CN217543138U - Multi-channel multi-component gas analysis control system - Google Patents
Multi-channel multi-component gas analysis control system Download PDFInfo
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- CN217543138U CN217543138U CN202221577029.2U CN202221577029U CN217543138U CN 217543138 U CN217543138 U CN 217543138U CN 202221577029 U CN202221577029 U CN 202221577029U CN 217543138 U CN217543138 U CN 217543138U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides a multi-channel multi-component gas analysis control system, which comprises a master control system, a signal processing module electrically connected with the master control system, at least one sample gas control system arranged in parallel, at least one cleaning control system arranged in parallel and a gas analyzer electrically connected with the signal processing module or the master control system; the sample gas control system comprises a sample gas probe, a sample gas pipeline connected with the sample gas probe, and a sample gas switch controller, a gas driving assembly and a first confluence assembly which are sequentially arranged on the sample gas pipeline along the gas trend, wherein the sample gas switch controller, the gas driving assembly and the first confluence assembly are all electrically connected with the signal processing module, the first confluence assembly is connected with an inlet of a gas analyzer, and the gas analyzer is configured to measure parameters of various gases; the cleaning control system comprises a cleaning pipeline connected with the sample gas probe and a cleaning switch controller arranged on the cleaning pipeline and electrically connected with the signal processing module.
Description
Technical Field
The utility model belongs to the technical field of gas analysis control, especially, relate to a gaseous analytic control system of multichannel multicomponent.
Background
The coal pulverizing system is generally composed of a coal feeder, a coal mill, a bag dust collector, a coal dust bin, an air dust pipeline and the like due to the characteristics of the coal pulverizing system, and the system is huge and complex and is easy to generate spontaneous combustion and spontaneous explosion and the like. When the coal pulverizing system is in normal production, the coal mill, the bag dust collector, the coal powder bin, the wind powder pipeline and the like can be blocked by coal powder and the coal powder can be accumulated for a long time. According to the characteristics of coal, spontaneous combustion can occur after long-term accumulation, and potential safety hazards are caused to a pulverizing system. According to the coal pyrolysis theory, the spontaneous combustion of the coal powder is a continuous oxidation heating process, and carbon monoxide, methane and other special gases are generated during the oxidation reaction. In order to prevent safety accidents, carbon monoxide and other combustible special gases need to be monitored at the position where the potential safety hazard easily occurs.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide a gaseous analytic control system of polycomponent of multichannel to the realization is to the gaseous whole automated inspection control of multiple measurement station.
To achieve the purpose, the utility model adopts the following technical proposal:
the multi-channel multi-component gas analysis control system comprises a master control system, a signal processing module electrically connected to the master control system, at least one sample gas control system arranged in parallel, at least one cleaning control system arranged in parallel, and a gas analyzer electrically connected to the signal processing module or the master control system;
the sample gas control system comprises a sample gas probe, a sample gas pipeline connected with the sample gas probe, and a sample gas switch controller, a gas driving assembly and a first confluence assembly which are sequentially arranged on the sample gas pipeline along the gas direction, wherein the sample gas switch controller, the gas driving assembly and the first confluence assembly are electrically connected with the signal processing module, the first confluence assembly is connected with an inlet of the gas analyzer, and the gas analyzer is configured to measure parameters of various gases;
the cleaning control system comprises a cleaning pipeline connected with the sample gas probe and a cleaning switch controller arranged on the cleaning pipeline and electrically connected with the signal processing module.
Preferably, the multi-channel multi-component gas analysis control system further comprises:
at least two calibration control systems arranged in parallel with the sample gas control system and the purge control system;
the calibration control system comprises a calibration gas pipeline, a calibration switch controller and a second confluence assembly, wherein the calibration switch controller and the second confluence assembly are sequentially arranged on the calibration gas pipeline along the gas direction, the second confluence assembly is connected to the gas analyzer, and the calibration switch controller and the second confluence assembly are electrically connected to the signal processing module.
Preferably, the outlet of the gas analyzer is further connected with an electronic flow meter, and the electronic flow meter is electrically connected to the master control system;
or the electronic flowmeter is electrically connected with the signal processing module.
