Single tube test gas sampling analysis device

Abstract

The present disclosure provides a single tube test gas sampling analysis device, and relates to the technical field of gas testing. The single tube test gas sampling analysis device comprises a single tube test assembly, a chromatographic analyzer and a distribution assembly. The single tube test assembly has a first release end for releasing a first gas, a second release end for releasing a second gas and a third release end for releasing a third gas. The first input end of the chromatographic analyzer is connected with the first release end, the second release end and the third release end through a gas conveying pipeline. The distribution assembly is arranged on the gas conveying pipeline, and the distribution assembly can control the first release end, the second release end or the third release end to be in communication with the first input end, so that the chromatographic analyzer can test the first gas, the second gas or the third gas. The technical problem that the sampling process of raw gas and production gas of the single tube test device is complicated and impurities are easily introduced, resulting in structural errors, can be solved.

Description

Technical Field

[0001] This disclosure relates to the field of gas testing technology, and in particular to a single-tube test gas injection analysis device and testing equipment. Background Technology

[0002] In the production process of the oil and gas industry, the quality and performance of products such as crude oil, gasoline and diesel are evaluated. The evaluation mainly includes properties such as purity and suitability. At the same time, catalysts and reaction parameters in the production process are also tested to ensure the feasibility of the process.

[0003] For product quality assessment or process feasibility evaluation, single-tube experiments are generally used. Single-tube experiments, centered on a single reaction tube, can simulate chemical reaction processes in actual industrial production on a smaller scale. This allows for the study of complex industrial reactions in relatively simple equipment, reducing the cost and risk of large-scale experiments. In conventional single-tube testing devices, both the raw material gas and the production gas need to be monitored during the testing process to obtain the experimental data structure.

[0004] In the existing technology, the sampling process for raw material gas and production gas of single-tube testing devices is often done manually, which is cumbersome and can easily introduce impurities, leading to structural errors. Utility Model Content

[0005] The purpose of this disclosure is to provide a single-tube test gas sampling and analysis device to solve the technical problem that the sampling process for raw material gas and production gas in the existing single-tube test device is often manual, which is cumbersome and easily introduces impurities, leading to structural errors.

[0006] To address the aforementioned technical problems, the present disclosure provides the following technical solutions:

[0007] This invention discloses a single-tube test gas injection analysis device, comprising: a single-tube test assembly, a chromatograph, and a distribution assembly; the single-tube test assembly has a first release end for releasing a first gas, a second release end for releasing a second gas, and a third release end for releasing a third gas; a first input end of the chromatograph is connected to the first release end, the second release end, and the third release end respectively through a gas delivery pipeline; the distribution assembly is disposed on the gas delivery pipeline, and the distribution assembly can control the first release end, the second release end, or the third release end to be connected to the first input end, so that the chromatograph can test the first gas, the second gas, or the third gas.

[0008] Furthermore, the gas transmission pipeline includes: a first branch, a second branch, a third branch, and a confluence branch, the first branch, the second branch, and the third branch being connected to the first release end, the second release end, and the third release end, respectively; the first branch, the second branch, and the third branch are merged through the confluence branch and connected to the first input end of the chromatograph; the distribution assembly includes: a first valve body, a second valve body, and a third valve body, the first valve body, the second valve body, and the third valve body being respectively disposed on the first branch, the second branch, and the third branch.

[0009] Furthermore, the gas transmission pipeline includes: a tail gas treatment branch; the distribution assembly includes: a fourth valve body, the tail gas treatment branch is connected to the manifold branch through the fourth valve body, and the tail gas output end of the chromatograph is connected to the tail gas treatment branch to recover the gas in the gas transmission pipeline and the chromatograph.

[0010] Furthermore, the gas transmission pipeline includes: a manual sampling branch, which is connected to the manifold branch; the distribution assembly includes: a fifth valve body, which is disposed on the manual sampling branch to control the opening or closing of the manual sampling branch.

[0011] Furthermore, the single-tube test gas injection analysis device also includes an impurity treatment component, which is disposed on the manifold and located near the first input end of the chromatograph. The impurity treatment component is capable of treating impurities in the first gas, the second gas, and the third gas.

