CN207086560U - Chemical leaching assisted in situ repairs integrated apparatus - Google Patents
Chemical leaching assisted in situ repairs integrated apparatus Download PDFInfo
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- CN207086560U CN207086560U CN201720808793.9U CN201720808793U CN207086560U CN 207086560 U CN207086560 U CN 207086560U CN 201720808793 U CN201720808793 U CN 201720808793U CN 207086560 U CN207086560 U CN 207086560U
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Abstract
It the utility model is related to a kind of chemical leaching assisted in situ and repair integrated apparatus；Including liquid reserve tank, force (forcing) pump, sleeve and the Vacuum suction pump being sequentially connected；Sleeve is made up of the hollow outer barrel and cylindrical, hollow inner cylinder of reverse frustoconic, outer barrel and the same bottom of inner cylinder, annular leacheate pipeline and the cover positioned at the leacheate insides of pipes is provided with the top of inner cylinder, leacheate pipeline is provided with leacheate import and ring sets some spray holes；Inner cylinder side wall ring sets some micropores, and the top of space between inner cylinder and outer barrel exports provided with leacheate, and leacheate outlet is connected with the inlet channel of Vacuum suction pump；Rotary shaft is provided among inner cylinder, the rotary shaft is removably connected with cover, and the rotary shaft is provided with screw blade；Outer barrel lateral wall helical disk is wound with spiral salient component, on the spiral salient component perpendicular to inner cylinder axial direction position be blade-like.Dress table of the present utility model can easily screw in contaminated soil, and carry out elution in situ and in-situ immobilization operation.
Description
Technical field
The utility model belongs to field of environment engineering technology, and in particular to a kind of chemical leaching assisted in situ repairs integration
Device.
Background technology
As industrialzation and urbanization is fast-developing, " three wastes " material being discharged into environment is growing day by day, soil pollution
Show multi-source, compound, quantity is big, area is wide, the contamination characteristics of strong toxicity determine the mistake of soil environment rehablitation project
Journey complexity and arduous task.
Physics, chemistry and biological method are mainly combined multiple to repair jointly by the method for combined contamination soil reparation
Close contaminated soil.Combined remediation technology is actually a kind of reparation means maximized favourable factors and minimized unfavourable ones, and the combination of two kinds of restorative procedures is not only
Reparation speed and the efficiency to Single Pollution soil are improved, and can also be repaired as caused by multiple pollutant synergy
Combined pollution.The important research content in soil restoring technology is turned at present.
But there is many deficiencies in currently used contaminated soil remediation device, significantly limit combined contamination soil and repair
The development of recovering technology.
Found by the retrieval to prior art, Authorization Notice No. is that CN205357024U utility model patent discloses
A kind of reversely washed off soil repair system, but the ring waste after eluting is difficult to reclaim, and easily causes the secondary dirt to soil
Dye.Authorization Notice No. is that CN206168940U utility model patent discloses a heavy metal species soil repair system, including comprehensive
Close and repair case, reservoir, reservoir is used to hold reparation liquid, and the work for being used for holding heavy metal soil is provided with comprehensive repair case
Groove, the both ends of work nest are respectively arranged to apply the heavy metal soil in work nest the negative electrode and anode of electric field, its middle-jiao yang, function of the spleen and stomach
Pole also electrically connects with the reparation liquid in reservoir, and the top of comprehensive repair case is provided with the spray equipment communicated with reservoir；However,
It needs to collect contaminated soil to being handled again in comprehensive repair case, i.e., can not realize in-situ immobilization, this is also greatly limited
Its application is made.
Utility model content
The purpose of this utility model is that providing a kind of chemical leaching assisted in situ repairs integrated apparatus.
