CN111940478A - Equipment for improving permeability of clay soil and efficiently leaching heavy metal pollutants - Google Patents
Equipment for improving permeability of clay soil and efficiently leaching heavy metal pollutants Download PDFInfo
- Publication number
- CN111940478A CN111940478A CN202010627844.4A CN202010627844A CN111940478A CN 111940478 A CN111940478 A CN 111940478A CN 202010627844 A CN202010627844 A CN 202010627844A CN 111940478 A CN111940478 A CN 111940478A
- Authority
- CN
- China
- Prior art keywords
- soil
- tank
- plate
- heavy metal
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a slime soil permeability improvement and heavy metal pollutant high-efficiency leaching device, the current remediation of heavy metal polluted soil in Shanghai and surrounding areas is mainly implemented by risk management means such as solidification and stabilization, the leaching technology can thoroughly remove pollutants from soil, the environmental safety is higher, but the soil fine particle content of shallow soil layer in Shanghai city exceeds 25% and the permeability is poor, the existing leaching technology and device are efficiently promoted in consideration of the remediation efficiency and cost, and the device can be better applied to the remediation of the shallow soil in Shanghai, the project starts from the difficult problems and challenges of design and construction which are met by the limitation of soil texture of the leaching technology, forms a key technical system covering the whole process by systematically researching special technology, integration, automation, intelligent improvement and engineering practice application, the ecological function of the leached soil is recovered and the leaching waste liquid is recycled, the human living environment, ecological function and development and utilization value of the restored land are ensured to be prolonged and sustainably improved and improved.
Description
Technical Field
The invention relates to the technical field of soil improvement, in particular to a slime soil permeability improvement and heavy metal pollutant high-efficiency leaching device.
Background
The soil is an important component of ecological environment, and along with the vigorous promotion of governments and environmental protection personnel, the importance of soil pollution remediation is increasingly highlighted. The causes of the deterioration of the soil environment are various, such as: pollution from agricultural production, transportation and inventory; pollution caused by petrochemical production, storage and transportation and leakage of gas stations; the pollutants can permeate underground, diffuse through underground water and pollution feather to cause secondary pollution, and enter human bodies through the food chain enrichment of a soil-plant system or a soil-plant-animal system, so that the health of the human bodies is directly harmed. The soil pollution has the characteristics of concealment, irreversibility, long-term property, influence severity and the like, so that the solution of the soil pollution is always an international difficult point and a hotspot problem;
the pretreatment method and the device for improving the soil washing desorption performance have the application publication number of CN 106111684A, and the invention adopts a jacket type spiral feeding sieve and hydrocyclone combined soil particle screener group to carry out the pretreatment of soil washing desorption, thereby being beneficial to distinguishing treatment, classifying treatment, saving resources, reducing energy consumption, accelerating treatment speed and improving the soil washing desorption performance;
the invention discloses an improvement method of sand-clay loam saline-alkali soil with application publication number CN 107912098A, which uses organic acid and organic matters in decomposed biogas residues or decomposed sludge to promote the cementation and compounding of iron tailings and saline-alkali soil, reduces the uneven settlement and the layering of the iron tailings, ensures the uniformity and the stability of the soil texture, and reduces the cost for improving the sand-clay loam saline-alkali soil. Because the iron tailings are waste of iron mine production, the iron tailings are used for improvement, so that the iron tailings are recycled, and the improvement cost is reduced.
When the soil is treated, the soil is generally treated by single improvement operation or washing operation, the improvement process is single, the soil quality cannot be better improved, and in the improvement process, due to discontinuous operation flow and a large amount of manpower and material resources, the soil purification effect is poor, and the purification efficiency is low.
Disclosure of Invention
The invention aims to provide the equipment for improving the permeability of the mucky soil and efficiently leaching the heavy metal pollutants, which realizes integration and automation of soil leaching and dehydration, can realize continuous operation, improves the soil leaching efficiency and effect in a multi-angle and all-round way from three aspects of mucky soil improvement, efficient leacheate research and development and leaching section process enhancement, and has the purification degree of the polluted soil which is treated by the equipment to be up to 90-95 percent.
