CN105158419A - Pumping type gas sampling monitoring device - Google Patents
Pumping type gas sampling monitoring device Download PDFInfo
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- CN105158419A CN105158419A CN201510523613.8A CN201510523613A CN105158419A CN 105158419 A CN105158419 A CN 105158419A CN 201510523613 A CN201510523613 A CN 201510523613A CN 105158419 A CN105158419 A CN 105158419A
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Abstract
The invention discloses a pumping type gas sampling monitoring device. The device comprises an analysis unit and a control unit, wherein the analysis unit comprises a detection pipeline, sampling pipelines, a calibration pipeline, a blowdown pipeline and a gas exhaust pipeline; the detection pipeline comprises a pipeline I as well as a filter, a pressure sensor I, a sampling pump I, a glass rotameter I and a gas sensor which are connected into the pipeline I in series; an inlet end of the pipeline I of the detection pipeline is connected with a plurality of sampling pipelines connected in parallel; each sampling pipeline comprises a pipeline II as well as a water detection assembly, a flame arrester, a flow control valve I and an electromagnetic directional valve I which are connected in the pipeline II in series; an outlet end of the pipeline II of each sampling pipeline is communicated with the inlet end of the pipeline I of the detection pipeline; the control unit is arranged outside a gas tightness box and electrically connected with the analysis unit; the device is further characterized in that a combustible gas detector is arranged in the gas tightness box. The pumping type gas sampling monitoring device is applicable to multi-point detection and is suitable for being mounted in hazardous places where explosive gas is possible to produce.
Description
Technical field
The present invention relates to gas sample monitoring field, be specifically related to a kind of gas sample monitoring device.
Background technology
Be all gas sample monitoring device is arranged on point of fixity carry out gas sample monitoring on the market at present, the defect of this monitoring method is: one is that gas sample monitoring device can not be arranged in moist region; Two is the detections being not suitable for multiple spot; Three is can not the gas concentration of active detecting hazardous location, can only passive detection regional diffusion gas concentration out, belongs to the mode of passive detection; Four be not suitable for being arranged on the hazardous area that may produce explosion gas, particularly oil carrier, the ballast tank of chemical tanker, empty cabin, etc. hazardous zone 1.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of pump suction gas sampling monitoring device that can overcome above-mentioned defect.
The present invention is achieved through the following technical solutions technical goal.
Pump suction gas sampling monitoring device, its improvements are: comprise analytic unit, control module; Described analytic unit comprises signal piping, sampling line; Described signal piping comprises pipeline I, the filtrator of series connection in pipeline I, pressure transducer I, sampling pump I, glass rotameter I, gas sensor; The entrance point of described signal piping pipeline I connects the sampling line of several parallel connections; Described sampling line comprises pipeline II, the series connection water detection components in pipeline II, spark arrester, flowrate control valve I, solenoid directional control valve I; The endpiece of described sampling line pipeline II is communicated with the entrance point of signal piping pipeline I; The entrance point of pipeline II, water detection components, spark arrester in described sampling line, that flowrate control valve I is arranged on impermeability casing is outside, and solenoid directional control valve I is arranged in impermeability casing; Described signal piping, except the pipeline of pipeline I exit portion, is all arranged in impermeability casing; Described control module is arranged on outside impermeability casing; Described control module and analytic unit are electrically connected.
In said structure, in described signal piping, sampling pump I side is connected in parallel sampling pump II; Be provided with solenoid directional control valve III at the line connection of sampling pump I, sampling pump II input end, described sampling pump I, sampling pump II are changed by solenoid directional control valve III.
In said structure, described signal piping is also connected flushing line with the link of sampling line; Described flushing line comprises pipeline III, the ball valve of series connection in pipeline III, gas pressure regulator, solenoid directional control valve II, pressure transducer II; It is outside that described ball valve is arranged on impermeability casing, and gas pressure regulator, solenoid directional control valve II, pressure transducer II are arranged in impermeability casing.
In said structure, described analytic unit also comprises calibration pipeline; Described calibration pipeline comprises pipeline IV, the glass rotameter II be connected in pipeline IV; Described calibration pipeline is connected with the pipeline I of signal piping between filtrator, solenoid directional control valve III, and junction is provided with solenoid directional control valve IV; Solenoid directional control valve V is provided with in pipeline I between sampling line pipeline II endpiece and signal piping pipeline I entrance point junction, signal piping middle filtrator; Except the endpiece of pipeline IV stretches out except impermeability casing in described calibration pipeline, all the other are all in impermeability casing.
In said structure, in described impermeability casing, be also provided with combustible gas probe.
In said structure, described control module comprises indicative control unit, Fu Xian unit; Described control module, Fu Xian unit and analytic unit are electrically connected.
In said structure, described pump suction gas sampling monitoring device also comprises audible-visual annunciator; It is outside that described audible-visual annunciator is arranged on impermeability casing.
In said structure, described analytic unit also comprises blowoff line; One end of described blowoff line is connected with filtrator blowdown, and it is outside that the other end stretches out impermeability casing, and centre is provided with solenoid directional control valve VI.
In said structure, described analytic unit also comprises gas exhaust piping; One end of described gas exhaust piping is connected with the pipeline I between sampling pump I, glass rotameter I, and it is outside that the other end stretches out impermeability casing, and centre is provided with flowrate control valve II.
In said structure, described analytic unit monitor signal passes to control module by communication modes.
The present invention compared with prior art, has following good effect:
1, analytic unit of the present invention comprises signal piping, sampling line, the entrance point of signal piping pipeline I connects the sampling line of several parallel connections, the sampling spot of each sampling line arranges the place of different needs monitorings, by the switching of solenoid directional control valve, carry out the monitoring of different sampling line gas, thus realize the monitoring to different places.Use the present invention, one is that the sampling spot of sampling line can be arranged in moist region; Two is detections of applicable multiple spot; Three is can the gas concentration of active detecting hazardous location; Four is be applicable to being arranged on the hazardous area that may produce explosion gas.
2, each sampling line is furnished with spark arrester, prevents hazardous location from occurring propagation of flame sampling line, enters into box house, enter safety zone, produces dangerous.
3, on sampling line, filtrator is installed, for impurity and the steam of filtering and sampling gas, prevent from damaging gas sensor, glass rotameter and pressure transducer are installed on sampling line simultaneously, spinner-type flowmeter is used for reflecting current sample pipeline gas uninterrupted intuitively, pressure transducer, for reflecting the pressure of sampling line inside, for judging the duty of vacuum pump, and reflects pipeline gas uninterrupted by the change of line pressure.
4, in signal piping, sampling pump I side is connected in parallel sampling pump II, and when one of them sampling pump breaks down, system automatic switchover another one sampling pump is started working, and improves reliability of the present invention like this.
5, signal piping is connected flushing line with the link of sampling line, rinses residual gas, the liquid in signal piping by flushing line.
6, be provided with calibration pipeline in analytic unit, can calibrate signal piping, improve the accuracy of monitoring further.
7, impermeability casing is provided with combustible gas probe, may occur and the explosion gas of remnants due to pipeline leakage or surprisingly for detecting impermeability box house, explosion gas once impermeability box house reaches certain concentration, the present invention directly shuts down, and prevents from producing surprisingly in safety zone.When impermeability casing implode gas concentration is lower than alarm setting value, the present invention can be restarted.
8, control module comprises indicative control unit, Fu Xian unit, can be arranged on two places, and handled easily uses, and one is in central station of floating dock, and one is positioned at and drives room.
9, be provided with audible-visual annunciator, carry out sound and light alarm by audible-visual annunciator.
10, be provided with blowoff line in analytic unit, the sewage in filtrator, impurity can be discharged.
11, gas exhaust piping is provided with in analytic unit, the pressure of adjustable signal piping.
