CN209589905U - SO in a kind of flue gas3On-line measurement system - Google Patents
SO in a kind of flue gas3On-line measurement system Download PDFInfo
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- CN209589905U CN209589905U CN201920243438.0U CN201920243438U CN209589905U CN 209589905 U CN209589905 U CN 209589905U CN 201920243438 U CN201920243438 U CN 201920243438U CN 209589905 U CN209589905 U CN 209589905U
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- flue gas
- absorbing liquid
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Abstract
The utility model discloses SO in a kind of flue gas3On-line measurement system, the thief hatch of heat tracing sampling apparatus is inserted in flue, the outlet of heat tracing sampling apparatus is connected with the entrance of electrochemical measurement system, the exhanst gas outlet of electrochemical measurement system is connected through flue gas flow measuring device with the entrance of flue gas suction pump, the outlet of flue gas suction pump is connected with the smoke inlet on flue wall surface, the absorbing liquid outlet of electrochemical measurement system is connected through absorbing liquid flow measurement device with the entrance of absorbing liquid delivery pump, the outlet of absorbing liquid delivery pump is divided into two-way, wherein it is connected all the way with absorbing liquid recyclable device, another way is connected with the entrance of absorbing liquid atomising device；The control terminal of heat tracing sampling apparatus, control terminal, the output end of absorbing liquid flow measurement device and the output end of flue gas flow measuring device for filtering back-blowing device are connected with controller, which can in real time, accurately measure SO in flue gas3Concentration.
Description
Technical field
The utility model belongs to flue gas pollutant field of measuring technique, is related to SO in a kind of flue gas3On-line measurement system.
Background technique
With NOx, SO in flue gas2And the implementation of flue dust minimum discharge, SO in flue gas3Emission problem increasingly become coke
Point problem.SO in flue gas3Traditional measurement method first by SO3It collects, then passes through the SO in manual measurement collection liquid3Content reaches
To measurement purpose, however, traditional measurement method timeliness is poor, and the artificial link of traditional measurement method is more, is easy to cause error,
Measurement result repeatability and reproducibility are poor.In addition, SO in flue gas3Content is low, and the test data of each measurement links is surveyed to final
Measuring result influences greatly, to guarantee that precision, measurement process require stringent.Since these objective factors are deposited during actual measurement
In, traditional measurement method it is difficult to ensure that SO in flue gas3The measurement accuracy of concentration.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides SO in a kind of flue gas3It is online to survey
Amount system, the system can in real time, accurately measure SO in flue gas3Concentration.
In order to achieve the above objectives, SO in flue gas described in the utility model3On-line measurement system include heat tracing sampling apparatus,
Electrochemical measurement system, through absorbing liquid flow measurement device, flue gas flow measuring device, flue gas suction pump, absorbing liquid delivery pump,
Absorbing liquid recyclable device and the absorbing liquid atomising device being set in flue；
The thief hatch of heat tracing sampling apparatus is inserted in flue, the outlet of heat tracing sampling apparatus and electrochemical measurement system
Entrance is connected, and the exhanst gas outlet of electrochemical measurement system is connected through flue gas flow measuring device with the entrance of flue gas suction pump
Logical, the outlet of flue gas suction pump is connected with the smoke inlet on flue wall surface, and the absorbing liquid of electrochemical measurement system exports warp
Absorbing liquid flow measurement device is connected with the entrance of absorbing liquid delivery pump, and the outlet of absorbing liquid delivery pump is divided into two-way, wherein
It is connected all the way with absorbing liquid recyclable device, another way is connected with the entrance of absorbing liquid atomising device；
The control terminal of heat tracing sampling apparatus, the control terminal for filtering back-blowing device, absorbing liquid flow measurement device output end
And the output end of flue gas flow measuring device is connected with controller.
The outlet of heat tracing sampling apparatus is connected through filtering back-blowing device with the entrance of electrochemical measurement system.
Controller is also connected with display device and data communication interface.
It is connected between heat tracing sampling apparatus and filtering back-blowing device by the first sampling pipe, filtering back-blowing device and electrification
It learns and is connected between measuring system by the second sampling pipe.
Heating device for heating is provided on first sampling pipe and the second sampling pipe.
It further include blowback gas source and purge gas pipeline, wherein the outlet of blowback gas source is through purge gas pipeline and mistake
The purge gas entrance of filter back-blowing device is connected.
The utility model has the following beneficial effects:
SO in flue gas described in the utility model3On-line measurement system and method are sampled when specific operation by heat tracing
Device acquires flue gas sample from flue, absorbs the SO in flue gas sample by absorbing liquid flow measurement device real-time detection3Institute
The flow information of absorbing liquid is consumed, and then SO in flue gas is calculated by controller3Concentration, timeliness and accuracy compared with
Height, and it is not necessarily to manpower intervention, save human cost.In addition, the flue gas after being measured is returned into flue, cigarette is absorbed
SO in gas3Consumed absorbing liquid is then emitted into flue or is collected by absorbing liquid recyclable device, after avoiding measurement
The secondary environmental pollution that flue gas and absorbing liquid generate.
Further, it is connected between heat tracing sampling apparatus and filtering back-blowing device by the first sampling pipe in the utility model
It is logical, it filters and is connected between back-blowing device and electrochemical measurement system by the second sampling pipe, the first sampling pipe and the second sampling
It is provided with heating device for heating on pipe, avoids sulfureous in flue gas acid vapor from condensing and block pipeline, so as to cause to survey
Measure the influence of result.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1 be heat tracing sampling apparatus, 2 be filtering back-blowing device, 3 be electrochemical measurement system, 4 be absorb flow quantity
Measuring device, 5 be absorbing liquid delivery pump, 6 be flue gas flow measuring device, 7 be flue gas suction pump, 8 be controller, 9 be display
Device, 10 be absorbing liquid atomising device, 11 be absorbing liquid recyclable device, 12 be data communication interface.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
With reference to Fig. 1, SO in flue gas described in the utility model3On-line measurement system includes heat tracing sampling apparatus 1, electrochemistry
Measuring system 3, through absorbing liquid flow measurement device 4, flue gas flow measuring device 6, flue gas suction pump 7, absorbing liquid delivery pump 5,
Absorbing liquid recyclable device 11 and the absorbing liquid atomising device 10 being set in flue；The thief hatch of heat tracing sampling apparatus 1 is inserted in
In flue, the outlet of heat tracing sampling apparatus 1 is connected with the entrance of electrochemical measurement system 3, the flue gas of electrochemical measurement system 3
Outlet is connected through flue gas flow measuring device 6 with the entrance of flue gas suction pump 7, the outlet of flue gas suction pump 7 and flue wall surface
On smoke inlet be connected, the outlet of the absorbing liquid of electrochemical measurement system 3 is defeated through absorbing liquid flow measurement device 4 and absorbing liquid
The entrance of pump 5 is sent to be connected, the outlet of absorbing liquid delivery pump 5 is divided into two-way, wherein being connected all the way with absorbing liquid recyclable device 11
Logical, another way is connected with the entrance of absorbing liquid atomising device 10；The control terminal of heat tracing sampling apparatus 1 filters back-blowing device 2
The output end of control terminal, the output end of absorbing liquid flow measurement device 4 and flue gas flow measuring device 6 is connected with controller 8
It connects.
The outlet of heat tracing sampling apparatus 1 is connected through filtering back-blowing device 2 with the entrance of electrochemical measurement system 3；Control
Device 8 is also connected with display device 9 and data communication interface 12.
Be connected between heat tracing sampling apparatus 1 and filtering back-blowing device 2 by the first sampling pipe, filter back-blowing device 2 and
It is connected between electrochemical measurement system 3 by the second sampling pipe；It is provided with and is used on first sampling pipe and the second sampling pipe
The heating device of heating.
The utility model further includes blowback gas source and purge gas pipeline, wherein the outlet of blowback gas source is through blowback air
Body pipeline is connected with the purge gas entrance of filtering back-blowing device 2.
The specific work process of the utility model are as follows:
Heat tracing sampling apparatus 1 acquires the flue gas sample in flue, and the flue gas sample is delivered to electrochemical measurement system
In system 3, electrochemical measurement system 3 is by absorbing liquid to the SO in flue gas3It is absorbed, the suction that electrochemical measurement system 3 exports
It receives liquid to divide through absorbing liquid flow measurement device 4 and absorbing liquid delivery pump 5 for two-way, wherein entering absorbing liquid recyclable device all the way
In 11, another way is injected in flue through absorbing liquid atomising device 10；The flue gas sample that electrochemical measurement system 3 exports is through flue gas
Flow measurement device 6 and flue gas suction pump 7 are delivered in flue, wherein 4 real-time detection of absorbing liquid flow measurement device absorbs cigarette
SO in gas sample sheet3The flow information of consumed absorbing liquid, and the SO in flue gas sample will be absorbed3The flow of consumed absorbing liquid
Information is sent in controller 8, while the flow information of flue gas sample is detected by flue gas flow measuring device 6, and by flue gas
The flow information of sample is sent in controller 8, and controller 8 is according in the flow information and absorption flue gas sample of flue gas sample
SO3The flow information of consumed absorbing liquid calculates SO in flue gas sample3Concentration.
In addition, passing through 9 real-time display SO of display device3Concentration, and pass through data communication interface 12 for SO3Concentration is sent to
In external equipment.
Claims (6)
1. SO in a kind of flue gas3On-line measurement system, which is characterized in that including heat tracing sampling apparatus (1), electrochemical measurement system
(3), through absorbing liquid flow measurement device (4), flue gas flow measuring device (6), flue gas suction pump (7), absorbing liquid delivery pump
(5), absorbing liquid recyclable device (11) and the absorbing liquid atomising device (10) being set in flue；
The thief hatch of heat tracing sampling apparatus (1) is inserted in flue, the outlet and electrochemical measurement system of heat tracing sampling apparatus (1)
(3) entrance is connected, and the exhanst gas outlet of electrochemical measurement system (3) is through flue gas flow measuring device (6) and flue gas suction pump
(7) entrance is connected, and the outlet of flue gas suction pump (7) is connected with the smoke inlet on flue wall surface, electrochemical measurement system
The absorbing liquid outlet of system (3) is connected through absorbing liquid flow measurement device (4) with the entrance of absorbing liquid delivery pump (5), absorbing liquid
The outlet of delivery pump (5) is divided into two-way, wherein being connected all the way with absorbing liquid recyclable device (11), another way and absorbing liquid are atomized
The entrance of device (10) is connected；
The control terminal of heat tracing sampling apparatus (1), the control terminal for filtering back-blowing device (2), absorbing liquid flow measurement device (4) it is defeated
The output end of outlet and flue gas flow measuring device (6) is connected with controller (8).
2. SO in flue gas according to claim 13On-line measurement system, which is characterized in that heat tracing sampling apparatus (1) goes out
Mouth is connected through filtering back-blowing device (2) with the entrance of electrochemical measurement system (3).
3. SO in flue gas according to claim 13On-line measurement system, which is characterized in that controller (8) is also connected with aobvious
Showing device (9) and data communication interface (12).
4. SO in flue gas according to claim 23On-line measurement system, which is characterized in that heat tracing sampling apparatus (1) and mistake
It is connected between filter back-blowing device (2) by the first sampling pipe, is filtered between back-blowing device (2) and electrochemical measurement system (3)
It is connected by the second sampling pipe.
5. SO in flue gas according to claim 43On-line measurement system, which is characterized in that the first sampling pipe and the second sampling
Heating device for heating is provided on pipe.
6. SO in flue gas according to claim 23On-line measurement system, which is characterized in that further include blowback gas source and anti-
Blowing pipeline, wherein purge gas entrance phase of the outlet of blowback gas source through purge gas pipeline with filtering back-blowing device (2)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243438.0U CN209589905U (en) | 2019-02-22 | 2019-02-22 | SO in a kind of flue gas3On-line measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243438.0U CN209589905U (en) | 2019-02-22 | 2019-02-22 | SO in a kind of flue gas3On-line measurement system |
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| Publication Number | Publication Date |
|---|---|
| CN209589905U true CN209589905U (en) | 2019-11-05 |
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| CN201920243438.0U Active CN209589905U (en) | 2019-02-22 | 2019-02-22 | SO in a kind of flue gas3On-line measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738487A (en) * | 2019-02-22 | 2019-05-10 | 西安西热锅炉环保工程有限公司 | SO in a kind of flue gas3On-line measurement system and method |
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2019
- 2019-02-22 CN CN201920243438.0U patent/CN209589905U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738487A (en) * | 2019-02-22 | 2019-05-10 | 西安西热锅炉环保工程有限公司 | SO in a kind of flue gas3On-line measurement system and method |
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