CN206311472U - A kind of analogue means for studying the discharge of soil particle thing - Google Patents
A kind of analogue means for studying the discharge of soil particle thing Download PDFInfo
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- CN206311472U CN206311472U CN201720020613.0U CN201720020613U CN206311472U CN 206311472 U CN206311472 U CN 206311472U CN 201720020613 U CN201720020613 U CN 201720020613U CN 206311472 U CN206311472 U CN 206311472U
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- analogue means
- main body
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- soil particle
- particle thing
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Abstract
The utility model discloses a kind of analogue means for studying the discharge of soil particle thing, including blower fan, analogue means main body, analogue means main body one end is air intake, the air intake of analogue means main body is provided with wind deflector, the air intake of analogue means main body is connected by guide duct with blower fan, top in analogue means main body is provided with rainfall pipe and light is looked after, bottom in analogue means main body is provided with sample cell, agitator is provided with sample cell, the bottom of sample cell is provided with bottom land leaking hole, the two ends of analogue means main body are respectively arranged with upwind air granule sampler and lower wind direction air granule sampler, the utility model can simultaneously simulate soil type, wind speed, turn over intensity, rainfall intensity, agricultural land under the influence of intensity of illumination multiple empirical factor is granular material discharged.
Description
Technical field
The utility model is related to granular material discharged field, more particularly to a kind of simulation dress for studying the discharge of soil particle thing
Put, it is adaptable to the estimation of the mechanism and discharge capacity of the discharge of analog study dry farming process PM2.5, PM10.
Background technology
Influence of the atmospheric aerosol to region haze and climate change is current study hotspot, and soil aerosol is big
One of main component of gas aerosol, the shared mass concentration in Atmospheric particulates PM10 of soil aerosol is generally 5%-
20%, may be higher under some regions or specific weather conditions.
China is vast in territory, ploughs widely distributed.In northern area, because dry, average of the whole year wind speed is larger, soil
Earth wind erosion is serious, and in southern area, because annual rainfall is more, the eluviation of rainwater causes that soil with organic matter is moved down,
Upper soll layer weathering is serious.Therefore, soil drifting is the important sources of particulate matter in soil aerosol.Except the soil for existing throughout the year
Earth is eroded, although farmland is ploughed only short a few days to a few weeks, the discharge of particulate matter is but probably the several times of wind erosion,
It is one of important sources of soil aerosol.Study different earth's surface soil driftings, agricultural tillage etc. with it is granular material discharged between
The research of relation pair Atmospheric particulates is significant.
Utility model content
A kind of analogue means for studying the discharge of soil particle thing is provided, a kind of research soil particle thing discharge is additionally provided
Method.Apparatus structure is simple, and control is flexible, the row that can simultaneously simulate soil particle thing under the influence of single or multiple factor
Put.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions：
A kind of analogue means for studying the discharge of soil particle thing, including blower fan, also including analogue means main body, analogue means
Main body one end is air intake, and the air intake of analogue means main body is provided with wind deflector, and the air intake of analogue means main body is by leading
Airduct is connected with blower fan, and the top in analogue means main body is provided with rainfall pipe and light is looked after, the bottom in analogue means main body
Sample cell is provided with, agitator is provided with sample cell, the bottom of sample cell is provided with bottom land leaking hole, analogue means main body
Bottom is provided with filter, and analogue means bottom part body is provided with the bottom leaking hole connected with filter, is set on filter
There is a drainpipe, the two ends of analogue means main body are respectively arranged with upwind air granule sampler and lower wind direction air particles
Thing sampler.
Wind deflector as described above includes several wind blades for setting gradually from top to bottom, and wind blade is adjusted with wind direction
Section valve connection.
Rainfall pipe as described above is connected with water pump.
A kind of analogue means for studying the discharge of soil particle thing, also including being looked after with blower fan, water pump, light respectively, agitator
The control cabinet of connection.
Analogue means main body as described above, blower fan, control cabinet are arranged at moving on support.
The sidepiece of analogue means main body as described above is provided with handle hole.
