CN209231043U - A kind of flue gas sampling probe - Google Patents
A kind of flue gas sampling probe Download PDFInfo
- Publication number
- CN209231043U CN209231043U CN201821954554.5U CN201821954554U CN209231043U CN 209231043 U CN209231043 U CN 209231043U CN 201821954554 U CN201821954554 U CN 201821954554U CN 209231043 U CN209231043 U CN 209231043U
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- flue
- flue gas
- inserting tube
- fixedly installed
- outer housing
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Abstract
The utility model discloses a kind of flue gas sampling probes, including outer housing, several mica heating sheets are fixedly installed on the other side side wall of first inserting tube inner cavity, the inside of outer housing is equipped with flue, the inside of flue is fixedly installed with ceramic element, the side of flue bottom is opened up there are two blowback port arranged side by side, the other side of the other side and bottom at the top of flue is respectively connected with compressed air hose, the other side of two compressed air hoses is fixedly installed with heat tracing pipe, heating tape is fixedly connected between two heat tracing pipes, the beneficial effects of the utility model are: the silica wool layer and internal screw thread that are equipped with, easy to disassemble and the secondth inserting tube of replacement and silica wool layer, silica wool layer can effectively adsorb the fine particle in flue gas simultaneously, avoid the inside that particle enters sampling probe, the mica heating sheet being equipped with , heated in the first inserting tube, avoid the moisture in flue gas from condensing, cause flue gas inspection result inaccurate, data are unreliable.
Description
Technical field
The utility model relates to a kind of sampling probe, in particular to a kind of flue gas sampling probe.
Background technique
With the development of society, the progress of science and technology, big industrial expansion, the requirement to environmental protection is higher and higher, needs to accomplish
Real-time monitoring is handled in real time, and therefore, stationary source Continuous emission monitoring system is just even more important, and stationary source flue gas
The flue gas sampling probe of discharge continuous monitor system has a decisive role whole system, the flue gas in chimney or flue
Under the swabbing action of sampling pump (equipment other than probe), after the heating and thermal insulation of flue gas sampling probe, dust removal by filtration,
The requirement of high-precision flue gas primary filter heat preservation can be reached, then through a kind of electric tracing tube (thermostatically controlled appendix of electric heating
Road) flue gas pretreatment unit is arrived, after preprocessed unit, it is finally fed to flue gas analyzer, carries out gaseous pollutant
Concentration analysis detection, fixed pollution source smoke discharge continuous monitor system need to get off the smoke collecting in chimney or flue, into
After the processing of row water-dust removing, gas analyzer is sent to carry out analysis detection, and under normal circumstances, gas analyzer, flue gas pretreatment
Unit is being analyzed in room (in monitoring room), and the sampled point of flue gas should be located on chimney or flue by professional standard regulation, sampling
Pop one's head in from analysis room with a distance from farther out, in chimney the temperature ordinary circumstance of flue gas can be more than environment temperature, some be up to 300 degree with
On, and contain certain density flue dust in flue gas, in this case, it is necessary to which flue gas is being higher than 100 degree of temperature condition
Under be sent to flue gas pretreatment unit, otherwise because environment temperature is lower than the temperature of flue gas, flue gas can agglomerate water outlet, water and flue dust
Mixture will form mud can be soluble in water to block the tested gas such as gas pipeline, while SO2, reduces measurement concentration, therefore
Flue gas sampling probe needs itself also to have blowback, anti-blocking function to flue gas heat preservation, dedusting.
Utility model content
The purpose of this utility model is to provide a kind of flue gas sampling probes, to solve mentioned above in the background art add
Heat, dedusting itself will also have the problem of blowback, anti-blocking function.
