CN111790743A - A high-efficient sled dress drip washing system of dystopy for polluting prosthetic degree of depth of soil is meticulous - Google Patents
A high-efficient sled dress drip washing system of dystopy for polluting prosthetic degree of depth of soil is meticulous Download PDFInfo
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- 239000002689 soil Substances 0.000 title claims abstract description 78
- 238000005406 washing Methods 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000002386 leaching Methods 0.000 claims abstract description 21
- 238000005067 remediation Methods 0.000 claims abstract description 21
- 239000010865 sewage Substances 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims description 42
- 239000002002 slurry Substances 0.000 claims description 36
- 238000010828 elution Methods 0.000 claims description 33
- 239000004576 sand Substances 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 238000012216 screening Methods 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 15
- 238000005188 flotation Methods 0.000 claims description 14
- 239000010802 sludge Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 7
- 239000011362 coarse particle Substances 0.000 claims description 5
- 239000006228 supernatant Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012716 precipitator Substances 0.000 claims 4
- 238000009287 sand filtration Methods 0.000 claims 2
- 239000003344 environmental pollutant Substances 0.000 description 16
- 231100000719 pollutant Toxicity 0.000 description 16
- 230000000694 effects Effects 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
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- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000010419 fine particle Substances 0.000 description 6
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- 239000008187 granular material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
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- 230000006978 adaptation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Mycology (AREA)
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- Health & Medical Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an ectopic efficient skid-mounted leaching system for fine and deep remediation of polluted soil, and relates to the technical field of polluted soil deep remediation equipment. The continuous type soil bioremediation reactor is arranged at the side end of the belt type filter press. All water in the system is treated by the sewage treatment unit and then recycled, so that secondary pollution is avoided, and the operation cost is saved.
Description
Technical Field
The invention relates to the technical field of polluted soil deep repair equipment, in particular to an ectopic efficient skid-mounted leaching system for fine deep repair of polluted soil.
Background
The ectopic soil leaching remediation technology is characterized in that leacheate is combined with pollutants in soil, and the purpose of treating the polluted soil is achieved through chemical or biological effects of desorption, chelation, degradation, oxidation/reduction, dissolution or fixation and the like of the leacheate. The ectopic soil washing is a reduction process for screening and cleaning coarse particles and enriching fine particle pollutants, so that the refinement of screening and grading and the full elution of the pollutants are of great importance. The soil leaching technology is widely applied, the related technologies in the market are approximately the same at present, but the processing scale is small, the process route is simpler, the equipment processing and design level is low, the screening classification and the cyclone classification are insufficient, and the terminal slurry has more fine particles.
Publication number is CN 206779146U's patent provides an dystopy soil drip washing repair equipment among the prior art, including the drip washing jar, its characterized in that: the contaminated soil dog-house outside of leaching tank is equipped with throws the material conveyer belt, the top of the initiating terminal of throwing the material conveyer belt is equipped with the shale shaker, the outside of clean soil mud export is equipped with the secondary sedimentation tank, the bottom periphery of secondary sedimentation tank is equipped with the annular and subsides liquid collecting pit and secondary sedimentation tank and annular and subsides and be equipped with a plurality of liquid filter outlets of subsiding between the liquid collecting pit, a plurality of agitators are evenly hung at leaching tank deck portion, the outlet pipeline of leaching tank jar is connected with the extraction pump, the outlet pipeline of extraction pump is connected with the pans of built-in stirring thick liquid, be connected with the drainage pump between the outlet pipeline of pans and the inlet pipeline of leaching agent shower nozzle, be equipped with leaching agent cyclic utilization device between the entry of contaminated slag liquid export and pans.
However, the patent still has the small processing scale when in use, and can not meet the requirements of quick assembly and adaptation according to different polluted sites.
Disclosure of Invention
The invention provides an ectopic efficient skid-mounted leaching system for fine and deep remediation of contaminated soil, and aims to solve the technical problems that a contaminated soil modification device in the prior art is small in treatment scale, simple in process route, low in equipment processing and design level, insufficient in screening classification and cyclone classification and large in terminal slurry fine particles.
The utility model provides a high-efficient sled dress drip washing system of dystopy for polluting prosthetic depth of soil is become more meticulous, includes cylinder system mud machine, high pressure spray unit, screening unit, air supporting unit, concentration tank, water treatment unit and belt filter press, cylinder system mud machine communicates to screening unit, the high pressure sprays the unit setting in screening unit, screening unit communicates to the air supporting unit, the air supporting unit communicates to concentration tank, concentration tank communicates to getting into water treatment unit, the mud after the concentration in the concentration tank gets into the belt filter press, the delivery port of belt filter press communicates to water treatment unit.
Further, the screening unit comprises a preliminary vibrating screen, a linear vibrating screen, a spiral sand washer, a # 1 buffer storage tank, a # 2 buffer storage tank, a # 3 buffer storage tank, a first vibrating dewatering screen, a second vibrating dewatering screen and a third vibrating dewatering screen, wherein the screen outlet of the preliminary vibrating screen is communicated with the linear vibrating screen, the side ends of the preliminary vibrating screen and the linear vibrating screen are respectively provided with a belt conveyor, the side end of the linear vibrating screen is connected with the spiral sand washer to clean coarse particles larger than 1mm, the screen outlet of the linear vibrating screen is communicated with the # 1 buffer storage tank, the # 1 buffer storage tank is communicated with the high-pressure spraying unit, each of the first vibrating dewatering screen, the second vibrating dewatering screen and the third vibrating dewatering screen is provided with a hydrocyclone, and the discharge end of the high-pressure spraying unit is communicated with the hydrocyclone in the first vibrating dewatering screen, sewage enters the first vibrating dewatering screen after passing through the hydrocyclone, the first vibrating dewatering screen is communicated to the No. 2 buffer storage tank, the No. 2 buffer storage tank is communicated to the hydrocyclone on the second vibrating dewatering screen, the second vibrating dewatering screen is communicated to the No. 3 buffer storage tank, the No. 3 buffer storage tank is communicated to the hydrocyclone on the third vibrating dewatering screen, and the overflow port of the hydrocyclone of the third vibrating dewatering screen is communicated to the air flotation unit.
Further, the structure of first vibration dewatering screen, second vibration dewatering screen and third vibration dewatering screen is the same, first vibration dewatering screen comprises shale shaker, vibrating motor, sled dress frame, feed inlet and overflow box, hydrocyclone installs on sled dress frame, the shale shaker is installed in sled dress frame, vibrating motor sets up on sled dress frame, just vibrating motor's output communicates to the shale shaker, the sieve mesh of shale shaker reduces gradually in first vibration dewatering screen, second vibration dewatering screen and the third vibration dewatering screen, the feed inlet communicates to in the sled dress frame, the overflow box sets up the side at sled dress frame, the bottom of overflow box is equipped with the overflow export.
Further, the water treatment unit comprises an inclined tube precipitation unit, a sand filter tank, active carbon and a water return tank, supernatant in the concentration tank enters the water treatment unit and enters the inclined tube precipitation unit, the sand filter tank, the active carbon and the water return tank from the supernatant, and the water return tank is communicated to the roller sludge making machine, the high-pressure spraying unit and the screening unit through pipelines respectively.
Further, pipe chute deposits, sand filter tank and active carbon all are equipped with two, and single pipe chute deposits, sand filter tank and active carbon passes through the pipeline and establishes ties each other, and two sets of pipe chute deposits, sand filter tank, active carbon communicate respectively to the return-water tank in, through setting up two sets of pipe chute deposits, sand filter tank and active carbon can increase the treatment effeciency of sewage.
Furthermore, two belt filter presses are arranged, and the bottoms of the concentration tanks are respectively communicated to the two belt filter presses.
Further, the front end of the roller mud making machine is provided with a large-bevel-angle belt conveyor.
