CN103046538B - Disposal system for in-situ curing and stabilizing polluted soil - Google Patents
Disposal system for in-situ curing and stabilizing polluted soil Download PDFInfo
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- CN103046538B CN103046538B CN201310006197.5A CN201310006197A CN103046538B CN 103046538 B CN103046538 B CN 103046538B CN 201310006197 A CN201310006197 A CN 201310006197A CN 103046538 B CN103046538 B CN 103046538B
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Abstract
The invention relates to a disposal system for in-situ curing and stabilizing polluted soil and belongs to the technical field of environmental geotechnical engineering. The disposal system comprises a crawler excavator, a crawler, a stirring head, a hydraulic telescopic rod, a line and pipe control collector, an operating control system, a power dispenser, a pneumatic power device, a water tank, a hydraulic power unit and relative sensors. A driver of the mixing head driven by the hydraulic power unit is safe and reliable; a drill is capable of crushing rocks and lumps in the polluted soil, adapting to the construction of complex conditions, and guaranteeing the work efficiency of a stirring wheel and the safe operation of the stirring head; the hydraulic telescopic rod ensures the stirring head to reach greater depth of construction; materials and power devices are disposed on the crawler, which is convenient to synchronize with the crawler excavator during the transportation and construction and adaptable to complex construction environment; and a solenoid valve and sensors are connected with the operating control system on which relative construction parameters are set so as to perform real-time recording and processing data, thereby greatly improving the work efficiency.
Description
Technical field
The present invention relates to a kind of earth in-situ solidifying stabilization treatment system of polluting, belong to environmental geotechnical technical field.
Background technology
Mud, mud and Polluted Soil all belong to pollution earth category.It is very severe that China pollutes earth processing disposal situation.Along with developing rapidly of Chinese Urbanization's, the environmental security that the sharp increase of municipal sludge discharge value causes becomes increasingly conspicuous.City dehydrated sludge has the features such as high hydrophilic, high moisture, high organic content and hyposmosis, and to cause disposing difficulty in engineering large, and how further processing and utilizing becomes key issue.Improve lake water quality, keep river course flood carrying capacity and thoroughfare unimpeded, large-scale environmental dredging, desilting engineering are inevitable, produce therefrom a large amount of water body dredging silts and contain pending.Polluted Soil area is vast, and according to statistics, national contaminated arable land approximately has 1.5 hundred million mu, and sewage irrigation is polluted and ploughed 3,250 ten thousand mu, and solid waste is stored up and taken up an area and ruin 2,000,000 mu, field, adds up to and accounts for the more than 1/10 of the Chinese arable land gross area.Pollute earth and become one of important environmental problem urgently to be resolved hurrily.
According to country to polluting the Strategic Demand of earth stabilizing, innoxious, minimizing, resource development, in-situ solidifying stabilizing is to pollute the important outlet of earth, in-situ solidifying stabilization technology has fast, efficient, environmental protection and economic dispatch feature, can process multiple metal earth simultaneously, emergencing action is outstanding, be widely used in the processing of all kinds of hazardous wastes such as mud, mud and Polluted Soil, American-European countries has taken the lead in carrying out the research of this technology, in the super fund project of the U.S., exceed 200 projects (accounting for more than 20%) and relate to this technology.By in-situ solidifying stabilization processes, can effectively improve the pollution earth soil property of high-moisture percentage, low-intensity and heavy metal pollution, become there is high strength, the character of hyposmosis and heavy metals immobilization stabilizing.Pollution earth after treatment mainly becomes embankment material, replaces sandstone and earth material, for fill construction, embanking project and highway construction etc.Because it does not need to carry polluting earth, save freight, reduced the possibility of pollutant environmental exposure simultaneously, therefore, in-situ solidifying stabilization technology will be the processing disposal technology of extensively adopting from now on.
In order to realize all mixed of deep soil and curing compound, conventionally to utilize the equipment such as various probings, stirring and slip casting, select suitable hybrid mode according to on-the-spot actual condition.Because China's relevant industries are started late, in-situ solidifying stabilization technology and equipment development are slow, as low in slurry solidification treating machine (patent: ZL200420028026.9) treatment effeciency, and cost is high; Mud in-situ solidifying device (patent: stirring-head 201120473034.4) is Mechanical Driven, break down and the limited length of stirring-head, the processing degree of depth of original position is limited, and is difficult to process for the earth that has certain rubble, is difficult to meet the needs of engineering.
Therefore, on prior art basis, integrated existing plant and instrument, it is problem demanding prompt solution that earth in-situ solidifying stabilizing device is polluted in research and development.
Summary of the invention
For the problem of above-mentioned existence, the object of the present invention is to provide a kind of economy to pollute efficiently earth in-situ solidifying stabilization treatment system.
To achieve these goals, its technical solution is:
A kind of earth in-situ solidifying stabilization treatment system of polluting, comprise crawler type digging machine and creeper truck, wherein the front end of the digging arm of crawler type digging machine is provided with stirring-head, stirring-head is by housing, drill bit, drill bit driver, stirring wheel driver, stirring wheel and rotating shaft form, stirring-head is connected with the digging arm of crawler type digging machine by hydraulically extensible bar, between hydraulically extensible bar and stirring-head and crawler type digging machine, adopt respectively flange to be connected, it is container-like that housing is, housing inner bottom part is provided with drill bit driver, drill bit driver is flexibly connected with drill bit, drill bit driver top is provided with stirring wheel driver and rotating shaft, rotating shaft activity runs through housing, rotating shaft two ends are symmetrically arranged with stirring wheel, between rotating shaft and stirring wheel driver, gear is connected, rotating shaft is perpendicular to drill bit, on housing, be provided with the first hydraulic fitting and the second hydraulic fitting, between stirring wheel driver and the first hydraulic fitting, pipeline connects, between drill bit driver and the second hydraulic fitting, pipeline connects, on housing outer wall, be provided with moisture sensor, temperature pick up, pulvis shower nozzle fixator and aqua shower nozzle fixator, on pulvis shower nozzle fixator, be provided with pulvis shower nozzle, on aqua shower nozzle fixator, be provided with aqua shower nozzle, on the flange of stirring-head, be provided with high pressure gas shower nozzle, the spout of high pressure gas shower nozzle is parallel to drill bit, on crawler type digging machine, be provided with spool control collector, control operation system, on spool control collector, be provided with each crossover sub, each crossover sub is provided with electromagnetic valve, between electromagnetic valve and control operation system, wire connects, powder dispenser, Pneumatic propelling plant, aqua tank and hydraulic power unit are arranged on creeper truck, between powder dispenser and Pneumatic propelling plant, pipeline is connected, on pipeline, be provided with powder dispenser pressure controller, the inwall of powder dispenser is provided with pulvis gage probe, between aqua tank and Pneumatic propelling plant, pipeline is connected, aqua pressure tank controller is set on pipeline, aqua tank inwall is provided with aqua gage probe, powder dispenser is provided with pulvis pipe, pulvis pipe is connected with pulvis shower nozzle by the crossover sub of spool control collector, Pneumatic propelling plant is provided with high-pressure air pipe, high-pressure air pipe is connected with high pressure gas shower nozzle by the crossover sub of spool control collector, aqua tank is provided with aqua pipe, aqua pipe is connected with aqua shower nozzle by the crossover sub of spool control collector, on hydraulic power unit, be provided with the hydraulic tube that connects the second hydraulic fitting, on hydraulic power unit, be provided with the hydraulic tube that connects the first hydraulic fitting, on hydraulic power unit, be provided with the hydraulic tube that connects hydraulically extensible bar, described hydraulic tube is respectively by the crossover sub of spool control collector.
The spout of pulvis shower nozzle and aqua shower nozzle is perpendicular to rotating shaft.
