CN208345915U - A kind of Multifunctional adjustable PRB laboratory testing rig - Google Patents
A kind of Multifunctional adjustable PRB laboratory testing rig Download PDFInfo
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- CN208345915U CN208345915U CN201820437671.8U CN201820437671U CN208345915U CN 208345915 U CN208345915 U CN 208345915U CN 201820437671 U CN201820437671 U CN 201820437671U CN 208345915 U CN208345915 U CN 208345915U
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- inlet pipe
- sump
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- sewage
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Abstract
The utility model discloses a kind of Multifunctional adjustable PRB laboratory testing rig, including bracket, Ma Liaote bottles, sump, means of locomotion and prosthetic device；Branch is erected at sump side, means of locomotion front end is communicated with another side bottom of sump, rear end is communicated with prosthetic device, Ma Liaote bottles are fixed by the bracket above sump, Ma Liaote bottles include that sewage holds water bottle, air inlet pipe, water inlet pipe and outlet pipe, water inlet pipe, which is located at sewage, to be held in water bottle upper portion side wall, water inlet pipe is equipped with inlet valve, outlet pipe and air inlet pipe are arranged in parallel, top is protruded into sewage and is held in water bottle, bottom end is protruded into sump, and sewage holds the outlet pipe in water bottle between sump and is equipped with flowing water Valve；Water inlet pipe horizontal position is lower than air inlet pipe top, and outlet pipe bottom end is lower than air inlet pipe bottom end.The utility model can study the migration rule of different groundwater pollutants in different media；It can reparation feature and effect of the Study of The Underground water pollutant under different recovery techniques.
Description
Technical field
The utility model relates to Contaminants Transport rule in underground water and the experimental rigs of recovery technique research, specifically
A kind of Multifunctional adjustable PRB laboratory testing rig.
Background technique
Underground water pollution refers mainly to mankind's activity and chemical composition of groundwater, physical property and biological characteristics is caused to change
The phenomenon that becoming and making groundwater quality change.The following complex formation of earth's surface, Groundwater Flow is extremely slow, and therefore, underground water is dirty
Dye has the characteristics that process is slow, is not easy to find and be difficult to administer.Underground water is once contaminated, even if thoroughly eliminating its pollution
Source, also more than ten years or even decades can just be such that water quality restores.
Currently, the country causes seriously the use of groundwater resources there are a large amount of soil and groundwater contaminated site
Threaten, make natively insufficient groundwater resources become deficienter, so, the control of underground water pollution and control are compeled
The eyebrows and eyelashes.The reparation of underground water pollution is the completely new and extremely challenging important topic that we face, and needs to carry out multidisciplinary friendship
Fork and research cooperation.It is for a long time, domestic that main attention and research, control are concentrated in the pollution of surface water,
It has put into a large amount of man power and material and has carried out the prevention and treatment of surface water pollution, and achieved certain effect.And underground water pollution by
It in its concealment, complexity, is difficult to control and administers difficult characteristic and high improvement, rehabilitation expense, so that underground water
The reparation of pollution has just been unfolded at home.The reparation level of domestic underground water pollution and World Developed Countries have non-often apparent
Gap, for example, the assessment of organic pollutant has become underground water and soil pollution reparation most in the whole world at present with improvement
One of major subjects, however the research of transmission (multiphase flow) mechanism of domestic organic pollutant in body of groundwater is also in just
Starting stage.Currently, groundwater remediation technology includes: extracting and processing method (Pump and Treat), contaminated soil gas phase
Extraction method (Soil Vapor Extraction, abbreviation SVE), microorganism degassing method (Bioventing), air agitation method (Air
Sparging), permeable reactive barrier (Permeable Reactive Barrier, abbreviation PRB), electrodynamic method
(ElectroKinetics), situ heat treatment process (In-Situ Thermal Remediation), microbiological treatment
(Biodegradation)。
Utility model content
Purpose of utility model: to overcome the shortcomings of the existing technology, realizing Transport of Groundwater Pollution rule and realizing that underground water is dirty
The research of repairing and treating is contaminated, the utility model provides a kind of research polluted underground water in different medium and different type water-bearing layer
Migration rule and different recovery techniques, groundwater pollutant is in different medium and inhomogeneity in the case of simulating different hydraulic gradients
Migration rule and the different reparation features of recovery technique and the Multifunctional adjustable PRB laboratory test of effect in type water-bearing layer
Device.
Technical solution: in order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of Multifunctional adjustable PRB laboratory testing rig, including bracket, Ma Liaote bottles, sump, means of locomotion
And prosthetic device；The branch is erected at sump side, and means of locomotion front end is communicated with another side bottom of sump, rear end with repair
Apparatus for coating communicates, and Ma Liaote bottles are fixed by the bracket above sump and communicate with sump, and Ma Liaote bottles include dirt
Water capacity water bottle, air inlet pipe, water inlet pipe and outlet pipe, water inlet pipe be located at sewage hold water bottle upper portion side wall on, water inlet pipe be equipped with into
Penstock, outlet pipe and air inlet pipe are arranged in parallel, and top is protruded into sewage and held in water bottle, and bottom end is protruded into sump, and sewage holds
Outlet pipe in water bottle between sump is equipped with flowing water Valve；Water inlet pipe horizontal position is lower than air inlet pipe top, outlet pipe
Bottom end is lower than air inlet pipe bottom end.
Above-mentioned outlet pipe top is slightly above sewage and holds water bottle bottom, and air inlet pipe apical position is higher than sewage and holds the water surface in water bottle
Highly, air inlet pipe needs to adjust air inlet pipe bottom position according to actual tests, realizes the different water of simulation to adjust test head
The size of force gradient；It is front end that above-mentioned means of locomotion, which closes on sump one end,.
Working principle: the utility model Multifunctional adjustable PRB laboratory testing rig is in use, Ma Liaote bottles enterprising
The mouth of a river is connect with water inlet pipe, for into sewage, sewage to enter height of water level in sewage appearance water bottle and is slightly below height at the top of air inlet pipe
After degree, stop water inlet, close inlet valve, by adjusting air inlet pipe bottom level, adjusts test head to realize that simulation is different
The size of hydraulic gradient；Flowing water Valve is opened, water flow enters sump, when the water surface and fair air inlet bottom of the tube, no longer intakes,
Head is fixed；The Ma Liaote bottle of the application has used Ma Liaote bottles of principles.
The bracket is rectangular frame, is located at sewage and holds on the middle line of water bottle a side and perpendicular to ground；It can be convenient
Fixed sewage holds water bottle.
The means of locomotion includes fixing filter plate, the first waterproof cover board, media slot and thief hatch, medium front of the slot and dirt
Sink communicates, and fixed filter plate is located at media slot and sump interconnecting piece, and the first waterproof cover board is located at the top of media slot, thief hatch
It is located at medium groove sidewall；It can be sampled by thief hatch, detect pollutant concentration in sewage.
Medium is equipped in the media slot, medium is fissuted medium or pore media, and pore media is different-grain diameter, hole
Sandy soil, the cohesive soil of degree；The migration rule of different groundwater pollutants in different media can be developed.
The medium is aeration zone water-bearing layer, phreatic aquifer or confined aquifer；Different underground water pollutions can be studied
Migration rule of the object in different type water-bearing layer.
The prosthetic device includes moving filter plate, the second waterproof cover board, permeable reactive tank and sample tap, permeable
Reactive tank is communicated with media slot rear end, and removable filter plate is located at permeable reactive tank and media slot interconnecting piece, the second impermeable water cover
Plate is located at the top of permeable reactive tank, and sample tap is located at permeable reaction groove sidewall；It can be situated between by adjusting removable filter plate and adjusting
Matter slot and the mutual amount of capacity of permeable reactive tank, can sample in sample tap, detection pollutant concentration in sewage after repairing,
To simulate and study the reparation feature and effect of different Remedy Technology of Contaminated Groundwater.
It is preferred that filling groundwater remediation agent and adsorbent material in the permeable reactive tank.
The groundwater remediation agent and adsorbent material include Zero-valent Iron or Zero-valent Iron and active carbon or Zero-valent Iron and corn stalk
Stalk or Zero-valent Iron and cotton；Different types of groundwater remediation agent and adsorbent material can be simulated.
The utility model has the advantages that the utility model structure is simple, easy to operate, the air inlet pipe height being adjustable in sump is changeable
The size of hydraulic gradient, to study the fortune of different groundwater pollutants in different media in the case of simulating different hydraulic gradients
Move rule；Media slot and the mutual amount of capacity of permeable reactive tank can be adjusted by adjusting removable filter plate, thus Study of The Underground
Reparation feature and effect of the water pollutant under different recovery techniques.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the experiment process figure of the utility model.
Specific embodiment
Embodiment 1
As shown in Figs. 1-2, a kind of Multifunctional adjustable PRB laboratory testing rig, including bracket 5, Ma Liaote bottles, dirt
Sink 9, means of locomotion and prosthetic device；The bracket 5 is located at 9 side of sump, means of locomotion front end and 9 other side of sump
Bottom communicates, and rear end is communicated with prosthetic device, Ma Liaote bottles by bracket 5 be fixed on the top of sump 9 and with 9 phase of sump
Logical, Ma Liaote bottles include that sewage holds water bottle 1, air inlet pipe 2, water inlet pipe 3 and outlet pipe 8, and water inlet pipe 3 is located at sewage and holds water bottle 1
In upper portion side wall, water inlet pipe 3 is equipped with inlet valve 4, and outlet pipe 8 and air inlet pipe 2 are arranged in parallel, and sewage appearance is protruded on top
In water bottle 1, bottom end is protruded into sump 9, and sewage holds the outlet pipe 8 in water bottle 1 between sump 9 and is equipped with flowing water Valve
6；3 horizontal position of water inlet pipe is lower than 2 top of air inlet pipe, and 8 bottom end of outlet pipe is lower than 2 bottom end of air inlet pipe；Bracket 5 is rectangle frame
Frame is located at sewage and holds on the middle line of 1 a side of water bottle and perpendicular to ground；Means of locomotion includes that fixed filter plate 10, first is impermeable
Water cover plate 7, media slot 11 and thief hatch 12,11 front end of media slot are communicated with sump 9, and fixed filter plate 10 is located at media slot 11
With 9 interconnecting piece of sump, the first waterproof cover board 7 is located at 11 top of media slot, and thief hatch 12 is located at 11 side wall of media slot；Medium
Medium is equipped in slot 11, medium is fissuted medium or pore media, and pore media is different-grain diameter, the sandy soil of porosity, glues
Property soil；Medium is aeration zone water-bearing layer, phreatic aquifer or confined aquifer；Prosthetic device includes removable filter plate 13, the
Two waterproof cover boards 16, permeable reactive tank 14 and sample tap 15, permeable reactive tank 14 are communicated with 11 rear end of media slot, can
Mobile filter plate 13 is located at permeable reactive tank 14 and 11 interconnecting piece of media slot, and the second waterproof cover board 16 is located at permeable reactive tank
14 tops, sample tap 15 are located at permeable 14 side wall of reactive tank；Filling groundwater remediation agent and absorption in permeable reactive tank 14
Material；Groundwater remediation agent and adsorbent material include Zero-valent Iron.
The utility model Multifunctional adjustable PRB laboratory testing rig in use, on Ma Liaote bottle water inlet with into
Water pipe 3 connects, and for into sewage, sewage, which enters sewage, to be held after height of water level is slightly below 2 overhead height of air inlet pipe in water bottle 1,
Stop water inlet, close inlet valve 4, by adjusting 2 bottom level of air inlet pipe, adjusts test head to realize the different waterpower of simulation
The size of gradient；Flowing water Valve 6 is opened, water flow enters sump 9, when the water surface and fair 2 bottom of air inlet pipe, no longer intakes,
Head is fixed；The Ma Liaote bottle of the application has used Ma Liaote bottles of principles.
Bracket 5 is rectangular frame, is located at sewage and holds on the middle line at 1 back side of water bottle and perpendicular to ground, with three nails
Fixed, bracket 5 is for fixing whole device.When test, firstly, opening inlet valve 4, sewage, which is flowed into sewage from water inlet, to be held
Water bottle 1, when sewage enter sewage hold water bottle 1 in height of water level be slightly below 2 overhead height of air inlet pipe after, stop water inlet, close
Inlet valve 4 adjusts test head by adjusting 2 bottom level of air inlet pipe to realize the size for simulating different hydraulic gradients；It beats
Penstock 6 is outputed, water flow enters sump 9, and then, sewage enters media slot 11 by filter plate, and medium can be in media slot 11
It is the pore medias such as different-grain diameter, the sandy soil of porosity, cohesive soil, can be fissuted medium, is also possible to different type and contains
Water layer samples in thief hatch 12, pollutant concentration in sewage is detected, to study different groundwater pollutants in different media
Migration rule.Finally, sewage enters permeable reactive tank 14 by removable filter plate 13, can be filled in permeable reactive tank 14
The groundwater remediation agent comprising Zero-valent Iron and adsorbent material are filled out, adjusts media slot 11 and permeable by adjusting removable filter plate 13
The mutual amount of capacity of reactive tank 14 samples at the sample tap 15 being located on permeable reactive tank 14, and detection is dirty after repairing
Water pollutant concentration, to simulate and study the reparation feature and effect of different Remedy Technology of Contaminated Groundwater.
The utility model structure is simple, easy to operate, the highly changeable hydraulic gradient of the air inlet pipe 2 being adjustable in sump 9
The size of degree, to study the migration rule of different groundwater pollutants in different media in the case of simulating different hydraulic gradients
Rule；Media slot 11 and the mutual amount of capacity of permeable reactive tank 14 can be adjusted by adjusting removable filter plate 13, to study ground
Reparation feature and effect of the lower water pollutant under different recovery techniques.
The unmentioned technology of the utility model is the prior art.
Embodiment 2
It is substantially the same manner as Example 1, except that: groundwater remediation agent and adsorbent material include Zero-valent Iron and activity
Charcoal.
Embodiment 3:
It is substantially the same manner as Example 1, except that: groundwater remediation agent and adsorbent material include Zero-valent Iron and corn stalk
Stalk.
Embodiment 4:
It is substantially the same manner as Example 1, except that: groundwater remediation agent and adsorbent material include Zero-valent Iron and cotton.
Claims (8)
1. a kind of Multifunctional adjustable PRB laboratory testing rig, it is characterised in that: including bracket (5), Ma Liaote bottles, dirt
Sink (9), means of locomotion and prosthetic device；The bracket (5) is located at sump (9) side, means of locomotion front end and sump
(9) another side bottom communicates, and rear end is communicated with prosthetic device, and Ma Liaote bottles are fixed on above sump (9) by bracket (5)
And communicated with sump (9), Ma Liaote bottles include that sewage holds water bottle (1), air inlet pipe (2), water inlet pipe (3) and outlet pipe (8),
Water inlet pipe (3) be located at sewage hold water bottle (1) upper portion side wall on, water inlet pipe (3) be equipped with inlet valve (4), outlet pipe (8) and into
Tracheae (2) is arranged in parallel, and top is protruded into sewage and held in water bottle (1), and bottom end is protruded into sump (9), and sewage holds in water bottle (1)
Outlet pipe (8) between sump (9) is equipped with flowing water Valve (6)；It is pushed up lower than air inlet pipe (2) water inlet pipe (3) horizontal position
End, outlet pipe (8) bottom end are lower than air inlet pipe (2) bottom end.
2. Multifunctional adjustable PRB laboratory testing rig according to claim 1, it is characterised in that: the bracket (5)
For rectangular frame, it is located at sewage and holds on the middle line of water bottle (1) a side and perpendicular to ground.
3. Multifunctional adjustable PRB laboratory testing rig according to claim 1, it is characterised in that: the migration dress
Set including fixed filter plate (10), the first waterproof cover board (7), media slot (11) and thief hatch (12), media slot (11) front end and
Sump (9) communicates, and fixed filter plate (10) are located at media slot (11) and sump (9) interconnecting piece, and the first waterproof cover board (7) sets
At the top of media slot (11), thief hatch (12) is located at media slot (11) side wall.
4. Multifunctional adjustable PRB laboratory testing rig according to claim 3, it is characterised in that: the media slot
(11) medium is equipped in, medium is fissuted medium or pore media, and pore media is different-grain diameter, the sandy soil of porosity, glues
Property soil.
5. Multifunctional adjustable PRB laboratory testing rig according to claim 4, it is characterised in that: the medium is
Aeration zone water-bearing layer, phreatic aquifer or confined aquifer.
6. according to Multifunctional adjustable PRB laboratory testing rig described in claim 3-5 any one, it is characterised in that:
The prosthetic device includes removable filter plate (13), the second waterproof cover board (16), permeable reactive tank (14) and sample tap
(15), permeable reactive tank (14) communicates with media slot (11) rear end, and removable filter plate (13) are located at permeable reactive tank (14)
With media slot (11) interconnecting piece, the second waterproof cover board (16) is located at the top of permeable reactive tank (14), and sample tap (15) is located at
Permeable reactive tank (14) side wall.
7. Multifunctional adjustable PRB laboratory testing rig according to claim 6, it is characterised in that: described permeable
Filling groundwater remediation agent and adsorbent material in reactive tank (14).
8. Multifunctional adjustable PRB laboratory testing rig according to claim 7, it is characterised in that: the underground water
Renovation agent and adsorbent material include Zero-valent Iron or Zero-valent Iron and active carbon or Zero-valent Iron and corn stover or Zero-valent Iron and cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437671.8U CN208345915U (en) | 2018-03-29 | 2018-03-29 | A kind of Multifunctional adjustable PRB laboratory testing rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437671.8U CN208345915U (en) | 2018-03-29 | 2018-03-29 | A kind of Multifunctional adjustable PRB laboratory testing rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208345915U true CN208345915U (en) | 2019-01-08 |
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ID=64885453
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820437671.8U Expired - Fee Related CN208345915U (en) | 2018-03-29 | 2018-03-29 | A kind of Multifunctional adjustable PRB laboratory testing rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208345915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298733A (en) * | 2018-03-29 | 2018-07-20 | 河海大学 | A kind of Multifunctional adjustable PRB laboratory testing rigs |
-
2018
- 2018-03-29 CN CN201820437671.8U patent/CN208345915U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298733A (en) * | 2018-03-29 | 2018-07-20 | 河海大学 | A kind of Multifunctional adjustable PRB laboratory testing rigs |
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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: 20190108 Termination date: 20200329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |