CN220438250U - Sweeping and trapping device with switchable solid-liquid flow paths - Google Patents
Sweeping and trapping device with switchable solid-liquid flow paths Download PDFInfo
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- CN220438250U CN220438250U CN202321394428.XU CN202321394428U CN220438250U CN 220438250 U CN220438250 U CN 220438250U CN 202321394428 U CN202321394428 U CN 202321394428U CN 220438250 U CN220438250 U CN 220438250U
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- 239000007788 liquid Substances 0.000 title claims abstract description 55
- 238000010408 sweeping Methods 0.000 title description 6
- 238000010926 purge Methods 0.000 claims abstract description 60
- 239000007787 solid Substances 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000012159 carrier gas Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000000642 dynamic headspace extraction Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 239000012855 volatile organic compound Substances 0.000 abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 39
- 108010063955 thrombin receptor peptide (42-47) Proteins 0.000 description 21
- 229910052757 nitrogen Inorganic materials 0.000 description 19
- 238000000034 method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of volatile organic compound pretreatment, in particular to a purging and trapping device with a switchable solid-liquid flow path, which is characterized in that a high-temperature six-way valve and a high-temperature rotary switching valve which are adjacently connected in series and are respectively provided with a plurality of valve ports are arranged, the trapping well and the dewatering well which are adjacently connected in series are connected with the high-temperature six-way valve, a transmission pipeline, a chromatographic carrier gas device and an evacuation pipeline are respectively connected with preset valve ports, and a solid purging device and a liquid purging device are respectively connected with different valve ports of the high-temperature rotary switching valve; through attemperator, heating block and heating rod and computer connection, can accurate accuse temperature respectively, satisfy preset high temperature requirement, ensured the accuracy to the sample analysis result.
Description
Technical Field
The utility model relates to the technical field of volatile organic compound pretreatment, in particular to a purging and trapping device with a switchable solid-liquid flow path.
Background
When detecting volatile organic compounds with low content, in order to prevent the detection instrument from being damaged due to the fact that the moisture content in the sample is too high, water needs to be removed through a water removal trap in advance, in the prior art, a solid sample and a liquid sample need to be treated by a purging and trapping device respectively, namely the purging and trapping device for the solid sample and the purging and trapping device for the liquid sample are purchased respectively, and the use cost is high; there are also very few devices capable of implementing the purge and trap of liquid samples and solid samples, but all the devices are switched by using electromagnetic valves, because volatile organic compounds pass through the internal flow path of the purge and trap device in a gaseous form, all the flow paths passing through the purge and trap device need heating and heat preservation treatment to prevent the volatile organic compounds from being condensed in the pipeline to cause content loss, and the passing electromagnetic valves also belong to a part of the flow paths, so that the solenoid valves also need to be heated, and cannot be completely isolated due to the sharing of liquid and solid in the purge part, the service life of the solenoid valves is greatly shortened under the condition of long-term heating, the heatable solenoid valves have higher cost, and the heating temperature is limited, and can only be heated to about 100 ℃ at most, so that the requirement of 200 ℃ high temperature meeting the analysis of all the volatile organic compounds cannot be reached, thereby causing inaccuracy of the analysis results of the samples.
Disclosure of Invention
The utility model discloses a sweeping and trapping device with a switchable solid-liquid flow path, and aims to solve the technical problems in the prior art.
The utility model adopts the following technical scheme: the utility model provides a solid-liquid flow path switchable sweeps trapping device, is connected by computer control, including adjacent high temperature six-way valve, high temperature rotatory switching valve, adjacent serial and the other end is connected respectively the trapping trap and the dewatering trap of the different valve ports of high temperature six-way valve, respectively with transmission line, chromatographic carrier gas device, the evacuation pipeline that the valve port of high temperature six-way valve is connected respectively, respectively with solid sweeping device and the liquid sweeping device that the different valve ports of high temperature rotatory switching valve are connected, transmission line links to each other with the detector, trapping trap with the dewatering trap is connected with attemperator respectively, high temperature six-way valve the high temperature rotatory switching valve all with the computer links to each other, by the connection and the switching of computer control all the valve ports for sweep trapping device and be solid flow path, liquid flow path intelligent switch sample introduction.
