CN219822241U - Sample oil storage device for checking oil chromatographic device - Google Patents
Sample oil storage device for checking oil chromatographic device Download PDFInfo
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- CN219822241U CN219822241U CN202320299896.2U CN202320299896U CN219822241U CN 219822241 U CN219822241 U CN 219822241U CN 202320299896 U CN202320299896 U CN 202320299896U CN 219822241 U CN219822241 U CN 219822241U
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- 238000003860 storage Methods 0.000 title claims abstract description 115
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims description 43
- 238000004587 chromatography analysis Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000012795 verification Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 11
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 25
- 238000009826 distribution Methods 0.000 description 6
- 238000012806 monitoring device Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a sample oil storage device for calibrating an oil chromatographic device, which comprises a storage bag, an oil inlet and an oil outlet and an exhaust port, wherein the oil inlet and the oil outlet and the exhaust port are arranged on the storage bag; the oil inlet and outlet is connected with an oil inlet and outlet valve in a sealing way and used for opening and closing the oil inlet and outlet; the exhaust port is connected with an exhaust overflow valve in a sealing way and is used for opening and closing the exhaust port. On the one hand, when the oil inlet and outlet ports are used for oil inlet, the gas in the storage bag can be completely discharged through the gas outlet, after the standard sample oil flows out from the gas outlet, the oil inlet and outlet ports and the gas outlet overflow valve are respectively closed, so that the sealed storage of the standard sample oil is realized, further, the phenomenon that the actual components of the standard sample oil are different from the components in the injection process, the sample oil is distorted and the subsequent verification result is influenced is avoided; on the other hand, the sample oil is pumped out without a power supply or an air source, the storage bag is placed at a high position, and the stable oil inlet of the oil chromatographic device can be completed through the self-suction of the oil chromatographic device.
Description
Technical Field
The utility model belongs to the technical field of storage devices, and particularly relates to a sample oil storage device for calibrating an oil chromatographic device.
Background
Transformers are one of the important operating devices in an electrical power system. The on-line monitoring device for the dissolved gas in the oil is equipment capable of effectively monitoring the running state of the transformer and carrying out early warning on possible faults, and is widely applied to substations above 110 kV. With the increase of the running time, the on-line monitoring device for the dissolved gas in a large amount of oil, such as an oil chromatographic device, may have the phenomena of equipment aging and the like, so that serious problems of data error increase, accuracy reduction, repeatability increase and the like occur, and the problems of false alarm, missing alarm and the like frequently occur. According to the latest standard requirements of the technical Specification of on-line monitoring devices for dissolved gas in QGDW10536-2021 transformer oil, the verification period of the oil chromatographic device of a transformer substation of 750kV and above is 1 year, and the other is preferably not more than 2 years. Therefore, the calibration work of the oil chromatography device is of great importance.
In the prior art, on-site verification of an on-line monitoring device for dissolved gas in oil is generally carried out by using standard sample oil with a certain concentration configured in a laboratory, so that on-line monitoring data and off-line data are compared, and further reliability of the on-line monitoring device is evaluated and verified. The key of the mode is how to provide stable standard sample oil so as to ensure the accuracy of the verification of the on-line monitoring device of the dissolved gas in the oil, and further ensure the safe and stable operation of the transformer. However, in the prior art, a spring type constant pressure oil storage tank or a gas cylinder is generally adopted for constant pressure, the device is heavy and needs to be carried by multiple persons, the device needs a power supply or a gas source for normal use, and when a temporary power supply is accessed, sufficient safety guarantee is often lacked, so that the mode is time-consuming and labor-consuming to implement, and is unfavorable for the development of verification work.
Therefore, it is quite practical for a person skilled in the art how to provide a sample oil storage device for calibrating an oil chromatography device, which is convenient to carry and use standard sample oil, and solve or improve at least one of the above technical problems.
Disclosure of Invention
In order to solve at least one technical problem, the utility model provides a sample oil storage device for calibrating an oil chromatographic device, which comprises a storage bag, an oil inlet and an oil outlet and an air outlet, wherein the oil inlet and the air outlet are arranged on the storage bag;
the oil inlet and outlet is connected with an oil inlet and outlet valve in a sealing way and used for opening and closing the oil inlet and outlet;
the exhaust port is connected with an exhaust overflow valve in a sealing way and is used for opening and closing the exhaust port.
As an alternative to the sample oil storage device for a calibration oil chromatography device of the present utility model, it includes a sampling oil port and a sampling oil valve for opening and closing the sampling oil port.
As an alternative to the sample oil storage device for verifying an oil chromatography device of the present utility model, it further comprises a tee and a main oil valve; the first end of the three-way pipe is connected with the storage bag, and a main oil valve is arranged between the three-way pipe and the storage bag; an oil inlet and an oil outlet are formed in the second end of the three-way pipe, and an oil inlet and outlet valve is arranged between the three-way pipe and the oil inlet and outlet; the third end of the three-way pipe is provided with a sampling port, and a sampling oil valve is arranged between the three-way pipe and the sampling port.
As an alternative to the sample oil storage device for verifying an oil chromatography device of the present utility model, the oil inlet and outlet valve, the exhaust overflow valve, the sample oil valve, and the main oil valve are manual valves.
As an alternative to the sample oil storage device for a calibration oil chromatography device of the present utility model, the oil inlet and outlet ports are quick-connect or threaded connections.
As an alternative to the sample oil storage device for verifying an oil chromatography device of the present utility model, an oil-proof gasket is provided between the air outlet and the storage bag, and/or an oil-proof gasket is provided between the oil inlet and outlet of the main oil valve and the storage bag.
As an alternative to the sample oil storage device for calibrating an oil chromatography device of the present utility model, the oil-resistant gasket is a fluororubber gasket or a polytetrafluoroethylene gasket.
As an alternative to the sample oil storage device for a calibration oil chromatography device of the present utility model, the storage bag is made of a flexible light-resistant material.
As an alternative to the sample oil storage device for verifying an oil chromatography device of the present utility model, the storage bag is an aluminum foil bag or a plastic bag or a rubber bag.
As an alternative to the sample oil storage device for calibrating an oil chromatography device of the present utility model, the oil inlet and outlet ports are provided on the side of the storage bag, or/and the gas outlet port is provided on the top surface of the storage bag.
Compared with the prior art, the sample oil storage device for calibrating the oil chromatographic device provided by the utility model at least has the following beneficial effects:
the utility model relates to a sample oil storage device for calibrating an oil chromatographic device, which is characterized in that: on the one hand: the storage bag is provided with an oil inlet and an oil outlet, when the oil inlet and the oil outlet are used for oil inlet, the gas in the storage bag can be completely discharged through the air outlet, and after the standard sample oil flows out from the air outlet, the oil inlet and the air outlet are respectively closed through an oil inlet valve and an oil outlet overflow valve, so that the sealed storage of the standard sample oil is realized, further, other impurities are prevented from being mixed, the real components of the standard sample oil are different from the components in the injection process, the sample oil is distorted, and the subsequent verification result is influenced; on the other hand: the oil chromatographic device can stably feed oil by self-sucking force of the oil chromatographic device without power supply or air source pump out the sample oil, and the storage bag is placed at a high position. The device has simple structure, simple operation and convenient carrying, can permanently store the gas component content, and meets the requirement of on-site verification.
Drawings
Fig. 1 is a schematic structural view according to an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a further embodiment according to the present utility model.
Fig. 3 is a schematic structural view of a further embodiment according to the present utility model.
In the figure: 1. a storage bag; 2. an oil inlet and outlet; 3. an exhaust port; 4. an oil inlet and outlet valve; 5. an exhaust overflow valve; 6. a sampling oil port; 7. a sampling oil valve; 8. a three-way pipe; 9. a main oil valve.
Detailed Description
The utility model is further described below with reference to examples.
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are some, but not all, embodiments of the present utility model, and all other embodiments obtained by persons of ordinary skill in the art without inventive labor based on the described embodiments of the present utility model are included in the scope of protection of the present utility model.
The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.
Referring to fig. 1-3, the present utility model provides a sample oil storage device for calibrating an oil chromatography device, comprising a storage bag 1, an oil inlet and outlet 2 and an air outlet 3 arranged on the storage bag 1; specifically, the positions, the number, the shapes, etc. of the oil inlet and outlet ports 2 and the exhaust ports 3 may be arbitrarily set by those skilled in the art. Preferably, the oil inlet and outlet port 2 is optionally but not limited to arranged at the side surface of the storage bag 1 so as to be connected with an external device, such as an oil chromatography device; a vent, optionally but not limited to, is provided on the top surface of the storage bag 1 to facilitate adequate venting of the gas.
The oil inlet and outlet 2 is connected with an oil inlet and outlet valve 4 in a sealing way and is used for opening and closing the oil inlet and outlet 2;
the exhaust port 3 is hermetically connected with an exhaust relief valve 5 for opening and closing the exhaust port 3.
The working process of the sample oil storage device for checking the oil chromatographic device comprises an oiling step and a checking step, and the working principle is as follows:
oiling: connecting an oil inlet and outlet port 2 with an oil distribution machine, and opening an oil inlet and outlet valve 4 and an exhaust overflow valve 5 to start oil injection; in particular, the machine, optionally but not exclusively, provides a standard sample oil, which is a sample oil having a concentration and a known gas composition. The standard sample oil enters the storage bag 1 from the oil inlet and outlet valve 4, and along with the injection of the standard sample oil, the gas in the storage bag 1 is discharged from the gas outlet 4, and after the standard sample oil flows out from the gas outlet 4 at the upper part, the storage bag 1 is fully filled with the standard sample oil, and the gas in the storage bag is completely discharged; at this time, the exhaust relief valve 5 and the oil inlet and outlet valve 4 are closed, the oil distribution machine is closed, and the oil injection step is completed.
And (3) checking: preferably, the storage bag is placed at a high place such as the top of a cabinet body, the oil inlet and outlet 2 is connected with the oil inlet of the oil chromatography device, the oil outlet of the oil chromatography device is connected with the waste oil barrel, the oil inlet and outlet valve 4 is opened, and the stable oil inlet of the oil chromatography device can be completed through the self-suction of the oil chromatography device. In the verification step, the oil chromatographic device is used for detecting the standard sample oil in the storage bag 1, then the detection data of the oil chromatographic device on the standard sample oil and the known data of the standard sample oil are compared and analyzed, whether the detection of the data of the oil chromatographic device is accurate or not can be verified, errors exist, and various coefficients of the oil chromatographic device are corrected according to error results.
It should be noted that the above-mentioned method for detecting the oil chromatography device online and the method for completing the verification through the absolute error and the relative error are conventional methods in the art, and are not described herein, and refer to the patent of publication No. CN113777240 a. The utility model relates to a sample oil storage device for calibrating an oil chromatographic device, which is characterized in that: on the one hand: the storage bag 1 is provided with an oil inlet and outlet 2 and an air outlet 3, when the oil inlet and outlet 2 is filled with oil, the air in the storage bag 1 can be completely discharged through the air outlet 3, after the standard sample oil flows out from the air outlet 3, the oil inlet and outlet 2 and the air outlet 3 are respectively closed through an oil inlet and outlet valve 4 and an air outlet overflow valve 5, so that the sealed storage of the standard sample oil is realized, other impurities are prevented from being mixed in the oiling process, the verification process and the daily storage process as much as possible, the actual components of the standard sample oil are different from the components in the injection process, the sample oil is distorted, the subsequent verification result is influenced, and the verification accuracy of the oil chromatographic device is improved; on the other hand: the oil chromatographic device can be stably filled with oil by self-sucking through the oil chromatographic device, and the operation is simple and convenient and the cost is low. In general, the device has simple structure, simple operation and convenient carrying, can permanently store the stable and unchanged content of the gas components, and meets the requirement of on-site verification.
Preferably, as shown in fig. 2, in some embodiments of the present utility model, a sampling oil port 6 and a sampling oil valve 7 are further included, the sampling oil valve 7 being used to open and close the sampling oil port 6. Specifically, the sampling port 6 is configured to sample from the storage bag 1. It should be understood that the sampling port 6 may be directly disposed on the storage bag 1 as shown in fig. 2, or may be disposed outside the storage bag 1 as shown in fig. 3, and the position thereof may be arbitrarily set as long as sampling from the storage bag 1 is enabled. Similarly, the number, position, shape, etc. of the sampling ports 6 can be arbitrarily set.
In this embodiment, the sampling port 6 and the sampling oil valve 7 are added to facilitate sampling from the storage bag 1, and then the standard sample oil taken out is detected, for example, the standard sample oil in the storage bag 1 can be detected in a laboratory. The advantage of this is: when the sample oil storage device is used for a period of time, the standard sample oil in the storage bag 1 may be different from the standard sample oil just injected before due to leakage of the air outlet 3, and the gas component of the standard sample oil is mixed with other gases or leaks some gases, that is, the standard sample oil itself is changed, so that verification errors are caused. At this time, if the sampling port 6 and the sampling oil valve 7 are additionally arranged, after the sampling oil storage device is used for a period of time, the existing standard sample oil in the sampling oil storage device is regularly taken out a bit and brought into a laboratory to perform inspection, which is equivalent to performing further rechecking inspection on the existing standard sample oil components in the storage bag 1, so that the phenomenon of checking errors caused by the change of the sample oil is avoided. Of course, at the beginning of the manufacture of the sample oil storage device, when standard sample oil is injected through the oil distribution machine, the standard sample oil injected into the storage device is slightly different from the standard sample oil in the oil distribution machine due to the unavoidable slight defect of the sealing of the oil inlet and outlet ports 2 and the air outlet port 3, and at the moment, the difference can be completely eliminated through the sampling inspection of the oil sampling port 6, so that the accurate component value of the standard sample oil is obtained, and the verification accuracy of the oil chromatographic device is further improved.
Preferably, as shown in fig. 3, in some embodiments of the present utility model, a tee 8 and a main oil valve 9 are further included; the first end of the three-way pipe 8 is connected with the storage bag 1, and a main oil valve 9 is arranged between the three-way pipe 8 and the storage bag 1; the second end of the three-way pipe 8 is provided with an oil inlet and outlet 2, and an oil inlet and outlet valve 4 is arranged between the three-way pipe 8 and the oil inlet and outlet 2; the third end of three-way pipe 8 is provided with sample connection 6, is provided with sample oil valve 7 between three-way pipe 8 and the sample connection 6.
In the embodiment, a main oil port of the storage bag 1 is connected through a tee pipe 8, and an oil inlet and outlet port 2 and a sampling oil port 6 are respectively arranged; the main oil valve 9 is used for opening and closing a main oil port between the main oil valve 9 and the storage bag 1, the oil inlet and outlet valve 4 is used for opening and closing the oil inlet and outlet valve 4, the sampling oil valve 7 is used for opening and closing the sampling oil port 6, and compared with the oil port and oil valve setting mode shown in fig. 2, the three-way pipe is adopted and is matched with three switching valves, so that pipeline materials are saved, arrangement is simpler, and operation is simpler and more convenient.
Specifically, in this embodiment:
oiling: opening an oil inlet and outlet valve 4, a main oil valve 9 and an exhaust overflow valve 5, wherein an oil inlet and outlet port 2 at the second end of the three-way pipe 8 is connected with an oil distributing machine for oil injection; and the standard sample oil sequentially enters the storage bag 1 through the second end of the three-way pipe 8 and the first end of the three-way pipe 8, gas in the storage bag 1 is discharged from the exhaust overflow valve 5, after the standard sample oil flows out from the exhaust overflow valve 5, the main oil valve 9, the oil inlet and outlet valve 4 and the oil distributing machine are closed, and the oiling step is completed.
And (3) checking: the storage bag is placed at a high place such as the top of a cabinet body, an oil inlet of the oil chromatography device is connected with an oil inlet and outlet 4 at the second end of the three-way pipe 8, an oil outlet of the oil chromatography device can be connected with a waste oil barrel, the oil inlet and outlet valve 4 and the main oil valve 9 are opened, and stable oil inlet of the oil chromatography device can be completed through self-suction of the oil chromatography device. In the verification process, the oil chromatographic device is utilized to detect the standard sample oil, and then the detection data of the oil chromatographic device on the standard sample oil and the known data of the standard sample oil are compared to complete the verification of the oil chromatographic device. When sampling is needed, the main oil valve 9 and the sampling oil valve 7 are opened, and sampling is completed from the sampling oil port 6 at the third end of the three-way pipe 8.
It should be pointed out that, this device is preferential to be placed in the eminence such as rack top before using, makes thermal-insulated and anti-drop measure, and the sample oil uses and should ensure sufficient, avoids inhaling storage bag 1 to the negative pressure state, influences the original composition of its interior standard sample oil.
In some embodiments of the present utility model, the oil inlet and outlet valve 4, the exhaust relief valve 5, the sampling oil valve 7 and the main oil valve 9 are optionally, but not limited to, manual valves in order to improve automation of the oil filling and verification process, and to reduce labor intensity. When the oil inlet and outlet valve 4, the exhaust overflow valve 5, the sampling oil valve 7 and the main oil valve 9 are electromagnetic valves, the oil inlet and outlet port 2, the exhaust port 3, the sampling port 6 and the main oil port can be opened and closed in an electronic control mode.
In some embodiments of the present utility model, in order to achieve quick-connect or reliable connection of the oil inlet and outlet 2 and the oil distribution machine, the oil inlet and outlet 2 may be, but is not limited to, a quick-connect interface or a screw interface, and the oil inlet and outlet 2 may be connected to the oil distribution machine or the oil chromatography device through a hose. Similarly, the exhaust port 3 may be, but not limited to, a quick-connect port, and may be connected to a hose for exhausting.
In some embodiments of the present utility model, an oil-proof sealing pad is further disposed between the air outlet 3 and the storage bag 1, the oil-proof sealing pad can improve the tightness of the connection between the air outlet 3 and the storage bag 1, and similarly, an oil-proof sealing pad is further disposed between the oil inlet and outlet 2 and the storage bag 1, and the oil-proof sealing pad can improve the tightness of the connection between the oil inlet and outlet 2 and the storage bag 1. Preferably, the oil-proof sealing gasket is a fluororubber sealing gasket or a polytetrafluoroethylene sealing gasket, so that the sealing performance of the connection between the air outlet 3 and the storage bag 1 and/or between the oil inlet and outlet 2 and the storage bag 1 can be further improved.
In some embodiments of the present utility model, the storage bag 1 is made of flexible material, so as to be freely retractable during the process of filling and taking oil; by way of example, but not exclusively, an aluminum foil bag or a plastic bag or a rubber bag is selected, so that the storage bag 1 is made of a flexible, light-resistant and non-absorbing characteristic gas material dissolved in the oil, whereby a stable and durable gas component content of the standard-like oil in the storage bag 1 can be ensured. More specifically, the characteristic gas, optionally but not limited to one or more of hydrogen, methane, ethylene, ethane, acetylene, carbon monoxide, and carbon dioxide, is used to characterize whether the transformer is in normal operation. More specifically, the storage bag 1 may be transported and carried in a dedicated foam incubator.
In some embodiments of the present utility model, the oil inlet and outlet 2 and the air outlet 3 are respectively disposed on two opposite sides of the storage bag 1, it is understood that the air outlet overflow valve 5 should be located at the highest position of the storage bag after being filled with oil, the oil inlet and outlet 2 should be located at the opposite side or the lower point of the bottom of the storage bag, so that the air outlet 3 is located at the top and the oil inlet and outlet 2 is located at the bottom when being filled with oil, and the air in the storage bag 1 is completely discharged from the air outlet 3.