Preferably, the multi-channel multi-component gas analysis control system further comprises:
and the flow controller is electrically connected to the signal processing module or the master control system, the flow controller is arranged at the upstream of the gas analyzer, and the outlets of the first confluence assembly and the second confluence assembly are connected to the flow controller.
Preferably, the flow controller is an electronic throttle valve.
Preferably, the multi-channel multi-component gas analysis control system further comprises:
and the display module is electrically connected with the master control system and is configured to display real-time working parameters of the sample gas control system, the calibration control system, the cleaning control system, the gas analyzer and the electronic flowmeter.
Preferably, the gas drive assembly comprises a gas pump located on a line between the sample gas switch controller and the first manifold assembly.
Preferably, the calibration switch controller comprises a second solenoid valve which controls the switching of the calibration gas line.
Preferably, the cleaning switch controller comprises a third electromagnetic valve, and the third electromagnetic valve controls the on-off of the cleaning pipeline.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in, utilize the sample gas probe to take a sample on sample gas pipeline among the sample gas control system, be provided with sample gas switch controller on the sample gas pipeline to the switch of control sample gas pipeline utilizes the sample gas sample in the gas drive assembly extraction sample gas pipeline, and utilizes the component of gas analysis appearance analysis sample gas.
Above-mentioned sample gas pipeline is at least one, and many sample gas pipelines set up side by side, consequently converges many sample gas pipelines through setting up first subassembly that converges to utilize same gas analysis appearance to detect with sparingly manufacturing cost.
The sample gas probe is cleaned by a cleaning pipeline in the cleaning control system so as to prevent impurity, dust and the like in the sample gas from blocking the sample gas probe after long-term use.
Because the sample gas switch controller and the gas driving assembly are electrically connected to the signal processing module, the signal processing module can receive signals sent by the switch controller and the gas driving assembly, meanwhile, the signal processing module transmits the received information to the master control system, and the signal processing module receives the command of the master control system and controls the sample gas switch controller and the gas driving assembly to work, so that the sample gas control system can automatically work.
Meanwhile, the cleaning switch controller is electrically connected with the signal processing module, similarly, the signal processing module receives signals of the cleaning switch controller and sends the signals to the master control system, the master control system sends instructions to the signal processing module and controls the cleaning switch controller to work, and the cleaning control module can automatically work through the master control system and the signal processing module.
The gas analyzer is electrically connected with the signal processing module, and the signal processing module transmits the received signals to the master control system, so that the multi-channel multi-component gas analysis control system can completely realize full-automatic control.
The integrated design of the multi-channel multi-component gas analysis control system reduces the design cost and the manual maintenance amount, thereby reducing the maintenance cost and greatly reducing the cost.
Drawings
FIG. 1 is a schematic diagram of a multi-channel multi-component gas analysis control system according to the present invention;
fig. 2 is a schematic diagram of a sample gas control system according to the present invention;
fig. 3 is a schematic diagram of a cleaning control system according to the present invention;
fig. 4 is a schematic diagram of a calibration control system according to the present invention;
fig. 5 is a schematic signal transmission diagram of the multi-channel multi-component gas analysis control system of the present invention.
Wherein, 1, a master control system;
2. a signal processing module;
3. a sample gas control system; 31. a sample gas probe; 32. a sample gas switch controller; 33. a sample gas conduit; 34. a gas drive assembly; 35. a first bus bar assembly; 36. a flow controller;
4. cleaning the control system; 41. cleaning an air source; 42. cleaning the switch controller; 43. cleaning a pipeline;
5. calibrating the control system; 51. zero-standard gas source; 52. a standard gas source; 53. calibrating the switch controller; 54. a second bus assembly;
6. a gas analyzer; 7. an electronic flow meter; 9. and a display module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 5, the present embodiment provides a multi-channel multi-component gas analysis control system, wherein the multi-channel multi-component gas analysis control system includes a general control system 1, a signal processing module 2 electrically connected to the general control system 1, at least one sample gas control system 3 arranged in parallel, at least one cleaning control system 4 arranged in parallel, and a gas analyzer 6 electrically connected to the signal processing module 2 or the general control system 1.
The sample gas control system 3 comprises a sample gas probe 31, a sample gas pipeline 33 connected to the sample gas probe 31, and a sample gas switch controller 32, a gas driving assembly 34 and a first confluence assembly 35 sequentially arranged on the sample gas pipeline 33 along the gas trend, wherein the sample gas switch controller 32, the gas driving assembly 34 and the first confluence assembly 35 are all electrically connected with the signal processing module 2, the first confluence assembly 35 is connected to the inlet of the gas analyzer 6, and the gas analyzer 6 is configured to measure parameters of various gases. The purge control system 4 includes a purge line 43 connected to the sample gas probe 31, and a purge switch controller 42 disposed on the purge line 43 and electrically connected to the signal processing module 2.
In this embodiment, in the sample gas control system 3, the sample gas probe 31 is used to sample the sample gas pipeline 33, the sample gas pipeline 33 is provided with the sample gas switch controller 32 to control the switch of the sample gas pipeline 33, the gas driving assembly 34 is used to extract the sample gas in the sample gas pipeline 33 for sampling, and the gas analyzer 6 is used to analyze the components of the sample gas.
In this embodiment, the number of the sample gas pipes 33 is at least one, and the plurality of sample gas pipes 33 are arranged in parallel, so that the plurality of sample gas pipes 33 are converged by the first converging assembly 35, so as to facilitate the detection by the same gas analyzer 6, thereby saving the production cost.
The sample gas probe 31 is cleaned by the cleaning pipe 43 in the cleaning control system 4 to prevent the sample gas probe 31 from being clogged with foreign matter, dust, etc. in the sample gas used for a long period of time.
Because the sample gas switch controller 32 and the gas driving assembly 34 are electrically connected to the signal processing module 2, the signal processing module 2 can receive signals sent by the switch controller and the gas driving assembly 34, meanwhile, the signal processing module 2 transmits the received information to the master control system 1, and the signal processing module 2 receives the command of the master control system 1 and controls the sample gas switch controller 32 and the gas driving assembly 34 to work, so that the sample gas control system 3 can automatically work.
Meanwhile, the cleaning switch controller 42 is electrically connected to the signal processing module 2, similarly, the signal processing module 2 receives the signal of the cleaning switch controller 42 and sends the signal to the master control system 1, the master control system 1 sends an instruction to the signal processing module 2 and controls the cleaning switch controller 42 to work, and the cleaning control module automatically works through the master control system 1 and the signal processing module 2.
The gas analyzer 6 is electrically connected to the signal processing module 2, and the signal processing module 2 transmits the received signal to the master control system 1, so that the multi-channel multi-component gas analysis control system can completely realize full-automatic control.
The integrated design of the multi-channel multi-component gas analysis control system reduces the design cost and the manual maintenance amount, thereby reducing the maintenance cost and greatly reducing the cost.
In other embodiments, the gas analyzer 6 can also be electrically connected directly to the overall control system 1.
The gas drive assembly 34 includes a pump on the line between the sample gas switch controller 32 and the first manifold assembly 35. Because the sample gas pipeline 33 is long in actual production, the air pump is used as the power for conveying the sample gas, the cost of the air pump is low, and the connection is convenient.
The sample gas switch controller 32 includes a first solenoid valve, and the first solenoid valve controls the on/off of the sample gas pipe 33.
The cleaning switch controller 42 includes a third solenoid valve, and the third solenoid valve controls the on/off of the cleaning pipe 43.
Preferably, the multi-channel multi-component gas analysis control system further comprises a calibration control system 5 arranged in parallel with the sample gas control system 3 and the purge control system 4, wherein the calibration control system 5 comprises a calibration gas pipeline, a calibration switch controller 53 and a second confluence module 54 which are arranged on the calibration gas pipeline in sequence along the gas direction, the second confluence module 54 is connected to the gas analyzer 6, and the calibration switch controller 53 and the second confluence module 54 are electrically connected to the signal processing module 2.
The maximum range and the zero position of the gas analyzer 6 are calibrated respectively by introducing a standard gas and a zero standard gas into the calibration gas pipeline. The calibration switch controller 53 is electrically connected to the signal processing module 2, receives the information of the calibration switch controller 53 through the signal processing module 2, and sends the information to the master control system 1, and the master control system 1 sends an instruction to the signal processing module 2 to control the calibration switch controller 53 to work, so that the automatic control of the automatic calibration control system 5 is realized.
The calibration switch controller 53 includes a second solenoid valve that controls the switching of the calibration gas line.
The multi-channel multi-component gas analysis control system further comprises a flow controller 36 electrically connected to the signal processing module 2, the flow controller 36 being disposed upstream of the gas analyzer 6, the outlet of the first manifold assembly 35 and the outlet of the second manifold assembly 54 being connected to the flow controller 36. The flow controller 36 is configured to control the flow of the gas entering the gas analyzer 6, and the flow controller 36 is electrically connected to the signal processing module 2, and the signal processing module 2 is controlled by the general control system 1 to adjust the operating state of the flow controller 36 according to the operating state of the sample gas control system 3 or the calibration control system 5. In other embodiments, the flow controller 36 can also be directly electrically connected to the overall control system 1.
The first confluence assembly 35 and the second confluence assembly 54 are both three-way switching valves or four-way switching valves, or three-position four-way solenoid valves.
The flow controller 36 is an electronic throttle valve, and is electrically connected to the signal processing module 2 or the general control system 1, so as to automatically control the electronic throttle valve and automatically adjust the flow of the gas entering the gas analyzer 6.
The multi-channel multi-component gas analysis control system further comprises an electronic flow meter 7, the electronic flow meter 7 is connected to an outlet of the gas analyzer 6, the electronic flow meter 7 is electrically connected to the master control system 1, data detected by the electronic flow meter 7 are transmitted to the master control system 1, and the master control system 1 controls the flow controller 36 in a feedback mode according to the data of the electronic flow meter 7. When the sample gas control system 3 works, the master control system 1 reversely controls each structure in the sample gas control system 3 according to the data of the gas analyzer 6 and the electronic flowmeter 7. Similarly, when the calibration control system 5 works, the master control system 1 reversely controls each structure in the calibration control system 5 according to the data of the gas analyzer 6 and the electronic flowmeter 7.
In other embodiments, the electronic flow meter 7 is electrically connected to the signal processing module 2. The data information detected by the electronic flowmeter 7 can be transmitted to the signal processing module 2 and then transmitted to the master control system 1.
The multi-channel multi-component gas analysis control system further comprises a display module 9 which is electrically connected to the master control system 1, and the display module 9 is configured to display real-time working parameters of the sample gas control system 3, the calibration control system 5, the cleaning control system 4, the gas analyzer 6 and the electronic flowmeter 7.
In this embodiment, the display module 9 can display real-time working parameters of the control systems in real time, so that the working state of the multi-channel multi-component gas analysis control system can be known by the staff in time.
Specifically, the master control system 1 in this embodiment is a PLC control module, and controls the sample gas control system 3, the calibration control system 5, the cleaning control system 4, and the signal processing module 2, respectively, through a fieldbus technology.
When the sample gas control system 3 works, the first electromagnetic valve is opened, and the air pump pumps the sample gas into the sample gas probe 31. The sample gas probe 31 is connected to the sample gas pipeline 33 through a ferrule connector, and the sample gas pipeline 33 is connected to the first electromagnetic valve through a pneumatic connector. The sample gas enters the first confluence module 35 through the outlet of the air pump through the sample gas pipeline 33 to reach the electronic throttle valve, and then enters the gas analyzer 6 to start gas detection.
After passing through the gas analyzer 6, the gas enters the electronic flow meter 7 to detect the flow of the sample gas, and the electronic throttle valve automatically adjusts the gas flow through the PLC control system. The electronic flow meter 7 is capable of responding to the flow of the sample gas, and both the purge control system 4 and the calibration control system 5 are in a stopped state during operation of the sample gas control system 3.
The sample gas control system 3 includes a plurality of sample gas pipelines 33, and each sample gas pipeline 33 is provided with the sample gas probe 31, the first electromagnetic valve, and the air pump.
When the cleaning control system 4 works, data detected by the electronic flowmeter 7 are fed back to the PLC control system or fed back to the signal processing module 2, and then fed back to the PLC control system through the signal processing module 2, the PLC control system sends an instruction to the signal processing module 2, the signal processing module 2 controls to open the third electromagnetic valve, the cleaning control system 4 further comprises a cleaning gas source 41, the cleaning gas source 41 is connected to the third electromagnetic valve and enters the cleaning pipeline 43, and therefore the sample gas probe 31 connected with the cleaning pipeline 43 is cleaned.
The cleaning time of the cleaning probe can be adjusted and set by the PLC control system.
During the working period of the cleaning control system 4, the PLC control system closes the sample gas control system 3 and the calibration control system 5.
After the cleaning is finished, the PLC control system closes the third electromagnetic valve to block the cleaning gas source 41, the PLC control system automatically controls the sample gas control system 3 to open the first electromagnetic valve, the air suction pump and the electronic throttle valve to restore the automatic state, and the sample gas is pumped into the gas analyzer 6 to be subjected to gas detection.
For the calibration air system described above, each calibration control system 5 includes at least one zero calibration system and at least one span calibration system arranged in parallel.
The zero calibration system is characterized in that at least one calibration gas pipeline in the calibration control system 5 is used as a zero calibration pipeline, a calibration switch controller 53 arranged on the same zero calibration pipeline is used as a zero calibration controller, and the zero calibration controller is connected to the second confluence module 54. Similarly, at least one of the calibration gas pipelines of the calibration control system 5 serves as a range calibration pipeline of the range calibration system, and the calibration switch controller 53 is disposed on the same range calibration pipeline as a range calibration controller.
During zero calibration, the air source for zero calibration can be air or nitrogen.
When the zero calibration is performed, the PLC control system opens a second electromagnetic valve arranged in the zero calibration pipeline, the zero-standard air source 51 passes through the zero calibration pipeline, the electronic throttle valve is arranged behind the second confluence assembly 54, the flow of the electronic throttle valve is automatically adjusted, and finally the zero-standard air source enters the gas analyzer 6 to be subjected to the zero calibration.
The zero-standard calibration time realizes man-machine interaction through the PLC control system and the display module 9, thereby being freely set.
During the zero calibration period, the PLC control system closes the sample gas control system 3 and the cleaning control system 4.
After the zero-standard calibration is finished, the PLC control system can control the second electromagnetic valve to be automatically closed, the zero-standard gas source 51 is blocked to enter the sample gas pipeline 33, the PLC control system opens the first electromagnetic valve to be automatically recovered to the working state, the sample gas is extracted to enter the gas analyzer 6 for gas detection, and the measurement data is recovered to be output to the PLC main control system 1 and the display module 9.
When the range calibration system works, the vector Cheng Jiaozhun pipeline is filled with standard gas, the standard gas source 52 comprises various gases, and the gas content is determined according to the range of the gas analyzer 6.
During range calibration, the PLC control system controls to open the second electromagnetic valve, the standard gas source 52 passes through the range calibration pipeline and enters the electronic throttle valve through the second confluence assembly 54, the standard gas enters the gas analyzer 6 to perform range calibration, the range calibration process is automatically completed completely according to program control of the PLC master control system 1, automatic confirmation can be performed after the range calibration process is completed, and measurement data in the calibration process are shielded and are not output to the outside.
The calibration time of the measuring range can be freely set through man-machine interaction between the PLC control system and the display module 9.
During range calibration, the PLC control system closes the sample gas control system 3 and the cleaning control system 4.
After the range calibration is finished, the PLC control system closes the third solenoid valve on the range calibration pipeline to block the standard gas source 52 from entering the sample gas pipeline 33.
The PLC control system automatically opens the first electromagnetic valve, automatically restores to a working state, and starts to extract the measuring point sample gas to the multi-component analyzer for gas detection. The measurement data is restored and output to the display module 9.
The gas analyzer 6 transmits signals through a field bus technology, outputs 0-10MV to the signal processing module 2, and converts the signals into signals suitable for the sample gas control system 3, the cleaning control system 4 or the calibration control system 5 through a PLC control system.
The PLC control system outputs the converted signals to a signal output terminal through a field bus technology, and the output modes comprise analog quantity output, digital quantity output and the like.
The electronic flow meter 7 transmits signals through a field bus technology, outputs 0-10mv to the signal processing module 2, converts the signals into applicable signals through a PLC control system, and transmits the signals to the display module 9 (such as a screen terminal) through the field bus technology to display the specific flow.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A multi-channel multi-component gas analysis control system is characterized by comprising a master control system (1), a signal processing module (2) electrically connected to the master control system (1), at least one sample gas control system (3) arranged in parallel, at least one cleaning control system (4) arranged in parallel, and a gas analyzer (6) electrically connected to the signal processing module (2) or the master control system (1);
the sample gas control system (3) comprises a sample gas probe (31) and a sample gas pipeline (33) connected to the sample gas probe (31), wherein a sample gas switch controller (32), a gas driving assembly (34) and a first confluence assembly (35) are sequentially arranged on the sample gas pipeline (33) along the gas trend, the sample gas switch controller (32), the gas driving assembly (34) and the first confluence assembly (35) are electrically connected with the signal processing module (2), the first confluence assembly (35) is connected to an inlet of the gas analyzer (6), and the gas analyzer (6) is configured to measure parameters of various gases;
the cleaning control system (4) comprises a cleaning pipeline (43) connected to the sample gas probe (31), and a cleaning switch controller (42) arranged on the cleaning pipeline (43) and electrically connected to the signal processing module (2).
2. A multi-channel multi-component gas analysis control system as claimed in claim 1 further comprising:
at least two calibration control systems (5) arranged in parallel with the sample gas control system (3) and the purge control system (4);
the calibration control system (5) comprises a calibration gas pipeline, a calibration switch controller (53) and a second confluence assembly (54) which are sequentially arranged on the calibration gas pipeline along the gas direction, the second confluence assembly (54) is connected to the gas analyzer (6), and the calibration switch controller (53) and the second confluence assembly (54) are electrically connected to the signal processing module (2).
3. A multi-channel multi-component gas analysis control system according to claim 2, characterized in that the outlet of the gas analyzer (6) is further connected with an electronic flow meter (7), and the electronic flow meter (7) is electrically connected to the general control system (1);
or the electronic flowmeter (7) is electrically connected with the signal processing module (2).
4. A multi-channel multi-component gas analysis control system as claimed in claim 2 further comprising:
and the flow controller (36) is electrically connected to the signal processing module (2) or the general control system (1), the flow controller (36) is arranged at the upstream of the gas analyzer (6), and the outlets of the first confluence assembly (35) and the second confluence assembly (54) are connected to the flow controller (36).
5. A multi-channel multi-component gas analysis control system according to claim 4, wherein the flow controller (36) is an electronic throttle valve.
6. A multi-channel multi-component gas analysis control system as claimed in claim 3 further comprising:
a display module (9) electrically connected to the master control system (1), the display module (9) being configured to display real-time operating parameters of the sample gas control system (3), the calibration control system (5), the purge control system (4), the gas analyzer (6), and the electronic flow meter (7).
7. A multi-channel multi-component gas analysis control system according to claim 1 or 2, wherein the gas drive assembly (34) comprises a pump located on a line between the sample gas switch controller (32) and the first manifold assembly (35).
8. A multi-channel multi-component gas analysis control system according to claim 2, wherein the calibration switch controller (53) comprises a second solenoid valve controlling the switching of the calibration gas conduit.
9. A multi-channel multi-component gas analysis control system according to claim 1 or 2, wherein the purge switch controller (42) comprises a third solenoid valve controlling the on-off of the purge line (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221577029.2U CN217543138U (en) | 2022-06-23 | 2022-06-23 | Multi-channel multi-component gas analysis control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221577029.2U CN217543138U (en) | 2022-06-23 | 2022-06-23 | Multi-channel multi-component gas analysis control system |
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| CN217543138U true CN217543138U (en) | 2022-10-04 |
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| CN202221577029.2U Active CN217543138U (en) | 2022-06-23 | 2022-06-23 | Multi-channel multi-component gas analysis control system |
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