CN205762951U - Soil and subsoil water inject high-pressure rotary-spray injection in-situ remediation system in situ - Google Patents
Soil and subsoil water inject high-pressure rotary-spray injection in-situ remediation system in situ Download PDFInfo
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- CN205762951U CN205762951U CN201620630158.1U CN201620630158U CN205762951U CN 205762951 U CN205762951 U CN 205762951U CN 201620630158 U CN201620630158 U CN 201620630158U CN 205762951 U CN205762951 U CN 205762951U
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Abstract
This utility model provides a kind of soil and subsoil water injects high-pressure rotary-spray injection in-situ remediation system in situ, flows to mouth, high pressure water connector air flow inlet, double pipe current joint, jet drill rig slip casting drilling rod automatic lifting mechanism, high-pressure injection drilling rod, high-pressure injection triple drilling rod inner tube, high-pressure injection triple drilling rod outer tube, medicament ejector nozzle, air injection nozzle, hard alloy blocks and drill bit including dispensing terminal, high-pressure injection pump, high-pressure slip-casting pipe, air compressor, compressed air line, jet drill rig, unit head, high pressure water connector pharmacy solution.This utility model through engineering approaches can be applied to repair the original position injection of medicament, thus realize the in situ chemical oxidation/reduction/microorganism remediation etc. of soil and subsoil water, this utility model have adapt to that stratum is wide, depthkeeping degree reparation, dilation angle is big, medicament injection volume is controlled, repair medium variation, to repair the degree of depth big, economical and efficient, the advantage of the most not destroying foundation bearing capacity.
Description
Technical field
This utility model relates to a kind of soil and subsoil water injects high-pressure rotary-spray injection in-situ remediation system in situ, belongs to
In soil and subsoil water in-situ remediation system technical field.
Background technology
Soil and groundwater environment are the important component parts of ecosystem, in recent years, along with global industry process, I
State's soil pollution is day by day serious, and wherein organic contamination, the pollution of heavy metal pollution class become two big important pollution types, not only break up
Ecological environment itself, directly or indirectly jeopardizes environmental and human health impacts safety.More seriously, volatility and half volatile
Organic pollution, soluble heavy metal can migrate to deep layer zone of saturation (water-bearing layer), especially unsaturated region (aeration zone)
It is that groundwater resources are constituted a threat to, causes serious consequence.
The most conventional soil and groundwater remediation engineering are divided into in-situ immobilization and showering two class, repair by it
Method can be divided into peripheral doses, chemical redemption and biological restoration.
The latter because of relate to the digging clearly of contaminated soil, transport, strange land is repaired or is disposed and the extraction of subsoil water and temporary
Or original place dystopy processes, and easily causes leakage and the diffusion of pollutant.And disposal process need to carry out keeping under strict supervision close inspection, in management
Require higher.Meanwhile, in-situ immobilization is not related to the foundation construction such as deep pit digging and supporting, base pit dewatering and sealing, effectively keeps away
The probability that security incident occurs is decreased while exempting from secondary pollution.The based technique for in-situ remediation of soil and subsoil water is the most again in state
Inside favored.
Medium variation (soil water combined pollution, independent soil pollution, the dirt of independent subsoil water is repaired owing to contaminated site exists
Contaminate several situation), the complexity of hydrogeologic condition, pollution type variation (organic contamination, heavy metal etc.), the spy of pollutant
Different property and the factor such as the skewness in soil and subsoil water and diversity, determine the in-situ immobilization of soil and subsoil water
Difficulty and challenge.Therefore, the soil that tallies with the national condition of research and development and groundwater remediation Engineering Remediation Techniques in situ is particularly
Urgently.
The U.S., since last century the mid-80, has had been put into substantial contribution for soil and groundwater remediation, some
New based technique for in-situ remediation arises at the historic moment, such as in situ chemical oxidation, in-situ chemical reduction, in situ microorganism remediation etc..
The reduction of in situ chemical oxidation, in-situ chemical, in situ microorganism remediation technology refer to by adding in underground environment
Repair medicament (chemical oxidizing agent, reducing agent, microorganism formulation) so that it is anti-with polluter generation chemical reaction or biochemistry
Should, it is degraded to nontoxic or low toxicity material (such as carbon dioxide, water, trivalent chromium etc.), thus realizes the purpose that pollutant removal purifies,
Such technology can process multiple pollutant simultaneously, and treatment effeciency is higher, and wherein microorganism remediation technology is suitable for processing low concentration field
Ground, chemical oxidation/reduction the most contaminated general substrate concentration limits.
