CN209043761U - The funneling quick flue dust analyzer of β ray - Google Patents
The funneling quick flue dust analyzer of β ray Download PDFInfo
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- CN209043761U CN209043761U CN201821580673.9U CN201821580673U CN209043761U CN 209043761 U CN209043761 U CN 209043761U CN 201821580673 U CN201821580673 U CN 201821580673U CN 209043761 U CN209043761 U CN 209043761U
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Abstract
The utility model discloses a kind of funneling quick flue dust analyzers of β ray, including shell, the shell fixing piece being set in shell both ends and the end fixing piece being arranged between shell fixing piece；Pressure channel, negative high voltage device and β source device are provided between end fixing piece and shell fixing piece, β source device is connect by source fixinig plate with negative high voltage device, negative high voltage device is fixed on pressure channel, the bottom end of pressure channel is provided with the first fixing piece, is provided with first through hole at the center of the first fixing piece；Upper end fixing piece upper end is provided with collector, and the upper end of collector is arranged with the second fixing piece；The second through-hole is provided at the center of end fixing piece, the second through-hole is identical as the diameter of first through hole.The utility model structure is simple, durable, and sensitivity is higher, can go out data in time without post-processing without consumptive material, sensor is put into flue, air inlet face airflow direction, ensure that exhaust constant speed passes through ionisation chamber.
Description
Technical field
The utility model relates to sensor technical fields, more particularly, to a kind of funneling quick flue dust analyzer of β ray.
Background technique
Atmosphere pollution is caused by the pollutant for being present in one of atmosphere or a variety of gaseous states, aerosol or graininess
, people and other biological can be damaged or unusual effect.Atmosphere pollution is from a wealth of sources, coverage is big, has become at present
For worldwide problem.Atmosphere pollution mainly passes through respiratory tract and enters human body, partial size it is of different sizes, be inhaled into and be deposited on and exhale
The position of desorption system is different, also variant to the harm of body, and greater than 5 μm are trapped in upper airway more, how stagnant less than 5 μm
Stay in bronchiole and alveolar.Particulate matter is smaller, and the position of entrance is deeper.Research in recent years discovery, particulate (PM2.5) is to human body
The influence of health is serious, and particulate mentioned here is the particulate matter of diameter≤2.5 μm, primary micro- in air by being directly discharged into
Gaseous pollutant in grain and air is made up of two amicrons that chemical conversion generates, and particulate can reach as flue dust
Lung end, and stablize after settling.
β ray method is the main measurement of the automatic monitor for continuously instrument of atmosphere particle concentration.Currently on the market
Conventional filtration cartridges weight method β ray, which passes through the decaying that dust strainer and blank strainer generate, directlys proportional this principle to quality and measures greatly
Aerated particle object concentration, the method have filter cylinder consumptive material and are influenced very greatly, to influence precision by air humidity.For these reasons, if
It is necessary for counting a kind of quick flue dust analyzer of funneling β ray.
Utility model content
The purpose of the utility model is to provide a kind of funneling quick flue dust analyzers of β ray, and structure is simple, prolonged resistance to
With sensitivity is higher, can go out data in time without post-processing without consumptive material, sensor is put into flue, air inlet
Face airflow direction ensure that exhaust constant speed passes through ionisation chamber.
To achieve the above object, the utility model provides a kind of quick flue dust analyzer of funneling β ray, including shell
Body, the shell fixing piece being set in the shell both ends and the end fixing piece being arranged between the shell fixing piece；
Pressure channel, negative high voltage device and β source device are provided between the end fixing piece and the shell fixing piece,
The β source device is connect by source fixinig plate with the negative high voltage device, and the negative high voltage device is fixed on the pressure channel
On, the bottom end of the pressure channel is provided with the first fixing piece, is provided at the center of first fixing piece and is arranged the gas
The first through hole of pressure passageway；
Fixing piece upper end in end described in top is provided with collector, and the upper end of the collector is arranged with the second fixing piece；
The second through-hole for being arranged the collector and the pressure channel, institute are provided at the center of the end fixing piece
It is identical as the diameter of the first through hole to state the second through-hole.