To sum up: the utility model relates to a sample oil storage device for calibrating an oil chromatographic device, which is characterized in that: on the one hand: the storage bag 1 is provided with an oil inlet and outlet 2 and an air outlet 3, when the oil inlet and outlet 2 is filled with oil, the air in the storage bag 1 can be completely discharged through the air outlet 3, after the standard sample oil flows out from the air outlet 3, the oil inlet and outlet 2 and the air outlet 3 are respectively closed through an oil inlet and outlet valve 4 and an air outlet overflow valve 5, so that the standard sample oil is hermetically stored, further other impurities are prevented from being mixed, the actual components of the standard sample oil are different from the components in the injection process, the sample oil is distorted, and the subsequent verification result is influenced; on the other hand: the oil chromatographic device can stably feed oil by self-sucking force of the oil chromatographic device without power supply or air source pump out the sample oil, and the storage bag is placed at a high position. The device has simple structure, simple operation and convenient carrying, can permanently store the gas component content, and meets the requirement of on-site verification.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs, the terms "comprising" or "comprises" and the like as used herein shall mean that the element or article preceding the term encompasses the element or article listed after the term and equivalents thereof without excluding other elements or articles, and that the terms "connected" or "connected" and the like shall not be limited to physical or mechanical connections, but shall also include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships that may also be correspondingly altered when the absolute position of the object being described is altered.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The sample oil storage device for verifying the oil chromatographic device is characterized by comprising a storage bag (1), an oil inlet and outlet (2) and an exhaust port (3) which are arranged on the storage bag (1);
the oil inlet and outlet (2) is hermetically connected with an oil inlet and outlet valve (4) for opening and closing the oil inlet and outlet (2);
the exhaust port (3) is connected with an exhaust overflow valve (5) in a sealing way and is used for opening and closing the exhaust port (3).
2. A sample oil storage device for use in calibrating an oil chromatography device according to claim 1, wherein:
the device also comprises a sampling oil port (6) and a sampling oil valve (7), wherein the sampling oil valve (7) is used for opening and closing the sampling oil port (6).
3. A sample oil storage device for use in calibrating an oil chromatography device according to claim 2, wherein:
the three-way pipe (8) and the main oil valve (9) are also included; the first end of the three-way pipe (8) is connected with the storage bag (1), and a main oil valve (9) is arranged between the three-way pipe (8) and the storage bag (1); an oil inlet and outlet (2) is arranged at the second end of the three-way pipe (8), and an oil inlet and outlet valve (4) is arranged between the three-way pipe (8) and the oil inlet and outlet (2); a sampling oil port (6) is arranged at the third end of the three-way pipe (8), and a sampling oil valve (7) is arranged between the three-way pipe (8) and the sampling oil port (6).
4. A sample oil storage device for use in calibrating an oil chromatography device according to claim 3, wherein: one or more of the oil inlet and outlet valve (4), the exhaust overflow valve (5), the sampling oil valve (7) and the main oil valve (9) are manual valves.
5. A sample oil storage device for use in calibrating an oil chromatography device according to claim 3, wherein: the oil inlet and outlet (2) or/and the air outlet (3) are quick-plug connectors or screw connectors.
6. A sample oil storage device for use in calibrating an oil chromatography device according to any of claims 1-5, wherein: an oil-proof sealing gasket is arranged between the air outlet (3) and the storage bag (1); or/and an oil-proof sealing gasket is arranged between the oil inlet and outlet (2) and the storage bag (1).
7. A sample oil storage device for use in calibrating an oil chromatography device according to claim 6, wherein: the oil-proof sealing gasket is a fluororubber sealing gasket or a polytetrafluoroethylene sealing gasket.
8. A sample oil storage device for use in calibrating an oil chromatography device according to any of claims 1-5, wherein: the storage bag (1) is made of flexible light-proof materials.
9. A sample oil storage device for verifying an oil chromatography device according to claim 8, wherein the storage bag (1) is an aluminum foil bag or a plastic bag or a rubber bag.
10. A sample oil storage device for use in calibrating an oil chromatography device according to any of claims 1-5, wherein: the oil inlet and outlet (2) is arranged on the side surface of the storage bag (1); or/and the exhaust port (3) is arranged on the top surface of the storage bag (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320299896.2U CN219822241U (en) | 2023-02-23 | 2023-02-23 | Sample oil storage device for checking oil chromatographic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320299896.2U CN219822241U (en) | 2023-02-23 | 2023-02-23 | Sample oil storage device for checking oil chromatographic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219822241U true CN219822241U (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320299896.2U Active CN219822241U (en) | 2023-02-23 | 2023-02-23 | Sample oil storage device for checking oil chromatographic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219822241U (en) |
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2023
- 2023-02-23 CN CN202320299896.2U patent/CN219822241U/en active Active
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