CN207991902U - A kind of multifunctional gas, dust sampler examine and determine auxiliary device - Google Patents
A kind of multifunctional gas, dust sampler examine and determine auxiliary device Download PDFInfo
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- CN207991902U CN207991902U CN201820517902.6U CN201820517902U CN207991902U CN 207991902 U CN207991902 U CN 207991902U CN 201820517902 U CN201820517902 U CN 201820517902U CN 207991902 U CN207991902 U CN 207991902U
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Abstract
The utility model discloses a kind of multifunctional gas, dust samplers to examine and determine auxiliary device, including：Small-bore gas circuit, heavy caliber gas circuit, pressure tap and support construction, support construction installs small-bore gas circuit and heavy caliber gas circuit bottom, small-bore gas circuit are connected with heavy caliber gas circuit by pressure tap.The utility model is simple in structure, and the calibrating to air sampler, dust sampler, overall suspended pellet sampler and smoke dust sampling instrument may be implemented.
Description
Technical field
It is more particularly to a kind of air, dust, total the utility model is related to sampler calibrating installation technical field
Suspended particulate substance, flue dust examine and determine auxiliary device.
Background technology
Currently, air sampler, dust sampler, smoke dust sampling instrument and overall suspended pellet sampler are by specific
Instrument is examined and determine, and can either be examined and determine air sampler, dust sampler without a set of, and can be to smoke dust sampling instrument
The instrument examined and determine with overall suspended pellet sampler.
Therefore, how to provide one kind can be to air sampler, dust sampler, smoke dust sampling instrument and overall suspended pellet
The problem of auxiliary device that sampler is examined and determine is those skilled in the art's urgent need to resolve.
Utility model content
In view of this, the utility model provides a kind of multifunctional gas, dust sampler calibrating auxiliary device, it can be right
The flow error of indication, load state down-off repeatability, load state down-off stability under air sampler load state,
The exhaust capacity of dust sampler load capacity, overall suspended pellet sampler load capacity and smoke dust sampling instrument is examined
It is fixed, and measure accurately.
To achieve the goals above, the utility model adopts the following technical solution：
A kind of multifunctional gas, dust sampler examine and determine auxiliary device, including：Small-bore gas circuit, heavy caliber gas circuit, pressure
Interface and support construction are counted, the support construction is fixed on the small-bore gas circuit and heavy caliber gas circuit bottom, described small
Bore gas circuit is connected with heavy caliber gas circuit by the pressure tap.
Further, the small-bore gas circuit includes small-bore air inlet, stainless steel tube one, ball valve one, needle valve one, ball valve
Two and small-bore gas outlet, wherein the small-bore air inlet and the small-bore gas outlet are located at the stainless steel tube one
Inlet end and outlet side, the match of pipe diameter of the ball valve one and the stainless steel tube one, and be located at the small-bore air inlet
Between the small-bore gas outlet, the needle valve one bridges over the top of the ball valve one, the needle valve one with it is described small
The ball valve two is connected with by narrow tee between bore gas outlet, and the ball valve two is located on the narrow tee
On pipeline.
Further, the heavy caliber gas circuit includes heavy caliber air inlet, needle valve two, ball valve three, stainless steel tube two and big
Bore gas outlet, wherein the heavy caliber air inlet and the heavy caliber gas outlet are located at the air inlet of the stainless steel tube two
End and outlet side, the needle valve two and the caliber of the stainless steel tube two match, and positioned at the heavy caliber air inlet and
Between the heavy caliber air inlet, the needle valve two is connected with the ball with the heavy caliber gas outlet by wide tee
Valve three, and the ball valve three is located on the wide tee upper pipeline.
Further, the wide tee upper pipeline is connected with the narrow tee upper pipeline by the pressure tap
It is logical, and the pressure tap is between the ball valve two and the ball valve three.
Further, the pressure tap connects pressure gauge.
Further, the bore of the stainless steel tube one is 4mm, and wall thickness 1mm.
Further, the bore of the stainless steel tube two is 12mm, and wall thickness 1mm.
