TWM561793U - All-in-one VOCs measurement instrument - Google Patents

Abstract

All-in-one VOCs measurement instrument, including a machine body, a maintaining interface and an analysis space consisted of a temperature control module, a sampling module, a analysis module and a calculation module are provided in one machine body, each module in the analysis space can be maintained through the maintaining interface, so as to analyze the volatile organic compounds from the monitoring environment. Therefore, the invention provides an integrated analysis instrument to simplify the configuration of the machine, which can not only reduce the use of space, but also easy to audit and maintenance the instrument.

Description

Integrated volatile organic matter analysis machine

This creation involves a volatile organic matter analysis technique, in detail, an integrated volatile organic matter analysis machine with an integrated design.

With the advancement of the human industry, air pollution is gradually increasing. Therefore, all major industrial countries in the world have regulatory standards for the emission of volatile organic compounds (VOCs), and there is a growing trend that industrial gas environments are often required to be retrofitted. A measurement system that measures the composition of volatile organic compounds in a gas.

The above volatile organic substances generally refer to organic compounds which have a boiling point of less than 250 ° C under standard conditions (0 ° C and 760 mmHg), and even some people directly define volatile organic substances as all organically present in the atmosphere in a gaseous state. A compound comprising an organic compound such as total hydrocarbon (THC) or non-methane total hydrocarbon (NMHC).

The analytical treatment of the conventional volatile organic substances generally includes the steps of sampling the gas to be tested, and detecting and analyzing the volatile organic substances in the gas to be tested. However, in the prior art, the above processes are processed. The steps are usually completed by the testing machines produced by different manufacturers. Therefore, it is necessary to leave a large space on the site to place these testing machines. In addition, the technology used by each manufacturer to develop the testing machine may be different. Leading to the inspection machines produced by various manufacturers In the analysis and processing of volatile organic substances, there may be integration difficulties, which is not conducive to the operation of the operator, and is not conducive to the subsequent maintenance and repair operations of the equipment repair personnel.

In view of this, how to provide a simplified configuration of an integrated volatile organic matter analysis machine to overcome the above-mentioned various drawbacks of the prior art, that is, the technical problem to be solved in this case.

In view of the above problems of the prior art, the main purpose of the present invention is to provide an integrated volatile organic matter analysis machine to provide a simplified on-site configuration and to reduce the use space for ease of production, assembly, and maintenance.

Another object of the present invention is to provide an integrated volatile organic matter analysis machine that integrates sampling and detection of gas to be analyzed, exhaust gas discharge, and data analysis and processing to provide an automated processing flow for volatile organic matter analysis.

Another object of the present invention is to provide an integrated volatile organic matter analysis machine that provides self-detection of the analysis machine.

To achieve the above and other objects, the present invention provides an integrated volatile organic matter analysis machine for loading a remote analyte in a remote analysis environment for analysis of volatile organic compounds by means of a sampling tube. Or loading a near-end analysis environment to analyze the volatile organic matter in the near-end analysis environment. During the analysis, the environmental parameters of the remote gas to be analyzed may be collected, thereby generating a distal end. Collecting a message, the integrated volatile organic matter analysis machine includes: a machine body adjacent to the near-end analysis environment but away from the remote analysis environment, and having a maintenance interface and an analysis space inside, The analysis space is provided with a temperature control module, a sampling module, a detection module and a calculation module, and the maintenance interface is connected to the analysis space, and the maintenance interface is In the analysis space, the temperature control module, the sampling module, the detection module and the calculation module are maintained; wherein the sampling module loads the gas to be analyzed at the far and near ends; the detection module receives The far-end and near-end gas to be analyzed sent by the sampling module to detect the composition or concentration of the volatile organic substance in the far and near-end gas to be analyzed, and output a remote detecting message or a near end Detecting a message; the computing module calculates an analysis parameter of the volatile organic substance in the far-end and near-end gas to be analyzed according to the remotely collected information and the far-end and near-end detection information; and the temperature control module provides The heat is increased to increase the saturated vapor pressure of the gas to be analyzed at the far and near ends of the sampling module and the detection module, and the current vapor pressure of the gas to be analyzed by the sampling module and the detection module at the far and near ends Less than the associated saturated vapor pressure. .

Preferably, in the integrated volatile organic substance analysis machine, the far and near end gas system to be analyzed is a standard gas or a sample gas.

Preferably, in the integrated volatile organic substance analysis machine, the far and near end gas system to be analyzed is a standard gas, and the calculation module further obtains the gas to be analyzed according to the near end detection information. The component or concentration of the volatile organic substance, thereby providing automatic calibration or abnormality detection to the detection module, and the calculation module further obtains the volatilization of the gas to be analyzed according to the far and near end detection information. The degree of deviation of the composition or concentration of the organic material, thereby providing automated anomaly detection of the sampling tube.

