CN107621327A - A kind of full-automatic multipoint pressure measure device of pollution sources flue gas - Google Patents
A kind of full-automatic multipoint pressure measure device of pollution sources flue gas Download PDFInfo
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- CN107621327A CN107621327A CN201710727854.3A CN201710727854A CN107621327A CN 107621327 A CN107621327 A CN 107621327A CN 201710727854 A CN201710727854 A CN 201710727854A CN 107621327 A CN107621327 A CN 107621327A
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- flue gas
- alarm
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- pollution sources
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Abstract
The present invention provides a kind of pollution sources flue gas full-automatic multipoint pressure measure device, including sensor multiple spot distribution supporting open-and-close mechanism, sensor, signal conversion and calculate display device, maintenance warning and accident warning device, sensor multiple spot distribution supporting open-and-close mechanism is fixed with multiple sensor, display device is changed and calculated to signal includes multiplex inspector and display screen, the output end connection display screen of multiplex inspector, multiplex inspector input connect multiple sensors respectively；Safeguard that warning and accident warning device include alarm signal collector and alarm, alarm signal collector connection display screen and alarm.Apparatus of the present invention realize the multiple spot while Accurate Determining of flue gas flow rate flow, solve to cause charges for disposing pollutants to pay question at issue because flow measurement is inaccurate.
Description
Technical field
The invention belongs to environmental protection technical field, it is related to the flue gas inspection of pollution sources, specifically a kind of pollution sources flue gas
Full-automatic multipoint pressure measure device.
Background technology
The requirement of current stationary source flue gas flow rate measure is use dynamic pressure calculation method, and require to pollute source rectangle with
Flue gas flow rate in circular flue is carried out multiple spot using average meshes method or method of altering course with a concentric circle and determined simultaneously, with ensure to determine pressure and
The representativeness of flow velocity.At this stage in the flue gas pressures measure of reality, two kinds of the monitoring of departure work and on-line monitoring, monitoring by hand
Pressure is determined using Pitot tube in stationary monitoring hole using special measuring equipment for monitoring personnel, and calculates and is converted to flow velocity；
On-line monitoring system is that flow meters are arranged on flue mostly, is popped one's head in and determined by single-point list.And currently used hand
Work detects and the equal Shortcomings of on-line checking：First, monitoring due to taking time and effort, by space, is manually limited, nothing with equipment by hand
Method is simultaneously in the multiple regulation dbullioscopes of section, and the alternative rule of measuring space is difficult to represent same time point different at times
Measuring point pressure change, institute's determination data is caused to lack representativeness.Secondly, multi-parameter is considered in on-line monitoring system measurement of rate of flow
The integrated and installation of sensing equipment limits, and only takes single point assay at present, single point assay can not represent flue average pressure, and then lead
Cause flue gas flow rate flow distortion.So the above method can not meet the requirement for determining specification, cause determination data to lack and represent
Property, it is impossible to ensure the accuracy of flue gas flow rate data on flows.
The content of the invention
It is an object of the invention to provide a kind of full-automatic multipoint pressure measure device of pollution sources flue gas, it is capable of synchronization simultaneously
Multi-site determination, realize that flue gas flow rate multiple spot determines in the same time in flue.
The used to achieve these goals technical scheme of the present invention is：
A kind of full-automatic multipoint pressure measure device of pollution sources flue gas, including mechanical structure and data handling system, mechanical structure
Supporting open-and-close mechanism is distributed for sensor multiple spot, data handling system includes sensor, signal conversion and calculates display device, dimension
Shield warning and accident warning device, the sensor multiple spot distribution supporting open-and-close mechanism are fixed with multiple sensor, signal conversion
And calculating display device includes multiplex inspector and display screen, the output end connection display screen of multiplex inspector, the multichannel is patrolled
Inspection instrument input connects multiple sensors respectively；It is described to safeguard that warning and accident warning device include alarm signal collector and report
Alert device, alarm signal collector connection display screen and alarm.
The multiple spot distribution supporting open-and-close mechanism includes support, stent support arm, connecting shaft, steering gear and turbine snail
Bar, the support and stent support arm are connected by turbine and worm, and stent support arm is realized in support by turbine and worm
On folding stretching, extension, some turbine and worms are rack-mount, and some turbine and worms are linked together by connecting shaft, connecting shaft
Between connected by steering gear；The stent support arm sets sensor fixing point as pressure tap position；
The signal conversion and the logging model AI-704ME5J5J5L0S for calculating display device；
The display screen of display device is changed and calculated to the signal as 7 cun of display screens, built-in analysis program；
The alarm signal collector for safeguarding warning and accident warning device is AI3013D5 alarms；
The alarm for safeguarding warning and accident warning device is the flick of lamp alarm of AI-302MB7 types 8
The beneficial effects of the invention are as follows：
The present invention can be fully met《Waste gas in fixed source inspection specifications（HJ/T 397-2007）》It is required that realize flue gas flow rate stream
The multiple spot while Accurate Determining of amount, solve to cause charges for disposing pollutants to pay question at issue because flow measurement is inaccurate.
Brief description of the drawings
Fig. 1 is the schematic diagram of the data handling system of apparatus of the present invention；
Fig. 2 is the structural representation that multiple spot distribution supporting open-and-close mechanism includes support in the present invention；
1, support in figure；2nd, stent support arm；3rd, connecting shaft；4th, steering gear；5th, turbine and worm；6th, pressure tap position.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
A kind of full-automatic multipoint pressure measure device of pollution sources flue gas, including mechanical structure and data handling system；
Mechanical structure is that sensor multiple spot is distributed supporting open-and-close mechanism, as shown in Fig. 2 including support 1, stent support arm 2, is connected
Spindle 3, steering gear 4 and turbine and worm 5, support 1 and stent support arm 2 are connected by turbine and worm 5, stent support arm 2
Folding and stretching, extension on support are realized by turbine and worm 5, some turbine and worms 5 are arranged on support 1, some turbine and worms
5 are linked together by connecting shaft 3, are connected between connecting shaft 3 by steering gear 4；Sensor is set to consolidate on stent support arm 2
Fixed point is as pressure tap position 6；
The stent support arm 2 of sensor multiple spot distribution supporting open-and-close mechanism is arranged on specification along flue section in closed state
It is required that position, need to ensure that support 1 is exactly perpendicularly to flue gas flow to ensure the accuracy of measurement in installation, after installing,
Connecting shaft 3 is controlled to drive turbine and worm 5 to deploy stent support arm 2 by steering gear 4, and the position for doing suspension device is micro-
Adjust, it is ensured that multiple sensor air guide gaging hole meets air-flow position in code requirement measuring point and strictly in optimal, and static pressure transducer is surveyed
Hole is consistent with back of the body airflow direction；
Data handling system, including multichannel road sensor, signal conversion and calculating display device, maintenance warning and fault alarm
Device, multiple sensor are fixed on sensor multiple spot distribution supporting open-and-close mechanism, and signal conversion and calculating display device include
Multiplex inspector and display screen, the model AI-704ME5J5J5L0S of multiplex inspector, its output end connection display screen, input
End connects multiple sensor respectively；Display screen is 7 cun of display screens, built-in analysis program；Safeguard warning and accident warning device bag
Include alarm signal collector and alarm, alarm signal collector connection display screen and alarm.Alarm signal collector uses
AI3013D5 alarms；Alarm uses the flick of lamp alarm of AI-302MB7 types 8.
Its specific embodiment is as follows：As shown in figure 1,
First, sensor will be loaded with（HM26 ceramic capacitive pressures）Support be put into the specified location of flue, sensor signal is defeated
Go out the current signal for 4 ~ 20mA；
Then, sensor is connected on model AI-704ME5J5J5L0S logging, logging receives 4-20ma mould
Analog quantity signal, each logging can connect the sensor that 3 signal outputs are 4 ~ 20mA；Because support is No. 18 sensor letters
Number, need supporting 6 sets of loggings.
Then, the analog signalses of input are converted into digital quantity signal by logging, are conducted interviews, entered by 7 cun of touches
Row display.Analysis program built in 7 cun of display screens, the data that logging is exported can be subjected to Macro or mass analysis.Finally, touch aobvious
Display screen connects AI3013D5 alarms, and touch-screen allows corresponding node to be connected, output by data analysis when there is alarming logic
Switching value alarm signal, then AI3013D5 alarms be connected with the flick of lamp alarm of AI-302MB7 types 8, pass through the flicker of lamp
Realize alarm.
The system gathers the current signal of multiple sensor by logging, is converted into pressure simulation signal, multichannel pressure
Signal passes through《Waste gas in fixed source inspection specifications（HJ/T 397-2007）》Middle regulation formula is calculated as single measuring point pressure, and passes through
Multi-parameter weighted comprehensive, which calculates, obtains final flow rate, completes the parametric measurement of flow rate.
Claims (6)
1. a kind of full-automatic multipoint pressure measure device of pollution sources flue gas, is characterised by：Including mechanical structure and data processing system
System, mechanical structure are that sensor multiple spot is distributed supporting open-and-close mechanism, and data handling system includes sensor, signal conversion and calculated
Display device, warning and accident warning device are safeguarded, the sensor multiple spot distribution supporting open-and-close mechanism is fixed with multichannel sensing
Device, signal conversion and calculating display device include multiplex inspector and display screen, and the output end of multiplex inspector connects display screen,
The multiplex inspector input connects multiple sensors respectively；It is described to safeguard that warning and accident warning device include alarm signal
Collector and alarm, alarm signal collector connection display screen and alarm.
2. the full-automatic multipoint pressure measure device of a kind of pollution sources flue gas according to claim 1, is characterised by：It is described more
Point distribution supporting open-and-close mechanism includes support, stent support arm, connecting shaft, steering gear and turbine and worm, the support and branch
Frame stretching, extension support arm is connected by turbine and worm, and stent support arm realizes that the folding on support is stretched by turbine and worm, if
Dry turbine and worm is rack-mount, and some turbine and worms are linked together by connecting shaft, pass through steering gear between connecting shaft
Connection；The stent support arm sets sensor fixing point as pressure tap position.
3. the full-automatic multipoint pressure measure device of a kind of pollution sources flue gas according to claim 1, is characterised by：The letter
Number conversion and calculate display device logging model AI-704ME5J5J5L0S.
4. the full-automatic multipoint pressure measure device of a kind of pollution sources flue gas according to claim 1, is characterised by：The letter
Number the display screen of display device is changed and calculated as 7 cun of display screens, built-in analysis program.
5. the full-automatic multipoint pressure measure device of a kind of pollution sources flue gas according to claim 1, is characterised by：The dimension
The alarm signal collector of shield warning and accident warning device is AI3013D5 alarms.
6. the full-automatic multipoint pressure measure device of a kind of pollution sources flue gas according to claim 1, is characterised by：The dimension
The alarm of shield warning and accident warning device is the flick of lamp alarm of AI-302MB7 types 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727854.3A CN107621327A (en) | 2017-08-23 | 2017-08-23 | A kind of full-automatic multipoint pressure measure device of pollution sources flue gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727854.3A CN107621327A (en) | 2017-08-23 | 2017-08-23 | A kind of full-automatic multipoint pressure measure device of pollution sources flue gas |
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| CN107621327A true CN107621327A (en) | 2018-01-23 |
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| CN201710727854.3A Pending CN107621327A (en) | 2017-08-23 | 2017-08-23 | A kind of full-automatic multipoint pressure measure device of pollution sources flue gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108844869A (en) * | 2018-06-06 | 2018-11-20 | 山西省环境科学研究院 | A kind of flue dust on-line sampling and weighing device and method |
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|---|---|---|---|---|
| CN1558204A (en) * | 2004-01-15 | 2004-12-29 | 徐州发电厂 | Automatic test system for cold test of boiler and test method thereof |
| JP2010203846A (en) * | 2009-03-02 | 2010-09-16 | Mitsubishi Heavy Ind Ltd | Device for measuring flow velocity and concentration |
| CN202205345U (en) * | 2011-09-28 | 2012-04-25 | 国家档案局档案科学技术研究所 | Wireless temperature and humidity monitoring device of archive |
| CN205209570U (en) * | 2015-12-16 | 2016-05-04 | 罗杰 | Bushing type lead screw wind table fixing device |
| CN205785289U (en) * | 2016-04-14 | 2016-12-07 | 贵州大学 | A kind of temperature and pressure flow measuring apparatus |
| CN205785357U (en) * | 2016-04-14 | 2016-12-07 | 贵州大学 | A kind of matrix form area flowmeter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108844869A (en) * | 2018-06-06 | 2018-11-20 | 山西省环境科学研究院 | A kind of flue dust on-line sampling and weighing device and method |
| CN108844869B (en) * | 2018-06-06 | 2024-04-12 | 山西省生态环境监测和应急保障中心(山西省生态环境科学研究院) | Online smoke dust sampling and weighing device and method |
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