Further, the high-pressure spraying unit comprises a slurry tank, a slurry pump, a high-pressure spraying elution device and a high-pressure power unit, the slurry tank is communicated with the feeding end of the slurry pump, the high-pressure spraying elution device is communicated with the discharging end of the slurry pump, slurry can be stored through the slurry tank, the slurry in the slurry tank can be pumped out through the slurry pump and conveyed into the high-pressure spraying elution device, the high-pressure spraying elution device comprises a high-pressure pipe, a spraying elution cavity and a high-pressure nozzle, at least one spraying elution cavity is arranged, the spraying elution cavities are arranged in series or in parallel, the high-pressure nozzle is arranged in the spraying elution cavity, the high-pressure nozzle is provided with a plurality of high-pressure nozzles, the spraying ends of the high-pressure nozzles face the axis direction of the spraying elution cavity), the high-pressure pipe is provided with a plurality of high-pressure pipes, and one end of each high-pressure pipe is communicated with, the other ends of the high-pressure pipes are communicated to a high-pressure power unit, and cleaning liquid is arranged in the high-pressure power unit.
Further, the side of belt filter press is equipped with continuous type soil bioremediation reactor, continuous type soil bioremediation reactor is including supporting combination equipment and bioreactor equipment, it includes multiunit sled dress frame to support combination equipment, the multiunit sled dress frame is cuboid frame construction along vertical or horizontal direction and makes up the range in proper order, through the bolt reciprocal anchorage, bioreaction equipment includes multiunit bioreactor, the multiunit bioreactor sets up respectively at corresponding multiunit inside the sled dress frame, the multiunit bioreactor connects gradually.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the processing capacity of the device is 40t/h in the operation process, the efficiency is high, the device adopts a container frame structure, the device can be assembled and adapted quickly according to different polluted sites, all water in the device is treated by a sewage treatment unit and then recycled, secondary pollution is avoided, the operation cost is saved, and the technical problems that a polluted soil modification device in the prior art is small in treatment scale, simple in process route, low in equipment processing and design level, insufficient in screening classification and cyclone classification and more in terminal slurry fine particles are solved.
Secondly, clean gravel, coarse sand, medium sand, fine sand and ultrafine sand in the polluted soil are washed out respectively according to the arrangement of the screening unit, and the fine deep treatment is carried out.
And thirdly, aiming at the oil sludge polluted soil or the polluted soil with higher organic matter content, the air flotation unit can be adaptively selected, so that oily pollutants and organic matters can be favorably removed, the adsorption effect of organic matter components of the soil on the pollutants is reduced, and the efficiency and the effect of subsequent deep leaching of the soil are improved. The air flotation unit is used for enabling light organic matters in the slurry to be always in a suspension state due to the aeration effect, enabling soil particles to rub against each other and bear the shearing force of aeration, and removing organic matters and free phase organic pollution mixed or attached in the soil particles; micro-bubble air flotation units are added aiming at fine particles of oil sludge or petroleum hydrocarbon polluted soil, organic matters and pollutants stripped from the soil are removed through micron-sized air bubble affinity, entrainment and independent collection and treatment, the demand of subsequent soil deep chemical or biological treatment agents is reduced, and the use cost of subsequent remediation agents is reduced.
Fourthly, the bioreactor carries out deep biological reaction degradation aiming at the reduced organic pollution of the soil residue, further improves the repairing effect and is suitable for meeting the requirement of higher repairing standard. The reactor can carry out the aerobic reaction for repairing the petroleum hydrocarbon polluted soil through ventilation and stirring, can also carry out the anaerobic reaction for the chlorohydrocarbon polluted soil, and can realize continuous and batch production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a process flow diagram of each unit mechanism in the present invention;
figure 2 is a schematic cross-sectional view of a first vibratory dewatering screen according to the present invention;
figure 3 is a side view of a first vibratory dewatering screen according to the present invention;
FIG. 4 is a schematic structural view of a high pressure spray unit according to the present invention;
FIG. 5 is a schematic view of the continuous soil bioremediation reactor of the present invention;
reference numerals: a vibrating screen 1, a vibrating motor 2, a skid-mounted frame 3, a feed inlet 4, an overflow box 5, an overflow outlet 51, a hydrocyclone 6, a mud tank 71, a mud pump 72, a high-pressure spray elution device 73, a high-pressure pipe 731, a spray elution cavity 732, a high-pressure nozzle 733, a high-pressure power unit 74, a continuous soil bioremediation reactor 8,
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An ectopic efficient skid-mounted leaching system for fine and deep remediation of contaminated soil comprises a roller mud making machine, a high-pressure spraying unit, a screening unit, an air flotation unit, a concentration tank, a water treatment unit and a belt filter press, wherein the roller mud making machine is communicated with the screening unit, the contaminated soil is fully softened, desliming and then conveyed into the screening unit through the roller mud making machine, sand stones and particulate matters in the contaminated soil are gradually screened through the screening unit, the high-pressure spraying unit is arranged in the screening unit, the contaminated soil is subjected to high-pressure spraying through the high-pressure spraying unit and then pollutants on fine sticky grains are stripped, and the screening unit is communicated with the air flotation unit;
when the polluted soil is screened, the screened polluted soil is pumped into the air flotation unit, the polluted soil is subjected to flotation through the air flotation unit, and the polluted soil with oily pollutant or higher organic matter content can be adaptively selected, so that oily pollutant and organic matter can be removed, the adsorption effect of soil organic matter components on the pollutant is reduced, and the efficiency and the effect of subsequent deep leaching of the soil are improved. The air flotation unit is used for enabling light organic matters in the slurry to be always in a suspension state due to the aeration effect, enabling soil particles to rub against each other and bear the shearing force of aeration, and removing organic matters and free phase organic pollution mixed or attached in the soil particles; micro-bubble air flotation units are added aiming at fine particles of oil sludge or petroleum hydrocarbon polluted soil, organic matters and pollutants stripped from the soil are removed through micron-sized air bubble affinity, entrainment and independent collection and treatment, the demand of subsequent soil deep chemical or biological treatment agents is reduced, and the use cost of subsequent remediation agents is reduced.
The air flotation unit is communicated with the concentration tank, the supernatant of the concentration tank is communicated with the water inlet treatment unit, the sludge concentrated in the concentration tank enters the belt filter press, the sludge is subjected to filter pressing through the belt filter press, so that the moisture in the sludge is removed to form a mud cake, the water outlet of the belt filter press is communicated with the water treatment unit, the water at the filtration positions in the concentration tank and the belt filter press is further treated through the water treatment unit, and the water is communicated to each water using mechanism for repeated recycling.
Preferably, the screening unit comprises a primary vibrating screen, a linear vibrating screen, a spiral sand washer, a # 1 buffer storage tank, a # 2 buffer storage tank, a # 3 buffer storage tank, a first vibrating dewatering screen, a second vibrating dewatering screen and a third vibrating dewatering screen, the screen outlets of the primary vibrating screen are communicated with the linear vibrating screen, the lateral ends of the primary vibrating screen and the linear vibrating screen are respectively provided with a belt conveyor, the roller mud making machine conveys the softened and deslimed polluted soil to the primary vibrating screen during operation, the primary vibrating screen performs primary screening on the polluted soil, the large granular materials in the polluted soil are subjected to vibrating screening, the large granular materials (gravels) screened by the primary vibrating screen are collected in a centralized manner through the belt conveyors, the materials screened by the primary vibrating screen are further screened through the linear vibrating screen, and the lateral ends of the linear vibrating screen are connected to the spiral sand washer, cleaning and pushing out coarse particles larger than 1mm, intensively collecting the coarse particles (coarse sand) larger than 1mm through a belt conveyor, communicating a sieve outlet of a linear vibrating screen to a # 1 buffer storage tank, buffering screened materials through the # 1 buffer storage tank, communicating the # 1 buffer storage tank to a high-pressure spraying unit, carrying out high-pressure spraying on polluted soil through the high-pressure spraying unit, then stripping pollutants on fine sticky particles, stripping the pollutants on the fine sticky particles after high-pressure spraying is finished, arranging a hydrocyclone 6 in each of a first vibrating dewatering screen, a second vibrating dewatering screen and a third vibrating dewatering screen, communicating a discharge end of the high-pressure spraying unit to a hydrocyclone 6 in the first vibrating dewatering screen, allowing sewage to enter the first vibrating dewatering screen after passing through the hydrocyclone 6, dewatering and intensively collecting sand (medium sand) larger than 0.25mm through the first vibrating dewatering screen, the first vibration dewatering screen is communicated with a No. 2 cache storage tank, the No. 2 cache storage tank is communicated with a hydrocyclone 6 on a second vibration dewatering screen, muddy water is pumped into the hydrocyclone 6 through the No. 2 cache storage tank and then enters the second vibration dewatering screen for filtration, particles (fine sand) larger than 0.1mm are discharged through the second vibration dewatering screen through dehydration and collected in a concentrated mode, the second vibration dewatering screen is communicated with a No. 3 cache storage tank, the No. 3 cache storage tank is communicated with the hydrocyclone 6 on a third vibration dewatering screen, muddy water is pumped into the hydrocyclone 6 through the No. 3 cache storage tank and then enters a third vibration dewatering screen for filtration, particles (ultra-fine sand) larger than 0.05mm are discharged through dehydration through the third vibration dewatering screen and collected in a concentrated mode, backflow of muddy water below the screen is mixed with muddy water of the previous stage and circulated through a closed loop of the hydrocyclone 6 group, and the muddy water with the thickness less than 0.05mm flows out of an overflow port of the hydrocyclone 6 of the third vibration dewatering screen, and the overflow port of the hydrocyclone 6 of the third vibration dewatering screen flows out and is communicated to the air flotation unit.
Preferably, the first, second and third vibrating dewatering screens have the same structure, the first vibrating dewatering screen is composed of a vibrating screen 1, a vibrating motor 2, a skid-mounted frame 3, a feed inlet 4 and an overflow box 5, the hydrocyclone 6 is mounted on the skid-mounted frame 3, the vibrating screen 1 is mounted in the skid-mounted frame 3, the vibrating motor 2 is arranged on the skid-mounted frame 3, the output end of the vibrating motor 2 is communicated with the vibrating screen 1, the vibrating screen 1 can be driven by the vibrating motor 2 to perform vibrating operation, so that the particulate matters in the sewage are filtered, the screen holes of the vibrating screen 1 in the first, second and third vibrating dewatering screens are gradually reduced, so that the particulate matters in the sewage are gradually filtered, the feed inlet 4 is communicated with the skid-mounted frame 3, and when in use, the sewage is guided into the skid-mounted frame 3 through the feed inlet 4, the overflow box 5 is arranged at the side end of the skid-mounted frame 3, the bottom of the overflow box 5 is provided with an overflow outlet 51, and overflow liquid in the overflow box 5 can be discharged through the overflow outlet 51.
Preferably, the water treatment unit comprises an inclined tube precipitation unit, a sand filter tank, activated carbon and a water return tank, supernatant in the concentration tank enters the water treatment unit and then enters the inclined tube precipitation unit, the sand filter tank, the activated carbon and the water return tank, sewage is further treated through the inclined tube precipitation unit, the sand filter tank and the activated carbon, the treated sewage is pumped into the water return tank for centralized storage, and the water return tank is respectively communicated to the roller sludge making machine, the high-pressure spraying unit and the screening unit through pipelines, so that water sources are provided for all water using equipment in the roller sludge making machine, the high-pressure spraying unit and the screening unit, and the used sewage is subjected to centralized treatment and recycling.
Preferably, the pipe chute deposits, sand filter tank and active carbon all is equipped with two, and single pipe chute deposits, sand filter tank and active carbon passes through the pipeline and establishes ties each other, and two sets of pipe chute deposits, sand filter tank, active carbon communicate respectively to the return-water tank in, through setting up two sets of pipe chute deposits, sand filter tank and active carbon can increase the treatment effeciency of sewage.
Preferably, the number of the belt type pressure filters is two, the bottoms of the concentration tanks are respectively communicated to the two belt type pressure filters, and the two belt type pressure filters can increase the pressure filtration efficiency of the sludge, so that the treatment speed and the treatment efficiency of the sludge treatment device are increased.