Conventional reducing agent (such as Zero-valent Iron, EHC, ferrous sulfate medicament), can halogenated hydrocarbons in rehabilitating soil and subsoil water, weight
The pollutant such as metal (Cr VI).Conventional oxidant (such as persulfate, hydrogen peroxide, potassium permanganate etc.), can rehabilitating soil and ground
The organic pollutions such as benzene homologues in lower water, nitrobenzene, petroleum hydrocarbon.Microorganism formulation, can be in rehabilitating soil and subsoil water
The organic pollution such as benzene homologues, petroleum hydrocarbon.
Existing reparation medicament adds in situ mainly two ways: stirs and injects/inject, and its situ injects/note
Penetrate and be divided into: (PVC injects well), Chemgrout slurry injection technique, deep-layer stirring are injected in Geoprobe direct press type high-pressure injection, shaft building
Slurry injection technique and other exploration on grouting technolgies etc. in situ.
United States Patent (USP) No.5,639,182 " soil in-situ restorative procedures " relate to a kind of original position soil stirring means, and it passes through
The rig that portable crawler belt is advanced, equipped with the impeller drill bit that can vertically creep into, can realize the original position stirring of contaminated soil.Adopted
Being integral type impeller drill bit with stirring drill bit, thus the stirring degree of depth is restricted and resistance is relatively big, its application has certain
Limitation, is appropriate only for the process on loosely stratum.
In " in-situ remediation method of a kind of pollution of chromium " Chinese invention patent of Application No. 201510159423.2, mention
A kind of Geoprobe high-pressure injection method (shortcoming is that efficiency of construction is low for maximum pressure only 18Mpa, substantially single tube injection, it is difficult to
Meet through engineering approaches application), points distributing method, do not consider direction of groundwater flow, the spreading factor of medicament.Application No.
201420009983.0 " a kind of soil remediation high-pressure injection jet drill rig " Chinese utility model patent, substantially single tube note
Penetrate.
Drill bit direct press type injects in situ is that the medicament configured is injected into Polluted Soil with certain pressure by injecting drill bit
Layer constantly stirring and evenly mixing Polluted Soil and oxidating chemicals thus repairing polluted soil and subsoil water.In Patent No. US2002/
The United States Patent (USP) of 0143226A1 and Patent No. US006457905 discloses two kinds of chemical oxidations drill bit in situ and injects reparation
System, chemical oxidizing agent is all injected in Polluted Soil by both repair systems by auger stem or injection drill bit.
Shaft building injection technique: Application No. 201410387735.4 " a kind of organic polluted soil and subsoil water are repaiied in situ
Apparatus for coating and restorative procedure ", " a kind of repairing polluted soil and the in-situ chemical of subsoil water of Application No. 201410615166.4
Oxidation injection device " etc. in Chinese invention patent, mention a kind of shaft building injection in situ chemical oxidation recovery technique, need to be before reparation
Restoring area arranges the restorative procedure of injector well, and such method typically uses PVC material well, and syringe pump uses pneumatic diaphragm pump,
Injection pressure is on the low side (less than 1.6Mpa).On the one hand shaft building is costly, needs to build and injects well in a large number, and capital cost is high, executes
The work cycle is long, after having constructed, can inject well repairing plot residual, affect follow-up redevelopment and utilize.On the other hand injection pressure
Power is not enough (using natural flow or low pressure to inject), and formation condition is very big to injecting influential effect, and injection process uses nature stream
Dynamic or low pressure is injected, and formation condition is very big to injecting influential effect, and as run into argillic horizon or formation properties heterogeneity, medicament cannot
Uniformly diffusion, affects repairing effect and even cannot complete to repair.Zone of saturation soil slip casting difficulty, dilation angle is less, and is suitable for
Stratum is limited, and argillic horizon almost loses diffusion.
Injecting well in situ and injecting is by injecting well in contaminated site construction, by oxidating chemicals with certain pressure by injecting
Well screen pipe is diffused in pollution soil layer thus by a kind of chemical oxidation repair system of contaminant degradation.Patent No. NO US
Disclosing a kind of chemical oxidation in the United States Patent (USP) of 2003/0069142 and inject well injected system, this device is equipped with pressed powder
The screen casing leading portion of shape medicament arranges flow apron, is spread by flow apron along with direction of groundwater flow after the medicament dissolution in screen casing
To target area thus repairing polluted soil and subsoil water.Disclosed in the United States Patent (USP) of Patent No. US 2008/0174571A1
A kind of chemical oxidation injects well recovery technique in situ, and this repair system injects hydrogen peroxide, ozone by injecting well to underground
And compressed air oxidation repairing polluted soil and subsoil water.Inject shaft building many employing U.S.'s Geoprobe rigs or the state at present of well
Interior geological drilling rig (as 30 rigs, automobile bore), revolution or the percussion drilling methods of using, large-scale contaminated site shaft building needs are certain more
Cycle.
