CN208818549U - Denitration smoke sampling probe - Google Patents
Denitration smoke sampling probe Download PDFInfo
- Publication number
- CN208818549U CN208818549U CN201821438761.5U CN201821438761U CN208818549U CN 208818549 U CN208818549 U CN 208818549U CN 201821438761 U CN201821438761 U CN 201821438761U CN 208818549 U CN208818549 U CN 208818549U
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- sensor
- flue gas
- casing
- guide shell
- sample tap
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Abstract
The utility model discloses a kind of denitration smoke sampling probes, it includes flue gas guide shell etc., the side of casing is equipped with flue gas guide shell and flue gas gas outlet, titanium filter core is built in casing, the other side of casing is connected with the side of mounting flange, sensor installation cavity is welded on the other side of mounting flange, sensor installs cavity and the gas circuit of casing realizes perforation, sensor is mounted on sensor installation cavity, pressure sensor, sample tap is all located at the other side of mounting flange, high temperature sampling pump is connect with sample tap, the measurement point and sample tap of pressure sensor are all communicated with casing, sensor, pressure sensor, display is all electrically connected with comparator, display is connected with high temperature sampling pump, a drying sheet is equipped in sensor.The utility model structure is simple, reduces the maintenance of equipment, measures to the nitrogen oxides in flue gas, it is possible to reduce fault point.
Description
Technical field
The utility model relates to a kind of probes, pop one's head in more particularly to a kind of denitration smoke sampling.
Background technique
The nitrogen oxides that pollution sources are discharged includes to be permitted multiple compounds, has different degrees of toxicity, can destroy human body
Nervous centralis, long-term sucking can cause cerebral paralysis, trick atrophy etc., and whens a large amount of suckings can cause nervous centralis paralysis, note
Recall forfeiture, the consequences such as quadriplegia or even death, while being discharged into the nitrogen oxides in atmosphere is also the important object to form acid rain
Matter, the above boiler of China's requirement scale needs to carry out denitration process thus, and is supervised in real time to nitrous oxides concentration numerical value
Control, the system monitored on-line to flue gas pollutant are that (english abbreviation is fixed-contamination source emission continuous monitor system
CEMS), the measurement method of currently used denitration CEMS is to extract to add cryochem, i.e. flue gas passes through sampling probe, heat tracing pipe
Then into gas analyzer, this traditional mode has the shortcomings that maintenance is big, fault point is more for line, de-watering apparatus, and
It can be very good the maintenance of reduction equipment using in-situ type measurement method, while there is advantages of simple structure and simple, as original position
A particularly important ring in formula measuring system, sampling probe needs reliable, denitrating technique and actual demand in conjunction with China, existing
It is proposed that a kind of novel denitration sampling probe, this sampling probe combine double ponds cell thick film zirconia sensor to nitrogen oxides in effluent
It measures.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of denitration smoke sampling probes, and structure is simple, subtracts
The maintenance of few equipment, measures the nitrogen oxides in flue gas.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of denitration smoke sampling spy
Head, which is characterized in that it includes flue gas guide shell, flue gas gas outlet, titanium filter core, mounting flange, sensor installation cavity, sensing
Device, pressure sensor, comparator, display, high temperature sampling pump, casing, sample tap, the side of casing are equipped with flue gas guide shell
With flue gas gas outlet, titanium filter core is built in casing, and the other side of casing is connected with the side of mounting flange, sensor installation cavity
Body is welded on the other side of mounting flange, and sensor installs cavity and the gas circuit of casing realizes perforation, and sensor is mounted on sensing
Device is installed on cavity, and pressure sensor, sample tap are all located at the other side of mounting flange, and high temperature sampling pump is connect with sample tap,
The measurement point and sample tap of pressure sensor are all communicated with casing, and sensor, pressure sensor, display are all electric with comparator
Connection, display are connected with high temperature sampling pump, and a drying sheet is equipped in sensor.
Preferably, the front end of the flue gas guide shell is that 45 ° of wedge shapes cut structure.
Preferably, the front end of the flue gas gas outlet is also 45 ° of wedge shape cutting structures.
Preferably, the titanium filter core is porous filter elements.
Preferably, the flue gas guide shell and flue gas gas outlet are all stainless steel circular pipe.
The positive effect of the utility model is: the utility model structure is simple, the maintenance of equipment is reduced, to cigarette
Nitrogen oxides in gas measures, it is possible to reduce fault point.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model preferred embodiment is provided, with reference to the accompanying drawing the technical solution of the utility model is described in detail.
As shown in Figure 1, the utility model denitration smoke sampling probe includes flue gas guide shell 1, flue gas gas outlet 2, titanium filter
Core 3, mounting flange 4, sensor install cavity 5, sensor 6, pressure sensor 7, comparator 8, display 9, high temperature sampling pump
10, casing 11, sample tap 13, the side of casing 11 are equipped with flue gas guide shell 1 and flue gas gas outlet 2, and titanium filter core 3 is built in set
In pipe 11, the other side of casing 11 is connected with the side of mounting flange 4, and sensor installation cavity 5 is welded on the another of mounting flange 4
Side, sensor installs cavity and the gas circuit of casing realizes perforation, and sensor 6 is mounted on sensor installation cavity 5, and pressure passes
Sensor 7, sample tap 13 are all located at the other side of mounting flange 4, and high temperature sampling pump 10 is connect with sample tap 13, pressure sensor 7
Measurement point and sample tap all communicated with casing 11, sensor 6, pressure sensor 7, display 9 are all electrically connected with comparator 8
It connects, display 9 is connected with high temperature sampling pump 10, and a drying sheet 12 is equipped in sensor 6.Sensor 6 can be double ponds thick film
Zirconia sensor.
The front end of flue gas guide shell 1 is that 45 ° of wedge shapes cut structure, its notch is windward side during installation, and face flue gas comes
To facilitate sucking flue gas.
The front end of flue gas gas outlet 2 is also 45 ° of wedge shape cutting structures, its notch is leeward during installation, back to flue gas
Come to facilitate the discharge for entering flue gas in guide shell.
Titanium filter core 3 is porous filter elements, can play protection to sensor 6 with filter diameter >=1um dust particle
Effect.
Flue gas guide shell 1 and flue gas gas outlet 2 are all stainless steel circular pipe, and two duct lengths are inconsistent, wherein cigarette
The length of gas gas outlet 2 is the half of 1 length of flue gas guide shell so that it is convenient to distinguish and use.
The side of casing 11 is equipped with sealing surface, is smoke entrance, is provided with flue gas guide shell 1 and cigarette on 11 sealing surface of casing
The mounting hole of gas gas outlet 2, flue gas guide shell 1 and flue gas gas outlet 2 are by being threadably mounted above this sealing surface.
The working principle of the utility model is as follows: the other side of casing by being threaded above mounting flange, thus
Penetrate through flue gas guide shell and flue gas gas outlet.Sensor, which is installed cavity and casing gas circuit and realized, to be penetrated through, in this way since gas in flue gas
Body is by flue gas guide shell sleeve pipe, then penetrates through titanium filter core and be diffused, and last sensor is to the nitrogen oxidation in flue gas
Object measures.Drying sheet can remove water, and improve the accuracy of measurement.The measurement point and sample tap of pressure sensor all with set
Pipe communicates, the pressure in pressure sensor real-time detection casing, and pressure signal is transferred to comparator, if pressure is less than one
Fixed data (setting value), then start high temperature sampling pump, increase sample flow indirectly.Display can show pressure information, nitrogen
Oxide measurement result etc..Titanium filter core uses high-purity titanium valve for raw material, and after sub-sieve, cold isostatic compaction, high temperature, high vacuum are burnt
Particulate matter in flue gas can be filtered out preferably, prevent measuring contamination sensor by POROUS TITANIUM filter element made of knot.Casing
Side sealed equipped with sealing surface, mounting hole, flue gas guide shell and flue gas gas outlet are provided on sealing surface by being threadably mounted at
Above this sealing surface, titanium filter core is installed in the middle position of casing, and the other side of casing is by being threaded on mounting flange
Face, to penetrate through flue gas guide shell and flue gas gas outlet, sensor installation cavity is mounted on the other side of mounting flange, cavity
Realize and penetrate through with casing, in this way since in flue gas gas pass through guide shell sleeve pipe, flue permeating is crossed titanium filter core, is then sensed
Device measures the nitrogen oxides in flue gas, this spline structure is simple, reduces the maintenance of equipment, it is possible to reduce fault point.Together
When, the side of mounting flange is also equipped with the sample tap of pressure sensor and high temperature sampling pump, the measurement point of pressure sensor and
The sample tap of high temperature sampling pump is equally penetrated through with casing, in normal conditions, by titanium filter core diffuse through come flue gas both can be with
Meet measurement demand, if pressure is less than certain data (setting value), starts high temperature sampling pump, so that on flue gas flow
It rises.The flue gas guide shell is for sucking flue gas.The flue gas gas outlet is for being discharged flue gas.The mounting flange can be effective
Fixed flue gas guide shell and flue gas gas outlet.The titanium filter core, can effective protection sensing for filtering biggish dust particle
Device, it is possible to reduce fault point.The sensor installation cavity is welded on mounting flange, is capable of fixing the position of sensor.
The utility model relies on flue gas guide shell sample introduction gas, and steady air current facilitates the stabilization of measurement data.Pass through pressure
Measurement of the sensor to pressure, accomplishes the closed-loop control to sample flow, realizes the stably measured of pollutant.
In conclusion the utility model denitration smoke sampling probe can be suitable for a variety of different sampling environments, safety
Coefficient is high, stable structure and simple, long service life.
Particular embodiments described above, the technical issues of to the solution of the utility model, technical scheme and beneficial effects
It has been further described, it should be understood that the foregoing is merely specific embodiment of the utility model, not
For limiting the utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of denitration smoke sampling probe, which is characterized in that it includes flue gas guide shell, flue gas gas outlet, titanium filter core, installation
Flange, sensor install cavity, sensor, pressure sensor, comparator, display, high temperature sampling pump, casing, sample tap, set
The side of pipe is equipped with flue gas guide shell and flue gas gas outlet, and titanium filter core is built in casing, the other side of casing and Method for Installation
Blue side is connected, and sensor installation cavity is welded on the other side of mounting flange, and sensor installs the gas circuit of cavity and casing
Realize perforation, sensor is mounted on sensor installation cavity, and pressure sensor, sample tap are all located at the another of mounting flange
Side, high temperature sampling pump are connect with sample tap, and the measurement point and sample tap of pressure sensor are all communicated with casing, sensor, pressure
Force snesor, display are all electrically connected with comparator, and display is connected with high temperature sampling pump, and a drying is equipped in sensor
Piece.
2. denitration smoke sampling probe as described in claim 1, which is characterized in that the front end of the flue gas guide shell is 45 °
Wedge shape cutting structure.
3. denitration smoke sampling probe as described in claim 1, which is characterized in that the front end of the flue gas gas outlet is also
45 ° of wedge shape cutting structures.
4. denitration smoke sampling probe as described in claim 1, which is characterized in that the titanium filter core is porous filter elements.
5. denitration smoke sampling probe as described in claim 1, which is characterized in that the flue gas guide shell and flue gas gas outlet
It is all stainless steel circular pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438761.5U CN208818549U (en) | 2018-09-04 | 2018-09-04 | Denitration smoke sampling probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438761.5U CN208818549U (en) | 2018-09-04 | 2018-09-04 | Denitration smoke sampling probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208818549U true CN208818549U (en) | 2019-05-03 |
Family
ID=66275688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821438761.5U Active CN208818549U (en) | 2018-09-04 | 2018-09-04 | Denitration smoke sampling probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208818549U (en) |
-
2018
- 2018-09-04 CN CN201821438761.5U patent/CN208818549U/en active Active
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