[0012] Furthermore, the single-tube test gas injection analysis device includes: a standard gas source; the gas delivery pipeline also includes: a fourth branch, through which the standard gas source is connected to the first input terminal of the chromatograph, and through which the manifold is connected to the first input terminal; the distribution component includes: a sixth valve body and subsequently a seventh valve body; the sixth valve body is disposed on the fourth branch and located between the standard gas source and the manifold, so as to open or close the fourth branch; the seventh valve body is disposed between the impurity processing component and the fourth branch, so as to connect or block the fourth branch from the impurity processing component.

[0013] Furthermore, the single-tube test gas injection analysis device includes: a carrier gas source; the gas delivery pipeline also includes: a fifth branch, through which the carrier gas source is connected to the second input terminal of the chromatograph; the distribution component also includes: an eighth valve, which is located on the fifth branch to control the opening and closing of the fifth branch.

[0014] Furthermore, the single-tube test gas injection analysis device also includes a flow control component, with the first branch, the second branch, and the third branch all equipped with flow control components to limit the flow rates of the first gas, the second gas, and the third gas.

[0015] Furthermore, the single-tube test gas injection analysis device also includes a pressure control component, which is installed on the gas delivery pipeline to limit the pressure of the gas inside the gas delivery pipeline.

[0016] Furthermore, the single-tube test gas injection analysis device also includes a pressure testing component, which is connected to the gas delivery pipeline to observe the internal pressure of the gas delivery pipeline.

[0017] This disclosure provides a single-tube test gas injection and analysis device, comprising: a single-tube test assembly, a chromatograph, and a distribution assembly. The single-tube test assembly is provided with a first release end, a second release end, and a third release end. The first release end can release a first gas, the second release end can release a second gas, and the third release end can release a third gas. The chromatograph is connected to the first, second, and third release ends via a gas delivery pipeline. Simultaneously, the distribution assembly, located on the gas delivery pipeline, controls the input of the first, second, or third gas to the chromatograph. When it is necessary to detect the first gas of the single-tube test assembly, the first gas is input into the chromatograph via the distribution assembly and the gas delivery pipeline to achieve detection. Similarly, when it is necessary to test the second and third gases, one of them is input into the chromatograph via the gas delivery pipeline and the distribution assembly to achieve detection. This eliminates the need for manual sampling, avoiding the introduction of impurities through manual sampling and the time-consuming and inefficient process of transporting the sampled gas to the chromatograph. Attached Figure Description

[0018] The above and other objects, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent upon reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of the present disclosure are illustrated by way of example and not limitation, with the same or corresponding reference numerals denoteing the same or corresponding parts, wherein:

[0019] Figure 1 A schematic diagram of a single-tube test gas injection and analysis device is shown.

[0020] Explanation of icon numbers:

[0021] 1. Single-tube test assembly; 101. Inlet structure; 102. Mixing chamber; 103. Single-tube test device; 104. Product compartment;

[0022] 2. Chromatography analyzer;

[0023] 3. Distribution components; 301. First valve body; 302. Second valve body; 303. Third valve body; 304. Fourth valve body; 305. Fifth valve body; 306. Sixth valve body; 307. Seventh valve body; 308. Eighth valve body; 309. Air valve body; 310. First isolation valve; 311. Second isolation valve;

[0024] 4. Gas transmission pipeline; 401. First branch; 402. Second branch; 403. Third branch; 404. Fourth branch; 405. Exhaust gas treatment branch; 406. Manual sampling branch; 407. Combination branch; 408. Fifth branch; 409. Air input branch;

[0025] 5. Impurity treatment components; 6. Standard gas source; 7. Carrier gas source; 8. Flow control components; 9. Pressure control components; 10. Pressure testing components; 11. Exhaust gas treatment equipment. Detailed Implementation

[0026] The embodiments of this disclosure will be further described in detail below with reference to the accompanying drawings and examples. The detailed description of the embodiments and the accompanying drawings are used to illustrate the principles of this disclosure by way of example, but should not be used to limit the scope of this disclosure. This disclosure can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0027] These embodiments are provided to make the disclosure thorough and complete, and to fully express the scope of the disclosure to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, material composition, numerical expressions, and values ​​set forth in these embodiments should be interpreted as exemplary only and not as limiting.