Existing high-pressure rotary-spray pile foundation technology is a kind of Foundation Treatment technology, is mainly used in sealing curtain in ground field
The engineerings such as curtain, slope protection pile, after utilizing jet drill rig pore-forming under enter to spray drilling rod, by nozzle underground spray water under high pressure mud,
Form solidification pile body or water-stop curtain by cutting soil, reach the effect of foundation stabilization or sealing.
Above recovery technique application process needs a series of in-situ remediation system, it is achieved repair adding of medicament.
Utility model content
The purpose of this utility model is to solve the injection pressure of above-mentioned existing in-situ remediation system deficiency, injection efficiency
Low, medicament dilation angle is less than normal, zone of saturation reparation injection be difficult to ensure that grouting amount affects the problems such as diffusion effect.And then provide one
Plant soil and subsoil water injects high-pressure rotary-spray injection in-situ remediation system in situ.
The purpose of this utility model is achieved through the following technical solutions:
A kind of soil and subsoil water inject high-pressure rotary-spray injection in-situ remediation system in situ, including: dispensing terminal, make up a prescription
Stand outlet valve, dispensing terminal outlet rustless steel snap joint, high-pressure injection pump imported valve, high-pressure injection pump, high-pressure injection pump
Outlet valve, high-pressure slip-casting pipe, air compressor, air compressor outlet valve, compressed air line, jet drill rig, power
Head, high pressure water connector, high pressure water connector pharmacy solution flow to mouth, high pressure water connector air flow inlet, double pipe current joint, rotation
Spray rig slip casting drilling rod automatic lifting mechanism, high-pressure injection drilling rod, high-pressure injection triple drilling rod inner tube, the triple drilling rod of high-pressure injection
Outer tube, medicament ejector nozzle, air injection nozzle, hard alloy blocks and drill bit；The outlet of described dispensing terminal is provided with dispensing terminal
Outlet valve, dispensing terminal outlet valve is connected with high-pressure injection pump imported valve by dispensing terminal outlet rustless steel snap joint,
High-pressure injection pump imported valve is connected with high-pressure slip-casting pump intake, and high-pressure slip-casting delivery side of pump connects high-pressure slip-casting pump discharge
Valve；The unit head lower end of jet drill rig is provided with high pressure water connector, and high pressure water connector is separately installed with high pressure water connector medicine
Agent liquid stream import, high pressure water connector air flow inlet and double pipe current joint, one end of high-pressure slip-casting pipe and high-pressure slip-casting
Pump discharge valve is connected, and the other end of high-pressure slip-casting pipe flows to mouth with high pressure water connector pharmacy solution and is connected；Under unit head
Portion is provided with hoisting rope and is connected with jet drill rig slip casting drilling rod automatic lifting mechanism, and the bottom of high pressure water connector is provided with height
Pressure injection drilling rod, high-pressure injection drilling rod are assembled by high-pressure injection triple drilling rod inner tube and high-pressure injection triple drilling rod outer tube,
High-pressure injection triple drilling rod inner tube is provided with medicament ejector nozzle, and high-pressure injection triple drilling rod outer tube is provided with air injection spray
Mouth, the bottom of high-pressure injection drilling rod is provided with drill bit, and drill bit is provided with hard alloy blocks；High pressure water connector pharmacy solution flows to mouth
Drilling rod inner tubes triple with high-pressure injection are connected, and high pressure water connector air flow inlet drilling rod triple with high-pressure injection outer tube is connected
Logical；The outlet of air compressor connects air compressor outlet valve, and one end of compressed air line goes out with air compressor
Mouth valve is connected, and one end of compressed air line is connected with high pressure water connector air flow inlet, double pipe current joint
It is connected with high pressure water connector.
The beneficial effects of the utility model are:
One, repair system design is simple, equipment is little, conveniently moving, is superior to other such as In Situ Heating, thermal desorption or soil
The technology such as drip washing need complicated design or special equipment, tail gas if necessary or waste water system.Rehabilitation cost is less than in situ
The technology such as heating, thermal desorption.Remediation efficiency and the removal effect of pollutant of system in situ can be optimally reached.
Two, relative to single tube injection system or Chemgrout notes such as drill bit high-pressure injections (as Geoprobe rig is injected)
Slurry mode, this utility model uses air-liquid dual-pipe high-pressure injection technique, and on the one hand injection pressure is big (20～30Mpa), and mesh
Front common drill bit injection maximum pressure only 18Mpa, owing to the dilation angle of its injection pressure little reparation medicament is the most relatively small
And spread uneven, add that slurry is returned in single tube injection chance phreatic water reparation place the most serious.On the other hand medicine is repaired in injection
The effect of agent liquid stream process additional high pressure air stream makes to repair medicament and substantially carries at the diffusion effect of soil and groundwater environment
Rising, dilation angle dramatically increases.It is few that drill bit high-pressure injection adapts to stratum, for low permeability formation injection due to insufficient pressure and
Single tube operates, and easily forms the passages such as preferential pressure break and injection efficiency is on the low side.It addition, drill bit injecting systems is due to configuration grouting pump
Flow is less, there is the problem that injection efficiency is low.Therefore, this utility model can overcome the dilation angle of drill bit single tube injecting method
Little, return the defects such as slurry is serious, injection efficiency is low.