Moisture sensor and temperature pick up are positioned at the spout below of high pressure gas shower nozzle, and moisture sensor and temperature pick up are respectively through wire connection control operation system.
Powder dispenser pressure controller, aqua pressure tank controller, pulvis gage probe, aqua gage probe, Pneumatic propelling plant and hydraulic power unit are connected with control operation system by wire.
Owing to having adopted above technical scheme, stirring wheel driver and drill bit driver in a kind of stirring-head that pollutes earth in-situ solidifying stabilization treatment system of the present invention drive by hydraulic power unit, convenient reliable compared with mechanical chain driving, be not easy to break down; The drill bit that the bottom of stirring-head arranges can fragmentation pollute rock and the lump in earth, thereby ensures the operating efficiency of stirring wheel, and can avoid stirring wheel to be destroyed by rock and lump; Aqua shower nozzle on stirring-head is vertical with rotating shaft with the spout of pulvis shower nozzle, can ensure the ejection efficiency of aqua and pulvis; Stirring-head is connected with the digging arm of crawler type digging machine by hydraulically extensible bar, by the Telescopic of hydraulically extensible bar, has ensured that stirring-head can reach larger construction depth; Meanwhile, between the digging arm of hydraulically extensible bar, crawler type digging machine and stirring-head, adopt flange to connect, be convenient to disassembled for transport; Powder dispenser, Pneumatic propelling plant, aqua tank and hydraulic power unit are installed on creeper truck, and transport easy construction is synchronizeed with crawler type digging machine, adapts to complicated construction environment; Electromagnetic valve is connected with control operation system with sensor, sets relevant construction parameter real time record and deal with data in control operation system, has greatly improved operating efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present invention
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained in further detail.See accompanying drawing
A kind of earth in-situ solidifying stabilization treatment system of polluting, disposal system is made up of crawler type digging machine 27, creeper truck 31, stirring-head 3, hydraulically extensible bar 11, spool control collector 25, control operation system 26, powder dispenser 21, Pneumatic propelling plant 20, aqua tank 39, hydraulic power unit 29 and related sensor.Wherein the front end of the digging arm of crawler type digging machine 27 is provided with stirring-head 3, stirring-head 3 is by housing, drill bit 1, drill bit driver 2, stirring wheel driver 19, stirring wheel 4 and rotating shaft 18 form, stirring-head 3 is connected with the digging arm of crawler type digging machine 27 by hydraulically extensible bar 11, between hydraulically extensible bar 11 and stirring-head 3 and crawler type digging machine 27, adopt respectively flange to be connected, the outer wall of hydraulically extensible bar 11 is provided with flexible protective layer 10, while preventing work, pollute clay contaminated and damage hydraulically extensible bar 11, hydraulically extensible bar 11 is provided with expansion link protector 9 near the end of stirring-head 3, for the protection of hydraulically extensible bar 11, prevent that hydraulically extensible bar 11 from stretching long and damaging, it is container-like that housing is, housing inner bottom part is provided with drill bit driver 2, drill bit driver 2 is flexibly connected with drill bit 1, drill bit driver 2 tops are provided with stirring wheel driver 19 and rotating shaft 18, rotating shaft 18 activities run through housing, rotating shaft 18 two ends are symmetrically arranged with stirring wheel 4, between rotating shaft 