CN203561877U - Thermal power plant ammonia and hydrazine leak online monitoring system - Google Patents
Thermal power plant ammonia and hydrazine leak online monitoring system Download PDFInfo
- Publication number
- CN203561877U CN203561877U CN201320791779.4U CN201320791779U CN203561877U CN 203561877 U CN203561877 U CN 203561877U CN 201320791779 U CN201320791779 U CN 201320791779U CN 203561877 U CN203561877 U CN 203561877U
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- CN
- China
- Prior art keywords
- sensor
- ammonia
- diamine
- embedded microcontroller
- power plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 35
- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 title abstract 12
- 238000004891 communication Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 9
- 150000004985 diamines Chemical class 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 abstract 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Testing And Monitoring For Control Systems (AREA)
Abstract
The utility model discloses a thermal power plant ammonia and hydrazine leak online monitoring system which comprises a sealed air chamber, an ammonia sensor, a hydrazine sensor, a temperature sensor, a pressure sensor, a gas discharge pump, an analog-to-digital converter, a flow meter, a dryer, a micro-sampling air pump, a time display, an intelligent key device, an optical alarm, a liquid crystal display, a serial port communication assembly, an embedded microcontroller, and a monitoring center assembly, wherein the micro-sampling air pump is connected with the sealed air chamber through the dryer and the flow meter; the sealed air chamber is connected with the gas discharge pump; the ammonia sensor, the hydrazine sensor, the temperature sensor and the pressure sensor are connected with the embedded microcontroller through the analog-to-digital converter; the embedded microcontroller is connected with the flow meter, the dryer, the micro-sampling air pump, the time display, the intelligent key device, the optical alarm, the liquid crystal display and the serial port communication assembly; and the monitoring center assembly includes a data transmission apparatus and a computer monitoring platform. The thermal power plant ammonia and hydrazine leak online monitoring system can effectively monitor the ammonia and hydrazine in the environment, give an alarm and perform data acquisition and transmission.
Description
Technical field
The utility model relates to a kind of gas monitoring system, relates in particular to a kind of thermal power plant ammonia, diamine leakage on-line monitoring system.
Background technology
Current, Thermal Power Generation Industry is to automation direction high speed development, and safety problem is a problem demanding prompt solution all the time.Both at home and abroad the research of ammonia, diamine leakage monitoring is paid much attention at present, ammonia, diamine concentration between Real-Time Monitoring power plant medicine adding vehicle are significant for ensureing that power plant safety is produced.
China has made great progress in the work of development ammonia, diamine measuring instrument, and portable electrochemical ammonia, diamine concentration detector have been manufactured in research.Portable ammonia, diamine concentration detector are that various countries apply the most general the earliest a kind of ammonia and diamine Density Detection Instrument, can detect at any time the ammonia in operation place, the concentration of diamine.
Adopt portable ammonia, diamine detector to detect the leakage of ammonia and diamine, ubiquity that function singleness, precision are not high, labor intensive shortcoming, and intelligent degree is low, can not the information detecting be processed, be stored and be transmitted.
Utility model content
The purpose of this utility model: provide a kind of thermal power plant ammonia, diamine to reveal on-line monitoring system, ammonia, the diamine that can the information detecting be processed, be reported to the police and transmit be revealed on-line monitoring, fast response time, measuring accuracy is high, stability and reproducible; Adopt the combination of 3G wireless transport module and USB communication module; Full software automatic calibration function, adopts Modular Structure Design, is convenient to system maintenance; The mounting bracket of Specialty Design, instrument scene is easy for installation, quick; Exportable high and low alerting signal; Adopt Digital and analog, clock display, warning message to consult.
To achieve these goals, the technical solution of the utility model is:
A kind of thermal power plant ammonia, diamine are revealed on-line monitoring system, comprise sealed air chamber, ammoniacal sensor, diamine sensor, temperature sensor, pressure transducer, gas discharging pump, analog to digital converter, flowmeter, exsiccator, micro-sampling air pump, time display, smart key device, light crossing-signal, liquid crystal display, serial communication assembly, embedded microcontroller and Surveillance center's assembly, one end of described micro-sampling air pump is communicated with one end of described exsiccator, the other end of described exsiccator is communicated with one end of described flowmeter, the other end of described flowmeter is communicated with a side of described sealed air chamber, and the opposite side of described sealed air chamber is communicated with described gas discharging pump, described ammoniacal sensor, diamine sensor, temperature sensor and pressure transducer are separately positioned in described sealed air chamber, described ammoniacal sensor, diamine sensor, temperature sensor and pressure transducer output terminal are connected with one end of described analog to digital converter respectively, the other end of described analog to digital converter is connected with described embedded microcontroller input end, the output terminal of described embedded microcontroller respectively with described flowmeter, exsiccator and micro-sampling air pump connect, described time display, smart key device, light crossing-signal, liquid crystal display and serial communication assembly are connected on another output terminal of described embedded microcontroller, described Surveillance center's assembly comprises data transmission device and computer monitoring platform, and one end of described data transmission device is connected with described embedded microcontroller, and the other end of described data transmission device is connected with described computer monitoring platform.
Above-mentioned thermal power plant's ammonia, diamine are revealed on-line monitoring system, wherein, also comprise water injector, and described water injector is connected with the output terminal of described embedded microcontroller.
Above-mentioned thermal power plant's ammonia, diamine are revealed on-line monitoring system, and wherein, described serial communication assembly is connected and composed by serial communication device, 3G Wireless Transmitter and USB communicator.
Above-mentioned thermal power plant's ammonia, diamine are revealed on-line monitoring system, and wherein, described light crossing-signal is connected to form by multiple light emitting diodes.
The utility model can be effectively to the ammonia in various environment, diamine monitor, warning and data acquisition and transmission, the multiple place field monitorings such as it is mainly used between boiler of power plant dosing, chemical plant, laboratory.
Accompanying drawing explanation
Fig. 1 is the connection layout that a kind of thermal power plant of the utility model ammonia, diamine are revealed on-line monitoring system.
Embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model.
Refer to shown in accompanying drawing 1, a kind of thermal power plant ammonia, diamine are revealed on-line monitoring system, comprise sealed air chamber 1, ammoniacal sensor 2, diamine sensor 3, temperature sensor 4, pressure transducer 5, gas discharging pump 6, analog to digital converter 7, flowmeter 8, exsiccator 9, micro-sampling air pump 10, time display 11, smart key device 12, light crossing-signal 13, liquid crystal display 14, serial communication assembly 15, embedded microcontroller 16 and Surveillance center's assembly, one end of described micro-sampling air pump 10 is communicated with one end of described exsiccator 9, the other end of described exsiccator 9 is communicated with one end of described flowmeter 8, the other end of described flowmeter 8 is communicated with a side of described sealed air chamber 1, the opposite side of described sealed air chamber 1 is communicated with described gas discharging pump 6, micro-sampling air pump 10 sampled air, after drying and meter flow, enter sealed air chamber 1, after detection, from gas discharging pump 6, discharge, described ammoniacal sensor 2, diamine sensor 3, temperature sensor 4 and pressure transducer 5 are separately positioned in described sealed air chamber 1, for the ammonia of test sample control, the content of diamine and temperature and pressure, described ammoniacal sensor 2, diamine sensor 3, temperature sensor 4 and pressure transducer 5 output terminals are connected with one end of described analog to digital converter 7 respectively, the electric signal that sensor is transmitted is converted to digital signal, the other end of described analog to digital converter 7 is connected with described embedded microcontroller 16 input ends, the output terminal of described embedded microcontroller 16 respectively with described flowmeter 8, exsiccator 9 and micro-sampling air pump 10 connect, described time display 11, smart key device 12, light crossing-signal 13, liquid crystal display 14 and serial communication assembly 15 are connected on another output terminal of described embedded microcontroller 16, time display 11 is for showing current time, smart key device 12 can carry out the operations such as parameter arranges, liquid crystal display 14 is for showing sensing data, described Surveillance center's assembly comprises data transmission device 17 and computer monitoring platform 18, one end of described data transmission device 17 is connected with described embedded microcontroller 16, the other end of described data transmission device 17 is connected with described computer monitoring platform 18, reaches the object of on-site supervision.
Also comprise water injector 19, described water injector 19 is connected with the output terminal of described embedded microcontroller 16.When the concentration of Ammonia in Air, diamine exceedes alarming value, water injector 19 can be opened automatically, and the pipeline that is positioned at top, workshop can spray spray water to whole workshop, reduces the evaporation of ammonia, diamine.
Described serial communication assembly 15 is connected and composed by serial communication module, 3G wireless transport module and USB communication module, can carry out collection, the transmission of data.
Described light crossing-signal 13 is connected to form by multiple light emitting diodes, when the concentration of Ammonia in Air, diamine exceedes alarming value, and light crossing-signal 13 luminous alarms.
Embedded microcontroller 16 can adopt the embedded microcontroller based on STM32-F1, and it is the analog to digital converter of AD7960 that analog to digital converter 7 can adopt model.
In sum, the utility model can be effectively to the ammonia in various environment, diamine monitor, warning and data acquisition and transmission, the multiple place field monitorings such as it is mainly used between boiler of power plant dosing, chemical plant, laboratory.
Claims (4)
1. thermal power plant's ammonia, diamine are revealed an on-line monitoring system, it is characterized in that: comprise sealed air chamber, ammoniacal sensor, diamine sensor, temperature sensor, pressure transducer, gas discharging pump, analog to digital converter, flowmeter, exsiccator, micro-sampling air pump, time display, smart key device, light crossing-signal, liquid crystal display, serial communication assembly, embedded microcontroller and Surveillance center's assembly, one end of described micro-sampling air pump is communicated with one end of described exsiccator, the other end of described exsiccator is communicated with one end of described flowmeter, the other end of described flowmeter is communicated with a side of described sealed air chamber, and the opposite side of described sealed air chamber is communicated with described gas discharging pump, described ammoniacal sensor, diamine sensor, temperature sensor and pressure transducer are separately positioned in described sealed air chamber, described ammoniacal sensor, diamine sensor, temperature sensor and pressure transducer output terminal are connected with one end of described analog to digital converter respectively, the other end of described analog to digital converter is connected with described embedded microcontroller input end, the output terminal of described embedded microcontroller respectively with described flowmeter, exsiccator and micro-sampling air pump connect, described time display, smart key device, light crossing-signal, liquid crystal display and serial communication assembly are connected on another output terminal of described embedded microcontroller, described Surveillance center's assembly comprises data transmission device and computer monitoring platform, and one end of described data transmission device is connected with described embedded microcontroller, and the other end of described data transmission device is connected with described computer monitoring platform.
2. thermal power plant according to claim 1 ammonia, diamine are revealed on-line monitoring system, it is characterized in that: also comprise water injector, described water injector is connected with the output terminal of described embedded microcontroller.
3. thermal power plant according to claim 1 ammonia, diamine are revealed on-line monitoring system, it is characterized in that: described serial communication assembly is connected and composed by serial communication device, 3G Wireless Transmitter and USB communicator.
4. thermal power plant according to claim 1 ammonia, diamine are revealed on-line monitoring system, it is characterized in that: described light crossing-signal is connected to form by multiple light emitting diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320791779.4U CN203561877U (en) | 2013-11-30 | 2013-11-30 | Thermal power plant ammonia and hydrazine leak online monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320791779.4U CN203561877U (en) | 2013-11-30 | 2013-11-30 | Thermal power plant ammonia and hydrazine leak online monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203561877U true CN203561877U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320791779.4U Expired - Lifetime CN203561877U (en) | 2013-11-30 | 2013-11-30 | Thermal power plant ammonia and hydrazine leak online monitoring system |
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| CN (1) | CN203561877U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957282A (en) * | 2017-12-19 | 2018-04-24 | 中国水利水电科学研究院 | A kind of Cooling Water From Thermal Power Plants quantity of circulating water balance monitoring system |
| CN114046939A (en) * | 2021-10-28 | 2022-02-15 | 中国地质大学（武汉） | A kind of low temperature cold storage liquid ammonia leakage detection system and method |
| RU2787899C1 (en) * | 2022-01-19 | 2023-01-13 | Федеральное государственное бюджетное учреждение "33 Центральный научно-исследовательский испытательный институт" Министерства обороны Российской Федерации | Laboratory facility for determining the masking characteristics of aerosols in the infrared range of the electromagnetic radiation spectrum |
-
2013
- 2013-11-30 CN CN201320791779.4U patent/CN203561877U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957282A (en) * | 2017-12-19 | 2018-04-24 | 中国水利水电科学研究院 | A kind of Cooling Water From Thermal Power Plants quantity of circulating water balance monitoring system |
| CN107957282B (en) * | 2017-12-19 | 2019-02-19 | 中国水利水电科学研究院 | A thermal power plant cooling water circulating water balance monitoring system |
| CN114046939A (en) * | 2021-10-28 | 2022-02-15 | 中国地质大学（武汉） | A kind of low temperature cold storage liquid ammonia leakage detection system and method |
| RU2787899C1 (en) * | 2022-01-19 | 2023-01-13 | Федеральное государственное бюджетное учреждение "33 Центральный научно-исследовательский испытательный институт" Министерства обороны Российской Федерации | Laboratory facility for determining the masking characteristics of aerosols in the infrared range of the electromagnetic radiation spectrum |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
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| CX01 | Expiry of patent term |