Preferably, the front end of the roller mud making machine is provided with a large-bevel-angle belt conveyor, and the polluted soil is conveyed to the roller mud making machine through the large-bevel-angle belt conveyor for centralized treatment, so that the convenience of the invention in feeding the polluted soil to the roller mud making machine is increased.
Preferably, the high-pressure spray unit comprises a slurry tank 71, a slurry pump 72, a high-pressure spray elution device 73 and a high-pressure power unit 74, the slurry tank 71 is communicated with a feeding end of the slurry pump 72, the high-pressure spray elution device 73 is communicated with a discharging end of the slurry pump 72, slurry can be stored through the slurry tank 71, the slurry in the slurry tank 71 can be pumped out through the slurry pump 72 and conveyed into the high-pressure spray elution device 73, the high-pressure spray elution device 73 comprises a high-pressure pipe 731, a spray elution cavity 732 and a high-pressure nozzle 733, one or more spray elution cavities 732 are arranged, the number of the spray elution cavities 732 is determined according to the treatment capacity of the polluted soil and the effect required to be achieved by the polluted soil remediation, the larger the number of the spray elution cavities 732 is, the larger the amount of the polluted soil can be simultaneously repaired, and the better the effect of the polluted soil is repaired, the spraying elution cavities 732 are arranged in series or in parallel, the high-pressure nozzles 733 are arranged in the spraying elution cavities 732, two or four high-pressure nozzles 733 are arranged, the number of the high-pressure nozzles 733 is determined according to the effect required by soil remediation to be treated, the higher the number of the high-pressure nozzles 733 is, the better the elution effect is, the spraying ends of the two or four high-pressure nozzles 733 are all arranged towards the axis direction of the spraying elution cavities 732, the more high-pressure pipes 731 are arranged, one end of each high-pressure pipe 731 is respectively communicated with the water inlet end of one high-pressure nozzle 733, the other ends of the high-pressure pipes 731 are respectively communicated with the high-pressure power unit 74, cleaning liquid is arranged in the high-pressure power unit 74, the cleaning liquid is clear water or remediation agent solution, the cleaning liquid can be set according to the remediation standard of soil, and is conveyed to each high-pressure pipe 731 and each high-pressure nozzle 733 by the high-pressure power, and then the cleaning liquid is sprayed out at a high pressure of 20-80 Mpa through a high-pressure nozzle 733, the cleaning liquid is concentrated to form a converging section through high-pressure jet flow, the total impact force in the section can reach 30-150 Mpa, so that slurry is fully mixed, cut and collided, pollutants are promoted to be stripped from soil particles, the polluted soil is intensively eluted, and the spraying pressure of the cleaning liquid by the high-pressure power unit 74 is determined according to the particle size of particles to be treated and the type of the pollutants.
Preferably, the side of belt filter press is equipped with continuous type soil bioremediation reactor 8, continuous type soil bioremediation reactor 8 is including supporting combination equipment and bioreactor equipment, it includes multiunit sled dress frame to support combination equipment, the multiunit sled dress frame is cuboid frame construction along vertical or horizontal direction and makes up the range in proper order, through the bolt reciprocal anchorage, the bioreaction equipment includes multiunit bioreactor, multiunit the bioreactor sets up respectively at corresponding multiunit inside the sled dress frame, multiunit bioreactor connects gradually.
The bioreactor is an upward cuboid containing cavity with an opening, eight support columns are arranged at the bottom, the support columns extend downwards and are fixedly connected with the lower side of a skid-mounted frame to play a role in supporting and containing, the openable top cover is arranged at the open position of the upper side of the machine body to form the top of the continuous soil bioremediation reactor, the openable top cover can be opened and closed through electric or pneumatic or hydraulic control so as to meet the process requirements and switch aerobic, anoxic or anaerobic remediation modes of the bioreactor at any time, the requirements for remediation of different pollutants and microbial liquids are met, different bioreactors can be opened and closed through the openable top cover to form a multistage series biological treatment process, the feed inlet is arranged on the leftmost openable top cover to facilitate feeding, the discharge device is arranged at the right side of the bottom, and the discharge device of the front group of bioreactors is connected with the feed inlet of the rear group of bioreactors, the series multistage biological treatment process is formed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a high-efficient sled dress drip washing system of dystopy for polluting prosthetic different positions of degree of depth of soil degree of fineness, its characterized in that, includes cylinder system mud machine, high pressure sprays the unit, sieves unit, air supporting unit, concentrated jar, water treatment unit and belt filter press, cylinder system mud machine communicates to screening unit, the high pressure sprays the unit setting in screening unit, screening unit communicates to the air supporting unit, the air supporting unit communicates to concentrated jar, concentrated jar communicates to entering water treatment unit, the mud after the concentration in the concentrated jar gets into in the belt filter press, the delivery port of belt filter press communicates to water treatment unit.