[0028] It should be noted that, in the description of this disclosure, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicating orientation or positional relationship, are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0029] Furthermore, the terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. "Vertical" is not strictly vertical, but within the permissible margin of error. "Parallel" is not strictly parallel, but within the permissible margin of error. Terms such as "including" or "contains" mean that the element preceding the word encompasses the element listed after the word, and do not exclude the possibility of encompassing other elements as well.

[0030] like Figure 1 As shown, this disclosure provides a single-tube test gas injection analysis device, which includes: a single-tube test assembly 1, a chromatograph 2, and a distribution assembly 3; the single-tube test assembly 1 has a first release end for releasing a first gas, a second release end for releasing a second gas, and a third release end for releasing a third gas; the first input end of the chromatograph 2 is connected to the first release end, the second release end, and the third release end respectively through a gas supply pipe 4; the distribution assembly 3 is disposed on the gas supply pipe 4, and the distribution assembly 3 can control the first release end, the second release end, or the third release end to be connected to the first input end, so that the chromatograph 2 can test the first gas, the second gas, or the third gas.

[0031] Specifically, the single-tube test assembly 1 can be a conventional single-tube test device 103, without specific limitations, as long as it can perform single-tube tests. In this embodiment, the single-tube test assembly 1 can be a single-tube test assembly 1 for tests such as the reaction of natural gas and carbon dioxide. In this embodiment, the first gas can be natural gas, the second gas can be a mixture of carbon dioxide and natural gas, and the third gas can be a reaction gas of carbon dioxide and natural gas, such as carbon monoxide, hydrogen, etc., without specific limitations.

[0032] In this embodiment, the single-tube test assembly 1 may include an air intake structure 101, a mixing chamber 102, a single-tube test device 103, and a product chamber 104. The air intake structure 101 may be an air inlet or an air intake valve, etc. The air intake structure 101 can input a first gas and other gases into the mixing chamber 102. The air intake structure 101 may be provided with an air outlet as a first release end. The mixing chamber 102 obtains the first gas and other gases from the air intake structure 101 and mixes them thoroughly to form a second gas. At the same time, an air outlet valve may be provided in the mixing chamber 102 as a second release end. After the second gas is generated in the mixing chamber 102, the second gas can be transferred to the single-tube test device 103 for reaction to produce a third gas, and then transferred to the product chamber 104. The product chamber 104 may be provided with a valve as a third release end.

[0033] The chromatograph 2 can be a flame photometric detector, a thermal conductivity detector, etc., without specific limitations. It can be selected based on the specific components of the first, second, and third gases. In this embodiment, since the first gas is natural gas, the second gas is carbon dioxide, and the third gas is the reaction gas of natural gas and carbon dioxide, the chromatograph 2 can be a flame ionization detector (FID). The gas delivery pipe 4 connecting the chromatograph 2 to the single-tube test assembly 1 and the connection method are not specifically limited. It can be a conventional gas transmission pipe connected in a pipeline manner, without specific limitations. The distribution assembly 3 can be composed of multiple valve bodies combined and installed on the gas delivery pipe 4. The specific connection method between the gas delivery pipe 4 and the valve bodies is not limited. A conventional connection method can be used. The specific placement, number, and type of the multiple valve bodies are not specifically limited, as long as they can switch the gas input to the chromatograph 2.

[0034] This disclosure provides a single-tube test gas injection and analysis device, comprising: a single-tube test assembly 1, a chromatograph 2, and a distribution assembly 3. The single-tube test assembly 1 is provided with a first release end, a second release end, and a third release end. The first release end can release a first gas, the second release end can release a second gas, and the third release end can release a third gas. The chromatograph 2 is connected to the first, second, and third release ends via a gas delivery pipe 4. Simultaneously, the distribution assembly 3, located on the gas delivery pipe 4, controls the input of the first, second, or third gas to the chromatograph 2. When it is necessary to detect the first gas of the single-tube test assembly 1, the first gas is input into the chromatograph 2 via the distribution assembly 3 and the gas delivery pipe 4 to achieve detection. Similarly, when it is necessary to test the second and third gases, one of them is input into the chromatograph 2 via the gas delivery pipe 4 and the distribution assembly 3 to achieve detection. No manual sampling is required, avoiding the problems of introducing impurities through manual sampling and the time-consuming and inefficient transportation of the sampled gas to the chromatograph 2.