Three, this utility model is relative to shaft building injection technique, and its range of application is greatly extended.Prior art is only
In being applicable to～high permeability formation (such as the stratum such as Extra-fine sand, medium coarse sand), and technology application formation volumes of the present utility model
Extend to low～middle permeable formation (such as silty clay, silt, silt clay, argillic horizon).Inject well technology due to note
Injection pressure is the least is only suitable for unsaturation layer or the deeper place of groundwater level, and this utility model is applicable to independent soil
The situation such as earth pollution, soil and groundwater combined pollution (zone of saturation), independent underground water pollution, it is possible to resolve injection process in situ
Maximum grouting amount and return slurry problem, greatly improves injection efficiency.Meanwhile, it is better than injector well and cannot control medicine by degree of depth linear meter(lin.m.)
Agent injection parameters, it is possible to resolve large complicated contaminated site soil and underwater prevention are by degree of depth partition zone optimizing adding of agent parameter
Demand.This utility model uses the mode of decanting point (boring) to instead of injector well, has on the one hand saved shaft building cost, on the one hand
After reparation there is not the discarded facilities such as PVC well in place, can put into soil without site clearing and make after completing medicament injection construction
With.This utility model single hole every linear meter(lin.m.) injection volume is big, and general one takes turns injection (taking multiple pressure spray process if desired) can meet engineering
Design requirement, injects well adding of agent and uses batch (-type) multiple injection, therefore inject well repair mode repairing efficiency relatively long.
Four, use this utility model, draw hole stage employing Pneumatic immpacting rotary drilling forming hole method, relative to injecting well
Shaft building at present use U.S.'s GEOPROBE rigs or domestic geological drilling rig (such as 30 rigs, drill truck etc.) more, use back more
Turning or percussion drilling method, large-scale contaminated site shaft building needs certain cycle.Drilling process introduces air stream and on the one hand improves
Efficiency of construction and reduce cost, on the other hand the introducing of air stream is conducive to opening miscellaneous fill layer soil aperture, for the later stage
The medicament of medicament injection unsaturation layer uniformly spreads and provides advantage.This draws, and hole method cost is relatively low, cost is relatively low, for rear
The continuous high-pressure rotary-spray injection operation of injection in situ is constructed continuously and is provided time guarantee.
Five, relative to traditional Construction Technology of Jet Grouting Piles, this utility model use gas (air), liquid (reparation medicament)
Dual-pipe high-pressure injection technique, dilation angle design is theoretical based on splitting theory and diffusion, medicament dilation angle=stirring
Radius+diffusion district radius；And rotary churning pile typically uses gas (air), liquid (water), the triple tube technique of liquid (cement mortar), base
In splitting theory, its pile radius is much smaller than the dilation angle of this utility model design, and meanwhile, it is serious that triple tube technique returns slurry,
It is dfficult to apply to soil and groundwater remediation.
Six, being equivalent to stirring technique, such as hot-air stripping deep-layer stirring, repair mode is from top to bottom, it is impossible to solve folder
The reparation problem of central layer, this utility model uses determines deeper injection reparation, it is possible to resolve uncontamination position, stirring technique disturbance top,
Cause secondary pollution serious and destroy defect and the contradictions such as foundation bearing capacity.Mechanical agitation energy consumption is much larger than this utility model simultaneously
Use the equipment energy consumption that air-flow, liquid stream effectively spread.Depthkeeping degree reparation solves sandwich of layers soil and groundwater remediation is difficult
Topic, keeps original bearing capacity after construction, notable with efficiently construction particularly with layer of sand soil and groundwater remediation economic advantages.
Accompanying drawing explanation
Fig. 1 is this utility model soil and subsoil water injection high-pressure rotary-spray injection in-situ remediation system and work in situ
Principle schematic.
Fig. 2 is enlarged drawing at the A of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 2.
Fig. 4 is the C-C sectional view of Fig. 2.
Reference in figure, 1 for dispensing terminal, 2 for dispensing terminal outlet valve, 3 for dispensing terminal export rustless steel quickly connect
Head, 4 be high-pressure injection pump imported valve, 5 for high-pressure injection pump, 6 for high-pressure injection pump Pressure gauge, 7 be high-pressure slip-casting pump discharge
Valve, 8 be high-pressure slip-casting pipe (and liquid stream inject flow to), 9 be air compressor machine fresh air inlet, 10 be air compressor inlet valve
Door, 11 be air compressor, 12 for air compressor machine Pressure gauge, 13 for air compressor outlet valve, 14 be compressed air line (and
Air injects and flows to), 15 be jet drill rig, 16 be unit head, 17 be high pressure water connector, 18 flow to for high pressure water connector pharmacy solution
Mouthful, 19 for high pressure water connector air flow inlet, 20 be double pipe current joint (closedown), 21 for jet drill rig slip casting drilling rod oneself
Dynamic hoisting mechanism, 22 be high-pressure injection drilling rod (triple tube), 23 be high-pressure injection triple drilling rod inner tube, 24 triple for high-pressure injection
Drilling rod outer tube, 25 for draw hole section, 26 for non-churning section, 27 for churning injection repair section, 28 for medicament ejector nozzle, 29 be medicament
Spray liquid flow, 30 be air injection nozzle, 31 be air jet-stream wind, 32 be hard alloy blocks, 33 be drill bit, 34 ooze for medicament
Thoroughly diffusion region, 35 be medicament splitting stirring area, 36 be medicament dispersal direction, 37 be miscellaneous fill layer, 38 be farinose argillic horizon, 39 be
Fine sand layer (water-bearing layer), 40 be farinose argillic horizon, 41 for groundwater level buried depth, R1 for splitting stirring radius, R2 for infiltration
Dilation angle (R1+R2 is the effective dilation angle of medicament).
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail: the present embodiment is with this utility model skill
Implement under premised on art scheme, give detailed embodiment, but protection domain of the present utility model is not limited to following
Embodiment.
As shown in Figure 1 to 4, a kind of soil and subsoil water involved by the present embodiment inject high-pressure rotary-spray note in situ
Penetrate in-situ remediation system, including: dispensing terminal 1, dispensing terminal outlet valve 2, dispensing terminal outlet rustless steel snap joint 3, high pressure injection
Stock pump imported valve 4, high-pressure injection pump 5, high-pressure injection pump outlet valve 7, high-pressure slip-casting pipe 8, air compressor 11, air pressure
Contracting machine outlet valve 13, compressed air line 14, jet drill rig 15, unit head 16, high pressure water connector 17, high pressure water connector medicament
Liquid stream import 18, high pressure water connector air flow inlet 19, double pipe current joint 20, jet drill rig slip casting drilling rod automatic lifting
Mechanism 21, high-pressure injection drilling rod 22, high-pressure injection triple drilling rod inner tube 23, high-pressure injection triple drilling rod outer tube 24, medicament ejector
Nozzle 28, air injection nozzle 30, hard alloy blocks 32 and drill bit 33；The outlet of described dispensing terminal 1 is provided with dispensing terminal outlet
Valve 2, dispensing terminal outlet valve 2 is connected with high-pressure injection pump imported valve 4 by dispensing terminal outlet rustless steel snap joint 3,
High-pressure injection pump imported valve 4 is connected with high-pressure injection pump 5 entrance, and the outlet of high-pressure injection pump 5 connects high-pressure injection pump
Outlet valve 7；The lower end of unit head 16 is provided with high pressure water connector 17, and high pressure water connector 17 is separately installed with high pressure water connector
Pharmacy solution flows to mouth 18, high pressure water connector air flow inlet 19 and double pipe current joint 20, one end of high-pressure slip-casting pipe 8 with
High-pressure injection pump outlet valve 7 is connected, and the other end of high-pressure slip-casting pipe 8 flows to mouth 18 with high pressure water connector pharmacy solution and is connected
Connect；The bottom of unit head 16 is provided with hoisting rope and is connected with jet drill rig slip casting drilling rod automatic lifting mechanism 21, water under high pressure
The bottom of joint 17 is provided with high-pressure injection drilling rod 22, high-pressure injection drilling rod 22 by high-pressure injection triple drilling rod inner tube 23 and high pressure
Spraying triple drilling rod outer tube 24 to assemble, high-pressure injection triple drilling rod inner tube 23 is provided with medicament ejector nozzle 28, high pressure spray
Penetrating triple drilling rod outer tube 24 and be provided with air injection nozzle 30, the bottom of high-pressure injection drilling rod 22 is provided with drill bit 33, drill bit 33
On hard alloy blocks 32 is installed；High pressure water connector pharmacy solution flows to mouth 18 drilling rod triple with high-pressure injection inner tube 23 and is connected,
High pressure water connector air flow inlet 19 drilling rod triple with high-pressure injection outer tube 24 is connected；The outlet of air compressor 11 connects to be had
Air compressor outlet valve 13, one end of compressed air line 14 is connected with air compressor outlet valve 13, compression sky
One end of air pipe 14 is connected with high pressure water connector air flow inlet 19, and high pressure water connector 17 connects double pipe current
Joint 20, double pipe current joint 20 closes or outer water pump (closing this interface in this utility model).
Described medicament ejector nozzle 28 is set to two, the 180 ° of distributions of two medicament ejector nozzle 28 levels；Described air
Injection nozzle 30 is set to three, and the 120 ° of distributions of three air injection nozzle 30 levels, described air injection nozzle 30 is arranged at
100～200mm position below medicament ejector nozzle 28.
The grouting pressure (medicament injection pressure) of described high-pressure injection pump 5 is: 25～30Mpa, the sky of air compressor 11
Atmospheric pressure is: 0.7～0.8Mpa.
Described air compressor 11 is screw air compressor.
Involved by the present embodiment is that a kind of original position for contaminated soil and subsoil water injects high-pressure rotary-spray injection
In-situ remediation method, comprises the steps:
(1) layouting and draw hole step: layouting by triangle, design medicament dilation angle covers restoring area, Duplication 10
～15%.Draw hole measurement to put and be compacted smooth to repairing top layer, place before a little, prevent from forming short circuit or preferential during slip casting
Passage and cause and seriously return slurry.Draw hole walking draw drilling machine by design decanting point center in place after, by air screw pressure
Contracting machine (containing air filtration tank), as power source, is transferred to pneumatic air hammer drill tool and drilling rod, with 110mm bore perforate, uses
Pneumatic down-hole hammer percussion revolution drilling method, drills miscellaneous fill layer 37 or penetration stain place original base layer, the deepest
Degree 3～5m, define high-pressure rotary-spray injection draws hole section 25.
(2) high-pressure rotary-spray injecting step is injected in situ: jet drill rig 15 decanting point in place Bu Kong dot center, dispensing terminal
Repair liquid medicine/serum outlet to be connected with high-pressure injection pump slurry inlet, high-pressure injection pump serum outlet and jet drill rig three
Heavily pipe inner tube water swivel interface connects, screw-rod air compressor compressed air outlet and jet drill rig triple tube outer tube water swivel interface
Connect.Before medicament is repaired in formal injection, clear water examination spray debugging need to be carried out, to guarantee that injection medicament process does not occur pipeline or nozzle
Clogging.Bore under high-pressure injection drilling rod 22 and drilling tool, utilize drilling tool to carry drill bit 33 (being inlaid with hard alloy blocks 32), creep into
Prime stratum, after farinose argillic horizon 38, fine sand layer (water-bearing layer) 39, farinose argillic horizon 40, extremely the design maximum reparation degree of depth
Carry out injection to repair, drilling process is always on compressed air line 14.Described air stream (contains from screw-rod air compressor and filters
Device) enter through air compressor machine fresh air inlet 9, connect high pressure below the unit head 16 of jet drill rig 15 by air injection tube line
Water swivel air intlet 19, enters triple tube outer tube 24, from the air nozzle 30 jet compression air of churning drilling tool, at soil and
Subsoil water spreads.Described air nozzle specification is 1～3mm, and level is 120 ° of settings, altogether design 3, with triple tube outer tube even
Logical, after being drilled into design reparation depth capacity under injection drilling rod, open high-pressure injection pump 5, injection high pressure liquid stream (repairs medicament molten
Liquid/serosity) while jet compression air, drilling rod automatic lifting mechanism 21 limit from bottom to top carried by jet drill rig 15 is carried
Rise limit rotary drill rod.Medicament ejector, to after repair capsule end face absolute altitude, stops high-pressure injection pump 5, and compressed air continues injection extremely
Supply is stopped after carrying brill completely.Described medicament ejector process high-pressure injection pump injection pressure 25～30Mpa, flow rate of grouting 20～
120L/min, air compressor machine pressure: 0.7～0.8Mpa, lifting speed: 5～20cm/min.The inner tube of triple drilling rods is set to medicament
Playpipe, the outer tube of triple drilling rods is set to compressed air channel, and the double pipe channel valve between inner tube and outer tube is closed.
Medicament process is repaired in the injection of air-liquid double tube method, and effective dilation angle of formation is relatively big, including stirring radius R1 (conventional cement
Stake stirring radius 0.3～0.5m) and medicament injection after diffusion radius R2, its Chinese medicine dilation angle up to 0.8～
3.5m, typically increases with the infiltrative increase of soil layer, and in water-bearing layer (such as Extra-fine sand), R2 is much larger than R1.Complete single hole medicament high
After pressure injection is penetrated, cleaning churning drilling rod and drilling tool etc. immediately, jet drill rig moves to next decanting point (boring), the completeest
Become medicament injection operation.