In some embodiments, the liquid sample sweeps trapping device, the connection structure of the high temperature six-way valve and the high temperature rotary switching valve is: the high-temperature six-way valve is provided with a valve port No. 1, a valve port No. 2, a valve port No. 3, a valve port No. 4, a valve port No. 5 and a valve port No. 6 which are respectively connected with the transmission pipeline, the chromatographic carrier gas device, the water trap, a valve port No. 1 arranged on the high-temperature rotary switching valve, the emptying pipeline and the trapping trap; the valve opening 1 is connected with the valve opening 2, the valve opening 3 is connected with the valve opening 4, and the valve opening 5 is connected with the valve opening 6; the high-temperature rotary switching valve is provided with a 1 st valve port, a 2 nd valve port and a 3 rd valve port, and the 2 nd valve port and the 3 rd valve port are respectively connected with the liquid purging device and the solid purging device; when the 1 st valve port is connected with the 2 nd valve port, the purging and trapping device is a liquid sample injection purging and trapping device; the solid sample sweeps trapping apparatus, high temperature six-way valve with the connection structure of high temperature rotatory switching valve is: the high-temperature six-way valve is provided with a valve port No. 1, a valve port No. 2, a valve port No. 3, a valve port No. 4, a valve port No. 5 and a valve port No. 6 which are respectively connected with the transmission pipeline, the chromatographic carrier gas device, the water trap, a valve port No. 1 arranged on the high-temperature rotary switching valve, the emptying pipeline and the trapping trap; the valve opening 1 is connected with the valve opening 2, the valve opening 3 is connected with the valve opening 4, and the valve opening 5 is connected with the valve opening 6; the high-temperature rotary switching valve is provided with a 1 st valve port, a 2 nd valve port and a 3 rd valve port, and the 2 nd valve port and the 3 rd valve port are respectively connected with the liquid purging device and the solid purging device; when the 1 st valve port is connected with the 3 rd valve port, the purging and trapping device is a solid sample injection purging and trapping device.
In some embodiments, the high-temperature six-way valve and the high-temperature rotary switching valve are respectively connected with a heating block and a heating rod, and the heating rod is connected with the computer, so that the high-temperature six-way valve and the high-temperature rotary switching valve are respectively in a preset high-temperature state when the liquid sample and the solid sample are purged and trapped.
In some embodiments, the water trap and the trap are respectively connected with a temperature adjusting device, and the temperature adjusting device is connected with the computer.
In some embodiments, when the liquid sample is purged and trapped or when the solid sample is purged and trapped, the high-temperature six-way valve and the high-temperature rotary switching valve are respectively the same in preset high-temperature temperatures in the trapping stage, the analysis sample injection stage and the baking stage.
In some embodiments, the purge gas port and the sample outlet are respectively connected with an inert gas device.
The beneficial effects are that: the utility model discloses a sweeping and trapping device with a switchable solid-liquid flow path, which has the following advantages compared with the prior art: the utility model provides a solid-liquid flow path switchable sweeps trapping device, through setting up high temperature six-way valve, the high temperature rotatory switching valve of adjacent series connection, through setting up trapping trap and dewatering trap of adjacent series connection with high temperature six-way valve is connected, through setting up transmission line, chromatographic carrier gas device, evacuation pipeline respectively with predetermine the valve port and link to each other, through setting up solid purging device and liquid purging device respectively with the different valve ports of high temperature rotatory switching valve, under the control of computer, can realize the intelligent switch of solid flow path, liquid flow path sample introduction, both realized solid, liquid introduction integration sweeps trapping device, effectively reduced use cost, again because both passageways keep apart completely, can realize accurate control respectively; the heating block and the heating rod are respectively connected through the high-temperature six-way valve and the high-temperature rotary switching valve, and the heating rod is connected with the computer, so that the temperature can be respectively and accurately controlled, the preset high-temperature requirement is met, and the accuracy of the sample analysis result is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments are briefly described below to form a part of the present utility model, and the exemplary embodiments of the present utility model and the description thereof illustrate the present utility model and do not constitute undue limitations of the present utility model; in the drawings:
fig. 1 is a schematic structural diagram of a technical scheme of a purge and trap device of a liquid sample injection flow path provided by an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a technical scheme of a purge-and-trap device for a solid sample injection flow path according to an embodiment of the present utility model.