18 and stirring wheel driver 19, gear is connected, rotating shaft 18 is perpendicular to drill bit 1, on housing, be provided with the first hydraulic fitting 15 and the second hydraulic fitting 16, between stirring wheel driver 19 and the first hydraulic fitting 15, pipeline connects, between drill bit driver 2 and the second hydraulic fitting 16, pipeline connects, on housing outer wall, be provided with moisture sensor 6, temperature pick up 7, pulvis shower nozzle fixator 13 and aqua shower nozzle fixator 14, on pulvis shower nozzle fixator 13, be provided with pulvis shower nozzle 5, on aqua shower nozzle fixator 14, be provided with aqua shower nozzle 17, the spout of pulvis shower nozzle 5 and aqua shower nozzle 17 is perpendicular to rotating shaft 18, on the flange of stirring-head 3, be provided with high pressure gas shower nozzle 8, the spout of high pressure gas shower nozzle 8 is parallel to drill bit 1, moisture sensor 6 and temperature pick up 7 are positioned at the spout below of high pressure gas shower nozzle 8, moisture sensor 6 and temperature pick up 7 are respectively through wire connection control operation system 26, on crawler type digging machine 27, be provided with spool control collector 25, control operation system 26, on spool control collector 25, be provided with each crossover sub, each crossover sub is provided with electromagnetic valve, between electromagnetic valve and control operation system 26, wire connects, be convenient to control operation system 26 and control corresponding air pressure while polluting earth in-situ solidifying stabilization treatment system works, hydraulic pressure, aqua speed and pulvis speed, powder dispenser 21, Pneumatic propelling plant 20, aqua tank 28 and hydraulic power unit 29 are arranged on creeper truck 31, between powder dispenser 21 and Pneumatic propelling plant 20, pipeline is connected, on pipeline, be provided with powder dispenser pressure controller 32, the inwall of powder dispenser 21 is provided with pulvis gage probe 22, between aqua tank 28 and Pneumatic propelling plant 20, pipeline is connected, aqua pressure tank controller 33 is set on pipeline, aqua tank 28 inwalls are provided with aqua gage probe 30, powder dispenser 21 is provided with pulvis pipe, pulvis pipe is connected with pulvis shower nozzle 5 by the crossover sub of spool control collector 25, Pneumatic propelling plant 20 is provided with high-pressure air pipe, high-pressure air pipe is connected with high pressure gas shower nozzle 8 by the crossover sub of spool control collector 25, aqua tank 28 is provided with aqua pipe, aqua pipe is connected with aqua shower nozzle 17 by the crossover sub of spool control collector 25, on hydraulic power unit 29, be provided with the hydraulic tube that connects the second hydraulic fitting 16, on hydraulic power unit 29, be provided with the hydraulic tube that connects the first hydraulic fitting 15, on hydraulic power unit 29, be provided with the hydraulic tube that connects hydraulically extensible bar 11, described hydraulic tube is respectively by the crossover sub of spool control collector 25, pipe box 24 is arranged between spool control collector 25 and stirring-head 3, pipeline between spool control collector 25 and stirring-head 3 is placed in pipe box 24, pipe box 24 is placed in spool cutting ferrule 12, pipe box 24 is fixing by spool tight locking button 23, in the time that the digging arm of crawler type digging machine 27 and hydraulically extensible bar 11 are worked, in the online pipe clamp cover 12 of pipe box 24 between stirring-head 3 and spool tight locking button 23, can move freely, constructability, powder dispenser pressure controller 32, aqua pressure tank controller 33, pulvis gage probe 22, aqua gage probe 30, Pneumatic propelling plant 20 is connected with control operation system 26 by wire with hydraulic power unit 29.
The operating principle of disposal system of the present invention:
Polluting earth in-situ solidifying stabilization treatment system uses front to each pipeline, wire, electromagnetic valve, sensor and crossover sub are carried out corresponding mark, when construction, load and transport defeated crawler type digging machine 27 with transport vehicle, creeper truck 31, stirring-head 3, hydraulically extensible bar 11, pipeline, wire and relevant built-up member are to job site, check stirring-head 3, whether the connection between hydraulically extensible bar 11 and crawler type digging machine 27 is appropriate, connect associated conduit according to corresponding mark, electromagnetic valve and sensor conductor, open control operation system 26, guarantee Pneumatic propelling plant 20, hydraulic power unit 29 and each controller are in closed condition, and check each sensor and electromagnetic valve whether normal, set stirring-head 3 operating temperature higher limits by control operation system 26, in the time that the operating temperature of stirring-head 3 exceedes setting value, device quits work automatically, with protection stirring-head 3, dispose according to the processing of polluting earth the aqua and the pulvis that require to add corresponding formula in aqua tank 28 and powder dispenser 21, in control operation system 26, open Pneumatic propelling plant 20 and hydraulic power unit 29, each conduit under fluid pressure electromagnetic valve, stirring-head 3 is started working, stirring-head 3 projected depth of always working, then in control operation system 26, open high pressure gas electromagnetic valve, the gases at high pressure that high pressure gas shower nozzle 8 sprays rinse moisture sensor 6, then measure the moisture content of the pollution earth after stirring, according to the moisture content of the pollution earth returning, aqua speed is calculated and arranged to control operation system 26 automatically, the rate of climb of pulvis speed and stirring-head 3, in control operation system 26, open powder dispenser pressure controller 32, aqua pressure tank controller 33, aqua electromagnetic valve and pulvis electromagnetic valve, stirring-head 3 starts to rise and stirs, and the pulvis and the aqua that spray from pulvis shower nozzle 5 and aqua shower nozzle 17, under the drill bit 1 of stirring-head 3 and the co-ordination of stirring wheel 4, in-situ solidifying stabilizing is polluted earth, rise to after pollution earth work plane Deng stirring-head 3, mobile stirring-head 3 starts next round work, complete the place until construct, in work progress, creeper truck 31 will be followed crawler type digging machine 27 and be maintained a certain distance, the each pipeline of combing at any time, prevent that each pipeline is destroyed, after having constructed, close each electromagnetic valve, sensor, Pneumatic propelling plant 20 and hydraulic power unit 29, then closing control operating system 26, lay down the each pipeline being connected between creeper truck 31 and crawler type digging machine 27, creeper truck 31 and crawler type digging machine 27 are reached to flush points, cleaning device nursing, then device being loaded onto to transport vehicle is to prepare in next place.
Claims (4)
1. one kind is polluted earth in-situ solidifying stabilization treatment system, comprise crawler type digging machine (27) and creeper truck (31), it is characterized in that: wherein the front end of the digging arm of crawler type digging machine (27) is provided with stirring-head (3), stirring-head (3) is by housing, drill bit (1), drill bit driver (2), stirring wheel driver (19), stirring wheel (4) and rotating shaft (18) form, stirring-head (3) is connected with the digging arm of crawler type digging machine (27) by hydraulically extensible bar (11), between hydraulically extensible bar (11) and stirring-head (3) and crawler type digging machine (27), adopt respectively flange to be connected, it is container-like that housing is, housing inner bottom part is provided with drill bit driver (2), drill bit driver (2) is flexibly connected with drill bit (1), drill bit driver (2) top is provided with stirring wheel driver (19) and rotating shaft (18), rotating shaft (18) activity runs through housing, rotating shaft (18) two ends are symmetrically arranged with stirring wheel (4), between rotating shaft (18) and stirring wheel driver (19), gear is connected, rotating shaft (18) is perpendicular to drill bit (1), on housing, be provided with the first hydraulic fitting (15) and the second hydraulic fitting (16), between stirring wheel driver (19) and the first hydraulic fitting (15), pipeline connects, between drill bit driver (2) and the second hydraulic fitting (16), pipeline connects, on housing outer wall, be provided with moisture sensor (6), temperature pick up (7), pulvis shower nozzle fixator (13) and aqua shower nozzle fixator (14), on pulvis shower nozzle fixator (13), be provided with pulvis shower nozzle (5), on aqua shower nozzle fixator (14), be provided with aqua shower nozzle (17), on the flange of stirring-head (3), be provided with high pressure gas shower nozzle (8), the spout of high pressure gas shower nozzle (8) is parallel to drill bit (1), on crawler type digging machine (27), be provided with spool control collector (25), control operation system (26), on spool control collector (25), be provided with each crossover sub, each crossover sub is provided with electromagnetic valve, between electromagnetic valve and control operation system (26), wire connects, powder dispenser (21), Pneumatic propelling plant (20), aqua tank (28) and hydraulic power unit (29) are arranged on creeper truck (31), between powder dispenser (21) and Pneumatic propelling plant (20), pipeline is connected, on pipeline, be provided with powder dispenser pressure controller (32), the inwall of powder dispenser (21) is provided with pulvis gage probe (22), between aqua tank (28) and Pneumatic propelling plant (20), pipeline is connected, aqua pressure tank controller (33) is set on pipeline, aqua tank (28) inwall is provided with aqua gage probe (30), powder dispenser (21) is provided with pulvis pipe, pulvis pipe is connected with pulvis shower nozzle (5) by the crossover sub of spool control collector (25), Pneumatic propelling plant (20) is provided with high-pressure air pipe, high-pressure air pipe is connected with high pressure gas shower nozzle (8) by the crossover sub of spool control collector (25), aqua tank (28) is provided with aqua pipe, aqua pipe is connected with aqua shower nozzle (17) by the crossover sub of spool control collector (25), on hydraulic power unit (29), be provided with the hydraulic tube that connects the second hydraulic fitting (16), on hydraulic power unit (29), be provided with the hydraulic tube that connects the first hydraulic fitting (15), on hydraulic power unit (29), be provided with the hydraulic tube that connects hydraulically extensible bar (11), described hydraulic tube is respectively by the crossover sub of spool control collector (25).
2. a kind of earth in-situ solidifying stabilization treatment system of polluting as claimed in claim 1, is characterized in that: the spout of pulvis shower nozzle (5) and aqua shower nozzle (17) is perpendicular to rotating shaft (18).
3. a kind of earth in-situ solidifying stabilization treatment system of polluting as claimed in claim 1, it is characterized in that: moisture sensor (6) and temperature pick up (7) are positioned at the spout below of high pressure gas shower nozzle (8), and moisture sensor (6) and temperature pick up (7) are respectively through wire connection control operation system (26).
4. a kind of earth in-situ solidifying stabilization treatment system of polluting as claimed in claim 1, is characterized in that: powder dispenser pressure controller (32), aqua pressure tank controller (33), pulvis gage probe (22), aqua gage probe (30), Pneumatic propelling plant (20) and hydraulic power unit (29) are connected with control operation system (26) by wire.
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| CN201310006197.5A CN103046538B (en) | 2013-01-09 | 2013-01-09 | Disposal system for in-situ curing and stabilizing polluted soil |
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| CN201310006197.5A CN103046538B (en) | 2013-01-09 | 2013-01-09 | Disposal system for in-situ curing and stabilizing polluted soil |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510506B (en) * | 2013-10-18 | 2016-08-31 | 三川德青工程机械有限公司 | Pollute earth in-situ solidifying stabilizing treatment system and method |
| CN103510505B (en) * | 2013-10-18 | 2016-04-27 | 三川德青工程机械有限公司 | Pollute earth in-situ solidifying stabilizing treatment system |
| CN104614504B (en) * | 2015-01-29 | 2016-06-15 | 上海化工研究院 | A kind of contaminated soil cured test method |
| CN107165157A (en) * | 2017-07-07 | 2017-09-15 | 张国坤 | Basic curing and method of work |
| CN107288123A (en) * | 2017-07-20 | 2017-10-24 | 交通运输部天津水运工程科学研究所 | One kind is used for the deep alkaline residue bracing means of high-moisture percentage |
| CN112407961B (en) * | 2020-11-28 | 2022-04-19 | 浙江固强新材料有限公司 | Curing agent conveying equipment for sludge soil remediation |
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| US20110110727A1 (en) * | 2009-11-06 | 2011-05-12 | Thomas Plahert | Jet grouting apparatus for confined spaces and rapid mobilization requirements |
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| JPH0967818A (en) * | 1995-08-30 | 1997-03-11 | Koken Boring Mach Co Ltd | Soft ground improvement method and device therefor |
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