To achieve the above object, the utility model provides the following technical solutions: a kind of flue gas sampling probe, including shell
Body, the side of the outer housing are fixedly installed with flange, and the side of the flange is fixedly installed with the first inserting tube, and described first visits
Several mica heating sheets are fixedly installed on the other side side wall of tube cavity, the middle part of first inserting tube inner cavity is flexibly connected
There is silica wool layer, the side of first inserting tube passes through the internal screw thread offered and is threaded with the second inserting tube, and described second visits
The middle part fixation of pipe side offers gas inlet, and the inside of the outer housing is equipped with flue, the flue
Inside is fixedly installed with ceramic element, and the side of the flue bottom opens up that there are two blowback port arranged side by side, the cigarettes
The other side of the other side and bottom at the top of feed channel is respectively connected with compressed air hose, the other side of two compressed air hoses
It is fixedly installed with heat tracing pipe, heating tape is fixedly connected between two heat tracing pipes, one end of the flue is fixed
NTC temperature sensor is installed.
As a kind of optimal technical scheme of the utility model, the inside of second inserting tube is fixedly installed with several simultaneously
The particle screen of column.
As a kind of optimal technical scheme of the utility model, fixation offers several pressures on the side wall of the outer housing
Contracting gas inlet hole.
As a kind of optimal technical scheme of the utility model, the NTC temperature sensor and external power supply are electrically connected.
As a kind of optimal technical scheme of the utility model, the mica heating sheet passes through corresponding open with heating tape
It closes and is electrically connected with external power supply.
Compared with prior art, the utility model has the beneficial effects that can effectively be hindered by the particle screen being equipped with
The particle in air is blocked, the inside that particle enters sampling probe is avoided, it is convenient by the silica wool layer and internal screw thread being equipped with
Disassembly and the second inserting tube of replacement and silica wool layer, while silica wool layer can effectively adsorb the fine particle in flue gas, lead to
Cross equipped with mica heating sheet, heated in the first inserting tube, avoid moisture in flue gas from condensing and the first inserting tube is caused to include
There is moisture, causes testing result inaccurate, data are unreliable.
Detailed description of the invention
Fig. 1 is the utility model positive structure schematic；
Fig. 2 is the utility model outer housing schematic internal view.
In figure: 1, outer housing；2, flange；3, the first inserting tube；4, mica heating sheet；5, internal screw thread；6, silica wool layer；7,
Two inserting tubes；8, particle screen；9, gas inlet；10, flue；11, ceramic element；12, heat tracing pipe；13, heating tape；14,
Blowback port；15, NTC temperature sensor；16, compressed air hose.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiment of description is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of flue gas sampling probe, including outer housing 1, the outer housing 1 referring to FIG. 1-2,
Side be fixedly installed with flange 2, the side of the flange 2 is fixedly installed with the first inserting tube 3,3 inner cavity of the first inserting tube
It is fixedly installed with several mica heating sheets 4 on the side wall of the other side, is connected with quartz in the middle part of 3 inner cavity of the first inserting tube
Cotton layer 6, the side of first inserting tube 3 pass through the internal screw thread 5 offered and are threaded with the second inserting tube 7, second inserting tube 7
The middle part fixation of side offers gas inlet 9, and the inside of the outer housing 1 is equipped with flue 10, the flue
10 inside is fixedly installed with ceramic element 11, and the side of 10 bottom of flue opens up that there are two blowback ports arranged side by side
14, the other side at 10 top of flue and the other side of bottom are respectively connected with compressed air hose 16, two compressions
The other side of air hose 16 is fixedly installed with heat tracing pipe 12, is fixedly connected with heating tape 13 between two heat tracing pipes 12,
One end of the flue 10 is fixedly installed with NTC temperature sensor 15.
Preferably, the inside of the second inserting tube 7 is fixedly installed with several particle screens 8 arranged side by side, and particle screen 8 can glue
Attached larger-diameter particle dust avoids particle dust in the building up inside of sampling probe at blocking.
Preferably, fixed on the side wall of outer housing 1 to offer several compressed gas and enter hole, facilitate compressed air to enter.
Preferably, NTC temperature sensor 15 and external power supply are electrically connected, and transmit signal convenient for measurement temperature.
