CN207992000U - A kind of wet flue gas low concentration dust on-line measurement device - Google Patents
A kind of wet flue gas low concentration dust on-line measurement device Download PDFInfo
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- CN207992000U CN207992000U CN201820382155.XU CN201820382155U CN207992000U CN 207992000 U CN207992000 U CN 207992000U CN 201820382155 U CN201820382155 U CN 201820382155U CN 207992000 U CN207992000 U CN 207992000U
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Abstract
The utility model discloses a kind of wet flue gas low concentration dust on-line measurement devices, including the ventilation duct that vertical section is T-type, the ventilation duct is internally provided with the first vent passages that vertical section is T-type, it is connected with the filter screen being vertically arranged at first vent passages top inner wall center, filter screen is arranged right below bottom plate, the top of bottom plate is equipped with groove, pressure sensor is fixed in groove, the top exterior walls of bottom plate and the bottom outer wall of bottom plate abut, it is fixed with movable plate on the outer wall that bottom plate is vertically arranged, electric pushrod is installed between movable plate and ventilation duct, top one end of movable plate is fixed with baffle, the top other end of movable plate is fixed with the rack being vertically arranged, the side of rack is engaged with gear, the middle part of gear, which is run through, rotating bar, rotating bar runs through ventilation duct.The utility model is simple in structure, easy to use, convenient for the cleaning of dust inside device, extends service using life, applied widely, meets people's use demand.
Description
Technical field
The utility model is related to dust detection technique fields more particularly to a kind of wet flue gas low concentration dust on-line measurement to fill
It sets.
Background technology
PM2.5 refers to the particulate matter that diameter is less than or equal to 2.5 microns in air, also referred to as dust.Although dust is
The seldom component part of content in earth atmosphere ingredient, but it has a major impact air quality and visibility etc..With it is thicker
Atmospheric particulates are compared, and fine particle grain size is small, rich in a large amount of poisonous and harmful substances and residence time in an atmosphere it is long,
Fed distance is remote, thus to the influence bigger of health and atmosphere quality.
Currently, detection of the PM2.5 dust particles detection devices commonly used in dust content in wet flue gas, but device volume
Larger, complicated, structure is single, and after prolonged use, internal dust is not easily cleaned device, and influencing the normal of device makes
With.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of wet flue gas proposed is low dense
Spend dust on-line measurement device.
To achieve the goals above, the utility model uses following technical solution：
A kind of wet flue gas low concentration dust on-line measurement device, including vertical section are the ventilation duct of T-type, the ventilation duct
The first vent passages that vertical section is T-type are internally provided with, is connected at the first vent passages top inner wall center and sets vertically
The filter screen set, filter screen are arranged right below bottom plate, and the top of bottom plate is equipped with groove, pressure sensor is fixed in groove,
The top exterior walls of bottom plate and the bottom outer wall of bottom plate abut, and are fixed with movable plate on the outer wall that bottom plate is vertically arranged, movable plate and
Electric pushrod is installed, top one end of movable plate is fixed with baffle, and the top other end of movable plate is fixed between ventilation duct
The side of the rack being vertically arranged, rack is engaged with gear, and the middle part of gear, which is run through, rotating bar, and rotating bar runs through ventilation duct,
The outer wall of rotating bar is fixedly arranged in the middle of fan installation frame, and fan installation frame is rotationally connected with inside the first vent passages.
Preferably, the internal diameter of the second vent passages that the side wall of the baffle is equipped with, the second vent passages is more than ventilation
The internal diameter of pipe, the baffle side walls close to each other with ventilation duct are connect.
Preferably, the quantity of the filter screen is three, and the distance between three filter screens and fan installation frame subtract successively
Small, the diameter of filter hole is sequentially reduced on three filter screens.
Preferably, wind turbine is installed, one end side wall of rotating bar is equipped with connecting line installation and leads on the fan installation frame
The one end in road, wind turbine is connected with the first connecting line, and the one end of the first connecting line far from wind turbine passes through connecting line installation passage and company
It is connected to the storage battery being fixed at the top of movable plate.
Preferably, it is fixed with limiting plate on the outer wall of the ventilation duct, rack is slidably connected with limiting plate.
Preferably, sealing ring, the top exterior walls and ventilation duct bottom opening of movable plate are fixed at the top of the movable plate
Pass through sealing ring airtight connection between the outer wall at place.
Preferably, the pressure sensor is located at a side bottom of the filter screen far from fan installation frame, the top of movable plate
It is fixed with controller, the output end of controller and the input terminal of pressure sensor are electrically connected.
The beneficial effects of the utility model are：
1, work is convenient for by the design of ventilation duct, the first vent passages, filter screen, bottom plate, pressure sensor and movable plate
Make on-line measurement of the personnel to dust in wet flue gas, additionally it is possible to which the numerical value detected according to different pressures sensor is found out in wet flue gas
How much is the content of variable grain size dust, more accurate to the numerical value of variable grain size dust measurement；
2, pass through bottom plate, pressure sensor, movable plate, electric pushrod, baffle, rack, gear, rotating bar and assembling
The design of frame extends service using life convenient for the cleaning of dust inside device；
3, apparatus structure is simple, easy to use, and simple operation, work efficiency is high, applied widely, meets people's use
Demand.
Description of the drawings
Fig. 1 be the utility model proposes a kind of wet flue gas low concentration dust on-line measurement device detection when structural representation
Figure；
Fig. 2 be the utility model proposes a kind of wet flue gas low concentration dust on-line measurement device clean filter screen when knot
Structure schematic diagram；
Fig. 3 be the utility model proposes a kind of wet flue gas low concentration dust on-line measurement device middle rack and gear company
Connect relation schematic diagram.
In figure：1 ventilation duct, 2 first vent passages, 3 filter screens, 4 bottom plates, 5 pressure sensors, 6 movable plates, 7 electronic push away
Bar, 8 baffles, 9 racks, 10 gears, 11 rotating bars, 12 fan installation frames, 13 second vent passages, 14 limiting plates, 15 controllers.
Specific implementation mode
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
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of wet flue gas low concentration dust on-line measurement device, including vertical section are the ventilation duct 1 of T-type,
Ventilation duct 1 is internally provided with the first vent passages 2 that vertical section is T-type, at 2 top inner wall center of the first vent passages activity connect
It is connected to the filter screen 3 being vertically arranged, filter screen 3 is arranged right below bottom plate 4, and the top of bottom plate 4 is equipped with groove, is fixed in groove
There are pressure sensor 5, the top exterior walls and the bottom outer wall of bottom plate 4 of bottom plate 4 to abut, it is fixed on the outer wall that bottom plate 4 is vertically arranged
There is movable plate 6, electric pushrod 7 is installed between movable plate 6 and ventilation duct 1, top one end of movable plate 6 is fixed with baffle 8, living
The top other end of movable plate 6 is fixed with the rack 9 being vertically arranged, and the side of rack 9 is engaged with gear 10, and the middle part of gear 10 is passed through
It is installed with rotating bar 11, rotating bar 11 runs through ventilation duct 1, and the outer wall of rotating bar 11 is fixedly arranged in the middle of fan installation frame 12, wind turbine peace
It shelves 12 to be rotationally connected with inside the first vent passages 2, the second vent passages 13 that the side wall of baffle 8 is equipped with, the second ventilation
The internal diameter in channel 13 is more than the internal diameter of ventilation duct 1, and the side walls close to each other with ventilation duct 1 of baffle 8 are connect, filter screen 3
Quantity is three, and the distance between three filter screens 3 and fan installation frame 12 are sequentially reduced, filter hole on three filter screens 3
Diameter is sequentially reduced, and wind turbine is equipped on fan installation frame 12, and one end side wall of rotating bar 11 is equipped with connecting line installation passage,
One end of wind turbine is connected with the first connecting line, and the one end of the first connecting line far from wind turbine passes through connecting line installation passage and is connected with
It is fixed on the storage battery at 6 top of movable plate, limiting plate 14 is fixed on the outer wall of ventilation duct 1, rack 9 connects with the sliding of limiting plate 14
It connects, the top of movable plate 6 is fixed with sealing ring, leads between the outer wall at 1 bottom opening of top exterior walls and ventilation duct of movable plate 6
Sealing ring airtight connection is crossed, pressure sensor 5 is located at a side bottom of the filter screen 3 far from fan installation frame 12, the top of movable plate 6
Portion is fixed with controller 15, and the output end of controller 15 and the input terminal of pressure sensor 5 are electrically connected, and controller 15 is
The output end of 8839-DPP-400 type microcontrollers, controller 15 is electrically connected with JD-455 type signal projectors, signal projector
Remote port be wirelessly connected with desktop computer, pressure sensor 5 is LEID-667-3S type high-precision pressure sensors.
Specific embodiment one：In use, flue gas enters by the second vent passages 13 in the first vent passages 2, in flue gas
Particulate matter fallen after the filtration of filter screen 3 at the top of pressure sensor 5, the numerical value that pressure sensor 5 detects exists
It is shown on desktop computer, is convenient for on-line measurement of the staff to dust in wet flue gas, additionally it is possible to according to different pressures sensor 5
The numerical value of detection find out variable grain size dust in wet flue gas content how much；
Specific embodiment two：It is electronic to push away when the dust aggregation at 4 top of bottom plate is more needs cleaning after long-time use
The work of bar 7 makes movable plate 6 move straight down, and the top of bottom plate 4 is detached with the bottom of ventilation duct 1, the second ventilation on baffle 8
Channel 13 is moved to the lower section of the first vent passages 2, and 2 opening one of the first vent passages is moved at the top of the one side wall of baffle 8
Side, meanwhile, rack 9 moves straight down with movable plate 6, and rack 9 is pretended to know with moving gear 10, and rack 10 makes rotating bar 11 drive
Fan installation frame 12 rotates 180 degree, and blower fan work makes air be entered by the one end of the first vent passages 2 far from baffle 8,
Reverse blowing disposal is carried out to filter screen 3, the dust inside the dust and the first vent passages 2 on filter screen 3 is effectively removed, is convenient for
The removing of 5 top dust of pressure sensor, realizes the purpose of dedusting, reduces the labor intensity of staff, extend device
Service life.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of wet flue gas low concentration dust on-line measurement device, including vertical section are the ventilation duct of T-type（1）, which is characterized in that
The ventilation duct（1）Be internally provided with vertical section be T-type the first vent passages（2）, the first vent passages（2）In top inner wall
The filter screen being vertically arranged is connected at the heart（3）, filter screen（3）Be arranged right below bottom plate（4）, bottom plate（4）Top
Equipped with groove, pressure sensor is fixed in groove（5）, bottom plate（4）Top exterior walls and bottom plate（4）Bottom outer wall abut,
Bottom plate（4）It is fixed with movable plate on the outer wall being vertically arranged（6）, movable plate（6）And ventilation duct（1）Between electric pushrod is installed
（7）, movable plate（6）Top one end be fixed with baffle（8）, movable plate（6）The top other end be fixed with the tooth being vertically arranged
Item（9）, rack（9）Side be engaged with gear（10）, gear（10）Middle part through there is rotating bar（11）, rotating bar（11）It passes through
Break-through air hose（1）, rotating bar（11）Outer wall be fixedly arranged in the middle of fan installation frame（12）, fan installation frame（12）It is rotationally connected with
First vent passages（2）It is internal.
2. a kind of wet flue gas low concentration dust on-line measurement device according to claim 1, which is characterized in that the baffle
（8）The second vent passages for being equipped with of side wall（13）, the second vent passages（13）Internal diameter be more than ventilation duct（1）Internal diameter,
Baffle（8）With ventilation duct（1）Side walls connection close to each other.
3. a kind of wet flue gas low concentration dust on-line measurement device according to claim 1, which is characterized in that the filtering
Net（3）Quantity be three, three filter screens（3）With fan installation frame（12）The distance between be sequentially reduced, three filter screens
（3）The diameter of upper filter hole is sequentially reduced.
4. a kind of wet flue gas low concentration dust on-line measurement device according to claim 1, which is characterized in that the wind turbine
Mounting bracket（12）On wind turbine, rotating bar are installed（11）One end side wall be equipped with connecting line installation passage, one end of wind turbine connects
It is connected to the first connecting line, the one end of the first connecting line far from wind turbine, which passes through connecting line installation passage and is connected with, is fixed on movable plate
（6）The storage battery at top.
5. a kind of wet flue gas low concentration dust on-line measurement device according to claim 1, which is characterized in that the ventilation
Pipe（1）Outer wall on be fixed with limiting plate（14）, rack（9）With limiting plate（14）It is slidably connected.
6. a kind of wet flue gas low concentration dust on-line measurement device according to claim 1, which is characterized in that the activity
Plate（6）Top be fixed with sealing ring, movable plate（6）Top exterior walls and ventilation duct（1）Lead between outer wall at bottom opening
Cross sealing ring airtight connection.
7. a kind of wet flue gas low concentration dust on-line measurement device according to claim 1, which is characterized in that the pressure
Sensor（5）Positioned at filter screen（3）Far from fan installation frame（12）A side bottom, movable plate（6）Top be fixed with control
Device（15）, controller（15）Output end and pressure sensor（5）Input terminal be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820382155.XU CN207992000U (en) | 2018-03-21 | 2018-03-21 | A kind of wet flue gas low concentration dust on-line measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820382155.XU CN207992000U (en) | 2018-03-21 | 2018-03-21 | A kind of wet flue gas low concentration dust on-line measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207992000U true CN207992000U (en) | 2018-10-19 |
Family
ID=63827591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820382155.XU Active CN207992000U (en) | 2018-03-21 | 2018-03-21 | A kind of wet flue gas low concentration dust on-line measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207992000U (en) |
-
2018
- 2018-03-21 CN CN201820382155.XU patent/CN207992000U/en active Active
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