CN208833632U - Increase the device to threading method dust instrument measurement light path - Google Patents
Increase the device to threading method dust instrument measurement light path Download PDFInfo
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- CN208833632U CN208833632U CN201821459497.3U CN201821459497U CN208833632U CN 208833632 U CN208833632 U CN 208833632U CN 201821459497 U CN201821459497 U CN 201821459497U CN 208833632 U CN208833632 U CN 208833632U
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- incident
- mounting flange
- light path
- chamber
- reflection cavity
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Abstract
The utility model discloses a kind of devices increased to threading method dust instrument measurement light path, it includes upper flue mounting flange etc., maintenance door is between upper flue mounting flange and lower flue mounting flange, reflection cavity window glass and reflection cavity are fixed and are located at the side of maintenance door, incident chamber window glass and incident chamber are fixed and are located at the other side of maintenance door, first reflecting optics and the second reflecting optics are all located in reflection cavity, incident eyeglass is located at side that is incident intracavitary and being located at incident chamber window glass, the upper and lower ends of emitting head mounting flange and reception head mounting flange respectively with incident chamber are fixed.The utility model can improve the sensitivity of measurement by increasing light path, make the measurement of dust instrument more accurate.
Description
Technical field
The utility model relates to a kind of devices increased to threading method dust instrument measurement light path.
Background technique
With the continuous development of science and technology, particulate matter measuring technique has obtained biggish development, is applied at present solid
Surely pollution source smoke discharge flue gas particles on-line monitoring major way have optical transmission method, optical scattering method, optical flare method,
Contact charge method etc. and removable β ray method, scattering method etc..
So it is a variety of measurement dust particle concentration dust instruments in, optical transmission method have it is easy to use, maintenance at
The advantages that this is low, the dust precision of measurement high concentration is high is that flue gas on-line monitoring dust concentration has the type first considered.
Although optical transmission method has many advantages, such as the optics that measurement range is wide, speed is fast, accuracy and precision are high, traditional
The method of transmission measurement particulate matter is the scattering of one way light, double light paths and directly absorbs etc., and in actual use, is had
The flue size of a little occasions is smaller, and the operating distance of light and sample is shorter, causes measurement sensitivity lower.However, flue dust is dense
Degree is trace, so the dust concentration in the flue of the unsuitable measurement small size of the monochromatic light journey detection means of small size, but according to
Lambert-beer law, transmitted light intensity are positively correlated with effective light path, and it is sensitive most directly, most simple, most bright to improve detection
Aobvious method is exactly to increase effective light path, and the present invention is exactly to increase measurement light path according to the multiple reflections of light.
Utility model content
The technical problem to be solved by the utility model is to provide it is a kind of increase to threading method dust instrument measurement light path device,
It can improve the sensitivity of measurement by increasing light path, make the measurement of dust instrument more accurate.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of to increase to threading method dust instrument
Measure the device of light path, which is characterized in that it includes upper flue mounting flange, maintenance door, reflection cavity window glass, incident chamber window
Mouth glass, the second reflecting optics, incident eyeglass, emitting head mounting flange, receives head mounting flange, reflection at the first reflecting optics
Chamber, incident chamber, lower flue mounting flange, maintenance door is between upper flue mounting flange and lower flue mounting flange, reflection cavity
The side of maintenance door is fixed and are located to window glass and reflection cavity, and incident chamber window glass and incident chamber are fixed and be located at maintenance door
The other side, the first reflecting optics and the second reflecting optics are all located in reflection cavity, and incident eyeglass is located at incident intracavitary and is located at
The side of incident chamber window glass, emitting head mounting flange and reception head mounting flange are solid with the upper and lower ends of incident chamber respectively
It is fixed.
Preferably, the upper flue mounting flange and lower flue mounting flange are all provided with installation screw.
Preferably, the reflection cavity is semi-enclosed chamber.
Preferably, the reflection cavity window glass and incident chamber glass are all fluorination barium glass.
Preferably, the incident eyeglass is concave mirror and surface gold-plating.
Preferably, second reflecting optics and the first reflecting optics are all concave mirror and surface gold-plating.
Preferably, the incident chamber is semi-enclosed chamber.
The positive effect of the utility model is: the utility model can increase measurement according to the multiple reflections of light
Light path improves the sensitivity of measurement by increasing light path, makes the measurement of dust instrument more accurate, can be by the application of dust instrument
Occasion expands under the flue environment of small size, while can increase the measurement accuracy of dust, increases dust resolution ratio.
Detailed description of the invention
Fig. 1 is the structure chart 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, it includes upper flue mounting flange that the utility model, which increases to the device of threading method dust instrument measurement light path,
1, maintenance door 2, reflection cavity window glass 3, incident chamber window glass 4, the first reflecting optics 5, the second reflecting optics 6, incident mirror
Piece 7, emitting head mounting flange 8 receive head mounting flange 9, reflection cavity 10, incident chamber 11, lower flue mounting flange 12, maintenance door
2 between upper flue mounting flange 1 and lower flue mounting flange 12, and reflection cavity window glass 3 is fixed with reflection cavity 10 and position
In the side of maintenance door 2, incident chamber window glass 4 is fixed with incident chamber 11 and is located at the other side of maintenance door 2, the first reflecting mirror
Piece 5 and the second reflecting optics 6 are all located in reflection cavity 10, and incident eyeglass 7 is located in incident chamber 11 and is located at incident chamber window glass
The side of glass 4, the upper and lower ends of emitting head mounting flange 8 and reception head mounting flange 9 respectively with incident chamber 11 are fixed.
Upper flue mounting flange 1 and lower flue mounting flange 12 are all provided with installation screw, are easily installed equipment in this way.Upper cigarette
Road mounting flange, lower flue mounting flange can allow the flue gas can to pass through whole device due to being connected and fixed with flue.
Maintenance door 2 is fixed on device by hinge, in this way can be by maintenance door when needing to clear up window glass
It opens, uses dust-free paper cleaning reflection cavity window glass and incident chamber window glass.
Reflection cavity window glass 3 and incident chamber glass 4 are all fluorination barium glass, because barium fluoride has outstanding transmission
Property and scintillation properties, can so make the light issued from emitting head pass through incident chamber window glass 4 and enter
Flue, then pass through reflection cavity window glass 3 from flue and reach reflecting optics.
Incident eyeglass 7 is concave mirror and surface gold-plating, and there are two notch, the angles of notch to be 45 ° and plate for both ends design
Gold can accomplish the reflection of light in this way, realize that incident light issues the reception with reflected light.
Second reflecting optics 6 and the first reflecting optics 5 are also all concave mirror and surface gold-plating, the second reflecting optics 6 and the
There are certain distances between one reflecting optics 5, and are fixed during installation using baffle, and by controllable register, light may be implemented
The adjusting of Cheng Changdu can allow the second reflecting optics 6 and the first reflecting optics 5 to cooperate with incident eyeglass 7 in this way and realize to light
Multiple reflections.
Emitting head mounting flange 8 and the material for receiving head mounting flange 9 are all 304 type stainless steels, are easily installed powder in this way
The emitting head and reception head of dirt instrument.
Incident chamber 11 is semi-enclosed chamber, is fixed in this way convenient for incident eyeglass incident intracavitary.
Reflection cavity 10 and semi-enclosed chamber are fixed in reflection cavity convenient for the first reflecting optics, the second reflecting optics.
The working principle of the utility model is as follows: the main body of device is the cylinder of a stainless steel, upper flue mounting flange
It is all welded on lower flue mounting flange in the main body of device, upper flue mounting flange and lower flue mounting flange is used for and flue
Be connected and fixed, and flue gas can be allowed installation screw can be provided with above flange, for installing equipment by whole device.