When specifically used, outer housing 1 is fixedly mounted on smoke outlet by flange 2, the first inserting tube of 1 side of outer housing
3 are located at the inside of smoke outlet, and one end of the first inserting tube 3 is connected with the second inserting tube 7, when flue gas from the flue gas on the second inserting tube 7 into
Mouth 9 enters the particle screen 8 inside the second inserting tube 7, and larger-diameter particle is attracted on particle screen 8, by level-one mistake
The inside that the flue gas of filter has channel to enter the first inserting tube 3, the silica wool layer 6 in the first inserting tube 3 are filtered into property second adsorption, this
When start switch, mica heating sheet 4 is heated so that 3 internal temperature of the first inserting tube increase, avoid the moisture knot in flue gas
Dew causes testing result inaccurate, and filtered flue gas is entered the inside of outer housing 1, pottery by flue 10 to process twice
Porcelain filter core 11 is filtered again, is carried out denitration desulfurization process, is detected by detection system, at this point, NTC temperature sensor 15
The temperature signal of Real-time Feedback heating, is conducive to control of the detection system to 1 internal temperature of outer housing, outer housing 1 accesses simultaneously
Compressed gas is controlled by outer welding system, can periodically be purged to the inside of outer housing 1, so that being adsorbed on ceramic element 11
On particulate matter cleared up in time, effectively prevent flue 10 block.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of flue gas sampling probe, including outer housing (1), which is characterized in that the side of the outer housing (1) is fixedly installed with
The side of flange (2), the flange (2) is fixedly installed with the first inserting tube (3), the other side side of the first inserting tube (3) inner cavity
It is fixedly installed with several mica heating sheets (4) on wall, silica wool layer is connected in the middle part of the first inserting tube (3) inner cavity
(6), the side of first inserting tube (3) passes through the internal screw thread (5) offered and is threaded with the second inserting tube (7), and described second
The middle part fixation of inserting tube (7) side offers gas inlet (9), and the inside of the outer housing (1) is equipped with flue (10),
The inside of the flue (10) is fixedly installed with ceramic element (11), and the side of flue (10) bottom offers
The other side of two blowback ports (14) arranged side by side, the other side and bottom at the top of the flue (10) is respectively connected with compression
The other side of air hose (16), two compressed air hoses (16) is fixedly installed with heat tracing pipe (12), two heat tracings
It is fixedly connected with heating tape (13) between pipe (12), one end of the flue (10) is fixedly installed with NTC temperature sensor
(15).
2. a kind of flue gas sampling probe according to claim 1, it is characterised in that: the inside of second inserting tube (7) is solid
Dingan County is equipped with several particle screens (8) arranged side by side.
3. a kind of flue gas sampling probe according to claim 1, it is characterised in that: solid on the side wall of the outer housing (1)
Surely several compressed gas are offered and enter hole.
4. a kind of flue gas sampling probe according to claim 1, it is characterised in that: the NTC temperature sensor (15) with
External power supply is electrically connected.
5. a kind of flue gas sampling probe according to claim 1, it is characterised in that: the mica heating sheet (4) and heating
Band (13) is electrically connected by corresponding switch with external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821954554.5U CN209231043U (en) | 2018-11-26 | 2018-11-26 | A kind of flue gas sampling probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821954554.5U CN209231043U (en) | 2018-11-26 | 2018-11-26 | A kind of flue gas sampling probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209231043U true CN209231043U (en) | 2019-08-09 |
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ID=67504682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821954554.5U Active CN209231043U (en) | 2018-11-26 | 2018-11-26 | A kind of flue gas sampling probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209231043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988271A (en) * | 2019-12-27 | 2020-04-10 | 厦门通创检测技术有限公司 | Vehicle-mounted emission detection device |
-
2018
- 2018-11-26 CN CN201821954554.5U patent/CN209231043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988271A (en) * | 2019-12-27 | 2020-04-10 | 厦门通创检测技术有限公司 | Vehicle-mounted emission detection device |
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