In order to achieve the purpose, the invention adopts the following technical scheme:
a slime soil permeability improvement and high-efficient drip washing equipment of heavy metal pollutant includes: the improved soil feeding hopper, the heating bin, the spiral propeller, the eluent feeding hopper, the mudguard, the speed regulating motor, the bracket and the eluent collecting pipe; the top side of support is erect and is had a reaction cylinder, soil feeder hopper after the improvement is installed to the bottom top side of reaction cylinder, the fender is installed through the bolt cooperation in the top of reaction cylinder, the middle part periphery top side at the reaction cylinder is installed to the eluent feeder hopper, the buncher is installed through the bolt cooperation in one side of fender, the top periphery bottom side at the reaction cylinder is fixed on the top of eluent collecting pipe, the bottom of screw propeller is worn to establish in the bottom side of reaction cylinder through the bearing cooperation, the output end at the buncher is installed through the shaft coupling cooperation in the top of screw propeller, the inner chamber bottom cooperation of reaction cylinder is provided with the heated warehouses.
Preferably, second grade reaction tank and first order reaction tank set up side by side, agitator motor is installed respectively to the inside in second grade reaction tank and first order reaction tank, the inclined plate sedimentation tank sets up the one side at the second grade reaction tank, the sheet frame filter press is installed to the bottom of inclined plate sedimentation tank, the leacheate storage tank sets up the one side at the inclined plate sedimentation tank, install the backwash pump on the inclined plate sedimentation tank, the discharge pipe is installed to the output of backwash pump, installs flowmeter and gate valve on the discharge pipe, and the other end of discharge pipe erects the top at the leacheate feeder hopper, the water inlet end of backwash pump passes through the pipe and leacheate storage tank communicates, be provided with the overflow hole between inclined plate sedimentation tank and the second grade reaction tank, adjusting part installs the one side at the first order reaction tank, be provided with the water pump between adjusting part and the first order reaction tank, the both ends of water pump communicate with first order reaction tank and, and an overflow hole is arranged between the secondary reaction tank and the primary reaction tank.
Preferably, the spiral cylinder is installed to the top side of mounting bracket, the promotion motor is installed on the top of spiral cylinder, it installs the lifting screw to promote the motor shaft, install soil and soil amendment mixing hopper on the bottom terminal surface of spiral cylinder, soil amendment dosing hopper is installed to the bottom periphery top side of spiral cylinder, the bottom top side at the mounting bracket is installed to the soil feeder hopper, and the output tip of lifting machine is provided with the port department of soil feeder hopper.
Preferably, the bottom side of the circumferential surface of the top of the spiral roller is provided with a discharge opening, and the discharge opening is positioned right above the improved soil feed hopper.
Preferably, the top of the reaction cylinder is of a hollow structure, a fixed steel structure spiral piece is arranged inside the spiral propeller, and the fixed steel structure spiral is attached to the inner wall surface of the spiral propeller.
Preferably, the adjusting assembly comprises an adjusting tank, a pumping pump, a first flow guide pipe, a second flow guide pipe, a fixing plate, a warning lamp, a conductive plate, a conductive shifting piece, an extrusion spring, a telescopic pipe 0, a buoyancy ball, a filter screen, a flow guide tank and an alarm electric plate, a partition plate is arranged in the adjusting tank, a flow guide hole is formed in the bottom of the partition plate, the pumping pump is arranged on one side of the adjusting tank through bolt matching, the output end of the pumping pump is communicated with the adjusting tank through a guide pipe, the fixing plate is vertically welded on the top side of the adjusting tank, the conductive plate and the alarm electric plate are arranged on the side edge of the fixing plate in parallel, the warning lamp is arranged at the top of the fixing plate, a through hole is formed in the top side wall of the adjusting tank, the bottom end of the telescopic pipe is arranged in the through hole in a penetrating manner, the conductive shifting piece is arranged at the top of the telescopic pipe in a matching way through an extrusion spring.
Preferably, current conducting plate, electrically conductive plectrum, pump machine and power pass through the wire and connect to be series circuit, current conducting plate and alarm electroplax are provided with side by side, alarm electroplax and current conducting plate are connected side by side, alarm electroplax passes through wire series connection with the warning light.
Preferably, a pumping and draining pump is arranged between the adjusting component and the plate-and-frame filter press, two ends of the pumping and draining pump are respectively communicated with the plate-and-frame filter press and the adjusting component, the top end of the first flow guide pipe is communicated with the bottom of the heating bin, and the bottom end of the leacheate collecting pipe is communicated with the second flow guide pipe.