The purpose of this utility model is achieved through the following technical solutions：
It the utility model is related to a kind of chemical leaching assisted in situ and repair integrated apparatus；Described device includes being sequentially connected
Liquid reserve tank, force (forcing) pump, sleeve and Vacuum suction pump；The sleeve by reverse frustoconic hollow outer barrel and cylindrical, hollow inner cylinder
Composition, the same bottom of outer barrel and inner cylinder, the inner cylinder top are provided with annular leacheate pipeline and positioned at the leacheate insides of pipes
Cover, the leacheate pipeline is provided with leacheate import and ring and sets some spray holes, the leacheate import and force (forcing) pump water outlet
Pipeline is connected；The inner cylinder side wall ring sets some micropores, and the top of space between the inner cylinder and outer barrel exports provided with leacheate,
Leacheate outlet is connected with the inlet channel of Vacuum suction pump；Rotary shaft is provided among the inner cylinder, the rotary shaft is detachable
Be connected with cover, the rotary shaft is provided with screw blade；The outer barrel lateral wall helical disk is wound with spiral salient component, the spiral shell
Revolve on raised component perpendicular to inner cylinder axial direction position be blade-like.
Preferably, the outer barrel bottom margin is arranged to blade-like, forms ring cutting part.
Preferably, the interior medial wall of the tube coiling has spiral salient part, on the spiral salient part perpendicular to
The position of inner cylinder axial direction is blade-like.
Preferably, described device also includes driving the rotary shaft forward direction, rotates backward or move up and down dynamic
Force mechanisms.
Preferably, described device also includes the devil liquor recovery processing equipment being connected with Vacuum suction pump delivery port.
Preferably, described device also includes applying hopper；Cover is opened, by the hopper of applying toward applying in inner cylinder
Soil-repairing agent.
Preferably, on the inner cylinder lateral wall at micropore covered with filter membrane.
Preferably, described device also includes control cabinet, and the control cabinet is distinguished with force (forcing) pump and Vacuum suction pump
It is connected.
Preferably, high pressure nozzle is installed on the spray hole.
Compared with prior art, the utility model has the advantages that：
1) the utility model provides a kind of chemical leaching assisted in situ and repairs integrated apparatus, and device outer barrel forms inverted round stage
Shape spiral screws in mechanism, it is convenient to screws in contaminated soil and carries out elution in situ and in-situ immobilization；
2) helical blade is additionally provided with the internal rotational axis of the utility model device, after device screws in soil, releases and turns
The connection of moving axis and device cover, by the upper and lower turn rotary shaft, to the crushing to a certain extent of the soil progress in device；
3) leacheate is entered in device under force (forcing) pump pressurization by the spray hole of the leacheate pipeline set at the top of device
Elution processing is carried out in contaminated soil in cylinder to soil, after eluting 1-2 hours, opens Vacuum suction pump, the waste liquid after elution
By the micropore on inner cylinder be inhaled into device inner/outer tube form vacuum passage in and then be sucked out earth's surface collect subsequently located
Reason；
4) after elution processing, device for opening cover applies soil in-situ renovation agent, passes through upper and lower turn rotary shaft, realization pair
Soil and renovation agent are uniformly mixed, you can easily realize the in-situ immobilization of soil.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural representation that chemical leaching assisted in situ repairs integrated apparatus；
Fig. 2 is the sectional view that chemical leaching assisted in situ repairs integrated apparatus middle sleeve；
Fig. 3 is the top view that chemical leaching assisted in situ repairs integrated apparatus middle sleeve；
Wherein, 1 is liquid reserve tank, and 2 be force (forcing) pump, and 3 be the first magnetic valve, and 4 be rotary shaft, and 5 be ring cutting part, and 6 be set
Cylinder, 7 be spiral salient component, and 8 be Vacuum suction pump, and 9 be devil liquor recovery processing equipment, and 10 be second solenoid valve, and 11 be control
Case, 12 be outer barrel, and 13 be inner cylinder, and 14 be screw blade, and 15 be micropore, and 16 be spray hole, and 17 be leacheate pipeline, and 18 be elution
Liquid import, 19 be that leacheate exports, and 20 be cover.
Embodiment
The utility model is described in detail with reference to specific embodiment.Following examples will be helpful to this area
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that to ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These belong to the scope of protection of the utility model.
Embodiment 1
The present embodiment is related to a kind of chemical leaching assisted in situ and repairs integrated apparatus, as shown in Figure 1, 2, 3, including successively
Connected liquid reserve tank 1, force (forcing) pump 2, sleeve 6 and Vacuum suction pump 8；The sleeve 6 by reverse frustoconic hollow outer barrel 12 and circle
Cylindrical hollow inner cylinder 13 forms, the 13 same bottom of outer barrel 12 and inner cylinder, and the top of inner cylinder 13 is provided with annular leacheate pipeline 17
With the cover 20 positioned at the inner side of leacheate pipeline 17, the leacheate pipeline 17 is provided with leacheate import 18 and ring sets some sprays
Fluid apertures 16, the leacheate import 18 are connected with the outlet conduit of force (forcing) pump 2；The side wall ring of inner cylinder 13 sets some micropores 15, described
Top of space between inner cylinder 13 and outer barrel 12 is provided with leacheate outlet 19, and leacheate outlet 19 is entered with Vacuum suction pump 8
Waterpipe is connected；Rotary shaft 4 is provided among the inner cylinder 13, the rotary shaft 4 is removably connected with cover 20, the rotary shaft 4
It is provided with screw blade 14；The lateral wall helical disk of outer barrel 12 is wound with spiral salient component 7, is hung down on the spiral salient component 7
Directly in the position of the axial direction of inner cylinder 13 be blade-like.
The first magnetic valve 3, leacheate outlet are provided with the pipeline that leacheate import 18 is connected with the outlet conduit of force (forcing) pump 2
19 pipelines being connected with the inlet channel of Vacuum suction pump 8 are provided with second solenoid valve 10；The device of the present embodiment also includes control
Case 11 processed, the control cabinet 11 are respectively connected with force (forcing) pump 2 and Vacuum suction pump 8, control force (forcing) pump 2, the first magnetic valve 3, true
Empty suction pump 8, the open and close of second solenoid valve 10 (Fig. 1).
In order to more easily screw in sleeve 6 in contaminated soil, as a preferred scheme of the present embodiment, the bottom of outer barrel 12
Portion edge is arranged to blade-like, forms ring cutting part 5 (Fig. 1).
The device of the present embodiment also includes driving the actuating unit that the rotary shaft 4 is positive, rotates backward or moves up and down.
After sleeve 6 screws in contaminated soil, rotary shaft 4 and the connection of device cover 20 are released, is rotated by turn above and below actuating unit
Axle 4, the screw blade 14 set in rotary shaft 4 carry out to a certain extent broken to the soil in inner cylinder 13.When opening cover
20 by apply hopper apply soil in-situ renovation agent when, again by upper and lower turn rotary shaft 4, realize to soil and soil in-situ
Renovation agent is uniformly mixed (Fig. 3).Further, in order to be better achieved to the broken of soil, soil and renovation agent
Mixing, more preferably there is spiral salient part in the coiling of the madial wall of inner cylinder 13, on the spiral salient part perpendicular to inner cylinder 13 axially
Position be blade-like.
In order to be recycled to ring waste, as a preferable technical scheme, the device of the present embodiment also wraps
Include the devil liquor recovery processing equipment 9 being connected with the delivery port of Vacuum suction pump 8.
Before the device work of the present embodiment, suitable leacheate and soil in-situ renovation agent is determined by the analysis to soil
Formula；The leacheate configured is placed in liquid reserve tank.During the device work of the present embodiment, driven and rotated by actuating unit
Axle is simultaneously screwed in contaminated soil with moving sleeve；After device screws in soil, the connection of rotary shaft and cover is released, passes through upper backspin
Turn moving axis, to the crushing to a certain extent of the soil progress in device；Leacheate is under force (forcing) pump pressurization by eluting liquid pipe
The Polluted Soil that the spray hole (in order to improve elution effect, high pressure nozzle is preferably installed on spray hole) in road enters in device inner cylinder
Elution processing is carried out in earth to soil, after elution duration reaches, opens Vacuum suction pump, the waste liquid after elution passes through on inner cylinder
Micropore (to avoid micropore from being blocked, preferably covering filter membrane in side wall at micropore outer tube) is inhaled into device inner/outer tube composition
Vacuum passage in so that be sucked out collection subsequent treatment is carried out in devil liquor recovery processing equipment；After elution processing, dress is opened
Put cover and apply soil in-situ renovation agent, by upper and lower turn rotary shaft, realize and soil and renovation agent are uniformly mixed,
The in-situ immobilization of soil can easily be realized.
Concrete application example 1 is as follows：
Contaminated soil near certain smeltery (2550mg/kg Pb, 25mg/kg Cd, 975mg/kg Zn, 45mg/kg are luxuriant and rich with fragrance).
Elution and reparation in situ are carried out using the device of the present embodiment.It by volume ratio is 3: 1 to control first magnetic valve by control cabinet
The eluent that 5000ml/L N- dodecanoyl ED3A solution and 200mg/L chitosan solutions are re-dubbed leads under the pumping action that pressurizes
The contaminated soil that the spray hole on washing lotion pipeline enters in inner cylinder is filtered, the elution time is about 24h, and soil ratio is about 30: 1.
After elution terminates, the first magnetic valve and force (forcing) pump are closed, second solenoid valve is opened by control cabinet, and open vacuum
Suction pump, the waste liquid after elution are inhaled into the vacuum passage of device inner/outer tube composition by the micropore on inner cylinder to be sucked
To devil liquor recovery processing equipment；Waste liquid suction finishes, and closes second solenoid valve and Vacuum suction pump.
Repaiied according to the weight ratio of chitosan, sodium lignin sulfonate, iron oxide and activated carbon for 2: 2: 6: 3 preparation soil in-situs
Multiple agent, opens cover, applies 1.5cm soil in-situ renovation agent by upper soll layer of the loading hopper after elution；By upper and lower
Turn rotary shaft, is stirred well mixed to soil and renovation agent, realizes the in-situ immobilization to soil, and the reparation, which is stopped, to be conserved
10 days；Therefore, after soil and renovation agent are uniformly mixed can screwing-out device, another place's polluted soil is carried out ibid
Original position elution and reparation operation.
Soil sample is after hydrochloric acid-nitric acid-perchloric acid resolution, same containing using flame atomic absorption spectrometry Pb, cd, Zn
Amount, luxuriant and rich with fragrance concentration is determined using HPLC；Pb content is that 180mg/kg, Cd content are that 0.2mg/kg, Zn content is
152mg/kg, luxuriant and rich with fragrance content are 11mg/kg.Soil after reparation meets《Standard of soil environment quality》(GB15618-1995) in
Secondary standard value requirement.
Concrete application example 2 is as follows：
Certain irrigating region soil Cu containing 86.6mg/kg, 175.8mg/kg Zn, 3.48mg/kg Cd, 94.2mg/kg Cr,
15mg/kg anthracenes, 9mg/kg are luxuriant and rich with fragrance.
With application examples 1, difference is for original position elution and reparation operation：Leacheate is that volume ratio is 2.5: 1
The eluent that 7000ml/LN- dodecanoyl ED3A solution and 260mg/L chitosan solutions are re-dubbed, the elution time is about 32h,
Soil ratio is about 10: 1；According to the weight ratio of chitosan, sodium lignin sulfonate, iron oxide and activated carbon soil is prepared for 1: 2: 6: 2
Earth in-situ immobilization agent, by applying hopper toward the soil in-situ renovation agent of the soil surface application 1.0cm in inner cylinder.
Soil sample is after hydrochloric acid-nitric acid-perchloric acid resolution, equally using flame atomic absorption spectrometry Cu, Zn, Cd, Cr
Content, anthracene, luxuriant and rich with fragrance concentration are determined using HPLC；Cu content is that 18mg/kg, Zn content are that 75mg/kg, Cd content is
0.1mg/kg, Cr content are 20mg/kg, the content of anthracene is 5.7mg/kg, luxuriant and rich with fragrance content is 1.2mg/kg.Soil after reparation
Meet《Standard of soil environment quality》(GB15618-1995) requirement of the secondary standard value in.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on substantive content of the present utility model.
Claims (9)
1. a kind of chemical leaching assisted in situ repairs integrated apparatus, it is characterised in that described device includes the storage being sequentially connected
Liquid case, force (forcing) pump, sleeve and Vacuum suction pump；The sleeve by reverse frustoconic hollow outer barrel and cylindrical, hollow inner cylinder group
Into the same bottom of outer barrel and inner cylinder, the inner cylinder top is provided with annular leacheate pipeline and positioned at the leacheate insides of pipes
Cover, the leacheate pipeline is provided with leacheate import and ring sets some spray holes, the leacheate import and pressurization water pump outlet pipe
Road is connected；The inner cylinder side wall ring sets some micropores, and the top of space between the inner cylinder and outer barrel exports provided with leacheate, should
Leacheate outlet is connected with the inlet channel of Vacuum suction pump；Rotary shaft is provided among the inner cylinder, the rotary shaft is dismountable
It is connected with cover, the rotary shaft is provided with screw blade；The outer barrel lateral wall helical disk is wound with spiral salient component, the spiral
On raised component perpendicular to inner cylinder axial direction position be blade-like.
2. chemical leaching assisted in situ as claimed in claim 1 repairs integrated apparatus, it is characterised in that the outer barrel bottom
Edge is arranged to blade-like, forms ring cutting part.
3. chemical leaching assisted in situ as claimed in claim 1 repairs integrated apparatus, it is characterised in that on the inside of the inner cylinder
Wall coiling have spiral salient part, on the spiral salient part perpendicular to inner cylinder axial direction position be blade-like.
4. chemical leaching assisted in situ as claimed in claim 1 repairs integrated apparatus, it is characterised in that described device is also wrapped
Include the actuating unit for driving that the rotary shaft is positive, rotates backward or moves up and down.
5. chemical leaching assisted in situ as claimed in claim 1 repairs integrated apparatus, it is characterised in that described device is also wrapped
Include the devil liquor recovery processing equipment being connected with Vacuum suction pump delivery port.
6. chemical leaching assisted in situ as claimed in claim 1 repairs integrated apparatus, it is characterised in that described device is also wrapped
Include and apply hopper；Cover is opened, by the hopper of applying toward applying soil-repairing agent in inner cylinder.
7. chemical leaching assisted in situ as claimed in claim 1 repairs integrated apparatus, it is characterised in that on the outside of the inner cylinder
Covered with filter membrane at micropore on wall.
8. chemical leaching assisted in situ as claimed in claim 1 repairs integrated apparatus, it is characterised in that described device is also wrapped
Control cabinet is included, the control cabinet is respectively connected with force (forcing) pump and Vacuum suction pump.
9. chemical leaching assisted in situ as claimed in claim 1 repairs integrated apparatus, it is characterised in that on the spray hole
High pressure nozzle is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808793.9U CN207086560U (en) | 2017-07-05 | 2017-07-05 | Chemical leaching assisted in situ repairs integrated apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808793.9U CN207086560U (en) | 2017-07-05 | 2017-07-05 | Chemical leaching assisted in situ repairs integrated apparatus |
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| CN207086560U true CN207086560U (en) | 2018-03-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377818A (en) * | 2018-04-25 | 2018-08-10 | 山东农业大学 | Plant pit sterilising soil by steam method and sterilizing machine |
-
2017
- 2017-07-05 CN CN201720808793.9U patent/CN207086560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377818A (en) * | 2018-04-25 | 2018-08-10 | 山东农业大学 | Plant pit sterilising soil by steam method and sterilizing machine |
| CN108377818B (en) * | 2018-04-25 | 2023-05-30 | 山东农业大学 | Tree pit soil steam disinfection method and disinfection machine |
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