[0035] like Figure 1 As shown, in some embodiments, the gas transmission pipeline 4 includes: a first branch 401, a second branch 402, a third branch 403, and a confluence branch 407; the first branch 401, the second branch 402, and the third branch 403 are respectively connected to a first release end, a second release end, and a third release end; the first branch 401, the second branch 402, and the third branch 403 are merged through the confluence branch 407 and connected to the first input end of the chromatograph 2; the distribution assembly 3 includes: a first valve body 301, a second valve body 302, and a third valve body 303, the first valve body 301, the second valve body 302, and the third valve body 303 being respectively disposed on the first branch 401, the second branch 402, and the third branch 403.

[0036] Specifically, the first branch 401, the second branch 402, and the third branch 403 can all be conventional gas transport pipelines. The connection methods between the first branch 401, the second branch 402, and the third branch 403 and the first, second, and third release ends, respectively, can be selected using conventional pipeline connection methods, ensuring that the gas released from the first, second, and third release ends can be transported through the corresponding branches; no specific limitations are imposed. The manifold branch 407 can be the same pipeline as the first branch 401, the second branch 402, and / or the third branch 403. The connection methods between the first branch 401, the second branch 402, and the third branch 403 and the manifold branch 407 can be achieved through a four-way valve or a solenoid valve; no specific limitations are imposed, as long as it ensures that the gas from the first branch 401, the second branch 402, and the third branch 403 can enter the manifold branch 407.

[0037] The first valve body 301, the second valve body 302, and the third valve body 303 can be gate valves, stop valves, etc., without specific limitations. In this embodiment, the first valve body 301, the second valve body 302, and the third valve body 303 can all be ball valves, and the connection between the ball valves and the pipelines of the first branch 401, the second branch 402, and the third branch 403 can be a conventional connection method. Taking the first branch 401 as an example, when the first release end of the single-tube test assembly 1 releases the first gas, it enters the first branch 401. When it is necessary to detect the first gas, the first valve body 301 can be opened to allow the first gas to enter the chromatograph 2 for detection. The process of detecting the second gas through the chromatograph 2 via the second branch 402 and the second valve 302, and the process of detecting the third gas through the chromatograph 2 via the third branch 403 and the third valve 303, can be the same as the process of detecting the first gas through the chromatograph 2 via the first branch 401 and the first valve 301. Therefore, it will not be elaborated further here. This setup allows for control of the gas entering the chromatograph 2, with a simple operating structure and high sampling and testing efficiency.

[0038] like Figure 1 As shown, in some embodiments, the gas transmission pipeline 4 includes: a tail gas treatment branch 405; the distribution assembly 3 includes: a fourth valve body 304, the tail gas treatment branch 405 is connected to the manifold branch 407 through the fourth valve body 304, and the tail gas output end of the chromatograph 2 is connected to the tail gas treatment branch 405 to recover the gas in the gas transmission pipeline 4 and the chromatograph 2.

[0039] Specifically, the exhaust gas treatment branch 405 can be a conventional gas pipeline, and it can be connected to the manifold branch 407 via a conventional connection method. A fourth valve 304 is installed between the two, which can be a ball valve or a shut-off valve, etc. During operation, opening the fourth valve 304 allows gas inside the manifold branch 407 to enter the exhaust gas treatment branch 405 for treatment and recovery. Simultaneously, the exhaust gas output of the chromatograph 2 can be connected to the exhaust gas treatment branch 405 via a pipeline. During operation, after the chromatograph 2 finishes testing the gas, the generated exhaust gas can enter the exhaust gas treatment branch 405 via a pipeline for treatment. It should be noted that when the exhaust gas output of the chromatograph 2 is supplying exhaust gas to the exhaust gas treatment branch 405, the fourth valve 304 can be closed to prevent the exhaust gas from the chromatograph 2 from entering the manifold branch 407. The exhaust gas treatment branch 405 may also include exhaust gas treatment equipment 11, storage tanks, etc., without specific limitations.

[0040] like Figure 1 As shown, in some embodiments, the gas pipeline 4 includes: a manual sampling branch 406, which is connected to the manifold branch 407; the distribution assembly 3 includes: a fifth valve body 305, which is disposed on the manual sampling branch 406 to control the opening or closing of the manual sampling branch 406.

[0041] Specifically, the manual sampling branch 406 can be a gas delivery pipeline connected to the manifold branch 407, without specific limitations. The fifth valve body 305 is installed on the manual sampling branch 406, and can be a ball valve or a shut-off valve, without specific limitations. When manual sampling is required, the operator can open the fifth valve body 305 to allow gas inside the manifold branch 407 to enter the manual sampling branch 406 and be released through the fifth valve body 305. The operator can then take samples through the sampling gas cylinder. After sampling is completed, the fifth valve body 305 can be closed. With this setup, when manual sampling is required, only the fifth valve body 305 needs to be opened or closed, making operation convenient and the structure simple.

[0042] like Figure 1 As shown, in some embodiments, the single-tube test gas injection analysis device further includes an impurity processing component 5, which is disposed on the manifold branch 407 and located near the first input end of the chromatograph 2. The impurity processing component 5 is capable of processing impurities in the first gas, the second gas, and the third gas.

[0043] Specifically, the impurity treatment component 5 can be an activated carbon adsorption device or a molecular sieve; it is not specifically limited to either. When the first gas, the second gas, and the third gas flow through the impurity treatment component 5, the impurity treatment component 5 can adsorb impurities in the gases to prevent them from entering the chromatograph 2 and causing damage. The impurity treatment component 5 is located near the first input end of the chromatograph 2, which means that the impurity treatment component 5 is connected to the pipeline connected to the first input end of the chromatograph 2, and the gas can directly enter the interior of the chromatograph 2 after passing through the impurity treatment component 5.

[0044] like Figure 1 As shown, in some embodiments, the single-tube test gas injection analysis device includes: a standard gas source 6; the gas delivery pipeline 4 further includes: a fourth branch 404, through which the standard gas source 6 is connected to the first input terminal of the chromatograph 2, and a manifold branch 407 is connected to the first input terminal through the fourth branch 404; the distribution component 3 includes: a sixth valve body 306 and a seventh valve body 307; the sixth valve body 306 is disposed on the fourth branch 404 and located between the standard gas source 6 and the manifold branch 407, so as to open or close the fourth branch 404; the seventh valve body 307 is disposed between the impurity processing component 5 and the fourth branch 404, so as to connect or block the fourth branch 404 from the impurity processing component 5.

[0045] Specifically, when analyzing gases, the chromatograph 2 requires standard gas to calibrate its detection sensitivity and response value for a specific substance, and to study the behavior of that substance in chromatographic analysis. Generally, the inlet of the standard gas is the same as the inlet of the gas to be detected; in this embodiment, both are the first input terminals. The standard gas source 6 can be a gas cylinder containing standard gas or a production line for producing standard gas; it is not specifically limited to either.

[0046] The fourth branch 404 can be a gas transmission pipeline to connect the standard gas source 6 to the chromatograph 2. The sixth valve 306 is located on the fourth branch 404. When the sixth valve 306 is opened, the standard gas released from the standard gas source 6 can enter the chromatograph 2 through the fourth branch 404 and the sixth valve 306 for standard gas analysis. After the standard gas analysis is complete, the sixth valve 306 can be closed to prevent the standard gas from entering the chromatograph 2. The seventh valve 307 is located on the pipeline connecting the impurity processing component 5 and the fourth branch 404. When the standard gas is being analyzed, the seventh valve 307 needs to be closed to effectively prevent the standard gas from flowing back into the impurity processing component 5 and affecting it. When the chromatograph 2 needs to analyze the gas in the manifold 407, the sixth valve 306 can be closed and the seventh valve 307 opened to allow the chromatograph 2 to analyze the gas in the manifold 407.

[0047] like Figure 1 As shown, in some embodiments, the single-tube test gas injection analysis device includes: a carrier gas source 7; the gas delivery pipeline 4 further includes: a fifth branch 408, through which the carrier gas source 7 is connected to the second input terminal of the chromatograph 2; the distribution component 3 further includes: an eighth valve body 308, which is disposed on the fifth branch 408 to control the opening and closing of the fifth branch 408.

[0048] Specifically, when analyzing a gas, the chromatograph 2 requires a carrier gas to drive the gas to be detected into the chromatograph 2, thereby enabling the chromatograph 2 to detect the gas. The carrier gas source 7 can be a tank containing carrier gas or a carrier gas production line. In this embodiment, the carrier gas can be nitrogen. The fifth branch 408 can be a pipeline for gas delivery, and the eighth valve 308 can be a ball valve or a shut-off valve, without specific limitations. The eighth valve 308 is located on the pipeline. When the eighth valve 308 is opened, the carrier gas can enter the second input terminal of the chromatograph 2 through the fifth branch 408 and the eighth valve 308, thereby inputting the carrier gas into the chromatograph 2.

[0049] like Figure 1 As shown, in some embodiments, the single-tube test gas injection analysis device further includes a flow control component 8, wherein the first branch 401, the second branch 402 and the third branch 403 are each provided with a flow control component 8 to limit the flow rates of the first gas, the second gas and the third gas.

[0050] Specifically, the flow control component 8 can be a throttle valve, a needle valve, or similar, without specific limitations. In this embodiment, three needle valves can be selected as the flow control component 8. The three needle valves can be respectively installed on the first branch 401, the second branch 402, and the third branch 403. The first needle valve can be installed on the pipe on the side of the first valve body 301 away from the first release end. Similarly, the second needle valve can be installed on the pipe on the side of the second valve body 302 away from the second release end, and similarly, the third needle valve can be installed on the pipe on the side of the third valve body 303 away from the third release end. This allows for flow restriction on the first branch 401, the second branch 402, and the third branch 403.

[0051] In this embodiment, a flame ionization detector can be used, which requires air to enter the flame ionization detector. Therefore, an air input branch 409 can be set up, and an air valve 309 can be set up in the air input branch 409 to realize the opening and closing of the air input branch 409, so as to input air into the chromatograph 2 to maintain the flame in the flame ionization detector and realize the normal operation of the flame ionization detector.

[0052] like Figure 1 As shown, in some embodiments, the single-tube test gas injection analysis device further includes a pressure control component 9, which is disposed on the gas delivery pipe 4 to limit the pressure of the gas inside the gas delivery pipe 4.

[0053] Specifically, the pressure control component 9 can be a pressure reducing valve or a throttle valve, etc., without specific limitations. In this embodiment, a pressure reducing valve can be used. In this embodiment, the first pressure reducing valve can be set on the manifold branch 407 and located between the first branch 401, the second branch 402, or the third branch 403 and the manual sampling branch 406. The second pressure reducing valve can be set on the fourth branch 404 and located on the pipe connected to the sixth valve body 306 on the side away from the standard gas source 6. The third pressure reducing valve can be set on the air input branch 409 and located at the end of the air valve body 309 away from the air source. The fourth pressure reducing valve can be set on the fifth branch 408 and located on the pipe connected to the eighth valve body 308 away from the carrier gas source 7. At the same time, a first isolation valve 310 can be set between the manual sampling branch 406, the impurity treatment component 5, and the fourth valve body 304, and a second isolation valve 311 can be set between the second pressure reducing valve and the chromatograph 2 to guide the flow direction of the gas in the gas pipeline.

[0054] like Figure 1 As shown, in some embodiments, the single-tube test gas injection analysis device further includes a pressure testing component 10, which is connected to the gas delivery pipeline 4 to observe the internal pressure of the gas delivery pipeline 4.