12, analytic unit monitor signal passes to control module by communication modes, can realize Long-distance Control.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is pipeline schematic diagram of the present invention.
Embodiment
Below with reference to the accompanying drawings and the invention will be further described in conjunction with the embodiments.
The sampling monitoring of pump suction gas shown in accompanying drawing device, comprises analytic unit, control module, audible-visual annunciator 7; Analytic unit comprises signal piping 1, sampling line 2, calibration pipeline 4, gas exhaust piping 12, blowoff line 11; Signal piping 1 comprises pipeline I 1.1, the series connection filtrator 1.2 in pipeline I 1.1, pressure transducer I 1.3, sampling pump I 1.4, glass rotameter I 1.5, gas sensor 1.6, and in signal piping 1, sampling pump I 1.4 side is connected in parallel sampling pump II 1.7; Be provided with solenoid directional control valve III 1.8 at the line connection of sampling pump I 1.4, sampling pump II 1.7 input end, sampling pump I 1.4, sampling pump II 1.7 are changed by solenoid directional control valve III 1.8.
The entrance point of signal piping 1 pipeline I 1.1 connects the sampling line 2 of several parallel connections; Sampling line 2 comprises pipeline II 2.1, the series connection water detection components 2.2 in pipeline II 2.1, spark arrester 2.3, flowrate control valve I 2.4, solenoid directional control valve I 2.5; The endpiece of sampling line 2 pipeline II 2.1 is communicated with the entrance point of signal piping 1 pipeline I 1.1; The entrance point of pipeline II 2.1, water detection components 2.2, spark arrester 2.3 in sampling line 2, that flowrate control valve I 2.4 is arranged on impermeability casing 6 is outside, and solenoid directional control valve I 2.5 is arranged in impermeability casing 6; Signal piping 1, except the pipeline of pipeline I 1.1 exit portion, is all arranged in impermeability casing 6; Control module is arranged on outside impermeability casing 6; Control module and analytic unit are electrically connected.
Signal piping 1 is also connected flushing line 3 with the link of sampling line 2; Flushing line 3 comprises pipeline III 3.1, the series connection ball valve 3.2 in pipeline III 3.1, gas pressure regulator 3.3, solenoid directional control valve II 3.4, pressure transducer II 3.5; It is outside that ball valve 3.2 is arranged on impermeability casing 6, and gas pressure regulator 3.3, solenoid directional control valve II 3.4, pressure transducer II 3.5 are arranged in impermeability casing 6.
Calibration pipeline 4 comprises pipeline IV 4.1, the glass rotameter II 4.2 be connected in pipeline IV 4.1; Calibration pipeline 4 is connected with the pipeline I 1.1 of signal piping 1 between filtrator 1.2, solenoid directional control valve III 1.8, and junction is provided with solenoid directional control valve IV 1.9; Solenoid directional control valve V 1.10 is provided with in pipeline I 1.1 between sampling line 2 pipeline II 2.1 endpiece and signal piping 1 pipeline I 1.1 entrance point junction, signal piping 1 middle filtrator 1.2; Except the endpiece of pipeline IV 4.1 stretches out except impermeability casing 6 in calibration pipeline 4, all the other are all in impermeability casing 6.
One end of blowoff line 11 is connected with filtrator 1.2 blowdown, and it is outside that the other end stretches out impermeability casing 6, and centre is provided with solenoid directional control valve VI 1.11.
One end of gas exhaust piping 12 is connected with the pipeline I 1.1 between sampling pump I 1.4, glass rotameter I 1.5, and it is outside that the other end stretches out impermeability casing 6, and centre is provided with flowrate control valve II 1.12.
Combustible gas probe 5 is also provided with in impermeability casing 6.
It is outside that audible-visual annunciator 7 is arranged on impermeability casing 6.
Control module comprises indicative control unit 9, Fu Xian unit 10; Control module 9, Fu Xian unit 10 are electrically connected with analytic unit.
In other embodiments, analytic unit monitor signal passes to control module by communication modes, to realize Long-distance Control.
The present invention in use, by the switching of solenoid directional control valve I 2.5, makes signal piping 1 connect from different sampling lines 2, adopts the mode of circulation to draw the gas in each place to be monitored, thus the gas of monitoring different places.
Complete after once drawing, monitoring, need to rinse signal piping 1, remove residual gas, the liquid in signal piping 1, now close the solenoid directional control valve I of sampling line 2, disconnect sampling line 2, make solenoid directional control valve II 3.4 be in on-state, now, flushing line 3 and signal piping 1, can rinse signal piping 1.
In order to improve the accuracy of monitoring, the present invention is provided with calibration pipeline 4, during use, first makes solenoid directional control valve V 1.10 close, makes solenoid directional control valve IV 1.9 be in on-state, inputs calibrating gas, calibrate signal piping 1 from calibration pipeline 4.
Claims (10)
1. a pump suction gas sampling monitoring device, is characterized in that: comprise analytic unit, control module; Described analytic unit comprises signal piping (1), sampling line (2); Described signal piping (1) comprises pipeline I (1.1), the series connection filtrator (1.2) in pipeline I (1.1), pressure transducer I (1.3), sampling pump I (1.4), glass rotameter I (1.5), gas sensor (1.6); The entrance point of described signal piping (1) pipeline I (1.1) connects the sampling line (2) of several parallel connections; Described sampling line (2) comprises pipeline II (2.1), the series connection water detection components (2.2) in pipeline II (2.1), spark arrester (2.3), flowrate control valve I (2.4), solenoid directional control valve I (2.5); The endpiece of described sampling line (2) pipeline II (2.1) is communicated with the entrance point of signal piping (1) pipeline I (1.1); The entrance point of the middle pipeline II (2.1) of described sampling line (2), water detection components (2.2), spark arrester (2.3), flowrate control valve I (2.4) are arranged on impermeability casing (6) outside, and solenoid directional control valve I (2.5) is arranged in impermeability casing (6); Described signal piping (1), except the pipeline of pipeline I (1.1) exit portion, is all arranged in impermeability casing (6); Described control module is arranged on impermeability casing (6) outward; Described control module and analytic unit are electrically connected.
2. pump suction gas sampling monitoring device according to claim 1, is characterized in that: in described signal piping (1), sampling pump I (1.4) side is connected in parallel sampling pump II (1.7); Be provided with solenoid directional control valve III (1.8) at the line connection of sampling pump I (1.4), sampling pump II (1.7) input end, described sampling pump I (1.4), sampling pump II (1.7) are changed by solenoid directional control valve III (1.8).
3. pump suction gas sampling monitoring device according to claim 1 and 2, is characterized in that: described signal piping (1) is also connected flushing line (3) with the link of sampling line (2); Described flushing line (3) comprises pipeline III (3.1), the series connection ball valve (3.2) in pipeline III (3.1), gas pressure regulator (3.3), solenoid directional control valve II (3.4), pressure transducer II (3.5); It is outside that described ball valve (3.2) is arranged on impermeability casing (6), and gas pressure regulator (3.3), solenoid directional control valve II (3.4), pressure transducer II (3.5) are arranged in impermeability casing (6).
4. pump suction gas sampling monitoring device according to claim 3, is characterized in that: described analytic unit also comprises calibration pipeline (4); Described calibration pipeline (4) comprises pipeline IV (4.1), the glass rotameter II (4.2) be connected in pipeline IV (4.1); Described calibration pipeline (4) is connected with the pipeline I (1.1) of signal piping (1) between filtrator (1.2), solenoid directional control valve III (1.8), and junction is provided with solenoid directional control valve IV (1.9); Solenoid directional control valve V (1.10) is provided with in pipeline I (1.1) between sampling line (2) pipeline II (2.1) endpiece and signal piping (1) pipeline I (1.1) entrance point junction, signal piping (1) middle filtrator (1.2); Except the endpiece of pipeline IV (4.1) stretches out except impermeability casing (6) in described calibration pipeline (4), all the other are all in impermeability casing (6).
5. pump suction gas sampling monitoring device according to claim 4, is characterized in that: be also provided with combustible gas probe (5) in described impermeability casing (6).
6. pump suction gas sampling monitoring device according to claim 5, is characterized in that: described control module comprises indicative control unit (9), Fu Xian unit (10); Described control module (9), Fu Xian unit (10) and analytic unit are electrically connected.
7. pump suction gas sampling monitoring device according to claim 6, is characterized in that: described pump suction gas sampling monitoring device also comprises audible-visual annunciator (7); It is outside that described audible-visual annunciator (7) is arranged on impermeability casing (6).
8. pump suction gas sampling monitoring device according to claim 7, is characterized in that: described analytic unit also comprises blowoff line (11); One end of described blowoff line (11) is connected with filtrator (1.2) blowdown, and it is outside that the other end stretches out impermeability casing (6), and centre is provided with solenoid directional control valve VI (1.11).
9. pump suction gas sampling monitoring device according to claim 8, is characterized in that: described analytic unit also comprises gas exhaust piping (12); One end of described gas exhaust piping (12) is connected with the pipeline I (1.1) between sampling pump I (1.4), glass rotameter I (1.5), and it is outside that the other end stretches out impermeability casing (6), and centre is provided with flowrate control valve II (1.12).
10. pump suction gas sampling monitoring device according to claim 9, is characterized in that: described analytic unit monitor signal passes to control module by communication modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510523613.8A CN105158419A (en) | 2015-08-25 | 2015-08-25 | Pumping type gas sampling monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510523613.8A CN105158419A (en) | 2015-08-25 | 2015-08-25 | Pumping type gas sampling monitoring device |
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| CN105158419A true CN105158419A (en) | 2015-12-16 |
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| CN201510523613.8A Pending CN105158419A (en) | 2015-08-25 | 2015-08-25 | Pumping type gas sampling monitoring device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324197A (en) * | 2016-08-22 | 2017-01-11 | 芜湖市神龙新能源科技有限公司 | Atmospheric pollution detection device convenient to clean |
| CN107315078A (en) * | 2016-06-12 | 2017-11-03 | 中国石油化工股份有限公司 | Cryogenic natural gas concentration detection apparatus |
| CN107315079A (en) * | 2016-06-12 | 2017-11-03 | 中国石油化工股份有限公司 | System integration method for cryogenic natural gas Concentration Testing |
| CN108613848A (en) * | 2018-06-19 | 2018-10-02 | 华电电力科学研究院有限公司 | A kind of intelligent flue gas distribution sampler and sampling method |
| CN108845112A (en) * | 2018-06-22 | 2018-11-20 | 深圳市亚泰光电技术有限公司 | A kind of oil product detection cleaning device and its application method |
| CN109425514A (en) * | 2017-08-25 | 2019-03-05 | 赛默飞世尔（上海）仪器有限公司 | fluid sampling device |
| CN109900530A (en) * | 2019-04-11 | 2019-06-18 | 优泰科技（深圳）有限公司 | A kind of method of sampling and device for gaseous sample sampling |
| CN112201012A (en) * | 2020-10-29 | 2021-01-08 | 中国船舶工业集团公司第七0八研究所 | Gas detection-based device and method for monitoring fuel leakage in water tank |
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| CN109900530A (en) * | 2019-04-11 | 2019-06-18 | 优泰科技（深圳）有限公司 | A kind of method of sampling and device for gaseous sample sampling |
| CN112201012A (en) * | 2020-10-29 | 2021-01-08 | 中国船舶工业集团公司第七0八研究所 | Gas detection-based device and method for monitoring fuel leakage in water tank |
| CN112201012B (en) * | 2020-10-29 | 2024-04-12 | 中国船舶工业集团公司第七0八研究所 | Water tank internal combustion oil leakage monitoring device and monitoring method based on gas detection |
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Application publication date: 20151216 |