A centralized online detection shelter system

Abstract

The application discloses a centralized online detection shelter system, which comprises an online detection positive pressure shelter laboratory, a sample pre-treatment unit, a sample intelligent time sequence sample injection management unit, an online chemical analysis unit and a control system, wherein the sample intelligent time sequence sample injection management unit, the online chemical analysis unit and the control system are arranged in the online detection positive pressure shelter laboratory; the online detection positive pressure shelter laboratory is a closed cabin structure and has a cabin body and a cabin door; the sample pre-treatment unit is used for receiving an original liquid sample and pre-treating the original liquid sample to obtain a sample to be analyzed; the sample intelligent time sequence sample injection management unit is connected with the sample pre-treatment unit and the online chemical analysis unit; the online chemical analysis unit is used for performing online chemical analysis on the sample to be analyzed and outputting analysis results to the control system; and the control system is connected with the online detection positive pressure shelter laboratory, the sample pre-treatment unit, the sample intelligent time sequence sample injection management unit and the online chemical analysis unit.

Description

TECHNICAL FIELD

[0001] The present application relates to sample sampling, filtering, dilution, enrichment, purification, concentration, transmission, machine stacking sampling, analysis and detection, and intelligent logic control in the process of online detection of samples, and in particular, relates to a centralized online detection shelter system. BACKGROUND

[0002] For the environmental protection and water quality online monitoring technology and products with relatively simple sample pretreatment process, they are relatively mature and are also increasingly perfect. However, when facing slightly complex samples, the automation and batch of online pretreatment become a bottleneck. Even the environment of the online detection equipment for complex samples is often relatively harsh, and it puts forward high requirements for the dustproof, moistureproof, shockproof, acid gas and organic reagent corrosion proof, explosion-proof, fireproof and other properties of the online detection products. Therefore, it is urgent to break through the bottleneck and accelerate the pace of factory automation energy efficiency improvement. SUMMARY

[0003] The present application provides a centralized online detection shelter system, which can be used as an overall solution for in-situ online sampling, pretreatment, chemical analysis and detection, and data information management of samples in a factory. Through the integrated and modular design concept, the sample can be sampled, filtered, diluted, enriched, purified, concentrated, transmitted, machine stacked, analyzed, detected and intelligently controlled.

[0004] To achieve the above purpose, the present application provides a centralized online detection shelter system, which comprises an online detection positive pressure shelter laboratory, a sample pretreatment unit, a sample intelligent time sequence sampling management unit, an online chemical analysis unit and a control system,

[0005] The sample intelligent time sequence sampling management unit, the online chemical analysis unit and the control system are arranged inside the online detection positive pressure shelter laboratory;

[0006] The online detection positive pressure shelter laboratory has a closed cabin structure and comprises a cabin body and a cabin door. The cabin body and the cabin door each have two layers of cabin plates, and the two layers of cabin plates are filled with a thermal insulation layer having thermal insulation, heat insulation and fireproof functions. A wind shower buffer zone is arranged on the inner side of the cabin door. A double-layer tempered glass window is installed on the cabin door. A data display board is arranged on one side of the cabin door. The cabin body of the online detection positive pressure shelter laboratory is provided with a first inner groove and a second inner groove. The first inner groove is in communication with the inside of the cabin body. The first inner groove is used for placing energy medium required in the inside of the cabin body. The second inner groove is used for arranging the sample pretreatment unit.

[0007] The sample pretreatment unit is used for receiving raw liquid samples and pretreating the raw liquid samples to obtain samples to be analyzed.

[0008] The intelligent time-series sample injection management unit is connected to the sample pretreatment unit and the online chemical analysis unit. The intelligent time-series sample injection management unit performs simultaneous transmission and sampling from multiple points through a multi-channel sample quantitative loop temporary storage method, storing the pretreated sample to be analyzed in the quantitative loop of the injection valve. The standard sample interface of the multi-channel rotary valve in the intelligent time-series sample injection management unit supports switching to inject multiple samples / reagents into the online chemical analysis unit.

[0009] The online chemical analysis unit is used to perform online chemical analysis on the sample to be analyzed and output the analysis results to the control system.

[0010] The control system is connected to the online detection positive pressure cabin laboratory, the sample pretreatment unit, the sample intelligent timing injection management unit, and the online chemical analysis unit, and is used for internal intelligent logic control and information interaction with the outside world.

[0011] In one embodiment of the present invention, the centralized online detection cabin system further includes a remote intelligent dashboard information unit connected to the control system. The remote intelligent dashboard information unit is located inside the upstream experimental data information analysis center of the system, and the control system and the upstream experimental data information analysis center of the system exchange information.

[0012] In one embodiment of the present invention, the sample pretreatment unit includes a sample pretreatment host, a liquid supply pipeline, and a solvent storage area.

[0013] In one embodiment of the present invention, the liquid supply pipeline is connected to the cobalt removal main pipeline and / or steel removal tank in the factory area.

[0014] In one embodiment of the present invention, the pretreatment of the stock solution sample includes collection, dilution, filtration, enrichment, purification and concentration. The sample pretreatment unit quantitatively extracts the liquid under high pressure by means of online sampling and online mixing and dilution with dual injection pumps. The sample pretreatment unit has a continuous infusion pump reflux branch and performs two-stage filtration on the stock solution.

[0015] In one embodiment of the present invention, the online chemical analysis unit includes a gas or liquid chromatography-mass spectrometry analyzer, an inductively coupled plasma spectrometer, or a combination of an inductively coupled plasma mass spectrometer, a spectrometer, and an electrochemical analyzer.

[0016] In one embodiment of the present invention, the online chemical analysis unit includes an online chemical analyzer, an industrial control computer, a program logic control unit, and an electrical control component, and is integrated and controlled by a software information system with a unified communication protocol.

[0017] In one embodiment of the present invention, the energy medium includes water, electricity, and gas.

[0018] In an embodiment of the present application, the online detection positive pressure cabin laboratory is further provided with a temperature and humidity control system, a peripheral auxiliary system, an air intake and exhaust filtration system, a damping system and a monitoring lighting system.

[0019] In an embodiment of the present application, the material of the overflow component in the sample pretreatment unit is polytetrafluoroethylene, polyether ether ketone or 316L stainless steel.

[0020] The centralized online detection cabin system provided by the present application has the following advantages:

[0021] (1) The present application solves the problems of high failure rate, difficulty in integration, low efficiency and the like of the original online processing of samples containing many particles, and has good effects on the problems such as blockage of pipelines by solid crystallization of high-salinity liquid samples, and has the advantages of high integration, high working efficiency, stable performance, low failure rate, wide application range, and convenient online processing of samples.

[0022] (2) The present application solves the problem of real-time lag in online analysis and detection caused by long-distance transmission of samples pretreated by the original method, and greatly improves the real-time monitoring of factory production.

[0023] (3) The present application solves the problem of residual and cross-contamination caused by long-distance transmission of samples pretreated by the original method.

[0024] (4) The present application solves the problem of great reduction in reliability of the mechanical and circuit systems of the whole system under the complex internal environment of the factory, such as high acid gas, high dust, high temperature and high humidity.

[0025] (5) The present application solves the problems of high processing cost, small online flux and inconvenient centralized management of the original method, and concentrates all the failure points and risk points in the cabin, which can improve the timeliness and effectiveness of maintenance and operation. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0027] Figure 1 It is a connection diagram of the centralized online detection cabin system of an embodiment of the present application.

[0028] Figure 2The appearance schematic view of the centralized online detection shelter system of an embodiment of the present application;

[0029] Figure 3 The outside surface schematic view of the cabin door of an embodiment of the present application;

[0030] Figure 4 The plane schematic view of the inside of the cabin body of an embodiment of the present application;

[0031] Figure 5 The three-dimensional schematic view of the inside of the cabin body of an embodiment of the present application.

[0032] The figure mark explanation: 1-online detection positive pressure shelter laboratory; 11-cabin body; 12-cabin door; 120-double layer toughened glass window; 121-data display board; 13-temperature and humidity control system; 14-peripheral auxiliary system; 15-inlet and exhaust air filtration system; 16-damping system; 17-monitoring illumination system; 2-sample pretreatment unit; 21-pretreatment host; 22-liquid supply pipeline; 23-solvent temporary storage area; 3-sample intelligent time sequence sample injection management unit; 4-online chemical analysis unit; 5-control system; 6-remote intelligent board information unit; 7-system upstream experimental data information analysis center. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort belong to the protection scope of the present application.

[0034] The present application is applied to various industrial production work factory areas, which have the demand of monitoring various environmental indexes such as acid gas, dust, vibration, noise, temperature and humidity, and are full of various complex pipelines. The present application provides a centralized monitoring means.

[0035] Figure 1 The connection schematic view of each part of the centralized online detection shelter system of an embodiment of the present application, Figure 2 The appearance schematic view of the centralized online detection shelter system of an embodiment of the present application, Figure 3 The outside surface schematic view of the cabin door of an embodiment of the present application, Figure 4 The plane schematic view of the inside of the cabin body of an embodiment of the present application, Figure 5 The three-dimensional schematic view of the inside of the cabin body of an embodiment of the present application, such as Figures 1-5As shown, the application provides a centralized online detection shelter system, which comprises an online detection positive pressure shelter laboratory 1, a sample pre-treatment unit 2, a sample intelligent time sequence sample injection management unit 3, an online chemical analysis unit 4 and a control system 5,

[0036] The sample intelligent time sequence sample injection management unit 3, the online chemical analysis unit 4 and the control system 5 are arranged inside the online detection positive pressure shelter laboratory 1.

[0037] The online detection positive pressure shelter laboratory 1 is a closed cabin structure and has a cabin body 11 and a cabin door 12. The cabin body 11 and the cabin door 12 both have two layers of cabin plates, and the two layers of cabin plates are filled with a thermal insulation layer having a thermal insulation, heat insulation and fireproof function, which completely isolates the heat exchange between the two sides of the cabin plates, so as to facilitate the control of the temperature, humidity and other environmental indicators inside the cabin body 11. The cabin plates in the application have the functions of thermal insulation, heat insulation, fireproofing, shockproofing and the like, and the design indicators meet the relevant national and industry specifications. The frame and materials used for the cabin body have the characteristics of fireproofing, pressure resistance and corrosion resistance. The inside of the cabin door 12 is provided with a wind shower buffer area to prevent dust from being brought in when a person enters, which affects the cabin environment and in turn affects the detection results. A double-layer tempered glass window 120 is installed on the cabin door 12, and the inside can be viewed through the window. A data display board 121 is arranged on one side of the cabin door 12, which can display the temperature, humidity, pressure and air volume in the cabin in real time. The cabin body 11 of the online detection positive pressure shelter laboratory 1 is provided with a first inner recess (located at the back of the online detection positive pressure shelter laboratory 1, not shown in the figure) and a second inner recess (a part of the cabin body 11 recessed inwardly for accommodating the sample pre-treatment unit 2). The first inner recess is in communication with the inside of the cabin body, and the first inner recess is used to place the energy medium required inside the cabin body 11, such as water, electricity and gas, and can also include any other substance required inside the cabin body 11. The second inner recess is used to arrange the sample pre-treatment unit 2, and the sample pre-treatment unit 2 is arranged in the second inner recess and is effectively separated from other units inside the cabin body 11, so that they work independently and do not interfere with each other. The two independent areas of the first inner recess and the second inner recess are arranged to facilitate the centralized storage of materials and efficient management and operation.

[0038] The sample pre-treatment unit 2 is used to receive a raw liquid sample and pre-treat the raw liquid sample to obtain a sample to be analyzed;

[0039] The sample intelligent timing injection management unit 3 is connected with the sample pretreatment unit 2 and the online chemical analysis unit 4, and the sample intelligent timing injection management unit 3 simultaneously transmits samples from multiple points by the way of multi-channel sample quantitative ring temporary storage, stores the pretreated samples to be analyzed in the quantitative ring of the injection valve, and supports switching of the sample interface of the multi-channel rotary valve in the sample intelligent timing injection management unit 3, so as to inject the multiple samples / reagents to the online chemical analysis unit 4. The sample intelligent timing injection management unit 3 greatly improves the system working load and working efficiency by the intelligent stacker timing sample storage injection analysis technology.

[0040] The online chemical analysis unit 4 is used for online chemical analysis of the samples to be analyzed and outputs the analysis results to the control system 5, and the online chemical analysis unit 4 includes an online chemical analyzer, an industrial computer, a program logic control unit and an electric control part and is integratedly controlled by a software information system of a unified communication protocol.

[0041] The control system 5 is connected with the online detection positive pressure cabin laboratory 1, the sample pretreatment unit 2, the sample intelligent timing injection management unit 3 and the online chemical analysis unit 4, is used for intelligent logic control in the system and information interaction with the outside, and is a processing core part of the whole system in the application.

[0042] In the embodiment, the centralized online detection cabin system further includes a remote intelligent lookboard information unit 6 connected with the control system 5, the remote intelligent lookboard information unit 6 is arranged in the system upstream experimental data information analysis center 7, the control system 5 and the system upstream experimental data information analysis center 7 perform remote visual information interaction, the manager can manage, count and analyze the data obtained by the control system 5 in the system upstream experimental data information analysis center 7, and the remote intelligent lookboard information unit 6 is also the main medium for realizing human-computer interaction in the application, can monitor the state information of the sample in real time, and displays early warning information when abnormal results appear.

[0043] As shown in Figure 2 The sample pretreatment unit 2 includes a sample pretreatment host 21, a liquid supply pipeline 22 and a solvent temporary storage area 23, the liquid supply pipeline 22 can be further connected with a cobalt removal main pipe and / or a steel removal tank in a factory area, or / and connected with other collection tanks or conveying pipelines in the factory area, so as to convey various raw liquid samples to the sample pretreatment host 21.

[0044] The pretreatment of the original liquid sample includes collection, dilution, filtration, enrichment, purification and concentration. The sample pretreatment unit 2 quantitatively takes liquid under high pressure environment in an online sampling and double injection pump online mixing dilution mode, has a continuous infusion pump backflow branch and performs two-stage filtration on the original liquid. The continuous infusion pump backflow branch design can effectively avoid the deposition of solid particulate matters in the pipeline, reduce cross contamination in the analysis process, and also realize real-time updating of the original liquid. The main flow components in the sample pretreatment unit 2 are made of acid and alkali resistant, organic reagent resistant and high temperature resistant corrosion resistant materials such as polytetrafluoroethylene, polyether ether ketone and 316L stainless steel, so as to ensure long-term reliable operation of the sample pretreatment unit 2. The sample pretreatment of the original liquid sample in the application integrates multiple sample pretreatment technologies such as high flux, quantitative, high pressure resistance, corrosion resistance and leakage prevention, which can efficiently and stably provide protection for subsequent processing.

[0045] The online chemical analysis unit 4 mainly realizes overall control of the whole process of system sample analysis, and is widely applied to online analysis of samples through chromatography, mass spectrometry, spectroscopy and other analysis technologies. The online chemical analysis unit 4 includes a gas or liquid chromatography mass spectrometer, an inductively coupled plasma optical spectrometer or an inductively coupled plasma mass spectrometer, a spectroscopic analyzer and an electrochemical analyzer connected online, mainly realizes overall control of the whole process of system sample analysis, and can realize functions of system state and monitoring data collection, processing and transmission. The online chemical analysis unit 4 accurately analyzes the sample through cold flame treatment technology, and transmits the analysis result data obtained after processing to the system upstream experimental data information analysis center 7 for data display and storage. The processed waste liquid flows into the waste liquid collection barrel in the solvent temporary storage area 23 for unified collection and management.

[0046] The centralized online detection shelter system provided by the application is based on advanced chemical analysis technology methods such as inductively coupled plasma mass spectrometry and spectroscopy, and efficient and comprehensive sample pretreatment technology, and relies on a data acquisition and transmission module and a peripheral support system to form an online monitoring system that can realize multi-point monitoring of a factory. The system can realize real-time analysis and detection of samples in the whole process, and realize big data management and remote transmission of analysis data.

[0047] Figure 4 The plane form shows the internal structure of the online detection positive pressure shelter laboratory 1, Figure 4 The right part can be seen as the sample pretreatment unit 2, Figure 5 The three-dimensional form shows the internal structure of the online detection positive pressure shelter laboratory 1, such as Figure 4 、 Figure 5As shown, the online detection positive pressure shelter laboratory 1 is further provided with a temperature and humidity control system 13, a peripheral auxiliary system 14, an air inlet and exhaust filtration system 15, a damping system 16 and a monitoring lighting system 17, and it should be noted that, Figure 4 、 Figure 5 The size, position and the like of each system or unit in the above embodiment are only for illustration, and those skilled in the art can reasonably adjust the size, position and the like of each system or unit according to actual needs, and the illustration is not limited.

[0048] The centralized online detection shelter system provided by the application has the following advantages:

[0049] (1) The application solves the problems of high failure rate, difficulty in integration, low efficiency and the like of the original mode in online processing of samples containing many particles, especially has good effect on the problems of solid crystallization of high-salt liquid samples blocking pipelines and the like, has the advantages of high integration, high work efficiency, stable performance, low failure rate, wide application range, convenient online processing of samples and the like.

[0050] (2) The application solves the problem of real-time lag of online analysis and detection caused by long-distance transmission of samples pretreated by the original mode, and greatly improves the real-time monitoring of factory production.

[0051] (3) The application solves the problem of residue and cross contamination caused by long-distance transmission of samples pretreated by the original mode.

[0052] (4) The application solves the problem of great reduction of mechanical and circuit system reliability of the whole system under the complex internal environment of high acid gas, high dust, high temperature and high humidity and the like of the original mode.

[0053] (5) The application solves the problems of high processing cost, small online flux and inconvenient centralized management of the original mode, and concentrates all the failure points and risk points in the shelter, so that the timeliness and effectiveness of maintenance and operation can be improved.

[0054] Those skilled in the art can understand that the drawings are only schematic diagrams of one embodiment, and the modules or processes in the drawings are not necessarily necessary for implementing the application.

[0055] Those skilled in the art can understand that the modules in the device in the embodiment can be distributed in the device in the embodiment according to the description of the embodiment, or can be correspondingly changed and located in one or more devices different from the embodiment. The modules in the above embodiment can be combined into one module, or can be further split into multiple sub-modules.

[0056] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the same; although the present application has been described in detail with reference to the foregoing examples, those of ordinary skill in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A centralized online detection modular system, characterized in that, It includes an online positive pressure mobile laboratory, a sample pretreatment unit, a sample intelligent time-series injection management unit, an online chemical analysis unit, and a control system. The intelligent sample sequential injection management unit, the online chemical analysis unit, and the control system are all located inside the online detection positive pressure container laboratory. The online positive pressure modular laboratory is a closed-cell structure with a cabin body and a door. Both the cabin body and the door have two layers of panels, with an insulation layer that provides heat insulation, fire resistance, and thermal insulation between the two layers. An air shower buffer zone is provided on the inside of the door. A double-layered tempered glass window is installed on the door. A data display board is provided on one side of the door. The cabin body of the online positive pressure modular laboratory has a first inner groove and a second inner groove. The first inner groove is connected to the interior of the cabin body and is used to place the energy medium required inside the cabin body. The second inner groove is used to set up a sample pretreatment unit. The sample pretreatment unit is used to receive the original liquid sample and pretreat the original liquid sample to obtain the sample to be analyzed. The intelligent time-series sample injection management unit is connected to the sample pretreatment unit and the online chemical analysis unit. The intelligent time-series sample injection management unit performs simultaneous transmission and sampling from multiple points through a multi-channel sample quantitative loop temporary storage method, storing the pretreated sample to be analyzed in the quantitative loop of the injection valve. The standard sample interface of the multi-channel rotary valve in the intelligent time-series sample injection management unit supports switching to inject multiple samples / reagents into the online chemical analysis unit. The online chemical analysis unit is used to perform online chemical analysis on the sample to be analyzed and output the analysis results to the control system. The control system is connected to the online detection positive pressure cabin laboratory, the sample pretreatment unit, the sample intelligent timing injection management unit, and the online chemical analysis unit, and is used for internal intelligent logic control and information interaction with the outside world.

2. The centralized online monitoring cabin system according to claim 1, characterized in that, It also includes a remote intelligent dashboard information unit, which is connected to the control system. The remote intelligent dashboard information unit is located inside the upstream experimental data information analysis center of the system, and the control system interacts with the upstream experimental data information analysis center.

3. The centralized online monitoring modular system according to claim 1, characterized in that, The sample pretreatment unit includes a sample pretreatment host, a liquid supply pipeline, and a solvent storage area.

4. The centralized online detection modular system according to claim 3, characterized in that, The liquid supply pipeline is connected to the cobalt removal main pipeline and / or steel removal tank in the factory area.

5. The centralized online monitoring modular system according to claim 1, characterized in that, The pretreatment of the stock solution sample includes collection, dilution, filtration, enrichment, purification and concentration. The sample pretreatment unit quantitatively extracts the liquid under high pressure by means of online sampling and online mixing and dilution with dual injection pumps. The sample pretreatment unit has a continuous infusion pump reflux branch and performs two-stage filtration of the stock solution.

6. The centralized online monitoring modular system according to claim 1, characterized in that, The online chemical analysis unit includes a gas or liquid chromatography-mass spectrometry analyzer, an inductively coupled plasma spectrometer, or a combination of an inductively coupled plasma mass spectrometer, a spectrometer, and an electrochemical analyzer.

7. The centralized online monitoring modular system according to claim 1, characterized in that, The online chemical analysis unit includes an online chemical analyzer, an industrial computer, a programmable logic control unit, and an electrical control component, all integrated and controlled by a software information system with a unified communication protocol.

8. The centralized online monitoring modular system according to claim 1, characterized in that, The energy medium includes water, electricity, and gas.

9. The centralized online monitoring modular system according to claim 1, characterized in that, The online detection positive pressure cabin laboratory is further equipped with a temperature and humidity control system, an external auxiliary system, an air intake and exhaust filtration system, a shock absorption system, and a monitoring and lighting system.

10. The centralized online monitoring cabin system according to claim 1, characterized in that, The flow-through components in the sample pretreatment unit are made of polytetrafluoroethylene, polyetheretherketone, or 316L stainless steel.

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