Compared with prior art, the utility model has the advantage that as follows with effect the utility model：
1st, can simulate simultaneously soil type, wind speed, intensity of turning over, rainfall intensity, the multiple experiments of intensity of illumination because
Agricultural land under the influence of element is granular material discharged, compared with the existing device that may only simulate single empirical factor, is applicable model
Enclose more extensively, simulated experiment more conforms to reality；
2nd, cause that device operates simpler convenience by the central controlled mode of control cabinet, especially pass through with existing
Measurement analogue means main center humidity, the method for pressure and temperature calculation of wind speed are compared, and the utility model is adjusted by control cabinet
Section fan delivery is easier with the method that anemobiagraph measures wind speed by analogue means body side handle hole.And it is convenient true
Cover half intends the wind profile in apparatus main body, it is to avoid the equipment such as pressure sensor, temperature sensor is to simulation in analogue means
The influence of apparatus main body Wind Field；
3rd, by gathering the discharge quantity of particulate matter under the influence of different experiments factor, can be evaluated whether in certain city or region
Due to the PM that rural activity causes2.5And PM10Discharge capacity.
Brief description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is left view of the present utility model；
Fig. 3 is rearview of the present utility model；
Fig. 4 is top view of the present utility model；
Fig. 5 is the A-A profiles in Fig. 4；
Fig. 6 (a) is that wind speed discharges PM to soil (particle diameter≤2mm)10、PM2.5Influence；
Fig. 6 (b) is that wind speed discharges PM to soil (particle diameter >=2mm)10、PM2.5Influence.
In figure, 1- blower fans；2- wind direction regulating valves；Wind direction air granule sampler under 3-；4- upwind air particles
Sampler；5- control cabinets；6- moves support；7- connecting fan ring flanges；8- handle holes；9- drainpipes；10- water pumps；11- wind-guidings
Plate；12- rainfall pipes；13- light is looked after；14- agitators；15- sample cells；16- filters；17- guide ducts；18- analogue means masters
Body；19- wind blades.
Specific embodiment
The technical solution of the utility model is further described below in conjunction with accompanying drawing：
Embodiment 1：
As shown in Fig. 1~5, a kind of analogue means for studying the discharge of soil particle thing, including blower fan 1, also filled including simulation
Main body 18 is put, the one end of analogue means main body 18 is air intake, and the air intake of analogue means main body 18 is provided with wind deflector 11, is simulated
The air intake of apparatus main body 18 is connected by guide duct 17 with blower fan, and the top in analogue means main body 18 is provided with rainfall pipe 12
13 are looked after with light, the bottom in analogue means main body 18 is provided with sample cell 15, sample cell 15 and is provided with agitator 14, sample
The bottom of groove 15 is provided with bottom land leaking hole, and the bottom of analogue means main body 18 is provided with filter 16, analogue means main body 18
Bottom is provided with the bottom leaking hole connected with filter 16, and drainpipe 9 is provided with filter 16, analogue means main body 18
Two ends are respectively arranged with upwind air granule sampler 4 and lower wind direction air granule sampler 3.
Wind deflector 11 includes several wind blades 19 for setting gradually from top to bottom, wind blade 19 and wind direction regulating valve
2 connections.
Rainfall pipe 12 is connected with water pump 10.
A kind of analogue means for studying the discharge of soil particle thing, also including looking after 13 with blower fan 1, water pump 10, light respectively, stirring
Mix the control cabinet 5 of the connection of device 14.
Analogue means main body 18, blower fan 1, control cabinet 5 are arranged at moving on support 6.
The sidepiece of analogue means main body 18 is provided with handle hole 8.
Embodiment 2：
The analogue means discharged using the research soil particle thing described in embodiment 1 carries out studying what soil particle thing was discharged
Method, comprises the following steps：
Step 1, sample is positioned in sample cell 15, agitated device 14 is stirred to be turned over process with simulating agricultural land, is stirred
Mixing the mixing speed of device 14 can be continuously adjusted by control cabinet 5 in the range of 0~100r/min, to simulate different types of turning over
Activity.
Step 2, it is determined that after mixing speed, the wind deflector of the air intake of analogue means main body 18 is controlled by control cabinet 5
11 air-out wind speed realize that 0~3m/s is continuously adjustable.Regulation wind direction regulating valve 2 can change the air-out wind direction of wind deflector 11, realize out
Wind wind direction is continuously adjusted for 0~180 ° with vertical direction；The rainfall of rainfall pipe 12 is controlled by control cabinet 5, is capable of achieving different strong
The rainfall of degree, and rain time can be set by control cabinet 5；Light is controlled to look after 13 intensities of illumination and time by control cabinet 5.
Step 3, when determining mixing speed, the air-out wind speed of wind deflector 11, the air-out wind direction of wind deflector 11, rainfall intensity, rainfall
Between, after intensity of illumination and intensity of illumination, the Wind Field of analogue means main body 18 stabilization is treated, by upwind air granule sampler
4 and lower wind direction air granule sampler 3 collection turn over before and after gas containing particulate matter.
Step 4, calculating discharge quantity of particulate matter.
Step 4 as described above is comprised the steps of：
Step 4.1, determine emission factor EFi
Emission factor EFiIt is discharge quantity of particulate matter on unit chronomere farmland area, is determined by following formula：
In formula:The quality of blank filter membrane in the preceding upwind air granule sampler 4 of ω 1- samplings, by ten a ten thousandths day
Flat weighing obtains；After ω 2- samplings in upwind air granule sampler 4 filter membrane quality, weighed by ten a ten thousandth balances
Obtain；The quality of blank filter membrane, is weighed by ten a ten thousandth balances and obtained in the front lower wind direction air granule sampler 3 of ω 3- samplings
；The quality of ω 4- filter membranes in lower wind direction air granule sampler 3 after sampling, is weighed by ten a ten thousandth balances and obtained；
EFi- emission factor；The upper surface area of S- sample cells；The T- sampling times.
Step 4.2, calculating discharge quantity of particulate matter M：
Emission factor EFiWith actual cultivated area S0Product be discharge quantity of particulate matter M.Under discharge quantity of particulate matter M passes through
Formula determines：
M=S0×EFi
In formula：S0- actual cultivated area；M-discharge quantity of particulate matter；EFi- emission factor (under the conditions of current test).
Embodiment 3：
The analogue means discharged using the research soil particle thing described in embodiment 1 carries out studying what soil particle thing was discharged
Method, comprises the following steps：
Step 1, sample is positioned in sample cell 15, agitated device 14 is stirred to be turned over process with simulating agricultural land, is stirred
The mixing speed of device 14 is mixed for 0r/min.
Step 2, the air-out wind speed of wind deflector 11 of air intake of analogue means main body 18 is controlled to be respectively by control cabinet 5
0m/s、0.5m/s、1.0m/s、1.5m/s、2.0m/s、2.5m/s、3.0m/s.Regulation wind direction regulating valve 2 can change wind deflector 11
Air-out wind direction, realizes air-out wind direction parallel to sample cell 15；
The rainfall and rain time for controlling rainfall pipe 12 by control cabinet 5 are 0；
13 intensities of illumination are looked after by the control light of control cabinet 5 and the time is 0.
Step 3, treat the Wind Field of analogue means main body 18 stabilization, by upwind air granule sampler 4 and lower wind direction
Air granule sampler 3 gathers gas containing particulate matter before and after turning over.
Step 4, calculating discharge quantity of particulate matter.
Step 4 as described above is comprised the steps of：
Step 4.1, determine emission factor EFi
Emission factor EFiIt is discharge quantity of particulate matter on unit chronomere farmland area, is determined by following formula：
In formula:The quality of blank filter membrane in the preceding upwind air granule sampler 4 of ω 1- samplings, by ten a ten thousandths day
Flat weighing obtains；After ω 2- samplings in upwind air granule sampler 4 filter membrane quality, weighed by ten a ten thousandth balances
Obtain；The quality of blank filter membrane, is weighed by ten a ten thousandth balances and obtained in the front lower wind direction air granule sampler 3 of ω 3- samplings
；The quality of ω 4- filter membranes in lower wind direction air granule sampler 3 after sampling, is weighed by ten a ten thousandth balances and obtained；
EFi- emission factor；The cross-sectional area of S- sample cells；The T- sampling times.
Step 4.2, calculating discharge quantity of particulate matter M
Emission factor EFiWith actual cultivated area S0Product be discharge quantity of particulate matter M.Under discharge quantity of particulate matter M passes through
Formula determines：
M=S0×EFi
In formula：S0- actual cultivated area；M-discharge quantity of particulate matter；EFi- emission factor (under the conditions of current test).
Upwind air granule sampler 4 and lower wind direction air granule sampler 3 are PM10Air particle is sampled
Device, can both measure PM10Air particle discharge capacity, upwind air granule sampler 4 and lower wind direction air particle are adopted
Sample device 3 is PM2.5Air granule sampler, can both measure PM2.5Air particle discharge capacity.
Specific embodiment described in this specification is only to the utility model spirit explanation for example.This practicality is new
Type person of ordinary skill in the field can make various modifications or supplement or use to described specific embodiment
Similar mode is substituted, but without departing from spirit of the present utility model or surmounts model defined in appended claims
Enclose.
Claims (6)
1. a kind of analogue means for studying the discharge of soil particle thing, including blower fan（1）, it is characterised in that also including analogue means
Main body（18）, analogue means main body（18）One end is air intake, analogue means main body（18）Air intake be provided with wind deflector
（11）, analogue means main body（18）Air intake pass through guide duct（17）It is connected with blower fan, analogue means main body（18）Interior top
Portion is provided with rainfall pipe（12）Looked after with light（13）, analogue means main body（18）Interior bottom is provided with sample cell（15）, sample
Groove（15）Inside it is provided with agitator（14）, sample cell（15）Bottom be provided with bottom land leaking hole, analogue means main body（18）'s
Bottom is provided with filter（16）, analogue means main body（18）Bottom is provided with and filter（16）The bottom leaking hole of connection,
Filter（16）On be provided with drainpipe（9）, analogue means main body（18）Two ends be respectively arranged with upwind air particles
Thing sampler（4）With lower wind direction air granule sampler（3）.
2. the analogue means that a kind of research soil particle thing according to claim 1 is discharged, it is characterised in that described leads
Aerofoil（11）Including several wind blades for setting gradually from top to bottom（19）, wind blade（19）With wind direction regulating valve（2）
Connection.
3. the analogue means that a kind of research soil particle thing according to claim 2 is discharged, it is characterised in that described drop
Rain pipe（12）With water pump（10）Connection.
4. the analogue means that a kind of research soil particle thing according to claim 3 is discharged, it is characterised in that also including dividing
Not and blower fan（1）, water pump（10）, light looks after（13）, agitator（14）The control cabinet of connection（5）.
5. the analogue means that a kind of research soil particle thing according to claim 4 is discharged, it is characterised in that described mould
Intend apparatus main body（18）, blower fan（1）, control cabinet（5）It is arranged at moving support（6）On.
6. the analogue means that a kind of research soil particle thing according to claim 1 is discharged, it is characterised in that described mould
Intend apparatus main body（18）Sidepiece be provided with handle hole（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020613.0U CN206311472U (en) | 2017-01-09 | 2017-01-09 | A kind of analogue means for studying the discharge of soil particle thing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020613.0U CN206311472U (en) | 2017-01-09 | 2017-01-09 | A kind of analogue means for studying the discharge of soil particle thing |
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| Publication Number | Publication Date |
|---|---|
| CN206311472U true CN206311472U (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720020613.0U Expired - Fee Related CN206311472U (en) | 2017-01-09 | 2017-01-09 | A kind of analogue means for studying the discharge of soil particle thing |
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| CN (1) | CN206311472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840986A (en) * | 2017-01-09 | 2017-06-13 | 华中农业大学 | A kind of analogue means and method for studying the discharge of soil particle thing |
-
2017
- 2017-01-09 CN CN201720020613.0U patent/CN206311472U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840986A (en) * | 2017-01-09 | 2017-06-13 | 华中农业大学 | A kind of analogue means and method for studying the discharge of soil particle thing |
| CN106840986B (en) * | 2017-01-09 | 2023-04-14 | 华中农业大学 | Simulation device and method for researching soil particulate matter emission |
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| 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: 20170707 Termination date: 20190109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |