CN206038376U - Smoke and dust detector sampling sealing device - Google Patents
Smoke and dust detector sampling sealing device Download PDFInfo
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- CN206038376U CN206038376U CN201620901054.XU CN201620901054U CN206038376U CN 206038376 U CN206038376 U CN 206038376U CN 201620901054 U CN201620901054 U CN 201620901054U CN 206038376 U CN206038376 U CN 206038376U
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- mounting disc
- installing pipe
- hole
- flue
- installing
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Abstract
The utility model discloses a smoke and dust detector sampling sealing device, it includes the circular shape mounting disc, and the central point department of putting of mounting disc has seted up the mounting hole, is provided with the installation pipe that the rifle that is used for sampling passes through in the mounting hole, and the external diameter of installation pipe is less than the diameter that the inspection hole was reserved to the flue, and the installation bore of pipe is greater than the external diameter of the rifle of sampling, the front end of installation pipe passes the preceding terminal surface of mounting disc, and the rear end face of mounting disc is passed to the rear end of installation pipe, surrounding wherein axis range in the mounting disc and being provided with a plurality of bolt holes, the position of bolt hole is corresponding with the fixed orifices that flue reservation inspection hole belonged to the ring flange, the fixed annular boss that is provided with is located to the side that lies in outer installation pipe place in the mounting disc. The utility model is used for when cigarette dust content was measured to the smoke and dust measuring apparatu, flue reservation inspection hole outside air caused the local turbulent flow of flue gas in injecting the flue in the time of can preventing to sample, improves measured data's accuracy.
Description
Technical field
The utility model belongs to exhaust gas dust Concentration Testing field, more particularly to a kind of encapsulation of smoke detector oversampling
Put.
Background technology
Quick, lasting, sane development track has been stepped in Chinese national economy operation, however, with thermal power generation position
The power industry of representative, the building material industry with cement as representative, the metallurgical industry with steel plant as representative and chemical engineering industry
Fast-developing and pollution that the volume of smoke, waste gas that produce are to air, it is incompatible with the living standard that its people increasingly improve.
Now environmental requirement it is increasingly strict, accelerate the development of dedusting industry.Electric cleaner and sack cleaner are being controlled
Reason air point produces pollution, improve atmospheric environment in terms of perform meritorious deeds never to be obliterated.Especially electric cleaner can purify a large amount of high-temperature dust-containing flue gas, remove
Dirt efficiency high, resistance are little, and energy consumption is low, and maintenance workload is little, are the capable weapons for administering atmospheric dust pollution.It is domestic at present electric
Deduster concentration of emission has reached the standard of 30mg/m3, and some areas have currently reached the standard of 10mg/m3, just towards ultralow row
Put, the standard effort of near-zero release.
With the appearance as the emerging rapidly in large numbersBamboo shoots after a spring rain of domestic power plant's minimum discharge transformation project, the environmental protection tests of minimum discharge
（The indexs such as SO2, NOX, particulate matter）Also become more and more important, mainly have flue gas online measuring technique and spot sampling detection skill
Art, and spot sampling detection is the main method of minimum discharge transformation project environmental protection inspection and acceptance, the reserved detection hole of flue is generally method
Flange aperture.
Existing spot sampling detection technique typically all ignores the impact brought to flue gas inspection of leaking out, and does not seal
Measure, during sampling, the reserved detection hole extraneous air of flue is poured in flue, disturbs flue gas sampling.
Utility model content
The utility model is in order to solve the problems of the prior art, there is provided a kind of to make simple, easy to use, sealing effectiveness
Good smoke detector sampling sealing device, when which is used for emission measurement instrument measurement dust concentration, is prevented from flue during sampling
Reserved detection hole extraneous air causes flue gas local turbulent in pouring into flue, improves the accuracy of measurement data.
For solving above-mentioned technical problem, the utility model is adopted the following technical scheme that：A kind of smoke detector sampling sealing
Device, it includes the mounting disc of circle, and the center position of mounting disc offers installing hole, is provided with for sampling in installing hole
The installing pipe that rifle passes through, the inner wall sealing of the outer wall of installing pipe and the installing hole and is fixedly connected, and the external diameter of installing pipe is less than
Flue reserves the diameter in detection hole, and the internal diameter of installing pipe is more than the external diameter of sampling gun；The axis of installing pipe, the axis of installing hole
Line is coincided with the axis of mounting disc；Front end face of the front end of installing pipe through mounting disc, the rear end of installing pipe is through peace
The rear end face of sabot, the body portion of installing pipe front end protrusion mounting disc front end face are referred to as the first outer installing pipe, after installing pipe
The body portion of end protrusion mounting disc rear end face is referred to as the second outer installing pipe, and the length of the first outer installing pipe is outer less than second to pacify
The length of tubulature, the length of the second outer installing pipe reserve the length in detection hole less than flue；Arrange around its axis in mounting disc
Row are provided with multiple bolts hole, and position and the flue of bolt hole are reserved and detect that the fixing hole of hole place ring flange is corresponding.
The mounting disc rear end face is fixedly installed annular boss, annular boss be located at the bolt hole and installing hole it
Between.