Preferably, in the integrated volatile organic substance analysis machine, the utility model further comprises a clean air supply device, which provides a positive pressure clean air flow to the sampling pipe when a predetermined time arrives or when the sampling pipe detects an abnormality. To clean the sampling tube.

Preferably, in the integrated volatile organic substance analysis machine, the detection module further comprises a first sample storage device for storing the quantitative and near-end gas to be analyzed; a carrier gas provider Used to provide a carrier gas, wherein the carrier gas system does not have the volatility of the gas to be analyzed at the far and near ends. a chemical reaction occurs in the organic substance; a negative pressure provider is used to provide a negative pressure; and a sample separator separates and sequentially outputs the volatile organic substances in the gas to be analyzed in the near and near ends; a detector for receiving the volatile organic substance sequentially outputted by the sample separator to detect a component or concentration of a volatile organic substance of the far and near gas to be analyzed; and an injection valve attached to the injection valve Switching between a load state (LOAD) and a sample injection state (INJECT); wherein, when the injection valve is switched to the load state, the injection valve is connected to a negative pressure provided by the negative pressure provider, so that the The far-end and near-end gas to be analyzed enters the first sample storage device; when the injection valve is switched to the injection state, the injection valve is connected to the carrier gas provided by the carrier gas provider, so that the first A sample of the far-end and near-end gas to be analyzed stored in the sample reservoir enters the sample separator, and then the volatile organic substances in the gas to be analyzed in the far and near ends are sequentially outputted to the sample separator through the sample separator. The sample detector Detection.

Preferably, in the integrated volatile organic substance analysis machine, the detection module further comprises a second sample storage device for storing the quantitative gas of the far and near end to be analyzed, wherein when the injection valve is switched Up to the loading state, the injection valve is connected to the negative pressure provided by the negative pressure provider, so that the far and near-end gas to be analyzed enters the second sample storage for storage; when the injection valve is switched to the In the injection state, the injection valve is connected to the carrier gas provided by the carrier gas provider, so that the quantitative and far-end gas to be analyzed stored in the second sample reservoir enters the sample detector for detection.

Preferably, in the integrated volatile organic substance analysis machine, the detection module further comprises a filter, which receives the negative pressure of the negative pressure provider, so that the far and near end gas to be analyzed flows in, The liquid in the far and near end gas to be analyzed is filtered; and a liquid ejector is connected to the filter to discharge the liquid stored in the filter.

Preferably, in the integrated volatile organic substance analysis machine, the machine body is further provided with a sampling module unloading structure, a detecting module unloading structure and a computing module unloading structure, The sampling module unloading structure, the detecting module unloading structure or the computing module unloading structure is operated by the maintenance interface, and the sampling module, the detecting module or the computing module is uninstalled to perform maintenance work on the unloader .

Preferably, in the integrated volatile organic substance analysis machine, the sampling module or the detection module further has a granular material filtering unit for filtering the granular material for the far and near end gas to be analyzed. .

Preferably, in the integrated volatile organic substance analysis machine, the detection module is a GC-FID detector, and the integrated volatile organic substance analysis machine further has a hydrogen channel connected to the detection module. The hydrogen switching valve is disposed in the hydrogen channel to control the opening and closing state of the hydrogen channel; and the monitoring unit monitors the combustion state of the detecting module, and The hydrogen switching valve is closed to close the hydrogen passage when detecting that the combustion state is in a preset warning state.

In summary, the integrated VOC analyzer is integrated into the analysis space of the machine body by modularizing the temperature control module, sampling module, detection module and calculation module. The way it is configured, streamlining the configuration of the site and reducing the space used.

Furthermore, the integrated VOC analysis machine of the present invention can detect whether there is an abnormality in the sampling module or the detection module by calculating the degree of deviation of the composition or concentration of the gas to be analyzed in the remote and near-end analysis environment. In order to realize the self-detection function of the machine, and when detecting the abnormality of the sampling module, it can also provide a clean airflow to clean the sampling module.

In addition, the author uses a negative pressure provider to allow the distal or proximal gas to be analyzed to flow uniformly and detect the analysis, thereby improving the accuracy of the detection analysis.

Furthermore, the functional modules in the integrated VOC analyzer can be installed or unloaded separately for the convenience of equipment assembly and maintenance.

1‧‧‧The whole type of volatile organic matter analysis machine

10‧‧‧ gas sensor

11‧‧‧ machine body

111‧‧‧Maintenance interface

112‧‧‧ Analysis space

1121‧‧‧temperature control module

1122‧‧‧Sampling module

11221‧‧‧Party substance filtration unit

1123‧‧‧Test module

11230‧‧‧sample gas input line

11231a‧‧‧First sample storage

11231b‧‧‧Second sample storage

11232‧‧‧Carrier carrier

112321, 112322‧‧‧ Carrier gas flow control valve

11233‧‧‧Negative pressure provider

112331‧‧‧Negative pressure provider unloading structure

11234a, 11234b‧‧‧ Sample Separator

11235‧‧‧sample detector

11236‧‧‧Injection valve

11237‧‧‧Filter

11238‧‧‧Liquid ejector

1124‧‧‧Computation Module

113‧‧‧ Clean Air Provider

115‧‧‧Sampling module unloading structure

116‧‧‧Detection module unloading structure

117‧‧‧Computed module unloading structure

1181‧‧‧ Hydrogen channel

11811‧‧‧Hydrogen control valve

1182‧‧‧ Hydrogen switching valve

1183‧‧‧Monitoring unit

1184‧‧ Air passage

11841‧‧‧Air control valve

2‧‧‧Remote analysis environment

21‧‧‧Monitor port

3‧‧‧ Near-end analysis environment

41‧‧‧Inlet

411‧‧‧Sampling tube

412‧‧‧Party substance filtration unit

42‧‧‧Communication port

424‧‧‧Drain outlet

425‧‧‧Second vent

43‧‧‧Wall mounts

44‧‧‧ touch display

62,63‧‧‧ Valve

1 is a view showing the field configuration of the integrated volatile organic substance analysis machine of the present invention; FIG. 2 is a block diagram showing the machine body of the integrated volatile organic substance analysis machine of the present invention; The schematic diagram of the detection module of the integrated VOC analyzer is in the sample loading state (LOAD); Figure 4 shows the detection module of the integrated VOC analyzer in the creation is injecting A schematic diagram of the state (INJECT); and Figures 5 through 10 are schematic structural views respectively showing different embodiments of the integrated volatile organic matter analysis machine of the present invention.

The following content will be described in conjunction with the drawings, and the technical contents of the present invention will be described by a specific embodiment. Those skilled in the art can easily understand other advantages and effects of the present invention by the contents disclosed in the present specification. This creation can also be implemented or applied by other different embodiments. The details of the present specification can also be modified and changed without departing from the spirit of the present invention. In particular, the proportional relationship and relative position of the various elements in the drawings are for exemplary purposes only and are not representative of actual implementation of the present invention.

Fig. 1 is a view showing the field configuration of the integrated volatile organic substance analysis machine 1 of the present invention. The integrated volatile organic matter analysis machine 1 of the present invention can be loaded with a remote analyte gas to be analyzed by a sampling tube 411 for loading into a remote analysis environment 2, or loaded into a proximal end. The analysis of the volatile organic compounds is carried out by analyzing the gas to be analyzed at a near end of the environment 3. As shown in the figure, an external sampling tube 411 can be provided in the inlet 41 of the machine body 11 of the present invention to be connected to a monitoring port 21 at a remote end (for example, a chimney or a factory area for discharging exhaust gas from a factory) The environment collected by the monitoring port 411 is received by the sampling tube 411, and the composition and content of the volatile organic substances in the collected gas are analyzed; or the inlet 41 of the machine body 11 of the present invention is created. The composition and amount of volatile organic compounds in the air of the near-end environment can also be analyzed by directly collecting the air in the near-end environment in which it is currently located.

In the preferred embodiment, a granular material filtering unit 412 is further disposed at the front end of the sampling tube 411 for filtering the granular material for the gas to be analyzed at the distal end.

In addition, in the process of analysis, the integrated volatile organic substance analysis machine 1 of the present invention further has a gas sensor 10 for separately collecting environmental parameters such as temperature, pressure, flow rate and humidity of the gas to be analyzed at the distal end, and According to the remote collection information, the remote collection information can be transmitted to the communication port 42 of the machine body 11 via the signal line, and then used by the machine body 11 as a gas detection and analysis reference. In the diagram shown in FIG. 1 , it is exemplarily shown that the temperature value of the gas to be analyzed at the distal end can be collected by a thermometer, and the pressure value of the gas to be analyzed at the distal end is collected by a pressure gauge, and the distal end is collected by the hygrometer. Analyze the humidity value of the gas, collect the flow rate of the gas to be analyzed at the far end through the flow sensor, and the environmental parameters collected are not limited to this. It can also be collected according to the actual environment and analysis requirements. Various environmental parameters that affect. Moreover, the gas sensor 10 is connected to the communication port 42 of the machine body 11 through a signal line to transmit the remotely collected information sensed thereto to the machine body 11.

Referring to FIG. 1 , in the embodiment, the wall mounts 43 can be respectively disposed around the machine body 11 to fix the machine body 11 to the wall, so as to properly utilize the use space. A touch display screen 44 is further disposed on the outside of the box door of the machine body 11 for displaying relevant output information of the machine body 11 and providing input related operation instructions.

Please refer to FIG. 2, which is a block diagram showing the machine body 11 of the integrated volatile organic substance analysis machine 1 of the present invention. As shown in the figure, the machine body 11 of the present invention is adjacent to the near-end analysis environment 3 but away from the remote analysis environment 2 (please refer to FIG. 1), and a maintenance interface 111 is disposed in the machine body 11 and is on the machine platform. The interior of the body 11 has an analysis space 112. The analysis space 112 is provided with a temperature control module 1121, a sampling module 1122, a detection module 1123 and a calculation module 1124. The maintenance interface 111 is connected to the analysis space 112. The maintenance personnel can perform maintenance on the temperature control module 1121, the sampling module 1122, the detection module 1123, and the calculation module 1124 in the analysis space 112 through the maintenance interface 111.

The specific functions of each functional module in the analysis space 112 will be specifically described below with reference to FIG. 3 to FIG.

As shown in FIG. 5, the temperature control module provides heat to increase the saturated vapor pressure of the gas to be analyzed at the far and near ends of the sampling module 1122 and the detection module 1123, and the sampling module 1122 and the detection module 1123 are provided. The current vapor pressure of the far and near-end gas to be analyzed is less than the associated saturated vapor pressure, thereby avoiding the condensation problem of the gas to be analyzed in the analysis space at the far and near ends, that is, avoiding the far and near-end gas to be analyzed during the analysis process. The tube wall of the pipe condensed in the integrated volatile organic matter analysis machine 1.

As shown in FIG. 5, the sampling module 1122 can load the gas to be analyzed at the distal end and deliver the gas to be analyzed at a predetermined temperature interval, or the sampling module 1122 can also be loaded in the near-end analysis environment 3. The gas to be analyzed is proximally analyzed, and the gas to be analyzed at the proximal end is delivered at the predetermined temperature interval. Preferably, a granular material filtering unit 11221 (shown in FIG. 3 or FIG. 4) may be disposed on the sampling module 1122 for The gas to be analyzed is input to the far and near ends of the machine body 11 to perform filtering treatment of the particulate matter to prevent the internal piping of the machine body 11 from being contaminated by the particulate matter.

As shown in FIG. 10, the detecting module 1123 is configured to receive the far and near-end gas to be analyzed conveyed by the sampling module 1122, and detect the components of the volatile organic substances in the far and near-end gas to be analyzed under a predetermined temperature interval. Or concentration, and according to which a remote detection message or a near-end detection message is output.

The operation principle of the detection module 1123 of the present invention will be specifically described below with reference to FIGS. 3 to 9. 3 is a schematic diagram showing an embodiment of the detection module 1123 of the integrated volatile organic substance analysis machine of the present invention in a sample loading state (LOAD); FIG. 4 is an integrated volatile organic substance analyzer showing the creation of the present invention. The detection module 1123 of the station is in a schematic state of the injection state (INJECT).

In one embodiment, the detection module 1123 further includes a first sample reservoir 11231a, a carrier gas provider 11232, a negative pressure provider 11233, a sample separator 11234, a sample detector 11235, and an injection valve. 11236.

The first sample reservoir 11231a is shown in FIG. 3 or FIG. 4 for storing a quantitative amount of gas to be analyzed at the far and near ends. In the present embodiment, the first sample reservoir 11231a is a sample storage line as shown in FIGS. 3 and 4.

In addition, in other preferred embodiments, the detection module 1123 can also have a second sample reservoir 11231b, as shown in FIG. 3 and FIG. 4, which is also used to store a quantitative amount of the gas to be analyzed at the far and near ends.

The carrier gas provider 11232 is configured to provide a carrier gas as shown in FIG. 3, FIG. 4, FIG. 5, or FIG. 7. In the embodiment, the carrier gas provided is, for example, an inert gas, which is not far away. The volatile organic substances in the gas to be analyzed at the near end undergo a chemical reaction so as not to affect the detection result of the volatile organic substances in the gas to be analyzed. Furthermore, as shown in FIG. 3, FIG. 4 or FIG. 5, the carrier gas provider 11232 further has two carrier gas flow control valves 112321, 112322 for controlling the input flow rate of the carrier gas.

The negative pressure provider 11233 is shown in Figures 3, 4, 5, or 8, which is used to provide a negative pressure. In the present embodiment, the negative pressure provider 11233 is, for example, a negative pressure pump for driving the gas to be analyzed in the far and near ends to be driven by the negative pressure to enter the relevant detection pipeline of the detection module 1123 for detection (please Details later).

The sample separators 11234a, 11234b are shown in FIGS. 3 and 4 for separating and sequentially output volatile organic substances in the gas to be analyzed in the far and near ends by type. In the present embodiment, the sample separators 11234a, 11234b are, for example, a sample separation line as shown in FIGS. 3 and 4.

The sample detector 11235 is shown in FIG. 3, FIG. 4 or FIG. 6, and is configured to receive the volatile organic substances sequentially output by the sample separator 11234 to detect volatile organic substances in the far and near gases to be analyzed. Component or concentration. In this embodiment, the sample detector 11235 can be, for example, an FID detector or a PID detector, but is not limited thereto.

The injection valve 11236 is as shown in FIG. 3, FIG. 4 or FIG. 5, wherein the injection valve 11236 is, for example, a ten-way valve, which can be switched between a loading state (LOAD) and a injection state (INJECT) to form a different Pathway.

Referring to FIG. 3, when the injection valve 11236 is switched to the loading state, the injection valve 11236 is connected to the negative pressure provided by the negative pressure provider 11233, so that the far and near-end gas to be analyzed enters the first sample storage 11231a. Store. In a preferred embodiment, the far and near end gas systems to be analyzed are stored in the first sample reservoir 11231a and the second sample reservoir 11231b, respectively. Specifically, in the loading state, the injection valve 11236 is in communication with the negative pressure provider 11233 to receive the negative pressure provided by the negative pressure provider 11233, and the gas to be analyzed in the far and near ends is sequentially passed through the sample gas inlet pipe. Lane 11230 is stored in the first sample reservoir 11231a for storage. Preferably, the far and near-end gas to be analyzed can be further stored in the second sample reservoir 11231b through the first sample reservoir 11231a, and finally via the negative pressure provider 11233. The second exhaust port of the machine body 11 (i.e., the second exhaust port 425 of FIG. 9) or the drain port (ie, the drain port 424 of FIG. 9) is delivered to the outer space of the machine body 11.

Referring to FIG. 4, when the injection valve 11236 is switched to the injection state, the injection valve 11236 is connected to the carrier gas provided by the carrier gas provider 11232 to make the first sample reservoir 11231a (the second sample reservoir 11231b). The stored quantitative far and near-end gas to be analyzed enters sample separator 11234a (sample separator 11234b), and then passes through sample separator 11234a (sample separator 11234b) to transport volatile organic compounds in the gas to be analyzed at the far and near ends. The samples are sequentially outputted to the sample detector 11235 for detection. Specifically, in the loaded state, the injection valve 11236 is in communication with the carrier gas provider 11232 to access the carrier gas, and the carrier gas enters the first sample reservoir 11231a via the carrier gas flow control valve 112321, and is stored in The far and near-end gas to be analyzed in the first sample reservoir 11231a sequentially enters the sample separator 11234a via the injection valve 11236, and then passes through the sample separator 11234a to press the volatile organic substances in the gas to be analyzed at the far and near ends. The types are sequentially output to the sample detector 11235 for detection. Preferably, in the loaded state, the injection valve 11236 is also in communication with the carrier gas provider 11232 to access the carrier gas, and the carrier gas enters the second sample reservoir via the carrier gas flow control valve 112322 and through the injection valve 11236. 11231b, wherein the far and near-end gas to be analyzed stored in the second sample reservoir 11231b sequentially enters the sample separator 11234b via the injection valve 11236, and then passes through the sample separator 11234b to volatilize the gas to be analyzed in the far and near ends. The organic substances are sequentially output to the sample detector 11235 for detection. However, it should be explained that the second sample reservoir 11231b and the sample separator 11234b may also be omitted.

Moreover, in the injection state, the far and near-end gas to be analyzed input through the sample gas input line 11230 is outputted through the injection valve 11236 under the negative pressure of the negative pressure provider 11233, and finally passes through the negative pressure. The provider 11233 is conveyed to the outer space of the machine body 11 through the second exhaust port of the machine body 11 (ie, the second exhaust port 425 of FIG. 9) or the drain port (ie, the drain port 424 of FIG. 9).

Preferably, the detection module 1123 can also be provided with a granular material filtering unit (not shown) for providing filtering treatment of the granular material for the far and near-end gas to be analyzed.

In another embodiment of the present invention, the detection module 1123 further includes a filter 11237 and a liquid ejector 11238.

The filter 11237 (shown in FIG. 3 or FIG. 4) is configured to receive the negative pressure of the negative pressure provider 11233, so that the far and near ends of the gas to be analyzed flow in, to filter the liquid in the gas to be analyzed in the far and near ends. except. In a specific embodiment, the filter 11237 is a water removal filter cup, wherein the liquid separated from the gas to be analyzed from the far and near ends is precipitated in the lower layer of the water removal cup due to gravity, and is far and near. The gas separated from the gas to be analyzed passes through the water removal cup.

The liquid ejector 11238 (shown in FIG. 3, FIG. 4, FIG. 5 or FIG. 8) is connected to the filter 11237 for discharging the liquid accumulated in the lower layer of the filter 11238. In a specific embodiment, the liquid ejector 11238 is a peristaltic pump that prevents backflow of liquid and contaminates the internal tubing of the machine body 11.

In addition, in another embodiment of the present invention, the detection module 1123 is, for example, a GC-FID detector, but is not limited thereto. When the detection module 1123 is a GC-FID detector, the integrated volatile organic matter analysis machine 1 further has a hydrogen channel 1181, a hydrogen switching valve 1182 and a monitoring unit 1183.

The hydrogen channel 1181 is as shown in FIG. 3, FIG. 4 or FIG. 7, and is connected to the detection module 1123 (ie, the GC-FID detector), specifically, the sample detector 11235 connected to the detection module 1123 for providing The detection module 1123 burns the required hydrogen (H2). As shown in FIG. 3, FIG. 4 or FIG. 5, a hydrogen control valve 11811 is further provided on the hydrogen passage 1181 for controlling the input flow rate of hydrogen. In addition, an integrated volatile organic matter analysis machine 1 air passage is connected to the sample detector 11235 of the detection module 1123 for providing The detection module 1123 burns the required air (AIR). Similarly, as shown in FIG. 3, FIG. 4 or FIG. 5, an air control valve 11841 is also provided on the air passage 1184 for controlling the input flow rate of the air.

The hydrogen switching valve 1182 is shown in FIG. 3, FIG. 4 or FIG. 5, and is disposed on the hydrogen channel 1181 to control the opening and closing state of the hydrogen channel 1181. In a specific embodiment, a warning threshold (eg, a hydrogen explosion limit) may be set for the hydrogen switching valve 1182, and when the hydrogen gas is detected to reach the warning threshold, the hydrogen switching valve 1182 automatically closes the hydrogen channel 1181; or The hydrogen switching valve 1182 can automatically close the hydrogen channel 1181 when the GC-FID detector is turned off to ensure safety.

The monitoring unit 1183 is configured to monitor the combustion state of the detection module 1123 as shown in FIG. 7, and when the combustion state is detected to be in a preset warning state, the hydrogen switching valve 1182 closes the hydrogen passage 1181.

The calculation module 1124 is configured to calculate the analysis parameters of the volatile organic substances in the gas to be analyzed in the far and near ends according to the remotely collected information and the far and near end detection messages. Referring to FIG. 7 , in the present creation, the calculation module 1124 is disposed on the inner side wall of the box door of the machine body 11 .

In another embodiment of the present invention, the far and near-end gas system to be analyzed may be, for example, a standard gas or a sample gas, wherein the composition or concentration of the volatile organic substance of the sample gas is unknown, and the standard gas system refers to Specify a component or concentration of volatile organic compounds. Please refer to FIG. 1, FIG. 3 or FIG. 4, wherein the integrated volatile organic matter analysis machine 1 is loaded from the inlet 41 through the sampling tube 411 to the distal end of the remote analysis environment 2 to be analyzed. The analysis of volatile organic substances, or the integrated volatile organic matter analysis machine 1 can be loaded into the near-end analysis gas of the near-end analysis environment 3 for analysis of volatile organic substances. The far-end and near-end gas system to be analyzed may be a standard gas, and the calculation module 1124 further obtains the composition or concentration of the volatile organic substance of the gas to be analyzed at the near end according to the near-end detection message, thereby providing automation for the detection module 1123. The ground correction or abnormality detection, the calculation module 1124 also detects the message according to the far and the near end. The degree of deviation of the composition or concentration of the volatile organic substance of the gas to be analyzed at the far and near ends is obtained, thereby providing an automatic abnormality detection to the sampling tube 411, and detecting whether the sampling tube 411 is abnormal such as contamination.

Preferably, the volatile organic substance detecting machine 1 of the present invention further has a clean air provider 113 for providing the sampling tube 411 when a predetermined time arrives or when an abnormality is detected in the sampling tube 411. A positive pressure of clean air to clean it.

Specifically, please refer to FIG. 3 or FIG. 4 , the clean air provider 113 can provide a positive pressure clean air flow to the cleaning product input port when analyzing the abnormality of the sampling tube 411, or the clean air provider 113 can also be used. A positive pressure clean air flow is periodically supplied to the sampling tube 411 at a predetermined time to perform a cleaning operation on the sampling tube 411. Referring to FIG. 3, the clean air provider 113 can input a clean air flow through the cleaning product input port, and the clean air flow is reversely sent to the valve 62 via the valve 63, and then blown through the inlet through the valve 62 to enter the FIG. In the sampling tube 411 shown, the sampling tube 411 is cleaned, and at the same time, the granular material filtering unit 412 disposed on the sampling tube 411 can be cleaned, that is, the granular material is blown by the back-purging cleaning gas. The particulate matter blocked by the filter unit 412 is blown back.

Referring to FIG. 3 or FIG. 4 , in another embodiment of the present invention, the machine body 11 is further provided with a first exhaust port for balancing the air pressure in the internal pipeline of the machine body 11 . Specifically, the internal pipeline of the machine body 11 of the present invention is a negative pressure pipeline, and the far and near end gas systems to be analyzed are input to the machine body 11 by the negative pressure provided by the negative pressure provider 11233. In the internal pipeline, the first exhaust port connected to the outside can be in the inner tube because the standard gas system input through the input ports such as the first, second, and third standards is a positive pressure gas. When the road is filled with a positive pressure standard gas, it is used to adjust the pressure of the internal piping to balance the pressure of the internal piping.

In another embodiment of the present invention, a sampling module unloading structure 115 (shown in FIG. 5), a detecting module unloading structure 116 (shown in FIG. 10), and a computing module are further disposed in the machine body 11. The group unloading structure 117 (shown in FIG. 7), the relevant manager can operate the sampling module unloading structure 115, the detecting module unloading structure 116 or the computing module unloading structure 117 through the maintenance interface 111, and independently install or unload the sampling module. The module 1123 or the computing module 1124 is configured to facilitate an assembly or maintenance operation for each functional module inside the machine body 11. It should be noted that the detachable function module is not limited to the above, and the functional modules inside the machine body 11 of the present invention can be independently disassembled in principle, for example, the negative pressure provider 11233 (cum liquid discharge device) 11238) can also be unloaded by the negative pressure provider unloading structure 112331 (cum liquid discharger unloading structure) shown in FIG.

Compared with the prior art, the integrated volatile organic substance analysis machine of the present invention has the following advantages: First, the creation of the system through the temperature control module, sampling module, detection module, calculation module and other functions The module is integrated in the analysis space of a machine body, which provides a simplified and simple on-site configuration and greatly reduces the use space. It also helps maintenance personnel to perform unified maintenance and maintenance operations on the analysis machine.

Secondly, this creation can be used to analyze the gas to be analyzed in the near-end or far-end analysis environment, and it can be applied to a wide range, and can further calculate the degree of deviation of the composition or concentration of the gas to be analyzed in the remote and near-end analysis environment. According to the analysis of whether the sampling module or the detection module in the machine has an abnormality, the self-detection function of the machine is realized. Furthermore, when there is an abnormality in the sampling module in the analysis machine, the cleaning device can be cleaned for the contaminated sampling module through the air purifier provided in the machine.

In addition, the present invention utilizes a negative pressure provider to cause the distal or proximal gas to be analyzed to flow into the relevant sampling and detection lines by a vacuum suction method to ensure the stability of the gas flow to be analyzed in the pipeline. Thereby improving the accuracy of the analysis result of the gas to be analyzed.

Furthermore, the integrated VOC analyzer of the present invention is provided with a corresponding unloading structure for each component in the machine body, so that each functional module inside the machine body can be separately installed or unloaded. In order to perform assembly or maintenance operations for each functional component inside the machine.

The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Any person skilled in the art can modify and change the above embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this creation should be as listed in the scope of application for this creation.

Claims (10)

An integrated volatile organic matter analysis machine is configured to load a remote gas to be analyzed in a remote analysis environment by a sampling tube for analysis of volatile organic substances, or to load a near-end analysis environment. The gas to be analyzed is analyzed at the proximal end for the analysis of the volatile organic substance. During the analysis, the environmental parameters of the gas to be analyzed at the distal end can be collected, and a remote collection information is generated, and the integrated volatile organic substance is analyzed. The machine includes: a machine body adjacent to the near-end analysis environment but away from the remote analysis environment, and is provided with a maintenance interface, and has an analysis space inside, the analysis space is provided with a temperature control module, a sampling a module, a detection module and a calculation module, wherein the maintenance interface is connected to the analysis space, and the temperature control module, the sampling module, and the detection module are maintained in the analysis space through the maintenance interface And the computing module; wherein the sampling module is configured to load the gas to be analyzed at the far and near ends; the detecting module receives the far and near end gas to be analyzed conveyed by the sampling module Detecting a component or concentration of the volatile organic substance of the gas to be analyzed in the far and near ends, and outputting a remote detection message or a near-end detection message; the computing module is configured to The far and near end detection information is used to calculate the analysis parameter of the volatile organic substance in the far and near end gas to be analyzed; and the temperature control module provides heat to make the sampling module and the detection module far and near The saturated vapor pressure to which the gas to be analyzed belongs is increased, and the current vapor pressure of the gas to be analyzed at the far and near ends of the sampling module and the detection module is less than the associated saturated vapor pressure. The integrated volatile organic matter analysis machine according to claim 1, wherein the far and near gas system to be analyzed is a standard gas or a sample gas. The integrated volatile organic matter analysis machine according to claim 1, wherein the far and near-end gas system to be analyzed is a standard gas, and the calculation module further obtains the information according to the near-end detection message. The component or concentration of the volatile organic substance of the gas to be analyzed in the near end, thereby providing automatic correction or abnormality detection to the detection module, and the calculation module further obtains the far and near according to the far and near end detection information. The degree of deviation of the composition or concentration of the volatile organic material of the gas to be analyzed is provided, thereby providing automated abnormality detection of the sampling tube. The integrated volatile organic substance analysis machine according to claim 3, further comprising a clean air supply device, which provides positive to the sampling pipe when a predetermined time arrives or when the sampling pipe detects an abnormality. Pressurized clean air to clean the sample tube. The integrated volatile organic matter analysis machine according to claim 1, wherein the detection module further comprises: a first sample storage device for storing the quantitatively determined near and far ends to be analyzed. Gas; a carrier gas provider for providing a carrier gas, wherein the carrier gas system does not chemically react with volatile organic substances in the far and near gas to be analyzed; a negative pressure provider is used for Providing a negative pressure; a sample separator, which separates and sequentially outputs volatile organic substances in the gas to be analyzed according to the type; a sample detector receives the sequence output of the sample separator a volatile organic substance to detect the composition or concentration of the volatile organic substance of the far and near gas to be analyzed; and an injection valve that is between the loading state (LOAD) and the injection state (INJECT) Switch; among them, When the injection valve is switched to the loading state, the injection valve is connected to the negative pressure provided by the negative pressure provider, so that the far and near-end gas to be analyzed enters the first sample storage for storage; When the injection valve is switched to the injection state, the injection valve is connected to the carrier gas provided by the carrier gas provider, so that the stored amount of the far and near-end gas to be analyzed stored in the first sample reservoir enters the The sample separator is then passed through the sample separator to sequentially output the volatile organic substances in the gas to be analyzed in the near and near ends to the sample detector for detection. The integrated volatile organic matter analysis machine according to claim 5, wherein the detection module further comprises: a second sample storage device for storing the quantified gas at the far and near ends to be analyzed. When the injection valve is switched to the loading state, the injection valve is connected to the negative pressure provided by the negative pressure provider, so that the far and near-end gas to be analyzed enters the second sample storage for storage; And when the injection valve is switched to the injection state, the injection valve is connected to the carrier gas provided by the carrier gas provider, so that the stored amount of the far and near-end gas to be analyzed stored in the second sample reservoir enters the Detection is performed in the sample detector. The integrated volatile organic matter analysis machine according to claim 5, wherein the detection module further comprises: a filter that receives the negative pressure of the negative pressure provider to make the far and near The gas to be analyzed is inflowed to filter out the liquid in the far and near-end gas to be analyzed; and a liquid ejector is connected to the filter to discharge the liquid stored in the filter. The integrated volatile organic matter analysis machine according to claim 1, wherein the machine body is further provided with a sampling module unloading structure, a detecting module unloading structure and a computing module unloading structure, Operating the sampling module unloading structure through the maintenance interface, and unloading the detecting module The loading structure or the computing module unloading structure unloads the sampling module, the detecting module or the computing module to perform maintenance operations on the unloader. The integrated volatile organic substance analysis machine according to claim 1, wherein the sampling module or the detection module further has a granular material filtering unit, which is provided for the far and near end gas to be analyzed. Filtration treatment of granular materials. The integrated volatile organic substance analysis machine according to claim 1, wherein the detection module is a GC-FID detector, and the integrated volatile organic substance analysis machine further comprises: a hydrogen channel Connected to the detection module to provide hydrogen for combustion of the detection module; a hydrogen switching valve is disposed in the hydrogen passage to control the opening and closing state of the hydrogen passage; and a monitoring unit monitors the detection The combustion state of the module, and when the combustion state is detected to be in a preset warning state, the hydrogen switching valve is closed to the hydrogen passage.