CN207636588U - It is a kind of to simulate the device that soil pollution discharges under different soils environmental condition - Google Patents
It is a kind of to simulate the device that soil pollution discharges under different soils environmental condition Download PDFInfo
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- CN207636588U CN207636588U CN201721749062.8U CN201721749062U CN207636588U CN 207636588 U CN207636588 U CN 207636588U CN 201721749062 U CN201721749062 U CN 201721749062U CN 207636588 U CN207636588 U CN 207636588U
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Abstract
The utility model discloses the devices that soil pollution under a kind of simulation different soils environmental condition discharges, including at least one sample jar for loading pedotheque, water-distributing device is equipped in sample jar, the bottom of sample jar is equipped with liquid outlet, air inlet pipe is communicated on the downside of sample jar, the input end of air inlet pipe is equipped with gas generating unit, and gas flowmeter, gas temperature regulating device and the wet device of gas control are in series in air inlet pipe.The release of pollutant under water-distributing device simulation spray or condition of raining, the air pressure in sample jar is adjusted by pressure system, the edaphic condition under condition of different temperatures is simulated by gas temperature regulating device, passes through the edaphic condition under the conditions of the wet unit simulation different humidity of gas temperature control；After gas temperature regulating device and the wet device of gas control are arranged in series, a variety of soil environment conditions such as dry and cold, clammy, xeothermic, damp and hot, anaerobism, aerobic can be even more simulated.This utility model is used for pollutant simulation test field.
Description
Technical field
The utility model is related to pollutant simulation test fields, more particularly under a kind of simulation different soils environmental condition
The device of soil pollution release.
Background technology
Pollutant and underground water, pollution of food chain risk in soil, deposit is closely coupled, release, Transport And Transformation
Behavior is widely paid close attention to.Release, migration and the conversion behavior of pollutant are influenced by a series of soil environment factors, main
To include the soil texture, pH value, temperature, moisture content, soil gas type and content etc..Although the environmental factor of soil there is
Unstability, but the environment of pollutant in soil release, migration and conversion is most suitable for by research, it can be changed in contaminated soil
The content of pollutant improves environmental quality.It goes with conversion to accurately grasp release, migration of the pollutant in soil environment
Environmental simulation is carried out to soil to usually require to carry out native fish simulation test, and is drawn a conclusion within the shorter period.
The experiment device of existing research pollutant release, the often single experimental situation condition of simulation, such as soil
The influence of temperature, influence of the soil texture etc..However, soil is by solid phase particles (minerals and organic matter), moisture and gas
Etc. material compositions sufficiently complex system, the soil water, air and heat situation and non-orphaned exist, but connect each other, mutually restrict
, wherein the variation of a certain factor, may all cause the respective change of other factors, and these variations will cause soil dirty
The respective change of object release, migration and conversion is contaminated, therefore, single environment condition is only considered and ignores a variety of soil environment factors
Interaction, it is difficult in simulating natural environment under varying environment Effects of Factors soil pollutant release, migration with conversion difference.
Utility model content
The device that soil pollution discharges under different soils environmental condition is simulated the purpose of this utility model is to provide a kind of,
With simulate under the different soils environmental condition that the water such as dry and cold, clammy, xeothermic, damp and hot, rainfall, anaerobism, aerobic, heat, gas form with
And under different soils environmental condition alternating action, the behaviors such as pollutant concentration variation and migration release in soil.
Technical solution adopted in the utility model is：
It is a kind of to simulate the device that soil pollution discharges under different soils environmental condition including at least one for loading soil
The sample jar of sample is equipped with water-distributing device in sample jar, and the bottom of sample jar is equipped with liquid outlet, be communicated on the downside of sample jar into
The input end of tracheae, air inlet pipe is equipped with gas generating unit, and it is gentle to be in series with gas flowmeter, gas temperature regulating device in air inlet pipe
The wet device of body control.
As the improvement of said program, water-distributing device includes the water inlet pipe of nozzle and connection nozzle, and nozzle is in sample jar
Internal upside, water inlet pipe are equipped with fluid flowmeter and water pump.
As the improvement of said program, sample jar is communicated with air-pressure duct, and air-pressure duct, which is equipped with, to be adjusted inside sample jar
The pressure system of air pressure.
As the improvement of said program, pressure system includes air pump and absorption bottle, and absorption bottle is inserted into one end of air-pressure duct
Liquid level under, air pump be connected to absorption bottle.
As the improvement of said program, gas temperature regulating device includes shell and is located at the nozzle at shell head and the tail both ends, side
Nozzle be equipped with valve, through there is heat exchanger tube in shell, heat exchange fin is equipped on one in shell section heat exchanger tube.
