CN205384325U - Pipeline powder static monitoring ware - Google Patents
Pipeline powder static monitoring ware Download PDFInfo
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- CN205384325U CN205384325U CN201521113486.6U CN201521113486U CN205384325U CN 205384325 U CN205384325 U CN 205384325U CN 201521113486 U CN201521113486 U CN 201521113486U CN 205384325 U CN205384325 U CN 205384325U
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Abstract
The utility model discloses a pipeline powder static monitoring ware, it includes signal acquisition and processing device, electric field strength sensor, electric charge room and end instrument, input and electric field strength sensor, the electric charge room of signal acquisition and processing device are connected respectively, the output and the terminal instrument connecting of signal acquisition and processing device, the electric field strength sensor can detect the electric field strength in the pipeline, when detecting electric field strength and not surpassing the setting value, electric charge room nozzle down, along the orientation of powder removal, it is indoor that the powder can not get into the electric charge promptly, when detecting electric field strength and exceed the setting value, electric charge room nozzle up, opposite with powder moving direction promptly, it is indoor that the powder then falls into the electric charge, measures the charge -mass ratio that falls into the powder then. The utility model discloses can realize the automated inspection to powder charge -mass ratio in the pipeline, guarantee that the powder transports the security of the static real time monitoring of in -process, the guarantee process of transporting.
Description
Technical field
This utility model relates to a kind of pipeline powder electrostatic monitor.
Background technology
In petrochemical industry, powder electrostatic electric discharge can the accident such as initiation fire, blast.Therefore, in powder handling operation process, effective real time and on line monitoring of carried charge, is always up the advanced subject that electrostatic research field is extremely paid close attention to.Powder electrostatic parameter mainly has electrostatic potential, static electric field and charge-mass ratio etc..Wherein, charge-mass ratio (q/m) is an important characterization parameter of body of powder electrification degree, and when charge-mass ratio over-limit condition, the surface field of each powder particle is strong enough that the air of surrounding ionizes, it will cause powder electrostatic to discharge.Therefore, the measurement of charge-mass ratio is significant for pre-anti-electrostatic-discharge accident.
Utility model content
The purpose of this utility model is in that to propose a kind of pipeline powder electrostatic monitor, so that powder electrostatic in petroleum chemical enterprise's pipeline is carried out real time and on line monitoring.
To achieve these goals, this utility model adopts the following technical scheme that
Pipeline powder electrostatic monitor, including signal acquisition and processing apparatus, electric field strength transducer[sensor, electric charge room and end instrument；The input of signal acquisition and processing apparatus is connected respectively with electric field strength transducer[sensor, electric charge room；The outfan of signal acquisition and processing apparatus is connected with end instrument.
Preferably, described signal acquisition and processing apparatus includes the signal receiving circuit, signal amplification circuit and the signaling conversion circuit that are sequentially connected with.
Preferably, described electric field strength transducer[sensor, electric charge room and end instrument are connected with signal acquisition and processing apparatus each through shielded cable.
Preferably, described electric field strength transducer[sensor is arranged on pipeline, the probe of electric field strength transducer[sensor and pipe-line wrapping.
Preferably, described electric charge room is fixed on pipeline central authorities and pipe-line wrapping by metallic rod.
Preferably, described electric charge room is made up of double-level-metal cylinder, mutually insulated between two metal layers, and the nozzle of electric charge room has upwardly and downwardly two states.
Preferably, described electric charge room can around its axis 180 degree rotation.
Preferably, described pipeline powder electrostatic monitor also includes power supply, and power supply is connected with signal acquisition and processing apparatus.
This utility model adopts the following technical scheme that
Pipeline powder static detector in this utility model, it includes signal acquisition and processing apparatus, electric field strength transducer[sensor, electric charge room and end instrument；Wherein, electric field strength transducer[sensor can detect the electric field intensity in pipeline, and when detecting that electric field intensity is not above setting value, down, the direction namely moved along powder body, powder body can not enter electric charge indoor to electric charge room nozzle；When detecting that electric field intensity exceedes setting value, upward, namely contrary with powder body moving direction, powder body then falls into electric charge indoor to electric charge room nozzle, then measures the charge-mass ratio falling into powder body.This utility model can realize the automatic detection of powder body charge-mass ratio in pipeline, it is ensured that the electrostatic real-time monitoring in powder conveyance process, ensures the safety of transport process.
Accompanying drawing explanation
Fig. 1 is the structural representation of pipeline powder electrostatic monitor；
Wherein, 1-power supply, 2-signal acquisition and processing apparatus, 3-electric field strength transducer[sensor, 4-electric charge room, 5-end instrument, 6-pipeline.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is described in further detail:
Shown in Fig. 1, pipeline powder electrostatic monitor, including power supply 1, signal acquisition and processing apparatus 2, electric field strength transducer[sensor 3, electric charge room 4 and end instrument 5.Wherein, power supply 1 is connected with signal acquisition and processing apparatus 2.
Signal acquisition and processing apparatus 2 includes the signal receiving circuit, signal amplification circuit and the signaling conversion circuit that are sequentially connected with.
Electric field strength transducer[sensor 3 and electric charge room 4 are connected to the input of signal acquisition and processing apparatus 2, and end instrument 5 is connected to the outfan of signal acquisition and processing apparatus 2.Preferably, electric field strength transducer[sensor 3, electric charge room 4 and end instrument 5 are connected with signal acquisition and processing apparatus 2 each through shielded cable.
Electric field strength transducer[sensor 3 is arranged on pipeline 6, and in order to detect the static electric field in pipeline 6, the probe of electric field strength transducer[sensor 3 and pipeline 6 insulate.
Electric charge room 4 is arranged on pipeline 6 central authorities and pipe-line wrapping by metallic rod.Electric charge room 4 is made up of double-level-metal cylinder, mutually insulated between two metal layers, electric charge room 4 can around axis 180 degree rotation, and the nozzle to ensure electric charge room 4 can upward or down, and the nozzle of electric charge room 4 is controlled towards by end instrument 5 by signal acquisition and processing apparatus 2.
Concrete, it is achieved the mode that electric charge room 4 rotates around its axis 180 has multiple, for instance can being electric rotating machine driving etc., not being described in detail, as long as can guarantee that the nozzle of electric charge room 4 can upwardly and downwardly switch between two states herein.
During use, electric field strength transducer[sensor 3 can detect the electric field intensity in pipeline 6, and compares with the setting value in end instrument 5, when detecting that electric field intensity is not above setting value, down, the direction namely moved along powder body, powder body can not enter in electric charge room 4 electric charge room 4 nozzle；When detecting that electric field intensity exceedes setting value, electric charge room 4 nozzle is upward, namely contrary with powder body moving direction, and powder body then falls in electric charge room 4, then measures the charge-mass ratio falling into powder body.
This utility model can realize the automatic detection of powder body charge-mass ratio in pipeline 6, it is ensured that the electrostatic real-time monitoring in powder conveyance process, ensures the safety of transport process.
Certainly; described above it is only preferred embodiment of the present utility model; this utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this specification; made all equivalent replacement, obvious variant, all fall within the essential scope of this specification, ought to be subject to protection of the present utility model.
Claims (8)
1. pipeline powder electrostatic monitor, it is characterised in that include signal acquisition and processing apparatus, electric field strength transducer[sensor, electric charge room and end instrument；Wherein, the input of signal acquisition and processing apparatus is connected respectively with electric field strength transducer[sensor, electric charge room；The outfan of signal acquisition and processing apparatus is connected with end instrument.
2. pipeline powder electrostatic monitor according to claim 1, it is characterised in that described signal acquisition and processing apparatus includes the signal receiving circuit, signal amplification circuit and the signaling conversion circuit that are sequentially connected with.
3. pipeline powder electrostatic monitor according to claim 1, it is characterised in that described electric field strength transducer[sensor, electric charge room and end instrument are connected with signal acquisition and processing apparatus each through shielded cable.
4. pipeline powder electrostatic monitor according to claim 1, it is characterised in that described electric field strength transducer[sensor is arranged on pipeline, the probe of electric field strength transducer[sensor and pipe-line wrapping.
5. pipeline powder electrostatic monitor according to claim 1, it is characterised in that described electric charge room is fixed on pipeline central authorities and pipe-line wrapping by metallic rod.
6. pipeline powder electrostatic monitor according to claim 1, it is characterised in that described electric charge room is made up of double-level-metal cylinder, mutually insulated between two metal layers, and the nozzle of electric charge room has upwardly and downwardly two states.
7. pipeline powder electrostatic monitor according to claim 6, it is characterised in that described electric charge room can around its axis 180 degree rotation.
8. the pipeline powder electrostatic monitor according to any one of claim 1 to 7, it is characterised in that described pipeline powder electrostatic monitor also includes power supply, and power supply is connected with signal acquisition and processing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113486.6U CN205384325U (en) | 2015-12-29 | 2015-12-29 | Pipeline powder static monitoring ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113486.6U CN205384325U (en) | 2015-12-29 | 2015-12-29 | Pipeline powder static monitoring ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205384325U true CN205384325U (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521113486.6U Active CN205384325U (en) | 2015-12-29 | 2015-12-29 | Pipeline powder static monitoring ware |
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| CN (1) | CN205384325U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142900A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of wind send powder electrostatic on-line monitoring and eliminates control system |
| CN110568272A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Powder pneumatic conveying electrostatic monitor |
| CN110568278A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Pipeline powder static on-line monitoring device |
-
2015
- 2015-12-29 CN CN201521113486.6U patent/CN205384325U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142900A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of wind send powder electrostatic on-line monitoring and eliminates control system |
| CN110568272A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Powder pneumatic conveying electrostatic monitor |
| CN110568278A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Pipeline powder static on-line monitoring device |
| CN110568278B (en) * | 2018-06-06 | 2021-10-15 | 中国石油化工股份有限公司 | Pipeline powder static on-line monitoring device |
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