In the figure: a transfer line 1; a chromatographic carrier gas device 2; a water trap 3; a high temperature six-way valve 4; an evacuation line 5; a trap 6; a high-temperature rotary switching valve 7; a solids purge device 8; a liquid purge device 9; a computer 10; a temperature adjusting device 11; a heating block 12; a heating rod 13; a detector 14; a first nitrogen device 15; a second nitrogen device 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. In the description of the present utility model, it should be noted that, as used in the specification and the claims, the term "comprising" is an open-ended term, and thus should be interpreted to mean "including, but not limited to"; "number" means more than 2.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The technical scheme of the utility model is as shown in fig. 1-2: the utility model provides a solid-liquid flow path switchable sweep capture device, is by computer 10 control connection, including adjacent high temperature six-way valve 4, high temperature rotatory switch valve 7 that connect in series, adjacent series and the other end is connected respectively trap 6 and the dewatering trap 3 of the different valve ports of high temperature six-way valve 4, respectively with transmission line 1, chromatographic carrier gas device 2, the evacuation pipeline 5 that the valve port of high temperature six-way valve 4 is connected respectively, respectively with the solid sweep device 8 and the liquid sweep device 9 that the different valve ports of high temperature rotatory switch valve 7 are connected, transmission line 1 is connected with detector 14, trap 6 with dewatering trap 3 is connected with attemperator 11 respectively, high temperature six-way valve 4 with high temperature rotatory switch valve 7 all with computer 10 links to each other, by computer 10 control all the connection and the switching of valve ports for sweep the capture device is solid flow path, liquid flow path intelligent switch sample introduction.
A first preferred embodiment of the present utility model is shown in fig. 1: the purging and trapping device with switchable solid-liquid flow paths is controlled and connected by a computer 10 and comprises a high-temperature six-way valve 4 and a high-temperature rotary switching valve 7 which are adjacently connected in series, a transmission pipeline 1, a chromatographic carrier gas device 2, a water trap 3, a trapping trap 6, an evacuation pipeline 5, a temperature regulating device 11 and a heating block 12 which are respectively connected with the high-temperature six-way valve 4 through different valve ports; the high-temperature rotary switching valve 7 is provided with a 1 st valve port, a 2 nd valve port and a 3 rd valve port, the 1 st valve port and the 2 nd valve port of the high-temperature rotary switching valve 7 are connected, and the device is connected with the liquid purging device 9 to form a liquid sample injection purging and trapping device.
The valve ports 1, 2, 3, 4, 5 and 6 of the high-temperature six-way valve 4 are respectively connected with the transmission pipeline 1, the chromatographic carrier gas device 2, the water trap 3, the valve port 1 arranged on the high-temperature rotary switching valve, the emptying pipeline 5 and the trap 6, and are also connected with the heating block 12 and the heating rod 13, and the heating rod 13 is connected with the computer 10.
The valve port No. 1 is connected with the valve port No. 2, the valve port No. 3 is connected with the valve port No. 4, and the valve port No. 5 is connected with the valve port No. 6.
The trap 6 and the water trap 3 are adjacently connected in series, the water trap 3 is connected with the valve port No. 3, and the trap 6 is connected with the valve port No. 6; the water trap 3 and the trap 6 are respectively connected with a temperature adjusting device 11, and the temperature adjusting device 11 is controlled by a computer 10 to adjust the temperature to a preset temperature.
The transfer line 1 is connected to a detector 14 and the evacuation line 5 is connected to a first nitrogen device 15.
The high-temperature rotary switching valve 7 is provided with a 1 st valve port, a 2 nd valve port and a 3 rd valve port, the 1 st valve port is connected with a No. 4 valve port of the high-temperature six-way valve 4, the 2 nd valve port is connected with a liquid purging device 9, the liquid purging device 9 is connected with a second nitrogen device 16, the 3 rd valve port is connected with a solid purging device 8, the solid purging device 8 is connected with the second nitrogen device 16, and nitrogen is taken as carrier gas to enter a purging and trapping device through a purging port so as to remove water vapor and trap VOCs.
In this embodiment, the 1 st valve port and the 2 nd valve port of the high-temperature rotary switching valve 7 are connected, the high-temperature rotary switching valve 7 is further connected with a heating block 12 and a heating rod 13, the heating rod 13 is connected with the computer 10, and the computer 10 controls the temperature adjustment to a preset temperature, so as to form the liquid sample injection, purging and trapping device.
When the liquid sample is purged and trapped, the high-temperature six-way valve 4 and the high-temperature rotary switching valve 7 are respectively the same in the trapping stage, the analysis sample injection stage and the baking stage.
The computer 10 controls the connection and switching of all the valve ports, namely, the 1 st valve port and the 2 nd valve port of the high-temperature rotary switching valve 7 are connected according to a program instruction, so that the state of the liquid sample injection, purging and trapping device is formed.
The specific working process comprises the following steps: the computer 10 controls the 1 st valve port and the 2 nd valve port of the high-temperature rotary switching valve 7 to switch to a communication state according to a program: the temperature regulating device 11 is controlled to set the temperatures of the water trap 3 and the trap 6 at 20 ℃, and the heating rod 13 is heated to set the temperatures of the high-temperature six-way valve 4 and the high-temperature rotary switching valve 7 at preset temperatures; the second nitrogen device 16 is used for protecting the sample by nitrogen through the liquid purging device 9, the 2 nd valve port of the high-temperature rotary switching valve 7, the 1 st valve port of the high-temperature rotary switching valve 7, the No. 4 valve port of the high-temperature six-way valve 4, the No. 3 valve port, the water removal trap 3, the trap 6, the No. 6 valve port of the high-temperature six-way valve 4, the No. 5 valve port, the evacuation pipeline 5 and the sample to the first nitrogen device 15, in the process, nitrogen rich in water vapor and VOCs is blown into the water removal trap 3 and the trap 6 by the second nitrogen device 16, the water vapor is condensed in the water removal trap 3, the VOCs are enriched in the trap 6, water removal and VOCs adsorption are implemented, and the purging trap completes the water removal and trapping process in the trapping stage.
A second preferred embodiment of the present utility model is shown in fig. 2: the purging and trapping device with switchable solid-liquid flow paths is controlled and connected by a computer 10 and comprises a high-temperature six-way valve 4 and a high-temperature rotary switching valve 7 which are adjacently connected in series, a transmission pipeline 1, a chromatographic carrier gas device 2, a water trap 3, a trapping trap 6, an evacuation pipeline 5, a temperature regulating device 11 and a heating block 12 which are respectively connected with the high-temperature six-way valve 4 through different valve ports; the high-temperature rotary switching valve 7 is provided with a 1 st valve port, a 2 nd valve port and a 3 rd valve port, the 1 st valve port and the 3 rd valve port of the high-temperature rotary switching valve 7 are connected, and the device is connected with the solid purging device 8 to form a solid sample injection purging and trapping device.
The valve ports 1, 2, 3, 4, 5 and 6 of the high-temperature six-way valve 4 are respectively connected with the transmission pipeline 1, the chromatographic carrier gas device 2, the water trap 3, the valve port 1 arranged on the high-temperature rotary switching valve, the emptying pipeline 5 and the trap 6, and are also connected with the heating block 12 and the heating rod 13, and the heating rod 13 is connected with the computer 10.
The valve port No. 1 is connected with the valve port No. 2, the valve port No. 3 is connected with the valve port No. 4, and the valve port No. 5 is connected with the valve port No. 6.
The trap 6 and the water trap 3 are adjacently connected in series, the water trap 3 is connected with the valve port No. 3, and the trap 6 is connected with the valve port No. 6; the water trap 3 and the trap 6 are respectively connected with a temperature adjusting device 11, and the temperature adjusting device 11 is controlled by a computer 10 to adjust the temperature to a preset temperature.
The transfer line 1 is connected to a detector 14 and the evacuation line 5 is connected to a first nitrogen device 15, so that the trap 3 is protected from oxidation by the gas.
The valve port 1 is connected with the valve port 4 of the high-temperature six-way valve 4, the valve port 2 is connected with the liquid purging device 9, the liquid purging device 9 is connected with the second nitrogen device 16, the valve port 3 is connected with the solid purging device 8, the solid purging device 8 is connected with the second nitrogen device 16, and nitrogen gas is taken as carrier gas to enter the purging and trapping device through a purging gas port to remove water vapor and trap VOCs.
In this embodiment, the 1 st valve port and the 3 rd valve port of the high-temperature rotary switching valve 7 are connected, the high-temperature rotary switching valve 7 is further connected with a heating block 12 and a heating rod 13, the heating rod 13 is connected with the computer 10, and the computer 10 controls the temperature adjustment to a preset temperature, so as to form the solid sample injection, purge and capture device.
And when the solid sample is purged and trapped, the high-temperature six-way valve 4 and the high-temperature rotary switching valve 7 are respectively the same in the trapping stage, the analysis sample injection stage and the baking stage.
The computer 10 connects or disconnects different valve ports according to the instruction, namely, the 1 st valve port and the 3 rd valve port of the high-temperature rotary switching valve 7 are connected according to the program instruction, so as to form the state of the solid sample injection, purge and capture device.
The specific working process comprises the following steps: the computer 10 controls the 1 st valve port and the 3 rd valve port of the high-temperature rotary switching valve 7 to switch to a communication state according to a program: the temperature regulating device 11 is controlled to set the temperatures of the water trap 3 and the trap 6 at 20 ℃, and the heating rod 13 is heated to set the temperatures of the high-temperature six-way valve 4 and the high-temperature rotary switching valve 7 at preset temperatures; the second nitrogen device 16 is used for protecting the sample by nitrogen through the solid purging device 8, the 3 rd valve port of the high-temperature rotary switching valve 7, the 1 st valve port of the high-temperature rotary switching valve 7, the No. 4 valve port of the high-temperature six-way valve 4, the No. 3 valve port, the water removal trap 3, the trap 6, the No. 6 valve port of the high-temperature six-way valve 4, the No. 5 valve port, the evacuation pipeline 5 and the sample to the first nitrogen device 15, in the process, nitrogen rich in water vapor and VOCs is blown into the water removal trap 3 and the trap 6 by the second nitrogen device 16, the water vapor is condensed in the water removal trap 3, the VOCs are enriched in the trap 6, water removal and VOCs adsorption are implemented, and the purging trap completes the water removal and trapping process in the trapping stage.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.
Claims (6)
1. A blowing and trapping device with switchable solid-liquid flow paths is connected by computer control and is characterized in that
In the following steps: the device comprises a high-temperature six-way valve, a high-temperature rotary switching valve, a trap and a water trap, wherein the trap and the water trap are adjacently connected in series, the other ends of the trap and the water trap are respectively connected with different valve ports of the high-temperature six-way valve, a transmission pipeline, a chromatographic carrier gas device and an evacuation pipeline are respectively connected with the valve ports of the high-temperature six-way valve, the solid purging device and the liquid purging device are respectively connected with different valve ports of the high-temperature rotary switching valve, the transmission pipeline is connected with a detector, the trap and the water trap are respectively connected with a temperature regulating device, the high-temperature six-way valve and the high-temperature rotary switching valve are connected with a computer, and the connection and the switching of all the valve ports are controlled by the computer, so that the purging trap device is a solid flow path and a liquid flow path intelligent switching sample injection.
2. The switchable solid-liquid flow path purge and trap device according to claim 1, wherein:
the liquid sample sweeps trapping apparatus, high temperature six-way valve with the connection structure of high temperature rotatory switching valve is:
the high-temperature six-way valve is provided with a valve port No. 1, a valve port No. 2, a valve port No. 3, a valve port No. 4, a valve port No. 5 and a valve port No. 6 which are respectively connected with the transmission pipeline, the chromatographic carrier gas device, the water trap, a valve port No. 1 arranged on the high-temperature rotary switching valve, the emptying pipeline and the trapping trap; wherein,
the valve port No. 1 is connected with the valve port No. 2, and the valve port No. 3 is connected with the valve port No. 4
The valve port No. 5 is connected with the valve port No. 6;
the high-temperature rotary switching valve is provided with a 1 st valve port, a 2 nd valve port and a 3 rd valve port, and the 2 nd valve port and the 3 rd valve port are respectively connected with the liquid purging device and the solid purging device; when the 1 st valve port is connected with the 2 nd valve port, the purging and trapping device is a liquid sample injection purging and trapping device;
the solid sample sweeps trapping apparatus, high temperature six-way valve with the connection structure of high temperature rotatory switching valve is:
the high-temperature six-way valve is provided with a valve port No. 1, a valve port No. 2, a valve port No. 3, a valve port No. 4, a valve port No. 5 and a valve port No. 6 which are respectively connected with the transmission pipeline, the chromatographic carrier gas device, the water trap, a valve port No. 1 arranged on the high-temperature rotary switching valve, the emptying pipeline and the trapping trap; wherein,
the valve port No. 1 is connected with the valve port No. 2, and the valve port No. 3 is connected with the valve port No. 4
The valve port No. 5 is connected with the valve port No. 6;
the high-temperature rotary switching valve is provided with a 1 st valve port, a 2 nd valve port and a 3 rd valve port, and the 2 nd valve port and the 3 rd valve port are respectively connected with the liquid purging device and the solid purging device; when the 1 st valve port is connected with the 3 rd valve port, the purging and trapping device is a solid sample injection purging and trapping device.
3. The switchable solid-liquid flow path purge and trap device according to claim 2, wherein: by a means of
The high-temperature six-way valve and the high-temperature rotary switching valve are respectively connected with a heating block and a heating rod, and the heating rod is connected with the computer, so that the high-temperature six-way valve and the high-temperature rotary switching valve are respectively in a preset high-temperature state when the liquid sample and the solid sample are purged and trapped.
4. The switchable solid-liquid flow path purge and trap device according to claim 3, wherein: the water trap and the trapping trap are respectively connected with a temperature adjusting device, and the temperature adjusting device is connected with the computer.
5. The switchable solid-liquid flow path purge and trap device according to claim 4, wherein: when the liquid sample is purged and trapped or the solid sample is purged and trapped, the high-temperature six-way valve and the high-temperature rotary switching valve are respectively the same in preset high-temperature in the trapping stage, the analysis sample injection stage and the baking stage.
6. The switchable solid-liquid flow path purge and trap device according to claim 5, wherein: and the purging air port and the sample outlet which are arranged on the purging and trapping device are respectively connected with an inert gas device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321394428.XU CN220438250U (en) | 2023-06-02 | 2023-06-02 | Sweeping and trapping device with switchable solid-liquid flow paths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321394428.XU CN220438250U (en) | 2023-06-02 | 2023-06-02 | Sweeping and trapping device with switchable solid-liquid flow paths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220438250U true CN220438250U (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321394428.XU Active CN220438250U (en) | 2023-06-02 | 2023-06-02 | Sweeping and trapping device with switchable solid-liquid flow paths |
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| Country | Link |
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| CN (1) | CN220438250U (en) |
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- 2023-06-02 CN CN202321394428.XU patent/CN220438250U/en active Active
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