The axis of the annular boss is overlapped with the axis of mounting disc.
A diameter of 220 millimeters of the mounting disc, the length of installing pipe is 150 millimeters, and the interior diameter of installing pipe is 39 millis
Rice, the overall diameter of installing pipe is 45 millimeters, and the length of the first outer installing pipe is 10 millimeters.
The beneficial effects of the utility model are：
When the utility model is used in spot sampling detection, detect the second of installing pipe the outer installing pipe insertion flue reserved
In hole, mounting disc is fastened by bolts with the reserved detection hole place ring flange of flue, and sampling gun is inserted in flue through installing pipe,
Then the gap between sampling gun and installing pipe is sealed with raw material band, reach sealing effectiveness.Contribute to reducing air-flow pair after sealing
The disturbance of sampling gun thief hatch flue gas, will not dilute the concentration of pollutant in flue gas so that testing result is more accurate.
This device makes simple, easy to use, good sealing effect, when which is used for emission measurement instrument measurement dust concentration, energy
When enough preventing sampling, the reserved detection hole extraneous air of flue causes flue gas local turbulent in pouring into flue, improves the standard of measurement data
Really property, can also select various sizes of mounting disc and installing pipe according to actual conditions.
Front end face of the front end of installing pipe through mounting disc, the rear end of installing pipe pass through the rear end face of mounting disc, installing pipe
The body portion of front end protrusion mounting disc front end face is referred to as the first outer installing pipe, and sampling is easy in the setting of the first outer installing pipe
Raw material band winding sealing is carried out between rifle and the first outer installing pipe.Mounting disc realizes the water to sampling gun with the cooperation of installing pipe
It is flat to support, it is ensured that sampling gun horizontal positioned, make testing result more accurate.
Mounting disc rear end face is fixedly installed annular boss, and annular boss is located between the bolt hole and installing hole, peace
During dress, annular boss is located between mounting disc and the reserved detection hole place ring flange of flue, to mounting disc and the reserved detection hole of flue
Fastening gap is reserved between the ring flange of place, realizes that mounting disc and flue reserve the fastening between detection hole place ring flange, and
The end face top pressure flue of annular boss reserved detection hole place ring flange during installation, realizes mounting disc and the reserved detection hole of flue
Sealing effectiveness between the ring flange of place.And, between the reserved detection hole place ring flange of end face and flue of annular boss also
Rubber sheet gasket can be set, it is ensured that mounting disc and flue reserve the excellent sealing effect between detection hole place ring flange.The ring
The axis of shape boss is overlapped with the axis of mounting disc, is easy to the arrangement of annular boss to process.
The diameter of the mounting disc is preferably 220 millimeters, and the length of installing pipe is preferably 150 millimeters, installing pipe it is interior straight
Footpath is preferably 39 millimeters, and the overall diameter of installing pipe is preferably 45 millimeters, and the length of the first outer installing pipe is preferably 10 millimeters, above-mentioned
Size arranges the reserved detection hole of the flue that can adapt under most of environment.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A A generalized sections in Fig. 1；
Fig. 3 is working state schematic representation of the present utility model.
Specific embodiment
Specific embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of smoke detector sampling sealing device of the present utility model, it includes the peace of circle
Sabot 1, the center position of mounting disc 1 offer installing hole 3, are provided with the installing pipe passed through for sampling gun in installing hole 3
2, the inner wall sealing of the outer wall of installing pipe 2 and the installing hole 3 and it is fixedly connected, the external diameter of installing pipe 2 is less than the reserved inspection of flue
The diameter of gaging hole 6, the internal diameter of installing pipe 2 are more than the external diameter of sampling gun；The axis of installing pipe 2, installing hole 3 axis with
The axis of mounting disc 1 coincides；Front end face of the front end of installing pipe 2 through mounting disc 1, the rear end of installing pipe 2 is through installation
The rear end face of disk 1, the body portion of 2 front end of installing pipe protrusion 1 front end face of mounting disc are referred to as the first outer installing pipe 21, installing pipe
The body portion of 2 rear ends protrusion 1 rear end face of mounting disc is referred to as the second outer installing pipe 22, and the length of the first outer installing pipe 21 is less than
The length of the second outer installing pipe 22, the length of the second outer installing pipe 22 reserve the length in detection hole 6 less than flue；In mounting disc 1
Multiple bolts hole 4 are disposed with around its axis, position and the flue of bolt hole 4 reserve detection 6 place ring flange 7 of hole
Fixing hole 8 is corresponding.
1 rear end face of mounting disc is fixedly installed annular boss 5, the axis of annular boss 5 and the axis weight of mounting disc 1
Close, annular boss 5 is located between the bolt hole 4 and installing hole 3.During installation, annular boss 5 is located at mounting disc 1 and flue is reserved
Between detection 6 place ring flange 7 of hole, fastening gap is reserved between mounting disc 1 and the reserved detection 6 place ring flange 7 of hole of flue,
Realize mounting disc 1 and flue reserve detection 6 place ring flange 7 of hole between fastening, and install when annular boss 5 end face top pressure
The reserved detection 6 place ring flange 7 of hole of flue, realizes mounting disc 1 and flue is reserved and detects close between 6 place ring flange 7 of hole
Envelope effect.And, between the reserved detection 6 place ring flange 7 of hole of end face and flue of annular boss 5, rubber sheet gasket can be also set,
Ensure that mounting disc 1 and flue reserve the excellent sealing effect between detection 6 place ring flange 7 of hole.
The diameter D1 of mounting disc in the present embodiment is 220 millimeters, and length L of installing pipe is 150 millimeters, installing pipe it is interior straight
Footpath D3 is 39 millimeters, and the overall diameter D2 of installing pipe is 45 millimeters, and length H of the first outer installing pipe 21 is 10 millimeters, and the size sets
Put the reserved detection hole 6 of the flue that can adapt under most of environment.The utility model can also select different chis according to actual conditions
Very little mounting disc 1 and installing pipe 2.
When the utility model is used in spot sampling detection, the second outer installing pipe 22 is inserted in the reserved detection hole 6 of flue,
Mounting disc 1 is fastened by bolts with the reserved detection 6 place ring flange 7 of hole of flue, and sampling gun is inserted in flue through installing pipe 2,
Then the gap between sampling gun and the first outer installing pipe 21 is sealed with raw material band, reach sealing effectiveness.Contribute to subtracting after sealing
Few disturbance of the air-flow to sampling gun thief hatch flue gas, will not dilute the concentration of pollutant in flue gas so that testing result is more accurate.
Typically all ignore the impact brought to flue gas inspection of leaking out, this device compared to existing spot sampling detection technique
Make simple, easy to use, good sealing effect, when which is used for emission measurement instrument measurement dust concentration, is prevented from cigarette during sampling
The reserved detection hole extraneous air in road causes flue gas local turbulent in pouring into flue, improves the accuracy of measurement data.
Above example is only to illustrative and not limiting the technical solution of the utility model, although reference above-described embodiment pair
The utility model has been described in detail, it will be understood by those within the art that：Still the utility model can be entered
Row modification or equivalent, without deviating from any modification or partial replacement of spirit and scope of the present utility model, which all should
Cover in the middle of right of the present utility model.
Claims (4)
1. a kind of smoke detector is sampled sealing device, it is characterised in that：It includes the mounting disc of circle, the centre bit of mounting disc
The place of putting offers installing hole, is provided with the installing pipe passed through for sampling gun, the outer wall of installing pipe and the installation in installing hole
The inner wall sealing in hole and it is fixedly connected, the external diameter of installing pipe reserves the diameter in detection hole less than flue, the internal diameter of installing pipe is more than
The external diameter of sampling gun；The axis of installing pipe, the axis of installing hole are coincided with the axis of mounting disc；Before installing pipe
The front end face through mounting disc, the rear end of installing pipe is held to pass through the rear end face of mounting disc, installing pipe front end protrusion mounting disc front end
The body portion in face is referred to as the first outer installing pipe, and the body portion of installing pipe rear end protrusion mounting disc rear end face is referred to as second
Outer installing pipe, the length of the first outer installing pipe are less than the length of the second outer installing pipe, and the length of the second outer installing pipe is less than flue
The length in reserved detection hole；Multiple bolts hole, the position of bolt hole and flue are disposed with around its axis in mounting disc
The fixing hole of reserved detection hole place ring flange is corresponding.
2. smoke detector according to claim 1 is sampled sealing device, it is characterised in that：The mounting disc rear end face is solid
Surely annular boss is provided with, annular boss is located between the bolt hole and installing hole.
3. smoke detector according to claim 2 is sampled sealing device, it is characterised in that：The axis of the annular boss
Line is overlapped with the axis of mounting disc.
4. according to any one of claim 1-3 smoke detector sampling sealing device, it is characterised in that：The mounting disc
A diameter of 220 millimeters, the length of installing pipe is 150 millimeters, and the interior diameter of installing pipe is 39 millimeters, and the overall diameter of installing pipe is
45 millimeters, the length of the first outer installing pipe is 10 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620901054.XU CN206038376U (en) | 2016-08-19 | 2016-08-19 | Smoke and dust detector sampling sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620901054.XU CN206038376U (en) | 2016-08-19 | 2016-08-19 | Smoke and dust detector sampling sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038376U true CN206038376U (en) | 2017-03-22 |
Family
ID=58306976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620901054.XU Active CN206038376U (en) | 2016-08-19 | 2016-08-19 | Smoke and dust detector sampling sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696333A (en) * | 2018-04-28 | 2019-04-30 | 中电华创电力技术研究有限公司 | A kind of built-in flue gas sampling device suitable for SCR denitration system |
-
2016
- 2016-08-19 CN CN201620901054.XU patent/CN206038376U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696333A (en) * | 2018-04-28 | 2019-04-30 | 中电华创电力技术研究有限公司 | A kind of built-in flue gas sampling device suitable for SCR denitration system |
| CN109696333B (en) * | 2018-04-28 | 2024-03-19 | 中电华创电力技术研究有限公司 | Built-in flue gas sampling device suitable for SCR denitration system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |