CN208076343U - Ultralow extraction-type dust instrument - Google Patents
Ultralow extraction-type dust instrument Download PDFInfo
- Publication number
- CN208076343U CN208076343U CN201820388771.6U CN201820388771U CN208076343U CN 208076343 U CN208076343 U CN 208076343U CN 201820388771 U CN201820388771 U CN 201820388771U CN 208076343 U CN208076343 U CN 208076343U
- Authority
- CN
- China
- Prior art keywords
- light
- ultralow
- extraction
- gas compartment
- type dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 29
- 239000013307 optical fiber Substances 0.000 claims abstract description 16
- 238000000149 argon plasma sintering Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 51
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 39
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 16
- 239000003546 flue gas Substances 0.000 description 16
- 238000012544 monitoring process Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Abstract
The utility model provides a kind of ultralow extraction-type dust instrument, including detector, is located in control chamber room, the detector is connected by the second optical fiber with light scattering receiving unit.The problem of it solves existing extraction-type dust instrument when carrying out ultralow measurement, and detector can not bear hot environment for a long time.Detector is arranged in the control chamber room and will solve above-mentioned technical problem in transmission of stray light to detector by optical fiber by the utility model.
Description
Technical field
The utility model belongs to source of atmospheric pollution detection field more particularly to a kind of ultralow extraction-type dust instrument.
Background technology
There are a large amount of dust in the flue gas of industrial production discharge, needed to industry before industrial smoke is drained into air
Flue gas is monitored, and the instrument of monitoring mostly uses dust instrument.The gas cell structure of existing dust instrument is mostly used with aluminum alloy junction
Structure, principle are that detection light is driven into gas compartment, and the dust in gas compartment in flue gas to be measured generates scattering, inspection to detection light
The data of device detection scattering light are surveyed to obtain the dust concentration in flue gas to be measured.The dust instrument of the especially ultralow monitoring of dust instrument is
The accuracy for ensureing monitoring result needs the interference for excluding the condensed water in flue gas, therefore when flue gas enters gas compartment,
Heat tracing processing is carried out to the conveying of flue gas, the moisture vaporization in heating guarantee flue gas is in addition carried out to gas compartment.And due to existing
Gas compartment in some dust instruments mostly uses aluminium alloy structure, good heat conduction effect, the detector being arranged on gas compartment due to
It is contacted with aluminium alloy, is in the condition of high temperature in real-time monitoring, service life is relatively low.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of it is possible to prevente effectively from inspection
Device is surveyed because of the short ultralow extraction-type dust instrument of high temperature problem service life.
The purpose of this utility model can be realized by following technical proposal：
A kind of ultralow extraction-type dust instrument, including：
Cabinet, the cabinet is interior to have detection chambers and control chamber；
Measuring probe is located at outside cabinet, for obtaining under test gas；
Detection module is located in detection chambers, including gas compartment, is located at gas compartment glazing incidence component, delustring component and
Light scattering receiving unit, the gas compartment are connected to by heat tracing pipe with measuring probe；
Light source is located in control chamber room, for sending out detection light, passes through the first optical fiber between the light source and incident component
Connection；
Detector is located in control chamber room, and the detector is connected by the second optical fiber with light scattering receiving unit.
Preferably, further including heating module, the heating module is located in detection chambers for being heated to detection module.
Preferably, being sticked on the inner wall of the detection chambers has heat-preservation cotton.
Preferably, the incidence component is arranged in one end of gas compartment, the incidence component includes along detection light light path
The level-one diaphragm that direction of advance is set gradually, collimation lens and two level diaphragm.
Preferably, the delustring component is arranged on the other side in gas compartment relative to incident component, the delustring group
Delustring well is provided in part, the delustring well location is in detection light light path.
Preferably, the light scattering component receiving unit includes a fixing piece, the fixing piece is oblique to be fixed on gas
On room, one end of the fixing piece is extend into gas compartment, and the fixed other end stretches out gas compartment and connects with the second optical fiber
It connects, the fixing piece is built-in with path channels so that scattering light of the detection light after dust scatters enters the via path channels
Two optical fiber.
Preferably, being provided with plus lens in the fixing piece.
Preferably, the inner end of the fixing piece is provided with briquetting, the briquetting is for being fixed the plus lens.