As the improvement of said program, the wet device of gas control includes pipeline and two shells parallel with one another, two housings
Inlet side is equipped with valve, is placed with drier in a shell, sprayer is placed in another shell.
It is gentle that gas humidity sensor, gas temperature sensor are also in series with as the improvement of said program, in air inlet pipe
Pump, sample jar is interior to be equipped with baroceptor, gas humidity sensor, gas temperature sensor, baroceptor, air pump and water pump
It is electrically connected computer.
It is laminated from top to bottom as the improvement of said program, in sample jar and is placed with separation layer and pedotheque, in sample jar
Several sensors for detecting temperature, humidity, pH value and oxidation-reduction potential are set gradually from top to bottom, and each sensor is electric
Connect computer.
As the improvement of said program, liquid outlet is equipped with valve, and the lower section of liquid outlet is equipped with receiving flask, and receiving flask is communicated with
Air pump, the air pump are electrically connected computer.
The beneficial effects of the utility model：The device that soil pollution discharges under this simulation different soils environmental condition passes through cloth
The release of pollutant under water installations simulation spray or rainfall, adjusts the air pressure in sample jar, in air inlet by pressure system
Gas generating unit is arranged in the front end of pipe, for generating aerobic or anaerobic gas, simulates aerobic environment or anaerobic environment；Pass through gas
Body temperature regulating device simulates the soil environment under condition of different temperatures, under the conditions of the wet unit simulation different humidity of gas temperature control
Soil environment；After gas temperature regulating device and the wet device of gas control are arranged in series, can even more simulate it is dry and cold, clammy, xeothermic,
A variety of soil environment conditions such as damp and hot, anaerobism, aerobic；It is wet for water-distributing device, pressure system, gas temperature regulating device and gas control
The multiple combinations of device can also become a variety of different soil environment conditions that swap out.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the schematic diagram of whole device；
Fig. 2 is a kind of schematic diagram of gas temperature regulating device.
Specific implementation mode
Referring to Figures 1 and 2, the utility model is a kind of dress for simulating soil pollution release under different soils environmental condition
It sets, including at least one sample jar 1 for loading pedotheque 2.Water-distributing device, the bottom of sample jar 1 are equipped in sample jar 1
Equipped with liquid outlet, the downside of sample jar 1 is communicated with air inlet pipe 51, and the input end of air inlet pipe 51 is equipped with gas generating unit 50, gas
Body generating means 50 commercially, for generating anaerobism or aerobic gas；Be in series in air inlet pipe 51 gas flowmeter 54,
Gas temperature regulating device 53 and the wet device of gas control 52.Liquid outlet is equipped with valve, and the lower section of liquid outlet is equipped with receiving flask 9.More
Sample jar 1 is then aligned on holder, and then air inlet pipe 51 and water inlet pipe 42 form branch in output end and be connected to each sample
Tank 1, multiple sample jars 1 form lateral control experiment.
Receiving flask 9 is equipped with air pump 6, and air pump 6 generates negative pressure in receiving flask 9, can assist accelerating leaching process.
Stacking is placed with separation layer 3 and pedotheque 2 from top to bottom in sample jar 1, is set gradually from top to bottom in sample jar 1
Several sensors for detecting temperature, humidity, pH value and oxidation-reduction potential, each sensor are electrically connected computer.
Water-distributing device includes the water inlet pipe 42 of nozzle 41 and connection nozzle 41, and one end of water inlet pipe 42 is connected into fluid reservoir 44,
Nozzle 41 is in the upside inside sample jar 1, and water inlet pipe 42 is equipped with fluid flowmeter 43 and water pump 7.
Sample jar 1 is communicated with air-pressure duct 91, and air-pressure duct 91 is equipped with the pressure system for adjusting 1 air pressure inside of sample jar
System.Pressure system includes air pump 6 and absorption bottle 8, and water or other liquid are put into absorption bottle 8, and one end of air-pressure duct 91 is inserted
Under the liquid level for entering absorption bottle 8, air pump 6 is connected to absorption bottle 8.The design of absorption bottle 8 can be used for capturing effumability pollutant；
Air pump 6 at this can assist accelerating air pressure balance process.
Gas temperature regulating device 53 and the wet device 52 of gas control have a various embodiments, in the present embodiment, gas temperature regulating device
53 include shell and the nozzle for being located at shell head and the tail both ends, and the nozzle of side is equipped with valve, and running through in shell has heat exchanger tube,
One section of heat exchanger tube in shell is equipped with heat exchange fin, is used to be passed through heat transferring medium in heat exchanger tube, heat transferring medium is often referred to low temperature
Water or high temperature steam.The wet device 52 of gas control includes pipeline and two shells parallel with one another, the inlet side of two housings
It is equipped with valve, drier is placed in a shell, sprayer is placed in another shell.Gas temperature regulating device 53 is placed
The front of the wet device of gas control 52 makes gas pass through gas temperature regulating device 53 and the wet device 52 of gas control successively, avoids moistening
Gas attack is to gas temperature regulating device 53.
Also be in series with as preferred embodiment, in air inlet pipe 51 gas humidity sensor, gas temperature sensor and
Air pump 6, sample jar 1 is interior to be equipped with baroceptor.Gas humidity sensor, gas temperature sensor, baroceptor and gas
Pump 6, water pump 7 are electrically connected computer.It is natural on computer to have display screen and operation interface.
This simulation different soils environmental condition under samples-soil pollution release device by water-distributing device simulate spray or
The release of pollutant under rainfall；The air pressure in sample jar 1 is adjusted by pressure system；It is generated by gas generating unit 50
Aerobic or anaerobic gas simulates aerobic environment or anaerobic environment；It is simulated under condition of different temperatures by gas temperature regulating device 53
Soil environment passes through the soil environment under the conditions of the wet unit simulation different humidity of gas control；When gas temperature regulating device 53 and gas
It controls after wet device 52 is arranged in series, can even more simulate dry and cold, clammy, xeothermic, damp and hot, anaerobism, aerobic a variety of soil environment items
Part；The multiple combinations of water-distributing device, pressure system, gas temperature regulating device 53 and the wet device of gas control 52 can also be become and swapped out
A variety of soil environment conditions.
One of which simulates the experimental method of the migration situation of soil pollutant under single damp and hot, spray or condition of raining
It is：
1, pedotheque 2 is slowly packed into transparent sample jar 1, it is opposite with humidity that whole device is placed in a temperature
In stable normal temperature and pressure environment, wait for that sample jar 1 reaches equilibrium state with external environment.
2, it is packed into the spray liquid such as deionized water, Simulated Acid Rain, reparation medicament, nutrient solution etc in fluid reservoir 44, opens
The water pump 7 of dynamic water-distributing device, is arranged certain spray rate, so that 2 complete wetting of pedotheque is being sprayed by certain solid-to-liquid ratio
In liquid.After being kept for a period of time, spray liquid is expelled to receiving flask 9 by the valve for opening 1 lower section of sample jar, is measured in receiving flask 9
PH, Eh of liquid, conductivity and pollutant the parameters such as concentration.
3, after filtrate drains, so that the gas in air inlet pipe 51 is passed through sprayer successively and be passed through the heat exchanger tube of thermal medium,
So that gas is reached set temperature, humidity and flow velocity, and pedotheque 2 is allowed to be in certain number of days under hygrothermal environment；It is damp and hot being passed through
During gas, layering at regular intervals acquires conductivity, the pollutant concentration of pedotheque 2 etc. of each layer, and simultaneously
The situation of change of the observational record different depth soil moisture, humidity, pH value and Eh values.
4, air inlet pipe 51 is closed.Water pump 7 is controlled by computer to run, nozzle 41 is uniformly sprayed to spray liquid just now
In pedotheque 2, pedotheque 2 is made to be immersed in spray liquid.Spray liquid is drained into receiving flask 9 after being kept for a period of time, is surveyed
Determine the parameters such as pH value, Eh values, conductivity and the pollutant concentration of the liquid in receiving flask 9.
5, repeat the above steps 3 and step 4, and cycle-index can determine according to actual needs.
Other experimental methods have, and different gas is passed through in air inlet pipe 51 can also simulate anaerobic condition and aerobic item
Part；It when placing oxidating chemicals in fluid reservoir 44, simulates under different soils environmental condition and different soils environment alternating action, soil
The oxidation repairing effect of pollutant in earth sample 2；When placing microbial bacterial agent in fluid reservoir 44, different soils environment item is simulated
Under part and different soils environment alternating action, the microorganism remediation effect of pollutant in pedotheque 2；When placement in fluid reservoir 44
When stabilization agent, simulate under different soils environmental condition and different soils environment alternating action, pollutant in pedotheque 2
Stabilize repairing effect；When placing heavy metal digestion agent in fluid reservoir 44, different soils environmental condition and different soils are simulated
Under environment alternating action, heavy metal is cured in pedotheque 2 or stabilizes the long-acting repairing effect assessment after repairing；Above-mentioned
On the basis of, soil of different nature, the release effect of simulation heterogeneity pollutant in soil can also be added into sample jar 1
Fruit.Above-mentioned experimental program can two two or three 3 ground combination, realize Comprehensive Experiment.
The device can be not only used for the release process of organic pollution and heavy metal in the contaminated soil that do not repair, can also use
The release process and its repairing effect of organic contaminants in soil and heavy metal are assessed after reparation, can be especially directed to using solidification
The long-acting stablizing effect of heavy metal-polluted soil after stabilization processes is assessed.
Certainly, the design creation is not limited to the above embodiment, and the combination of the various embodiments described above different characteristic also may be used
To reach good effect.Those skilled in the art can also make without departing from the spirit of the present invention
It with deformation or replaces, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (9)
1. the device that soil pollution discharges under a kind of simulation different soils environmental condition, it is characterised in that：Including at least one use
In the sample jar (1) for loading pedotheque (2), the sample jar (1) is interior to be equipped with water-distributing device, the bottom of the sample jar (1)
Equipped with liquid outlet, air inlet pipe (51) is communicated on the downside of the sample jar (1), the input end of the air inlet pipe (51) is equipped with gas
It is wet to be in series with gas flowmeter (54), gas temperature regulating device (53) and gas control on the air inlet pipe (51) for generating means (50)
Device (52).
2. the device that soil pollution discharges under simulation different soils environmental condition according to claim 1, it is characterised in that：
The water-distributing device includes the water inlet pipe (42) of nozzle (41) and connection nozzle (41), and the nozzle (41) is in sample jar (1)
Internal upside, the water inlet pipe (42) are equipped with fluid flowmeter (43) and water pump (7).
3. the device that soil pollution discharges under simulation different soils environmental condition according to claim 1 or 2, feature exist
In：The sample jar (1) is communicated with air-pressure duct (91), and the air-pressure duct (91), which is equipped with, adjusts the internal gas of sample jar (1)
The pressure system of pressure.
4. the device that soil pollution discharges under simulation different soils environmental condition according to claim 3, it is characterised in that：
The pressure system includes air pump (6) and absorption bottle (8), and the liquid level of absorption bottle (8) is inserted into one end of the air-pressure duct (91)
Under, air pump (6) the connection absorption bottle (8).
5. the device that soil pollution discharges under simulation different soils environmental condition according to claim 3, it is characterised in that：
The gas temperature regulating device (53) includes shell and is located at the nozzle at shell head and the tail both ends, and the nozzle of side is equipped with valve, institute
It states in shell through there is heat exchanger tube, heat exchange fin is equipped on one in shell section heat exchanger tube.
6. the device that soil pollution discharges under simulation different soils environmental condition according to claim 5, it is characterised in that：
The wet device of gas control (52) includes pipeline and two shells parallel with one another, and the inlet sides of two housings is equipped with valve, and one
It is placed with drier in a shell, sprayer is placed in another shell.
7. the device that soil pollution discharges under simulation different soils environmental condition according to claim 6, it is characterised in that：
Gas humidity sensor, gas temperature sensor and air pump (6), the sample jar (1) are also in series on the air inlet pipe (51)
It is interior to be equipped with baroceptor, the gas humidity sensor, gas temperature sensor, baroceptor, air pump (6) and water pump
(7) it is electrically connected computer.
8. the device that soil pollution discharges under simulation different soils environmental condition according to claim 7, it is characterised in that：
Stacking is placed with separation layer (3) and pedotheque (2) from top to bottom in the sample jar (1), and the sample jar (1) is interior from top to bottom
Several sensors for detecting temperature, humidity, pH value and oxidation-reduction potential are set gradually, each sensor is electrically connected calculating
Machine.
9. the device that soil pollution discharges under simulation different soils environmental condition according to claim 3, it is characterised in that：
The liquid outlet is equipped with valve, and the lower section of the liquid outlet is equipped with receiving flask (9), and the receiving flask (9) is communicated with air pump (6),
The air pump (6) is electrically connected computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749062.8U CN207636588U (en) | 2017-12-13 | 2017-12-13 | It is a kind of to simulate the device that soil pollution discharges under different soils environmental condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749062.8U CN207636588U (en) | 2017-12-13 | 2017-12-13 | It is a kind of to simulate the device that soil pollution discharges under different soils environmental condition |
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| CN207636588U true CN207636588U (en) | 2018-07-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976527A (en) * | 2017-12-13 | 2018-05-01 | 广东省环境科学研究院 | It is a kind of to simulate the device that soil pollution discharges under different soils environmental condition |
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2017
- 2017-12-13 CN CN201721749062.8U patent/CN207636588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976527A (en) * | 2017-12-13 | 2018-05-01 | 广东省环境科学研究院 | It is a kind of to simulate the device that soil pollution discharges under different soils environmental condition |
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