2. The ectopic efficient skid-mounted leaching system for the fine and deep remediation of the polluted soil according to claim 1, wherein the screening unit comprises a preliminary vibrating screen, a linear vibrating screen, a spiral sand washer, a No. 1 buffer storage tank, a No. 2 buffer storage tank, a No. 3 buffer storage tank, a first vibrating dewatering screen, a second vibrating dewatering screen and a third vibrating dewatering screen, the screen outlet of the preliminary vibrating screen is communicated with the linear vibrating screen, the lateral ends of the preliminary vibrating screen and the linear vibrating screen are respectively provided with a belt conveyor, the lateral end of the linear vibrating screen is connected with the spiral sand washer, coarse particles larger than 1mm are cleaned and pushed out, the screen outlet of the linear vibrating screen is communicated with the No. 1 buffer storage tank, the No. 1 buffer storage tank is communicated with the high-pressure spraying unit, and each of the first vibrating dewatering screen, the second vibrating dewatering screen and the third vibrating screen is provided with a hydraulic cyclone (6), the discharge end of the high-pressure spraying unit is communicated to a hydrocyclone (6) in the first vibrating dewatering screen, sewage enters the first vibrating dewatering screen after passing through the hydrocyclone (6), the first vibrating dewatering screen is communicated to a 2# buffer storage tank, the 2# buffer storage tank is communicated to a hydrocyclone (6) on the second vibrating dewatering screen, the second vibrating dewatering screen is communicated to a 3# buffer storage tank, the 3# buffer storage tank is communicated to a hydrocyclone (6) on the third vibrating dewatering screen, and the overflow port of the hydrocyclone (6) of the third vibrating dewatering screen is communicated to the air flotation unit.
3. The ectopic efficient skid-mounted leaching system for the fine and deep remediation of the polluted soil according to claim 2, wherein the first, second and third vibrating dewatering screens have the same structure, the first vibrating dewatering screen comprises a vibrating screen (1), a vibrating motor (2), a skid-mounted frame (3), a feed inlet (4) and an overflow tank (5), the hydrocyclone (6) is installed on the skid-mounted frame (3), the vibrating screen (1) is installed in the skid-mounted frame (3), the vibrating motor (2) is arranged on the skid-mounted frame (3), the output end of the vibrating motor (2) is communicated to the vibrating screen (1), the screen holes of the vibrating screen (1) in the first, second and third vibrating dewatering screens are gradually reduced, and the feed inlet (4) is communicated to the skid-mounted frame (3), the overflow box (5) is arranged at the side end of the skid-mounted frame (3), and an overflow outlet (51) is formed in the bottom of the overflow box (5).
4. The ectopic high-efficiency skid-mounted leaching system for the fine and deep remediation of contaminated soil according to claim 1, wherein the water treatment unit comprises an inclined tube precipitation unit, a sand filtration tank, activated carbon and a water return tank, supernatant in the concentration tank enters the water treatment unit and enters the inclined tube precipitation unit, the sand filtration tank, the activated carbon and the water return tank, and the water return tank is respectively communicated to the drum sludge making machine, the high-pressure spraying unit and the screening unit through pipelines.
5. The ectopic high-efficiency skid-mounted leaching system for the fine and deep remediation of polluted soil as claimed in claim 1, wherein there are two inclined tube precipitators, sand filter tanks and activated carbon, the single inclined tube precipitators, sand filter tanks and activated carbon are connected in series with each other through a pipeline, the two groups of inclined tube precipitators, sand filter tanks and activated carbon are respectively communicated to a water return tank, and the sewage treatment efficiency can be increased by the arrangement of the two groups of inclined tube precipitators, sand filter tanks and activated carbon.
6. The ectopic efficient skid-mounted leaching system for the fine and deep remediation of contaminated soil according to claim 1, wherein there are two belt filter presses, and the bottom of the concentration tank is respectively communicated to the two belt filter presses.
7. The ectopic efficient skid-mounted leaching system for the fine and deep remediation of contaminated soil according to claim 1, wherein a belt conveyor with a large bevel angle is arranged at the front end of the roller mud making machine.
8. The ectopic efficient skid-mounted leaching system for the fine and deep remediation of the polluted soil according to claim 1, wherein the high-pressure spraying unit comprises a slurry tank (71), a slurry pump (72), a high-pressure spraying elution device (73) and a high-pressure power unit (74), the slurry tank (71) is communicated with the feeding end of the slurry pump (72), the high-pressure spraying elution device (73) is communicated with the discharging end of the slurry pump (72), the slurry can be stored through the slurry tank (71), the slurry in the slurry tank (71) can be pumped out and conveyed into the high-pressure spraying elution device (73) through the slurry pump (72), the high-pressure spraying elution device (73) is composed of a high-pressure pipe (731), a spraying elution cavity (732) and a high-pressure nozzle (733), the spraying elution cavity (732) is provided with at least one, and a plurality of the spraying elution cavities (732) are arranged in series or in parallel, the high-pressure nozzle (733) is arranged in the spray elution cavity (732), the high-pressure nozzle (733) is provided with a plurality of high-pressure nozzles, the spraying ends of the high-pressure nozzles (733) are arranged towards the axis direction of the spray elution cavity (732), the high-pressure pipes (731) are provided with a plurality of high-pressure pipes, one end of each high-pressure pipe (731) is communicated to the water inlet end of one high-pressure nozzle (733), the other end of each high-pressure pipe (731) is communicated to the high-pressure power unit (74), and cleaning liquid is arranged in the high-pressure power unit (74).
9. The ectopic efficient skid-mounted leaching system for contaminated soil fine-scale deep remediation is characterized in that a continuous soil bioremediation reactor (8) is arranged at the side end of the belt filter press, the continuous soil bioremediation reactor (8) comprises a supporting combination device and a bioreactor device, the supporting combination device comprises a plurality of skid-mounted frames, the plurality of skid-mounted frames are sequentially arranged in a vertical or horizontal direction in a combined mode and are fixed to each other through bolts, the bioreactor device comprises a plurality of bioreactors, the plurality of bioreactors are respectively arranged inside the corresponding plurality of skid-mounted frames, and the plurality of bioreactors are sequentially connected.
Priority Applications (1)
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|---|---|---|---|
| CN202010762581.8A CN111790743B (en) | 2020-07-31 | Ectopic efficient skid-mounted leaching system for fine depth restoration of polluted soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010762581.8A CN111790743B (en) | 2020-07-31 | Ectopic efficient skid-mounted leaching system for fine depth restoration of polluted soil |
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| Publication Number | Publication Date |
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| CN111790743A true CN111790743A (en) | 2020-10-20 |
| CN111790743B CN111790743B (en) | 2024-07-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112439691A (en) * | 2020-11-30 | 2021-03-05 | 南京中船绿洲环保有限公司 | Be applied to prosthetic sled dress formula high-efficient soil screening system in contaminated site |
| CN112495558A (en) * | 2020-11-16 | 2021-03-16 | 北京建工资源循环利用投资有限公司 | Slotted soil recovery method |
| CN113351638A (en) * | 2021-06-10 | 2021-09-07 | 上海城投上境生态修复科技有限公司 | Leaching system and process for petroleum hydrocarbon and heavy metal contaminated soil |
| CN113828625A (en) * | 2021-11-08 | 2021-12-24 | 北京高能时代环境技术股份有限公司 | Leaching treatment device for heavy metal-organic contaminated soil |
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