(3) medicament reaction later stage monitoring step: described medicament reaction later stage monitoring means is that 2 inches of PVC monitor well, complete
After becoming the construction of restoring area in-situ injection, groundwater monitoring well is set, by periodically taking groundwater monitoring subsoil water is repaired medicine
The index such as pollutant levels in agent residual, pH value and subsoil water, with monitoring with evaluate repairing effect.Soil remediation effect is by setting
Put soil sampling point, take pedotheque post analysis evaluation.
The above, only this utility model preferably detailed description of the invention, these detailed description of the invention are all based on this
Different implementations under utility model general idea, and protection domain of the present utility model is not limited thereto, any ripe
Know those skilled in the art in the technical scope that this utility model discloses, the change that can readily occur in or replacement, all
Should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with claims
Protection domain is as the criterion.
Claims (4)
1. soil and subsoil water inject a high-pressure rotary-spray injection in-situ remediation system in situ, including: dispensing terminal (1), join
Medicine station outlet valve (2), dispensing terminal outlet rustless steel snap joint (3), high-pressure injection pump imported valve (4), high-pressure injection pump
(5), high-pressure injection pump outlet valve (7), high-pressure slip-casting pipe (8), air compressor (11), air compressor outlet valve
(13), compressed air line (14), jet drill rig (15), unit head (16), high pressure water connector (17), high pressure water connector pharmacy solution
Flow to mouth (18), high pressure water connector air flow inlet (19), double pipe current joint (20), jet drill rig slip casting drilling rod automatic
Hoisting mechanism (21), high-pressure injection drilling rod (22), high-pressure injection triple drilling rod inner tube (23), high-pressure injection triple drilling rod outer tube
(24), medicament ejector nozzle (28), air injection nozzle (30), hard alloy blocks (32) and drill bit (33)；It is characterized in that, institute
The outlet stating dispensing terminal (1) is provided with dispensing terminal outlet valve (2), and dispensing terminal outlet valve (2) is exported rustless steel by dispensing terminal
Snap joint (3) is connected with high-pressure injection pump imported valve (4), high-pressure injection pump imported valve (4) and high-pressure injection pump (5)
Entrance is connected, and the outlet of high-pressure injection pump (5) connects high-pressure injection pump outlet valve (7)；The power of jet drill rig (15)
Head (16) bottom connects high pressure water connector (17), high pressure water connector (17) is separately installed with high pressure water connector pharmacy solution and flows to
Mouth (18), high pressure water connector air flow inlet (19) and double pipe current joint (20), one end of high-pressure slip-casting pipe (8) is with high
Pressure grouting pump discharge valve (7) is connected, and the other end of high-pressure slip-casting pipe (8) and high pressure water connector pharmacy solution flow to mouth (18) phase
Connect；The bottom of unit head (16) is provided with hoisting rope and is connected with jet drill rig slip casting drilling rod automatic lifting mechanism (21),
The bottom of high pressure water connector (17) is provided with high-pressure injection drilling rod (22), and high-pressure injection drilling rod (22) is by the triple drilling rod of high-pressure injection
Inner tube (23) and high-pressure injection triple drilling rod outer tube (24) assemble, and high-pressure injection triple drilling rod inner tube (23) is provided with medicament
Injection nozzle (28), high-pressure injection triple drilling rod outer tube (24) is provided with air injection nozzle (30), high-pressure injection drilling rod (22)
Bottom drill bit (33) is installed, drill bit (33) is provided with hard alloy blocks (32)；High pressure water connector pharmacy solution flows to mouth
(18) drilling rods inner tube (23) triple with high-pressure injection are connected, and high pressure water connector air flow inlet (19) is redrilled with high-pressure injection three
Bar outer tube (24) is connected；The outlet of air compressor (11) connects air compressor outlet valve (13), compressed air hose
The one end on road (14) is connected with air compressor outlet valve (13), and one end of compressed air line (14) connects with water under high pressure
Head air flow inlet (19) is connected, and double pipe current joint (20) is connected with high pressure water connector (17), double pipe water
Stream joint (20) is in closed state.
Soil the most according to claim 1 and subsoil water inject high-pressure rotary-spray injection in-situ remediation system in situ, its
Being characterised by, described medicament ejector nozzle (28) is set to two, the 180 ° of distributions of two medicament ejector nozzle (28) levels；Described
Air injection nozzle (30) is set to three, the 120 ° of distributions of three air injection nozzle (30) levels, described air injection nozzle
(30) 100～200mm positions, medicament ejector nozzle (28) lower section it are arranged at.
Soil the most according to claim 1 and subsoil water inject high-pressure rotary-spray injection in-situ remediation system in situ, its
Being characterised by, the grouting pressure of described high-pressure injection pump (5) is: 25～30Mpa, and the air pressure of air compressor (11) is:
0.7～0.8Mpa.
Soil the most according to claim 1 and subsoil water inject high-pressure rotary-spray injection in-situ remediation system in situ, its
It is characterised by, described air compressor (11) screw air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620630158.1U CN205762951U (en) | 2016-06-23 | 2016-06-23 | Soil and subsoil water inject high-pressure rotary-spray injection in-situ remediation system in situ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620630158.1U CN205762951U (en) | 2016-06-23 | 2016-06-23 | Soil and subsoil water inject high-pressure rotary-spray injection in-situ remediation system in situ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205762951U true CN205762951U (en) | 2016-12-07 |
Family
ID=58131074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620630158.1U Withdrawn - After Issue CN205762951U (en) | 2016-06-23 | 2016-06-23 | Soil and subsoil water inject high-pressure rotary-spray injection in-situ remediation system in situ |
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| CN (1) | CN205762951U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105964678A (en) * | 2016-06-23 | 2016-09-28 | 北京建工环境修复股份有限公司 | Soil and groundwater in-situ remediation system and method through in-situ infusion and high-pressure jet grouting injection |
| CN106799396A (en) * | 2017-03-01 | 2017-06-06 | 北京建工环境修复股份有限公司 | A kind of soil and underground water high-pressure rotary-spray stir joint in-situ remediation method with shallow-layer |
| CN107552557A (en) * | 2017-07-05 | 2018-01-09 | 中海石油环保服务（天津）有限公司 | A kind of soil and underground enhanced water in situ chemical oxidation renovation technique |
| CN109174954A (en) * | 2018-08-07 | 2019-01-11 | 广西博世科环保科技股份有限公司 | Broken stirring dosing integration soil in-situ prosthetic appliance |
| CN110038895A (en) * | 2019-04-25 | 2019-07-23 | 山东省农业科学院畜牧兽医研究所 | A kind of continuance lifting formula perfusion microbial bacterial agent solidifies the automation equipment and method of tailing |
| CN112337962A (en) * | 2020-11-12 | 2021-02-09 | 苏州兔妈妈环保科技有限公司 | Feeding device and feeding method suitable for marshland |
| CN114674880A (en) * | 2022-03-11 | 2022-06-28 | 中国地质大学（武汉） | Device for simulating migration-diffusion process of pollutants between karsts |
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2016
- 2016-06-23 CN CN201620630158.1U patent/CN205762951U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964678A (en) * | 2016-06-23 | 2016-09-28 | 北京建工环境修复股份有限公司 | Soil and groundwater in-situ remediation system and method through in-situ infusion and high-pressure jet grouting injection |
| WO2017219792A1 (en) * | 2016-06-23 | 2017-12-28 | 北京建工环境修复股份有限公司 | In situ repair system and method for in situ injection - high pressure rotary jet injection in soil and groundwater |
| US20190145190A1 (en) * | 2016-06-23 | 2019-05-16 | Bceg Environmental Remediation Co.,Ltd | In-situ injection of soil and groundwater - high pressure rotary jet grouting in-situ remediation system and method |
| US10787865B2 (en) | 2016-06-23 | 2020-09-29 | Bceg Environmental Remediation Co., Ltd | In-situ injection of soil and groundwater—high pressure rotary jet grouting in-situ remediation system and method |
| CN106799396A (en) * | 2017-03-01 | 2017-06-06 | 北京建工环境修复股份有限公司 | A kind of soil and underground water high-pressure rotary-spray stir joint in-situ remediation method with shallow-layer |
| CN106799396B (en) * | 2017-03-01 | 2022-04-08 | 北京建工环境修复股份有限公司 | High-pressure rotary spraying and shallow layer stirring combined in-situ remediation method for soil and underground water |
| CN107552557A (en) * | 2017-07-05 | 2018-01-09 | 中海石油环保服务（天津）有限公司 | A kind of soil and underground enhanced water in situ chemical oxidation renovation technique |
| CN109174954A (en) * | 2018-08-07 | 2019-01-11 | 广西博世科环保科技股份有限公司 | Broken stirring dosing integration soil in-situ prosthetic appliance |
| CN110038895A (en) * | 2019-04-25 | 2019-07-23 | 山东省农业科学院畜牧兽医研究所 | A kind of continuance lifting formula perfusion microbial bacterial agent solidifies the automation equipment and method of tailing |
| CN112337962A (en) * | 2020-11-12 | 2021-02-09 | 苏州兔妈妈环保科技有限公司 | Feeding device and feeding method suitable for marshland |
| CN114674880A (en) * | 2022-03-11 | 2022-06-28 | 中国地质大学（武汉） | Device for simulating migration-diffusion process of pollutants between karsts |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20171114 |