Emitting head mounting flange is used to install the emitting head of dust instrument, receives the reception head that head mounting flange is used to install dust instrument.Light
After the incidence of one end of incident chamber, then by incident eyeglass, the second reflecting optics and the first reflecting optics multiple reflections, reflected light warp
The other end for crossing incident chamber projects, and has been achieved the purpose that increase light path in this way according to the multiple reflections of light, by increase light path come
The sensitivity for improving measurement, makes the measurement of dust instrument more accurate, the application of dust instrument can be expanded to small size
Under flue environment, while the measurement accuracy of dust can be increased, increase dust resolution ratio.Upper flue mounting flange and lower flue are solid
Determine flange for and flue be connected and fixed, make the main body stronger.Maintenance door can open and checking device internal structure, just
In repair apparatus.Reflection cavity window glass and incident chamber glass can absorb and reflection light, can so make from
The light that emitting head issues passes through incident chamber window glass and enters flue, then passes through reflection cavity window glass from flue and reach
Reflecting optics.There are certain distances between second reflecting optics and the first reflecting optics, and are fixed during installation using baffle,
By controllable register, the adjusting of optical path length may be implemented, can allow the second reflecting optics, the first reflecting optics and incident mirror in this way
The multiple reflections to light are realized in piece mutual cooperation.First reflecting optics can allow light emission to enter, and facilitate the operation of device.Emitting head peace
Dress flange and reception head mounting flange are capable of fixing incident chamber, make device stronger in this way.Reflection cavity and incident chamber can divide
Other fixation reflex eyeglass and incident eyeglass, are avoided that light incidence and reflection angle deviation.
In conclusion the utility model can increase measurement light path according to the multiple reflections of light, by increase light path come
The sensitivity for improving measurement, makes the measurement of dust instrument more accurate, the application of dust instrument can be expanded to small size
Under flue environment, while the measurement accuracy of dust can be increased, increase dust resolution ratio.
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 (7)
1. a kind of device increased to threading method dust instrument measurement light path, which is characterized in that it includes upper flue mounting flange, maintenance
Door, reflection cavity window glass, incident chamber window glass, the first reflecting optics, the second reflecting optics, incident eyeglass, emitting head peace
Fill flange, receive head mounting flange, reflection cavity, incident chamber, lower flue mounting flange, maintenance door be located at upper flue mounting flange with
Between lower flue mounting flange, reflection cavity window glass and reflection cavity are fixed and are located at the side of maintenance door, incident chamber window glass
Glass and incident chamber are fixed and are located at the other side of maintenance door, and the first reflecting optics and the second reflecting optics are all located in reflection cavity,
Incident eyeglass is positioned at side that is incident intracavitary and being located at incidence chamber window glass, emitting head mounting flange and reception head mounting flange
The upper and lower ends with incident chamber are fixed respectively.
2. the device as described in claim 1 increased to threading method dust instrument measurement light path, which is characterized in that the upper flue is solid
Determine flange and lower flue mounting flange is all provided with installation screw.
3. the device increased to threading method dust instrument measurement light path as described in claim 1, which is characterized in that the reflection cavity is
Semi-enclosed chamber.
4. the device as described in claim 1 increased to threading method dust instrument measurement light path, which is characterized in that the reflection cavity window
Mouth glass and incident chamber glass are all fluorination barium glass.
5. the device as described in claim 1 increased to threading method dust instrument measurement light path, which is characterized in that the incidence eyeglass
For concave mirror and surface gold-plating.
6. the device as described in claim 1 increased to threading method dust instrument measurement light path, which is characterized in that second reflection
Eyeglass and the first reflecting optics are all concave mirror and surface gold-plating.
7. the device increased to threading method dust instrument measurement light path as described in claim 1, which is characterized in that the incidence chamber is
Semi-enclosed chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821459497.3U CN208833632U (en) | 2018-09-04 | 2018-09-04 | Increase the device to threading method dust instrument measurement light path |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821459497.3U CN208833632U (en) | 2018-09-04 | 2018-09-04 | Increase the device to threading method dust instrument measurement light path |
Publications (1)
Publication Number | Publication Date |
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CN208833632U true CN208833632U (en) | 2019-05-07 |
Family
ID=66312333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821459497.3U Active CN208833632U (en) | 2018-09-04 | 2018-09-04 | Increase the device to threading method dust instrument measurement light path |
Country Status (1)
Country | Link |
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CN (1) | CN208833632U (en) |
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2018
- 2018-09-04 CN CN201821459497.3U patent/CN208833632U/en active Active
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