Further, support construction includes fixed block, pedestal and pedestal support, and the pedestal support is located at the pedestal bottom
Portion, the fixed block is located at the base top and the fixed block supports the stainless steel tube one and the stainless steel tube two.
It can be seen via above technical scheme that compared with prior art, the utility model disclose provide it is a kind of multi-functional
Gas, dust sampler examine and determine auxiliary device, wherein small-bore gas circuit can detect the flow under air sampler load state
The error of indication, load state down-off repeatability, the load capacity of load state down-off stability and dust sampler, greatly
Bore gas circuit can examine and determine overall suspended pellet sampler load capacity and smoke dust sampling instrument exhaust capacity, and then save production
Cost improves detection efficiency.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawings are that a kind of multifunctional gas provided by the utility model, dust sampler examine and determine the main view of auxiliary device
Figure；
Fig. 2 attached drawings are that a kind of multifunctional gas provided by the utility model, dust sampler examine and determine the left view of auxiliary device
Figure；
Fig. 3 attached drawings are that a kind of multifunctional gas provided by the utility model, dust sampler examine and determine bowing for auxiliary device
View.
Wherein, each component represents：
1, small-bore gas circuit, 11, small-bore air inlet, 12, stainless steel tube one, 13, ball valve one, 14, needle valve one, 15,
Ball valve two, 16, small-bore gas outlet, 2, heavy caliber gas circuit, 21, heavy caliber air inlet, 22, needle valve two, 23, ball valve three, 24,
Stainless steel tube two, 25, heavy caliber gas outlet, 3, pressure tap, 4, support construction, 41, fixed block, 42, pedestal, 43, pedestal
Support.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model embodiment discloses a kind of multifunctional gas, dust sampler calibrating auxiliary device, refer to the attached drawing
1-3, including：Small-bore gas circuit 1, heavy caliber gas circuit 2, pressure tap 3 and support construction 4, support construction 4 are located at small-bore gas
2 bottom of road 1 and heavy caliber gas circuit, small-bore gas circuit 1 and heavy caliber gas circuit 2 are connected by pressure tap 3, pressure tap 3
Connect pressure gauge.
Wherein, small-bore gas circuit 1 include small-bore air inlet 11, stainless steel tube 1, ball valve 1, needle valve 1,
Ball valve 2 15 and small-bore gas outlet 16, small-bore air inlet 11 and small-bore gas outlet 16 are located at stainless steel tube 1
Inlet end and outlet side, the match of pipe diameter of ball valve 1 and stainless steel tube 1, and positioned at small-bore air inlet 11 and small-bore
Between gas outlet 16, needle valve 1 bridges over one 13 top of ball valve, passes through between needle valve 1 and small-bore gas outlet 16
Narrow tee is connected with ball valve 2 15, and ball valve 2 15 is located on narrow tee upper pipeline；The bore of stainless steel tube 1
4mm is may be configured as, wall thickness is 1mm and one inner wall smooth of stainless steel tube；
Heavy caliber gas circuit 2 includes heavy caliber air inlet 21, needle valve 2 22, ball valve 3 23, stainless steel tube 2 24 and great Kou
Diameter gas outlet 25, Large diameter air inlet 21 and heavy caliber gas outlet 25 are located at the inlet end of stainless steel tube 2 24 and go out
Gas end, needle valve 2 22 and the caliber of stainless steel tube 2 24 match, and positioned at heavy caliber air inlet 21 and heavy caliber air inlet
Between 21, ball valve 3 23, and ball valve 3 23 are connected with by wide tee in needle valve 2 22 and heavy caliber gas outlet 25
In on wide tee upper pipeline；The bore of stainless steel tube 2 24 is 12mm, and wall thickness is 1mm and two inner wall smooth of stainless steel tube；
The upward right-angle bending of wide tee upper pipeline, and Lu Chengqiao on narrow tee, correspondingly, on narrow tee
It is pressure tap 3 in the middle part of the upward right-angle bending of pipeline, and wide tee upper pipeline Cheng Qiao, and bridge, pressure tap 3 is located at
Between ball valve 2 15 and ball valve 3 23.
Because air, the common instrument of dust sampler are small flow (0~2.0) L/min, and overall suspended pellet and flue dust are adopted
Sample device is middle flow (0~150) L/min, therefore the utility model is provided with small-bore and two gas circuits of heavy caliber.Its Large diameter
For examining and determine overall suspended pellet sampler load capacity and smoke dust sampling instrument exhaust capacity, small-bore gas circuit 1 is used for gas circuit 2
The flow error of indication, load state down-off repeatability, the load state down-off examined and determine under air sampler load state are steady
Qualitative and dust sampler load capacity.
And when detection calibrating overall suspended pellet sampler load capacity and smoke dust sampling instrument exhaust capacity ball valve 2 15
It closes, when examine and determine, the flow error of indication under air sampler load state, load state down-off be repeated, under load state
When the load capacity of discharge stability and dust sampler, ball valve 3 23 is closed.
Also, the small-bore gas circuit 1 of the utility model is all made of stainless steel tube pipeline with heavy caliber gas circuit 2, improves load
Stability, and then improve measurement accuracy, and simple in structure, it is easy to assembly, solve existing standard verification device connection
Pipeline is mostly rubber or silicone tube, rubber or the big influence measurement accuracy of silicone tube resistance, and because hose line shape it is changeable
Adjust not easy-operating technical barrier when load.
To advanced optimize above-mentioned technical proposal, support construction 4 includes fixed block 41, pedestal 42 and pedestal support 43, bottom
Seat supports 43 are located at 42 bottom of pedestal, and fixed block 41 is located at 42 top of pedestal and fixed block 41 supports stainless steel tube 1 and stainless
Steel pipe 2 24.It should be noted that in order to make fixing-stable, can be respectively arranged in small-bore gas circuit 1 and heavy caliber gas circuit 2 more
Group support construction 4.
The calibration operation process of the utility model is：
The air sampler load condition down-off error of indication is examined and determine：
A kind of multifunctional gas of the utility model, the small-bore air inlet 11 of dust sampler calibrating auxiliary device connect air
Sampler outlet side, small-bore gas outlet 16 connect air sampler inlet end.
Wherein, ball valve 1 is closed, and needle valve 1 is opened, and ball valve 2 15 is opened, and side adjusts needle valve 1, side observation
Pressure gauge is read, and so that pressure gauge reading is reached regulatory requirements (A classes are 0.5kPa, and B classes are 4.5kPa), is read on air sampler
Standard scale range value.Every is surveyed 3 times, take the scale range value that 3 arithmetic mean of instantaneous values put with calibrating difference divided by 3 times
Arithmetic mean of instantaneous value multiplied by with 100% be the flow error of indication, the limits of error be ± 5%.
The calibrating of air sampler flow repeatability：
Flow value is nearby put to the 60% of the adjustable apparatus selection full scale of flow, to only there are one the instruments of flow value
It selects the flow to be examined and determine, has the instrument of temperature controlling function that temperature is set as laboratory temperature.
A kind of multifunctional gas of the utility model, the small-bore air inlet 11 of dust sampler calibrating auxiliary device connect air
Sampler outlet side, small-bore gas outlet 16 connect air sampler inlet end.
Wherein, ball valve 1 is closed, and needle valve 1 is opened, and ball valve 2 15 is opened, and according to instrument requirement, adjusts needle valve
One 14, observation pressure gauge reading, it is 0.5kPa (A classes) or 4.5kPa (B classes) to make pressure gauge reading, reads atmospheric sampling at this time
The sampling flow of device.Duplicate measurements 6 times calculates the relative standard deviation of six measured values as flow repeatability, and result is answered
≤ 2%.
The calibrating of air sampler discharge stability：
Flow value is nearby put to the 60% of the adjustable apparatus selection full scale of flow, to only there are one the instruments of flow value
It selects the flow to be examined and determine, has the instrument of temperature controlling function that temperature is set as laboratory temperature.