Preferably, the top half of the collector is set as cylindrical structure, the lower half portion setting of the collector
For truncated cone-shaped structure, the bottom end of the collector is fixed in the second through-hole of end fixing piece described in top, is held described in top
End fixing piece described in portion's fixing piece and lower part is bolted.
Preferably, second fixing piece is made of mounting plate and the casing being fixed on the mounting plate, described sleeve pipe
Top half be set as cylindrical structure, and the height of the height of described sleeve pipe top half and the collector top half
Identical, the outer diameter of the collector top half is less than the outer diameter of described sleeve pipe top half, and the lower half of described sleeve pipe is set up separately
It is set to truncated cone-shaped structure, and the sum of the height of described sleeve pipe lower half portion and the height of the mounting plate and the collector lower half
Partial height is identical.
Preferably, first fixing piece, second fixing piece, the end fixing piece, the shell fixing piece and
It is bolted between the shell.
Preferably, the material of the end fixing piece, first fixing piece and second fixing piece is polytetrafluoro
Ethylene.
Therefore, the quick flue dust analyzer of funneling β ray of the utility model using the above structure, structure is simple, prolonged
Durable, sensitivity is higher, can go out data in time without post-processing without consumptive material, sensor is put into flue, air inlet
Mouth face airflow direction ensure that exhaust constant speed passes through ionisation chamber.Fume is from the screw hole of β ray smoke gas sensor top surface
Suction nozzle is introduced with negative pressure, and negative pressure is formed by sensor bottom opening.Fume is made by sensor inner cavity by electric field
With ion and smoke particle the exoelectron progress for generating script β ray charged particle are charged at neutrality, cannot all be received
Collector plate absorbs, and the size of penalty values is consistent with dust concentration value.Flue-gas temperature is by configuring the temperature-sensitive on support tube socket
Element measures, and flue gas pressures, wind speed are measured by the multiplication of voltage Pitot tube configured.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the funneling quick flue dust analyzer embodiment of β ray of the utility model.
Specific embodiment
Embodiment
Fig. 1 is a kind of structural schematic diagram of the funneling quick flue dust analyzer embodiment of β ray of the utility model, as schemed institute
Show, the utility model provides a kind of quick flue dust analyzer of funneling β ray, including shell 1, is set in 1 both ends of shell
Shell fixing piece 2 and the end fixing piece 3 that is arranged between shell fixing piece 2；End fixing piece 3 and shell fixing piece 2 it
Between be provided with pressure channel 4, negative high voltage device 5 and β source device 6, β source device 6 is connected by source fixinig plate 7 and negative high voltage device 5
It connects, negative high voltage device 5 is fixed on pressure channel 4, and the bottom end of pressure channel 4 is provided with the first fixing piece 8, the first fixing piece 8
Center at be provided with the first through hole 9 for being arranged pressure channel 4；3 upper end of upper end fixing piece is provided with collector 10, collects
The upper end of pole 10 is arranged with the second fixing piece 11；It is provided at the center of end fixing piece 3 and is arranged collector 10 and pressure channel 4
The second through-hole 12, the second through-hole 12 is identical as the diameter of first through hole 9；The top half of collector 10 is set as cylindrical knot
Structure, the lower half portion of collector 10 are set as truncated cone-shaped structure, and the bottom end of collector 10 is fixed on the of upper end fixing piece 3
In two through-holes 12, upper end fixing piece 3 and lower end fixing piece 3 are bolted, and the utility model utilizes Beta-ray
Directly proportional to the quality of substance this relationship of decaying measures the concentration of unit volume particulate matter, when measurement, will ionize cell structure
Funneling β radiation transducers is put into flue, air inlet face airflow direction, guarantees that exhaust constant speed passes through ionisation chamber, ionization
The β ray of certain energy causes energy attenuation, energy by atom or atom nuclear interaction in substance Shi Huiyu substance in room
It is proportional to the quality of substance to measure attenuation, by the quality of β ray energy attenuation substance for calculation, by the quality of substance and
The volume of ionisation chamber calculates the concentration of particulate matter, and the sensor structure of such structure is simple, durable.
Second fixing piece 11 is made of mounting plate 110 and the casing 111 being fixed on mounting plate 110, the upper half of casing 111
Part is set as cylindrical structure, and the height of 111 top half of casing is identical as the height of 10 top half of collector, collects
The outer diameter of 10 top half of pole is less than the outer diameter of 111 top half of casing, and the lower half portion of casing 111 is set as truncated cone-shaped knot
Structure, and the sum of the height of 111 lower half portion of casing and the height of 110 mounting plates are identical as the height of 10 lower half portion of collector,
It is easily installed.
Pass through bolt between first fixing piece 8, the second fixing piece 11, end fixing piece 3, shell fixing piece 2 and shell 1
Connection, the material of end fixing piece 3, the first fixing piece 8 and the second fixing piece 11 is polytetrafluoroethylene (PTFE).
Therefore, the quick flue dust analyzer of funneling β ray of the utility model using the above structure, structure is simple, prolonged
Durable, sensitivity is higher, can go out data in time without post-processing without consumptive material, sensor is put into flue, air inlet
Mouth face airflow direction ensure that exhaust constant speed passes through ionisation chamber.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System, although the utility model has been described in detail with reference to the preferred embodiment, those skilled in the art should manage
Solution: it still can be with the technical solution of the present invention is modified or equivalently replaced, and these are modified or equally replace
Changing also cannot make modified technical solution be detached from the spirit and scope of the technical scheme of the present invention.
Claims (5)
1. a kind of quick flue dust analyzer of funneling β ray, it is characterised in that:
Including shell, the shell fixing piece being set in the shell both ends and the end being arranged between the shell fixing piece
Fixing piece；
Pressure channel, negative high voltage device and β source device are provided between the end fixing piece and the shell fixing piece, it is described
β source device is connect by source fixinig plate with the negative high voltage device, and the negative high voltage device is fixed on the pressure channel, institute
The bottom end for stating pressure channel is provided with the first fixing piece, is provided at the center of first fixing piece and is arranged the pressure channel
First through hole；
Fixing piece upper end in end described in top is provided with collector, and the upper end of the collector is arranged with the second fixing piece；
It is provided with the second through-hole for being arranged the collector and the pressure channel at the center of the end fixing piece, described
Two through-holes are identical as the diameter of the first through hole.
2. the quick flue dust analyzer of funneling β ray according to claim 1, it is characterised in that: the collector it is upper
Half part is set as cylindrical structure, and the lower half portion of the collector is set as truncated cone-shaped structure, the bottom end of the collector
It is fixed in the second through-hole of end fixing piece described in top, end fixing piece described in end fixing piece and lower part described in top is logical
It crosses and is bolted.
3. the quick flue dust analyzer of funneling β ray according to claim 2, it is characterised in that: second fixing piece
It being made of mounting plate and the casing being fixed on the mounting plate, the top half of described sleeve pipe is set as cylindrical structure, and
The height of described sleeve pipe top half is identical as the height of the collector top half, the outer diameter of the collector top half
Less than the outer diameter of described sleeve pipe top half, the lower half portion of described sleeve pipe is set as truncated cone-shaped structure, and described sleeve pipe lower half
The sum of partial height of height and the mounting plate is identical as the height of the collector lower half portion.
4. the quick flue dust analyzer of funneling β ray according to claim 3, it is characterised in that: first fixing piece,
It is bolted between second fixing piece, the end fixing piece, the shell fixing piece and the shell.
5. the quick flue dust analyzer of funneling β ray according to claim 4, it is characterised in that: the end fixing piece,
The material of first fixing piece and second fixing piece is polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821580673.9U CN209043761U (en) | 2018-09-27 | 2018-09-27 | The funneling quick flue dust analyzer of β ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821580673.9U CN209043761U (en) | 2018-09-27 | 2018-09-27 | The funneling quick flue dust analyzer of β ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043761U true CN209043761U (en) | 2019-06-28 |
Family
ID=67034396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821580673.9U Active CN209043761U (en) | 2018-09-27 | 2018-09-27 | The funneling quick flue dust analyzer of β ray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043761U (en) |
-
2018
- 2018-09-27 CN CN201821580673.9U patent/CN209043761U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: funneling b X-ray rapid smoke and dust analyzer Effective date of registration: 20230420 Granted publication date: 20190628 Pledgee: Hebei Bazhou Rural Commercial Bank Co.,Ltd. Pledgor: BAZHOU DIHAI YUNTIAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023980038639 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |