Sample vaporization system

Abstract

The utility model discloses a sample vaporization system, which comprises a sample feeding pipe, a liquid-state liquid inlet pipe, a liquid-state liquid outlet pipe and a liquid-state liquid outlet pipe, the input end of the electric heating pressure reducing valve is connected with the output end of the sample feeding pipe, and the electric heating pressure reducing valve is used for vaporizing the sample conveyed by the sample feeding pipe to form a pure gaseous sample; and the vaporization maintaining module is connected with the output end of the electric heating pressure reducing valve and an external analyzer, and is used for maintaining the pure gaseous state of the sample and conveying the sample into the analyzer. According to the utility model, a sample is vaporized through the electric heating pressure reducing valve, is in a pure gas state after entering the box body, is filtered and finally enters the analyzer for analysis, so that the consistency of the phase state of the sample is ensured, and the analysis is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of sample vaporization, and particularly relates to a sample vaporization system. Background Art

[0002] The temperature of the existing sample vaporization system cannot be controlled, and the phase state of the sample cannot be kept consistent, which is not conducive to the accurate analysis and measurement of the sample by the analyzer. Therefore, a sample vaporization system is designed. Summary of the Invention

[0003] According to an embodiment of the utility model, a sample vaporization system is provided, which includes:

[0004] A sample inlet pipe for conveying a pure liquid sample;

[0005] An electrically heated pressure reducing valve, the input end of which is connected to the output end of the sample inlet pipe, for vaporizing the sample conveyed by the sample inlet pipe to form a pure gaseous sample;

[0006] A vaporization holding module, which is connected to the output end of the electrically heated pressure reducing valve and an external analyzer, for conveying the sample to the analyzer while keeping it in a pure gaseous state.

[0007] Furthermore, the vaporization holding module includes:

[0008] A box body with a heater inside;

[0009] A conveying pipe, the input end of which is connected to the output end of the electrically heated pressure reducing valve, and the output end of which penetrates through the box body and is connected to the analyzer;

[0010] A first temperature detector for detecting the temperature inside the box body;

[0011] A heat preservation layer covering a section of the conveying pipe between the box body and the analyzer;

[0012] A second temperature detector for detecting the temperature of a section of the conveying pipe between the box body and the analyzer.

[0013] Furthermore, the vaporization holding module includes:

[0014] A pressure regulating valve communicated with the conveying pipe;

[0015] A pressure transmitter communicated with the conveying pipe.

[0016] Furthermore, the vaporization holding module further includes: a filter communicated with the conveying pipe for filtering the sample in the conveying pipe.

[0017] Furthermore, the vaporization holding module further includes: a first needle valve communicated with the conveying pipe for controlling the on-off of the conveying pipe.

[0018] Further, it further includes: a second needle valve, which is connected to the sampling tube and used to control the on-off of the sampling tube.

[0019] Further, it further includes:

[0020] A bypass pipeline, which is connected to the sampling tube;

[0021] A ball valve, which is connected to the bypass pipeline and controls the on-off of the bypass pipeline.

[0022] According to a sample vaporization system of an embodiment of the present invention, the sample is vaporized by an electro-heated pressure reducing valve, and then enters the box body in a pure gaseous state, and then passes through filtration, etc., and finally enters the analyzer for analysis, ensuring the consistency of the sample phase state and more accurate analysis.

[0023] It should be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of a sample vaporization system according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following will combine with the drawings to describe in detail the preferred embodiments of the present invention and further elaborate on the present invention.

[0026] First, it will be combined with Figure 1 Describe a sample vaporization system according to an embodiment of the present invention, which is used for vaporization treatment before the sample enters the analyzer 4 and has a wide range of application scenarios.

[0027] Such as Figure 1 As shown, a sample vaporization system according to an embodiment of the present invention has a sampling tube 1, an electro-heated pressure reducing valve 2, and a vaporization holding module.

[0028] Specifically, as Figure 1 As shown, the sampling tube 1 is used to transport the pure liquid sample.

[0029] Specifically, as Figure 1 As shown, the input end of the electro-heated pressure reducing valve 2 is connected to the output end of the sampling tube 1 and is used to vaporize the sample transported by the sampling tube 1 to form a pure gaseous sample;

[0030] Specifically, as Figure 1As shown, the vaporization holding module is connected to the output end of the electro-heated pressure reducing valve 2 and the external analyzer 4, and is used to convey the sample in a pure gaseous state into the analyzer 4. The vaporization holding module includes: a box body 31, a conveying pipe 32, a first temperature detector 33, a heat preservation layer 34, and a second temperature detector 35. A heater 311 is provided inside the box body 31, and the heater 311 is used to heat the inside of the box body 31; the input end of the conveying pipe 32 is connected to the output end of the electro-heated pressure reducing valve 2, and the output end of the conveying pipe 32 penetrates the box body 31 and is connected to the analyzer 4; the first temperature detector 33 detects the temperature inside the box body 31; the heat preservation layer 34 covers a section of the conveying pipe 32 between the box body 31 and the analyzer 4; the second temperature detector 35 is used to detect the temperature of a section of the conveying pipe 32 between the box body 31 and the analyzer 4. Through the setting of the heat preservation layer 34, the temperature of a section of the conveying pipe 32 between the box body 31 and the analyzer 4 is stabilized, ensuring that the sample enters the analyzer 4 in a pure gaseous state.

[0031] Further, as Figure 1 shown, the vaporization holding module includes: a pressure regulating valve 36 and a pressure transmitter 37. The pressure regulating valve 36 is communicated with the conveying pipe 32; the pressure transmitter 37 is communicated with the conveying pipe 32.

[0032] Further, as Figure 1 shown, the vaporization holding module further includes: a filter 38, and the filter 38 is communicated with the conveying pipe 32 and is used to filter the sample in the conveying pipe 32.

[0033] Further, as Figure 1 shown, the vaporization holding module further includes: a first needle valve 39, and the first needle valve 39 is communicated with the conveying pipe 32 and is used to control the on-off of the conveying pipe 32.

[0034] Further, as Figure 1 shown, a sample vaporization system according to an embodiment of the present invention further includes: a second needle valve 5, and the second needle valve 5 is connected to the sample injection pipe 1 and is used to control the on-off of the sample injection pipe 1.

[0035] Further, as Figure 1 shown, a sample vaporization system according to an embodiment of the present invention further includes: a bypass pipeline 6 and a ball valve 7. The bypass pipeline 6 is connected to the sample injection pipe 1 and is used to divert the sample conveyed by the sample injection pipe 1; the ball valve 7 is connected to the bypass pipeline 6 to control the on-off of the bypass pipeline 6.

[0036] Working principle: During use, the sample in a pure liquid state enters through the sample injection pipe 1, is vaporized by the electro-heated pressure reducing valve 2, and is conveyed through the conveying pipe 32 inside the box body 31. At this time, the sample is in a pure gaseous state, and then passes through the filter 38 and finally enters the analyzer 4 for analysis.

[0037] Above, with reference toFigure 1 A sample vaporization system according to an embodiment of the present utility model is described. The sample is vaporized through an electro-heated pressure reducing valve 2 and then enters the box body 31 in a pure gaseous state. After passing through filtration and the like, it finally enters the analyzer 4 for analysis, ensuring the consistency of the sample phase state and more accurate analysis.

[0038] It should be noted that in this specification, the terms "including", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not explicitly listed, or further includes elements inherent to such a process, method, article or device. Without further limitation, the elements defined by the statement "comprising..." do not exclude the presence of additional identical elements in the process, method, article or device including the said elements.

[0039] Although the content of the present utility model has been introduced in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation to the present utility model. After those skilled in the art have read the above content, various modifications and alternatives to the present utility model will be obvious. Therefore, the protection scope of the present utility model should be defined by the appended claims.

Claims

1. A sample vaporization system, characterized in that: Include: Injection tube, used to deliver pure liquid samples; An electric heating pressure reducing valve, the input end of which is connected to the output end of the sampling tube, and is used to vaporize the sample transported by the sampling tube to form a pure gaseous sample; A vaporization and maintenance module is connected to the output end of the electric heating pressure reducing valve and an external analyzer, and is used to maintain the sample in a pure gaseous state and transport it to the analyzer.

2. The sample vaporization system according to claim 1, characterized in that: The vaporization maintenance module comprises: A box body, wherein a heater is provided inside the box body; A delivery pipe, wherein the input end of the delivery pipe is connected to the output end of the electric heating pressure reducing valve, and the output end of the delivery pipe passes through the box and is connected to the analyzer; a first temperature detector, the first temperature detector detecting the temperature inside the box; A heat-insulating layer, the heat-insulating layer covering a section of the conveying pipe between the box and the analyzer; A second temperature detector is used to detect the temperature of a section of the delivery pipe between the box and the analyzer.

3. The sample vaporization system according to claim 2, characterized in that: The vaporization maintenance module comprises: a pressure regulating valve, the pressure regulating valve being in communication with the delivery pipe; A pressure transmitter is connected to the delivery pipe.

4. The sample vaporization system according to claim 2 or 3, characterized in that: The vaporization holding module further comprises: a filter, which is communicated with the delivery tube and is used for filtering the sample in the delivery tube.

5. The sample vaporization system according to claim 2, characterized in that: The vaporization maintaining module further includes: a first needle valve, which is communicated with the delivery pipe and is used to control the on-off of the delivery pipe.

6. The sample vaporization system according to claim 1, characterized in that: It also includes: a second needle valve, which is connected to the sampling tube and is used to control the on-off of the sampling tube.

7. The sample vaporization system according to claim 1, characterized in that: Also includes: A bypass pipeline, the bypass pipeline is connected to the sample inlet tube; A ball valve is connected to the bypass pipeline to control the on-off of the bypass pipeline.

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