Compared with prior art, the utility model has following technological merit：
The utility model by detector be arranged in control chamber room, and by the second optical fiber by detection light in gas compartment because of powder
It is received in the transmission of stray light to detector that dirt scattering generates, the gas compartment of such detector and high temperature is detached from, and is had more
Long service life.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the gas compartment sectional view of the utility model.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, the utility model provides a kind of ultralow extraction-type dust instrument, including：
Cabinet, the cabinet is interior to have detection chambers 2 and control chamber；
Measuring probe 1 is located at outside cabinet, for obtaining under test gas；
Detection module is located in detection chambers 2, including gas compartment 4, is located at 4 glazing incidence component 3 of gas compartment, delustring group
Part 5 and light scattering receiving unit, the gas compartment 4 are connected to by heat tracing pipe with measuring probe 1；
Light source is located in control chamber room, for sending out detection light, passes through the first light between the light source and incident component 3
Fibre 31 connects；
Detector 8 is located in control chamber room, and the detector 8 is connected by the second optical fiber 61 with light scattering receiving unit.
For the utility model when being monitored, measuring probe 1 is extend into will such as flue gas pollution in chimney waiting geodetic point
Source gas is drawn into (below by taking flue gas as an example) in gas compartment 4, and light source sends out detection light, and detection light is transmitted via the first optical fiber 31
Into incident component 3, incident component 3 is driven into after detecting light processing in gas compartment 4, and detection light is shone when across gas compartment 4
When the dust being mapped in flue gas, detection light generates scattering, and scattering light is received and led to by the scattering light-receiving component 6 on gas compartment 4
The second optical fiber 61 is crossed by transmission of stray light to detector 8, detector 8 obtains flue gas to be measured according to scattered light intensity is received
In dust content.Flue gas itself in flue dust has larger moisture, and the aqueous water after condensation liquefaction also can be detection light
Generate scattering, therefore flue gas from measuring probe 1 entrance after carry out heating heat tracing transmission, and gas compartment 4 be also disposed at it is higher
In the detection chambers 2 of temperature, the poor detector 8 of heat resistance is arranged in control chamber room and passes through the second light by the utility model
Fibre 61 will be scattered in the transmission of stray light to detector 8 that light-receiving component 6 receives and is detected, and effectively raise inspection in this way
Survey the service life of device 8.
Further, the gas temperature in gas compartment 4 in order to better improve prevents in gas compartment 4 in flue gas to be measured
Condensate moisture liquefies, and Interference Detection, the utility model further includes heating module 7, and the heating module 7 is located in detection chambers 2
For heating to improve the flue-gas temperature to be measured in gas compartment 4 to detection module.
Further, being sticked on the inner wall of the detection chambers 2 has heat-preservation cotton, and detection chambers 2 are kept by heat-preservation cotton
Interior temperature can keep being in the condition of high temperature in detection chambers 2, reduce heat losses, reduce the energy of heating detection chambers 2
Consumption.
Further, the incident component 3 is arranged in one end of gas compartment 4, and the incidence component 3 includes along detection light light
The level-one diaphragm 32 that road direction of advance is set gradually, collimation lens 33 and two level diaphragm 34.Wherein, level-one diaphragm 32 is to the first light
The detection light that fibre 31 transmits carries out preliminary treatment limitation, so that it is tentatively met the needs of detection, collimation lens 33 is to detection
Light is collimated, and ensures to remain parastate, the detection light after 34 collimation of two level diaphragm after detection light enters gas compartment 4
It is further processed limitation, it is made to fully meet the demand of detection.
Further, the delustring component 5 is arranged on the other side in gas compartment 4 relative to incident component 3, the delustring
Delustring well 55 is provided in component 5, the delustring well 55 is located in detection light light path.
Further, the light scattering component receiving unit includes a fixing piece 62, and the fixing piece 62 is oblique to be fixed on
On gas compartment 4, one end of the fixing piece 62 is extend into gas compartment 4, and the fixed other end stretches out gas compartment 4 and with the
Two optical fiber 61 connect, and the fixing piece 62 is built-in with path channels so that scattering light of the detection light after dust scatters is via light
Paths enter the second optical fiber 61.
Further, it is provided with plus lens 63 in the fixing piece 62.
Further, the inner end of the fixing piece 62 is provided with briquetting 64, and the briquetting 64 is for being fixed the remittance
Poly- lens 63.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of ultralow extraction-type dust instrument, which is characterized in that including：
Cabinet, the cabinet is interior to have detection chambers and control chamber；
Measuring probe is located at outside cabinet, for obtaining under test gas；
Detection module is located in detection chambers, including gas compartment, is located at gas compartment glazing incidence component, and delustring component and light dissipate
Receiving unit is penetrated, the gas compartment is connected to by heat tracing pipe with measuring probe；
Light source is located in control chamber room, for sending out detection light, is connected by the first optical fiber between the light source and incident component
It connects；
Detector is located in control chamber room, and the detector is connected by the second optical fiber with light scattering receiving unit.
2. ultralow extraction-type dust instrument according to claim 1, which is characterized in that further include heating module, the heating
Module is located in detection chambers for being heated to detection module.
3. ultralow extraction-type dust instrument according to claim 1, which is characterized in that be sticked on the inner wall of the detection chambers
There is heat-preservation cotton.
4. ultralow extraction-type dust instrument according to claim 1, which is characterized in that the incidence component is arranged in gas compartment
One end, it is described incidence component include the level-one diaphragm set gradually along detection light light path direction of advance, collimation lens and two level
Diaphragm.
5. ultralow extraction-type dust instrument according to claim 4, which is characterized in that the delustring component is arranged in gas compartment
On the other side relative to incident component, delustring well is provided in the delustring component, the delustring well location is in detection light light path
On.
6. ultralow extraction-type dust instrument according to claim 1, which is characterized in that the light scattering receiving unit includes one
Fixing piece, the fixing piece is oblique to be fixed on gas compartment, and one end of the fixing piece is extend into gas compartment, described fixed
The other end stretches out gas compartment and is connect with the second optical fiber, and the fixing piece is built-in with path channels so that detection light is dissipated by dust
Scattering light after penetrating enters the second optical fiber via path channels.
7. ultralow extraction-type dust instrument according to claim 6, which is characterized in that it is saturating to be provided with convergence in the fixing piece
Mirror.
8. ultralow extraction-type dust instrument according to claim 7, which is characterized in that the inner end of the fixing piece is provided with pressure
Block, the briquetting is for being fixed the plus lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388771.6U CN208076343U (en) | 2018-03-21 | 2018-03-21 | Ultralow extraction-type dust instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388771.6U CN208076343U (en) | 2018-03-21 | 2018-03-21 | Ultralow extraction-type dust instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208076343U true CN208076343U (en) | 2018-11-09 |
Family
ID=64047492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820388771.6U Expired - Fee Related CN208076343U (en) | 2018-03-21 | 2018-03-21 | Ultralow extraction-type dust instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208076343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474097A (en) * | 2020-06-02 | 2020-07-31 | 杭州绰美科技有限公司 | Extraction type ultralow-concentration dust detection device and method |
-
2018
- 2018-03-21 CN CN201820388771.6U patent/CN208076343U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474097A (en) * | 2020-06-02 | 2020-07-31 | 杭州绰美科技有限公司 | Extraction type ultralow-concentration dust detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201955289U (en) | Laser scattering dust measuring instrument | |
| CN209327165U (en) | A kind of low concentration emission measurement device | |
| CN106323826B (en) | Ultralow emission smoke monitoring device and monitoring method | |
| CN102749286B (en) | Novel portable gas normal position monitor of flue gas and pipeline gas | |
| CN206573444U (en) | Based on optical unpowered dust detecting system and device | |
| CN208076343U (en) | Ultralow extraction-type dust instrument | |
| CN103364372A (en) | Smoke detector | |
| CN111965144A (en) | Method and equipment for detecting concentration of particulate matters in vehicle-mounted exhaust | |
| CN201917508U (en) | Scattering dust measurement instrument | |
| CN204374064U (en) | A kind of two-way self-cleaning fiber gas sensor sensing head | |
| CN206906244U (en) | Coal pulverizer gas analyzer based near infrared spectrum | |
| CN105527203A (en) | Smoke dust concentration direct-reading monitoring system and method | |
| CN206818610U (en) | A kind of EISD | |
| CN201716252U (en) | LED dust detection transmitter | |
| CN204346907U (en) | A kind of self calibration air chamber and fiber gas sensor detection system | |
| CN207798677U (en) | A kind of automatic fume tester | |
| CN205826461U (en) | A kind of novel for ultralow flue dust optical detection apparatus | |
| CN106644867B (en) | Device and method for detecting particulate matters in gas | |
| CN107764771B (en) | Visual imaging detection device of water microorganism | |
| CN201607405U (en) | Space dust concentration sensor | |
| CN104458588B (en) | Bidirectional self-cleaning type optical fiber gas sensor probe | |
| CN104089930B (en) | Formula Smoke Monitoring System is scattered after a kind of laser | |
| US8531653B2 (en) | Apparatus for the analysis of a fluid | |
| CN212904633U (en) | Smoke humidity detector under medium-high temperature environment | |
| CN214794342U (en) | Sensor probe and sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |