CN206930611U - A kind of portable flue gas dew point measure device - Google Patents
A kind of portable flue gas dew point measure device Download PDFInfo
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- CN206930611U CN206930611U CN201720749497.6U CN201720749497U CN206930611U CN 206930611 U CN206930611 U CN 206930611U CN 201720749497 U CN201720749497 U CN 201720749497U CN 206930611 U CN206930611 U CN 206930611U
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- compressed air
- dew point
- flue gas
- air cooling
- cooling device
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Abstract
The utility model discloses a kind of portable flue gas dew point measure device, the front end of sampling gun sets sampling mouth and is fitted in jointly on compressed air cooling device with Pitot tube, the outside of sampling gun sets sampling gun heater, filter and surface electrode are provided with compressed air cooling device, compressed air feedway provides compressed air and enters compressed air cooling device reduction surface electrode surface temperature after the cooling of temperature controlled water bath device, signal is amplified and judges flue gas acid dew point and aqueous dew point temperature with current data by micro-current caused by surface electrode electric discharge through current amplifier, earthing or grounding means is equipped with current amplifier, compressed air cooling device is circumscribed with drying device and aspiration pump.It uses portable type measuring pattern, can Accurate Determining coal-fired flue-gas acid dew point and aqueous dew point temperature, display directly perceived, operating efficiency is high, easy-to-use.
Description
Technical field
Technical field of environment protection equipment is the utility model is related to, device is determined more particularly, to a kind of portable flue gas dew point.
Background technology
Flue gas acid dew point is the key index for having influence on coal-burning power plant's utilization rate of waste heat, the monitor and detection of flue gas acid dew point
Safe operation to boiler has great importance.Current flue gas acid dew point detection means is mostly fixed installation formula, however, combustion
The amount of sulfur contenting in smoke of coal-fired plant is low, dustiness is high, and the detection means of this fixed installation is more for high sulfur content, low dustiness cigarette
Gas examinations, coal-fired plant flue gas measurement is not suitable for, moreover, the flue gas of coal-burning power plant is measured without real-time continuous prison
Control, this will easily cause detection means service life low, the phenomenon for causing cost to waste.
Utility model content
In view of the shortcomings of the prior art, technical problem to be solved is to provide a kind of portable flue gas dew to the utility model
Point measure device, it uses portable type measuring pattern, can Accurate Determining coal-fired flue-gas acid dew point and aqueous dew point temperature, it is directly perceived aobvious
Show, operating efficiency is high, easy-to-use.
The utility model is to be addressed above-mentioned technical problem by the following technical programs.
A kind of portable flue gas dew point measure device, including sampling mouth, sampling gun, Pitot tube, sampling gun heater, temperature
Humidity and pressure digital display device, filter, surface electrode, current amplifier, earthing or grounding means, compressed air cooling device, temperature
Water bath device and compressed air feedway are controlled, the front end of sampling gun sets sampling mouth and is fitted in compression sky jointly with Pitot tube
On air cooling device, the outside of sampling gun sets sampling gun heater, be provided with compressed air cooling device filter and
Surface electrode, compressed air feedway provide compressed air and enter compressed air cooling device after the cooling of temperature controlled water bath device
Surface electrode surface temperature is reduced, micro-current caused by surface electrode electric discharge amplifies signal through current amplifier and with electric current number
It is equipped with according to judgement flue gas acid dew point and aqueous dew point temperature, earthing or grounding means with current amplifier, compressed air cooling device is circumscribed with
Drying device and aspiration pump.
It is arranged on preferably, filter is replaceable in compressed air cooling device.
Preferably, humiture and the collection of pressure digital display assembly monitor flue gas constant speed, and made by sampling gun heater
Flue gas is heated to more than 260 degrees Celsius in sample lines makes SO3Completely gaseous state, when flue-gas temperature is less than acid dew point, gas
State SO3Sorrel, which is formed, in surface electrode surface condensation produces micro-current through surface electrode electric discharge.
The beneficial effects of the utility model：
Constant speed gathers flue gas, and flue gas is heated to more than 260 degrees Celsius in sample lines, ensures SO3Completely gaseous state, warp
Filter filters dust granules, and compressed air enters compressed air cooling device by the cooling of temperature controlled water bath device, reduces
Surface electrode surface temperature, temperature curve are continuously controllable.When flue-gas temperature is less than acid dew point, gaseous state SO3It is cold in electrode surface
It is solidifying, sorrel is formed, micro-current is produced through electrode discharge, amplifies signal through current amplifier, flue gas acid is judged with current data
Dew point and aqueous dew point temperature.It is portable, can periodically be monitored measurement, and service life length, measurement efficiency is high, and the used time is short,
It is high to measure precision, humiture and pressure digital display device intuitive display are easy-to-use.
Brief description of the drawings
It is intended to be easy to describe preferred embodiment in conjunction with the following drawings, does not form the limit to scope of protection of the utility model
System.
Fig. 1 is structural representation of the present utility model.
In figure：1- samples mouth, 2- sampling guns, 3- Pitot tubes, 4- sampling gun heaters, 5- humitures and pressure digital display dress
Put, 6- filters, 7- surface electrodes, 8- current amplifiers, 9- earthing or grounding means, 10- compressed air cooling devices, 11- temperature controls
Water bath device, 12- compressed air feedways, 13- drying devices, 14- aspiration pumps.
Embodiment
In order to facilitate the utility model is understood, below in conjunction with the accompanying drawings in the preferred embodiment pair of the present utility model that provides
The utility model is described in detail.
A kind of portable flue gas dew point measure device of the utility model as shown in Figure 1, including sampling mouth 1, sampling gun 2,
Pitot tube 3, sampling gun heater 4, humiture and pressure digital display device 5, filter 6, surface electrode 7, current amplifier
8th, earthing or grounding means 9, compressed air cooling device 10, temperature controlled water bath device 11 and compressed air feedway 12.Before sampling gun 2
End sets sampling mouth 1 and is fitted in jointly on compressed air cooling device 10 with Pitot tube 3, and the outside of sampling gun 2 sets sampling
Rifle heater 4.It is provided with filter 6 and surface electrode 7 in compressed air cooling device 10,6 replaceable setting of filter,
It is easy to flexibly exchange, increases the service life.Sampling mouth 1 and Pitot tube 3 are stretched into flue through walling of flue, humiture and number pressure
Aobvious device 5 monitors the collection of flue gas constant speed, and it is Celsius by sampling gun heater 4 flue gas is heated to 260 in sample lines
More than degree make SO3Completely gaseous state, the offer of compressed air feedway 12 compressed air cool laggard through temperature controlled water bath device 11
Entering compressed air cooling device 10 reduces the surface temperature of surface electrode 7, when flue-gas temperature is less than acid dew point, gaseous state SO3In table
The surface condensation of face electrode 7 and form sorrel and discharged through surface electrode 7 and produce micro-current, surface electrode 7 discharges caused micro-current
Signal is amplified through current amplifier 8 and flue gas acid dew point and aqueous dew point temperature, earthing or grounding means 9 and electric current are judged with current data
Amplifier 8 is equipped, and compressed air cooling device 10 is circumscribed with drying device 13 and aspiration pump 14.The measure device is using portable
Measurement pattern, can Accurate Determining coal-fired flue-gas acid dew point and aqueous dew point temperature, measurement efficiency is high, and the used time is short, passes through humiture
And pressure digital display device 5 can visual supervisory control and display, operate simple and convenient, dependable performance.
Some technical terms are intended merely to facilitate description used in the utility model, do not form to the utility model
Limitation, the utility model is not limited to above-described preferable embodiment, based on those skilled in the art institute
The known technology or use that can be known are capable of the various modifications of equivalence replacement and the embodiment of change in the prior art,
It is every to be based on spirit or technical concept of the present utility model, it should be included within the scope of protection of the utility model.
Claims (3)
1. a kind of portable flue gas dew point measure device, it is characterized in that：Including sampling mouth (1), sampling gun (2), Pitot tube (3),
Sampling gun heater (4), humiture and pressure digital display device (5), filter (6), surface electrode (7), current amplifier
(8), earthing or grounding means (9), compressed air cooling device (10), temperature controlled water bath device (11) and compressed air feedway (12),
The front end of sampling gun (2) sets sampling mouth (1) and is fitted in jointly on compressed air cooling device (10) with Pitot tube (3), adopts
The outside of sample rifle (2) sets sampling gun heater (4), and filter (6) and table are provided with compressed air cooling device (10)
Face electrode (7), compressed air feedway (12) provide compressed air and enter compression sky after temperature controlled water bath device (11) cooling
Air cooling device (10) reduces surface electrode (7) surface temperature, and micro-current is through current amplifier caused by surface electrode (7) electric discharge
(8) signal is amplified and flue gas acid dew point and aqueous dew point temperature, earthing or grounding means (9) and current amplifier is judged with current data
(8) it is equipped with, compressed air cooling device (10) is circumscribed with drying device (13) and aspiration pump (14).
2. portable flue gas dew point measure device according to claim 1, it is characterized in that：Filter (6) is replaceable
It is arranged in compressed air cooling device (10).
3. portable flue gas dew point measure device according to claim 1, it is characterized in that：Humiture and pressure digital display device
(5) collection of flue gas constant speed is monitored, and flue gas is heated to 260 degrees Celsius in sample lines by sampling gun heater (4)
Make SO above3Completely gaseous state, when flue-gas temperature is less than acid dew point, gaseous state SO3Formed in surface electrode (7) surface condensation
Sorrel discharges through surface electrode (7) produces micro-current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749497.6U CN206930611U (en) | 2017-06-26 | 2017-06-26 | A kind of portable flue gas dew point measure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749497.6U CN206930611U (en) | 2017-06-26 | 2017-06-26 | A kind of portable flue gas dew point measure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206930611U true CN206930611U (en) | 2018-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720749497.6U Active CN206930611U (en) | 2017-06-26 | 2017-06-26 | A kind of portable flue gas dew point measure device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206930611U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666217A (en) * | 2020-11-10 | 2021-04-16 | 西安交通大学 | Capacitive dew point monitoring device and method |
| CN113092530A (en) * | 2021-06-08 | 2021-07-09 | 中国矿业大学(北京) | Device and method for measuring compression dew point of gas moisture content |
-
2017
- 2017-06-26 CN CN201720749497.6U patent/CN206930611U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666217A (en) * | 2020-11-10 | 2021-04-16 | 西安交通大学 | Capacitive dew point monitoring device and method |
| CN113092530A (en) * | 2021-06-08 | 2021-07-09 | 中国矿业大学(北京) | Device and method for measuring compression dew point of gas moisture content |
| CN113092530B (en) * | 2021-06-08 | 2021-08-27 | 中国矿业大学(北京) | Device and method for measuring compression dew point of gas moisture content |
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