[0055] Specifically, the pressure testing component 10 can be a pressure gauge or a gas pressure sensor, without specific limitations. In the fundamental embodiment, a pressure gauge can be used as the pressure testing component 10, and the pressure gauge can be connected to one or more branches of the first branch 401 to the fifth branch 408 and the junction branch 407. The number of pressure testing components 10 is not limited to one and can be set according to actual needs.

[0056] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

[0057] It should also be noted that, in the description of this disclosure, unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this disclosure depending on the specific circumstances. When a particular device is described as being located between a first device and a second device, an intermediary device may or may not be present between the particular device and the first or second device.

[0058] All terms used in this disclosure have the same meaning as understood by one of ordinary skill in the art to which this disclosure pertains, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant art, and not as idealized or highly formalized, unless expressly defined herein.

[0059] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, they should be considered part of the specification.

Claims

1. A single tube test gas sample introduction analysis device characterized by, include: A single-tube test assembly, the single-tube test assembly having a first release end for releasing a first gas, a second release end for releasing a second gas, and a third release end for releasing a third gas; A chromatographic analyzer, wherein the first input end of the chromatographic analyzer is connected to the first release end, the second release end and the third release end respectively through a gas supply pipe; A distribution component is disposed on the gas supply pipeline. The distribution component can control the first release end, the second release end, or the third release end to be connected to the first input end, so that the chromatograph can test the first gas, the second gas, or the third gas.

2. The single-tube test gas injection and analysis device according to claim 1, characterized in that, The gas pipeline includes: The first branch, the second branch, and the third branch are respectively connected to the first release end, the second release end, and the third release end; The first branch, the second branch, and the third branch converge through the convergence branch and are connected to the first input terminal of the chromatograph. The allocation component includes: A first valve body, a second valve body, and a third valve body are respectively disposed on the first branch, the second branch, and the third branch.

3. The single-tube test gas injection and analysis device according to claim 2, characterized in that, The gas transmission pipeline includes: a tail gas treatment branch; The allocation component includes: The fourth valve body connects the exhaust gas treatment branch to the manifold branch, and the exhaust gas output end of the chromatograph is connected to the exhaust gas treatment branch to recover the gas from the gas pipeline and the chromatograph.

4. The single-tube test gas injection and analysis device according to claim 2, characterized in that, The gas pipeline includes: A manual sampling branch, which is connected to the bus branch; The allocation component includes: A fifth valve body is disposed on the manual sampling branch to control the opening or closing of the manual sampling branch.

5. The single column test gas sampling analyzer apparatus as defined in claim 2 wherein, Also includes: An impurity treatment component is disposed on the manifold and located near the first input terminal of the chromatograph. The impurity treatment component is capable of treating impurities in the first gas, the second gas, and the third gas.

6. The single-tube test gas injection and analysis device according to claim 5, characterized in that, The single-tube test gas injection and analysis device includes: a standard gas source; The gas pipeline also includes: The fourth branch connects the standard gas source to the first input terminal of the chromatograph, and the manifold branch connects to the first input terminal through the fourth branch. The allocation component includes: The sixth valve body is disposed on the fourth branch and located between the standard gas source and the manifold branch, so as to open or close the fourth branch; A seventh valve body is disposed between the impurity treatment component and the fourth branch, so that the fourth branch can be connected to or blocked from the impurity treatment component.

7. The single-tube test gas injection and analysis device according to claim 1, characterized in that, The single-tube test gas injection and analysis device includes: a carrier gas source; The gas pipeline also includes: The fifth branch connects the carrier gas source to the second input terminal of the chromatograph. The allocation component also includes: The eighth valve body is disposed on the fifth branch to control the opening and closing of the fifth branch.

8. The single column test gas sampling analyzer apparatus as defined in claim 2 wherein, Also includes: Flow control components are provided in the first branch, the second branch, and the third branch to limit the flow rates of the first gas, the second gas, and the third gas.

9. The single column test gas sampling analyzer apparatus as defined in claim 1 wherein, Also includes: A pressure control component is disposed on the gas transmission pipeline to limit the pressure of the gas inside the gas transmission pipeline.

10. The single-column test gas sampling analyzer apparatus as defined in claim 1, wherein, Also includes: A pressure testing component is connected to the gas pipeline to observe the internal pressure of the gas pipeline.

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