A kind of multifunctional gas of the utility model, the small-bore air inlet 11 of dust sampler calibrating auxiliary device connect air
Sampler outlet side, small-bore gas outlet 16 connect air sampler inlet end.
Wherein, ball valve 1 is closed, and needle valve 1 is opened, and ball valve 2 15 is opened, and according to instrument requirement, adjusts needle valve
One 14, observation pressure gauge reading, it is 0.5kPa (A classes) or 4.5kPa (B classes) to make pressure gauge reading, reads atmospheric sampling at this time
The sampling flow of device.In the case of not conditioning instrumentation flow, continuous work 1 hour measures once, 5 times totally for every 15 minutes；It is right
In the sampler for having constant-temperature constant-current requirement in 24 hours, continuous work 8 hours measures once, 5 times totally for every 2 hours.Take 5 measurements
The average value of the difference of maxima and minima divided by 5 sampling flows is multiplied by the stability of flow for 100% being instrument in data
Property, result answers≤5%.
When examining and determine dust sampler load capacity：
To the fixed dust sampler of sampling flow, firm discharge point is examined and determine；To the adjustable dust sampler of sampling flow,
Examine and determine upper limit flow point.
Start dust sampler, and sampling flow is adjusted to fixed point to be checked, a kind of multifunctional gas of the utility model, powder
Dirt sampler examines and determine the small-bore air inlet 11 of auxiliary device and connects dust sampler outlet side, and small-bore gas outlet 16 connects dust
Sampler inlet end；Ball valve 1 is closed, and needle valve 1 is opened, and ball valve 2 15 is opened, and is adjusted needle valve 1, is made dust sampler
Sampling flow when declining 5%, read pressure gauge indicating value immediately, pressure gauge indicating value at this time is the load capacity of sampler.
It should be noted that the load capacity of fugitive dust sampler cannot be less than 200Pa；Continuous dust sampler is born
Loading capability cannot be less than 1000Pa.
The calibrating of overall suspended pellet sampler load capacity：
Start overall suspended pellet sampler, starting flow value is read after sampler the operation is stable, it is later that this practicality is new
A kind of multifunctional gas of type, dust sampler calibrating auxiliary device heavy caliber air inlet 21 connect floating particles object sampler outlet
End, heavy caliber gas outlet 25 connect floating particles object sampler inlet end, and ball valve 3 23 is opened, and adjust needle valve 2 22 to pressure gauge and read
When number is 4kPa-6kPa, stop adjusting needle valve 2 22, after ten minutes, reads the standard stream of overall suspended pellet sampler
Magnitude is the sampling flow of offered load.The load capacity of overall suspended pellet sampler is：Flow before and after loading it
Difference divided by starting flow are multiplied by 100%, and result answers≤5%.
Examine and determine the calibrating of smoke dust sampling instrument exhaust capacity：
A kind of multifunctional gas of the utility model, dust sampler calibrating auxiliary device heavy caliber air inlet 21 connect flue dust
Sampler outlet side, heavy caliber gas outlet 25 connect smoke dust sampling instrument inlet end, 2 22 standard-sized sheet of needle valve, and ball valve 3 23 is opened, if
It is 30L/min to set sampling flow, after stability of flow, closes needle valve 2 22, reads the pumping that pressure gauge indicating value is the instrument
Gas ability.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (8)
1. a kind of multifunctional gas, dust sampler examine and determine auxiliary device, which is characterized in that including：It is small-bore gas circuit (1), big
Bore gas circuit (2), pressure tap (3) and support construction (4), the support construction (4) are mounted on the small-bore gas circuit (1)
With heavy caliber gas circuit (2) bottom, the small-bore gas circuit (1) and heavy caliber gas circuit (2) pass through the pressure tap (3)
Connection.
2. a kind of multifunctional gas according to claim 1, dust sampler examine and determine auxiliary device, which is characterized in that institute
It includes small-bore air inlet (11), stainless steel tube one (12), ball valve one (13), needle valve one (14), ball to state small-bore gas circuit (1)
Valve two (15) and small-bore gas outlet (16), wherein the small-bore air inlet (11) and the small-bore gas outlet (16) are respectively
Inlet end positioned at the stainless steel tube one (12) and outlet side, the pipe of the ball valve one (13) and the stainless steel tube one (12)
Diameter matches, and between the small-bore air inlet (11) and the small-bore gas outlet (16), the needle valve one (14)
It bridges at the top of the ball valve one (13), by small-bore between the needle valve one (14) and the small-bore gas outlet (16)
Threeway is connected with the ball valve two (15), and the ball valve two (15) is located on the narrow tee upper pipeline.
3. a kind of multifunctional gas according to claim 2, dust sampler examine and determine auxiliary device, which is characterized in that institute
State heavy caliber gas circuit (2) include heavy caliber air inlet (21), needle valve two (22), ball valve three (23), stainless steel tube two (24) and
Heavy caliber gas outlet (25), wherein the heavy caliber air inlet (21) and the heavy caliber gas outlet (25) be located at it is described not
The inlet end of rust steel pipe two (24) and outlet side, the caliber phase of the needle valve two (22) and the stainless steel tube two (24)
Match, and between the heavy caliber air inlet (21) and the heavy caliber air inlet (21), the needle valve two (22) and institute
It states heavy caliber gas outlet (25) and the ball valve three (23) is connected with by wide tee, and the ball valve three (23) is positioned at described
On wide tee upper pipeline.
4. a kind of multifunctional gas according to claim 3, dust sampler examine and determine auxiliary device, which is characterized in that institute
It states wide tee upper pipeline to be connected to by the pressure tap (3) with the narrow tee upper pipeline, and the pressure
Interface (3) is counted between the ball valve two (15) and the ball valve three (23).
5. a kind of multifunctional gas according to claim 1, dust sampler examine and determine auxiliary device, which is characterized in that institute
State pressure tap (3) connection pressure gauge.
6. a kind of multifunctional gas according to claim 2, dust sampler examine and determine auxiliary device, which is characterized in that institute
The bore of stainless steel tube one (12) is stated as 4mm, and wall thickness 1mm.
7. a kind of multifunctional gas according to claim 3, dust sampler examine and determine auxiliary device, which is characterized in that institute
The bore of stainless steel tube two (24) is stated as 12mm, and wall thickness 1mm.
8. a kind of multifunctional gas according to claim 3, dust sampler examine and determine auxiliary device, which is characterized in that branch
Support structure (4) includes fixed block (41), pedestal (42) and pedestal support (43), and the pedestal support (43) is located at the pedestal
(42) bottom, the fixed block (41) is located at the top of the pedestal (42) and the fixed block (41) supports the stainless steel tube one
(12) and the stainless steel tube two (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820517902.6U CN207991902U (en) | 2018-04-12 | 2018-04-12 | A kind of multifunctional gas, dust sampler examine and determine auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820517902.6U CN207991902U (en) | 2018-04-12 | 2018-04-12 | A kind of multifunctional gas, dust sampler examine and determine auxiliary device |
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| Publication Number | Publication Date |
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| CN207991902U true CN207991902U (en) | 2018-10-19 |
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ID=63830873
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820517902.6U Active CN207991902U (en) | 2018-04-12 | 2018-04-12 | A kind of multifunctional gas, dust sampler examine and determine auxiliary device |
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| CN (1) | CN207991902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466096A (en) * | 2021-06-10 | 2021-10-01 | 太原理工大学 | Novel direct-reading dust concentration measuring instrument |
-
2018
- 2018-04-12 CN CN201820517902.6U patent/CN207991902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466096A (en) * | 2021-06-10 | 2021-10-01 | 太原理工大学 | Novel direct-reading dust concentration measuring instrument |
| CN113466096B (en) * | 2021-06-10 | 2022-06-28 | 太原理工大学 | Novel direct-reading dust concentration measuring instrument |
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