valve 104, the fifth valve 110, the sixth valve 111, the seventh valve 201, the eighth valve, the ninth valve and the tenth valve 206 are opened, the vacuum pump 112 is started, the vacuum pump 112 is controlled by the second pressure controller 207 to vacuumize the separation and collection and online quantitative device, and when the vacuum state is stable, the second valve 106 and the fourth valve 104 are closed.
And secondly, setting the temperature of the first cold and hot trap 103 to be-60 ℃ through the first temperature controller 114, opening the first valve 102 after the temperature is stable, enabling the oil-containing gas fluid generated in the hydrocarbon discharging container 101 to enter the first cold and hot trap 103 for freezing and collecting, closing the first valve 102 after the product is completely collected, and balancing for 2-5 minutes.
Thirdly, regulating the first temperature controller 114 to control and stabilize the temperature of the first hot and cold trap 103 at 0 ℃, and opening the fourth valve 104, wherein C is 1 -C 4 The gaseous hydrocarbon enters the gas quantitative collector through the fourth valve 104, thereby realizing C 1 -C 4 And quantitatively collecting the gas.
Fourthly, the fourth valve 104 is closed, and the temperature of the primary cold and hot trap is set to 130 ℃ by the first temperature controller 114, at which temperature C is set 8 The above hydrocarbon component not reaching boiling point, C 5 -C 8 The light hydrocarbon component reaches boiling point and is gaseous hydrocarbon, after the temperature is stabilized, the third valve 108 is closed, the second valve 106 is opened, and C is 5 -C 8 The gaseous hydrocarbon enters the drying device 107 through the second valve 106 to remove moisture.
The fifth step is to set the temperature of the second hot and cold trap 109 to-20 ℃ by the second temperature controller 115, close the fifth valve 110, open the third valve 108, and discharge the C from the outlet of the drying device 107 5 -C 8 The gaseous hydrocarbon enters the second cold-hot trap 109 through the third valve 108 for liquefaction and enrichment, the second temperature controller 115 is adjusted to set the temperature of the second cold-hot trap at 130 ℃, and the separation and purification C is further carried out 5 -C 8 Light hydrocarbon components.
Sixthly, closing the third valve 108, the sixth valve 111, the eighth valve and the ninth valve, and after 2-5min, closing the seventh valve 201 and opening the eighth valve to enable C 5 -C 8 The light hydrocarbon component and the internal standard substance enter the electronic flow regulator 202 for flow regulation (i.e. the internal standard method is adopted to add the internal standard substance into the light hydrocarbon component)Light hydrocarbon component quantification).
And seventhly, regulating the temperature of the three-stage cold and hot trap to-80 ℃ through a third temperature controller 212, and balancing for 2-5 min.
The eighth step, closing the seventh valve 201 and the eighth valve, and opening the ninth valve 206 and the tenth valve to make the electronic flow regulator 202 regulate the regulated C 5 -C 8 The light hydrocarbon components and the internal standard substance are carried to a third cold-hot trap 209 for enrichment by the carrier gas controlled by the second pressure controller 207;
the ninth step, the seventh valve 201 and the eighth valve are closed, the third hot and cold trap 209 is rapidly heated to 300 ℃ by the third temperature controller 212, and the eleventh valve 210 is opened to enable C 5 -C 8 The light hydrocarbon components and the internal standard substance enter a chromatograph 211 for chromatographic analysis, the hydrocarbon components are detected, and a chromatographic result is obtained;
and step ten, after the sample is analyzed, carrying out quantitative calculation by an internal standard method according to the obtained chromatographic result.
After the quantitative analysis is complete, the above steps can be repeated for the next set of sample tests.
It should be noted that the terms "first", "second" … … are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a separation of light hydrocarbon components is collected and online proportioning device which characterized in that includes: a separation and collection system and an on-line quantitative system,
wherein the inlet end of the separation and collection system is connected to a hydrocarbon discharge vessel for providing a hydrocarbon-containing fluid product to receive the hydrocarbon-containing fluid product, and the separation and collection system separates and further separates and purifies the first light hydrocarbon component from the hydrocarbon-containing fluid product through temperature control;
the online quantifying system comprises: a chromatograph and a standard sample device for providing an internal standard substance,
the outlet end of the separation and collection system is connected with the outlet end of the standard sample device and then is connected with the inlet end of the chromatograph, so that the first light hydrocarbon component and the internal standard substance are mixed according to a preset proportion and then enter the chromatograph for chromatographic analysis.
2. The device of claim 1, wherein the on-line dosing system further comprises:
the inlet end of the flow regulator is respectively connected with the separation and collection system and the outlet end of the standard sample device, and the outlet end of the flow regulator is connected with the inlet end of the chromatograph;
the flow regulator is used for respectively regulating the flow of the first light hydrocarbon component and the flow of the internal standard substance, so that the first light hydrocarbon component and the internal standard substance are mixed according to a preset proportion to form a mixture to be measured.
3. The device of claim 2, wherein the on-line dosing system further comprises:
and the inlet end of the third cold-hot trap is connected with the outlet end of the flow regulator so that a mixture to be detected enters the third cold-hot trap for enrichment, the outlet end of the third cold-hot trap is connected with the inlet end of the chromatograph, and the third cold-hot trap is heated instantly so that the enriched mixture to be detected enters the chromatograph for chromatographic analysis after being vaporized.
4. The device of claim 3, wherein the on-line dosing system further comprises:
and the outlet end of the carrier gas device is connected with the outlet end of the flow regulator and then is connected with the inlet end of the third cold and hot trap, and the carrier gas device is used for providing carrier gas to carry the mixture to be detected flowing out of the outlet end of the flow regulator to enter the third cold and hot trap at a preset flow rate for enrichment.
5. The separation collection and online quantification device of any one of claims 1 to 4, wherein the separation collection system comprises: a first cold-hot trap and a second cold-hot trap,
said first cold and hot trap having an inlet end connected to said hydrocarbon discharge vessel to receive said oil-gas-containing fluid product and being capable of separating said first light hydrocarbon component from said oil-gas-containing fluid product;
the inlet end of the second cold-hot trap is connected with the outlet end of the first cold-hot trap to receive the first light hydrocarbon component, and the second cold-hot trap can further separate and purify the first light hydrocarbon component.
6. The separation collection and online quantification device of claim 5, wherein the separation collection system further comprises: a first temperature controller and a second temperature controller,
the first temperature controller is connected with the first cold-hot trap to control the temperature of the first cold-hot trap;
and the second temperature controller is connected with the second hot and cold trap to control the temperature of the second hot and cold trap.
7. The separation collection and online quantification device of claim 5, wherein the separation collection system further comprises:
a gas quantitative collector connected to the outlet end of the first cold-hot trap to collect a second light hydrocarbon component in the hydrocarbon-containing fluid product;
wherein the second light hydrocarbon component is different from the first light hydrocarbon component.
8. The separation collection and online quantification device of any one of claims 1 to 4, further comprising:
and the air exhaust end of the vacuumizing device is respectively communicated with the separation and collection system and the online quantitative system.
9. A method for separating, collecting and quantifying light hydrocarbon components on line, which adopts the device for separating, collecting and quantifying light hydrocarbon components as claimed in any one of the claims 1 to 8, and is characterized by comprising the following steps:
s1: passing the hydrocarbon-containing fluid in the hydrocarbon removal vessel to a separation and collection system;
s2: controlling the temperature of the separation and collection system to separate the first light hydrocarbon component from the oil-containing gas fluid, and further separating and purifying the first light hydrocarbon component;
s3: enabling the first light hydrocarbon component to enter an online quantitative system, and adding an internal standard substance in a preset proportion into the first light hydrocarbon component to form a mixture to be detected;
s4: enabling the mixture to be detected to enter a chromatograph for chromatographic analysis and obtaining a chromatographic result;
s5: and carrying out quantitative calculation by adopting an internal standard method according to the obtained chromatographic result.
10. The separation collection and online quantification method of claim 9, wherein the step S2 comprises the following sub-steps:
s21: setting the temperature of the first cold and hot trap as a first set temperature, and enabling the hydrocarbon-containing fluid generated by the hydrocarbon discharging container to enter the first cold and hot trap for freezing and collecting;
s22: setting the temperature of the first cold-hot trap as a second set temperature, vaporizing and separating a second light hydrocarbon component in the oil-gas-containing fluid, and collecting the vaporized second light hydrocarbon component through a gas quantitative collection device;
s23: setting the temperature of the first cold-hot trap as a third set temperature to vaporize and separate the first light hydrocarbon component in the oil-gas-containing fluid;
s24: setting the temperature of the second cold-hot trap as a fourth set temperature, so that the vaporized first light hydrocarbon component enters the second cold-hot trap for liquefaction and enrichment;
s25: and setting the temperature of the second cold-hot trap as a third set temperature, and vaporizing and separating the liquefied first light hydrocarbon component again to further separate and purify the first light hydrocarbon component.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1446940A (en) * | 1972-11-10 | 1976-08-18 | Raffinage Cie Francaise | Process and apparatus for analysis by gas chromatography |
| US20100148780A1 (en) * | 2006-12-02 | 2010-06-17 | Schlumberger Technology Corporation | System and method for qualitative and quantitative analysis of gaseous components of multiphase hydrocarbon mixtures |
| CN103575834A (en) * | 2012-08-01 | 2014-02-12 | 中国石油化工股份有限公司 | Enrichment device and enrichment method for light hydrocarbon in dry gas |
| CN103592380A (en) * | 2013-10-24 | 2014-02-19 | 中国石油天然气股份有限公司 | Quantitative analysis method of liquid-state products of hydrocarbon generation and expulsion simulation experiment |
| CN105954365A (en) * | 2015-12-29 | 2016-09-21 | 上海神开石油化工装备股份有限公司 | Gas logging instrument being suitable for C1-C8 oil gas quick logging |
| CN107843655A (en) * | 2016-09-20 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of device and method of rock air content and C1 C15 light hydrocarbon component joint tests |
| AU2020100284A4 (en) * | 2020-02-26 | 2020-04-09 | University Of Science And Technology Of China | Enrichment and Purification Device for Single Gas in Mixed Gas |
-
2021
- 2021-03-23 CN CN202110309675.4A patent/CN115108879A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1446940A (en) * | 1972-11-10 | 1976-08-18 | Raffinage Cie Francaise | Process and apparatus for analysis by gas chromatography |
| US20100148780A1 (en) * | 2006-12-02 | 2010-06-17 | Schlumberger Technology Corporation | System and method for qualitative and quantitative analysis of gaseous components of multiphase hydrocarbon mixtures |
| CN103575834A (en) * | 2012-08-01 | 2014-02-12 | 中国石油化工股份有限公司 | Enrichment device and enrichment method for light hydrocarbon in dry gas |
| CN103592380A (en) * | 2013-10-24 | 2014-02-19 | 中国石油天然气股份有限公司 | Quantitative analysis method of liquid-state products of hydrocarbon generation and expulsion simulation experiment |
| CN105954365A (en) * | 2015-12-29 | 2016-09-21 | 上海神开石油化工装备股份有限公司 | Gas logging instrument being suitable for C1-C8 oil gas quick logging |
| CN107843655A (en) * | 2016-09-20 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of device and method of rock air content and C1 C15 light hydrocarbon component joint tests |
| AU2020100284A4 (en) * | 2020-02-26 | 2020-04-09 | University Of Science And Technology Of China | Enrichment and Purification Device for Single Gas in Mixed Gas |
Non-Patent Citations (1)
| Title |
|---|
| 胡徐彦: "某轻烃回收系统的设计", 《油气田地面工程》, vol. 32, no. 12, 31 December 2013 (2013-12-31), pages 71 - 72 * |
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