The invention has the beneficial effects that:
in the invention, the improved soil feeding hopper is used for feeding the improved soil into the reaction cylinder, the spiral propeller is driven to rotate during operation by the speed regulating motor, the clay soil and the soil conditioner are fully mixed in the reaction cylinder, the clay soil and the soil conditioner are fed into the high-efficiency leaching and dehydrating section under the push of the internal spiral structure, and are fully mixed and contacted with the leacheate at the port of the leacheate feeding hopper 4 along with the rotation of the spiral stirring shaft after entering the high-efficiency leaching and dehydrating section, so that the heavy metal in the soil is primarily transferred to the liquid phase of the leacheate, the heavy metal is rotated along with the spiral propeller, the polluted soil fully mixed with the leacheate is moved to the discharge port at the high end of the reaction cylinder, and the polluted soil and the leacheate at the tail end of the leaching section form reverse flow in the process, the secondary leaching of the soil is realized, and the heavy metal content in the soil is further reduced, when the mud-water mixture is conveyed to the dehydration section in the reaction cylinder, the volume of the dehydration section is reduced along with the reduction of the screw pitch of the screw propeller, the mud-water mixture is extruded, filtrate is discharged through the leacheate collecting pipe, the elution efficiency is improved by auxiliary heating under the cooperation of the heating bin, the integration and automation of soil leaching and dehydration can be realized, the continuous operation can be realized, the soil leaching efficiency and the effect can be improved from three aspects of improvement of slime soil, research and development of efficient leacheate and process enhancement of the leaching section in a multi-angle and all-around manner, the purification degree of the polluted soil treated by the washing section is estimated to be 90-95 percent, the invention has high integration degree, can be continuously treated, reduces the labor input and improves the working efficiency.
The used eluent is collected in the regulating component, the eluent is input into the first-stage reaction tank and the second-stage reaction tank after being collected, mixed medicines are put into the first-stage reaction tank and the second-stage reaction tank step by step, the quality of the eluent is changed, the eluent overflows into the inclined plate sedimentation tank after the eluent reacts, filter pressing is carried out through the operation of a plate-and-frame filter press, the eluent is conveyed to the regulating component after the filter pressing, the repeated use of the eluent can be realized after the eluent is treated again, and the utilization degree of the eluent is improved;
when floating through the flexible pipe, electrically conductive plectrum is laminated with the current conducting plate under the cooperation of extrusion spring, guarantee the normal operation of pump machine between one-level reaction tank and the adjusting part, can stably realize the pump drainage operation, at the in-process of drip washing, the drip washing liquid has a consumption, reduce the back at the drip washing agent, the horizontal position of flexible pipe changes thereupon, when the measurement of drip washing agent is lower, electrically conductive plectrum and second water conservancy diversion pipe contact, the warning light is bright, the pump machine between one-level reaction tank and the adjusting part stops the operation, can remind operating personnel to supply the drip washing agent, simultaneously better protection pump machine, avoid the evacuation, reduce mechanical loss.
Drawings
FIG. 1 is an overall structure diagram of the apparatus for improving permeability of slime soil and leaching heavy metal pollutants efficiently in the present invention;
FIG. 2 is a structural diagram of the internal structure of an adjusting component in the whole equipment for improving permeability of slime soil and efficiently leaching heavy metal pollutants according to the invention;
FIG. 3 is a perspective view of an adjusting assembly in the whole apparatus for improving permeability of slime soil and leaching heavy metal pollutants efficiently according to the present invention;
FIG. 4 is a three-dimensional structure diagram of a spiral propeller in the whole body of the equipment for improving permeability of the slime soil and efficiently leaching heavy metal pollutants according to the invention;
illustration of the drawings:
1. a soil feed hopper after improvement; 2. a heating chamber; 3. a screw propeller; 4. a eluent feed hopper; 5. a fender; 6. a speed-regulating motor; 7. a support; 8. a leacheate collecting pipe; 9. a flow meter; 10. a gate valve; 11. a reflux pump; 12. a leacheate storage tank; 13. a sloping plate sedimentation tank; 14. a plate-and-frame filter press; 15. a secondary reaction tank; 16. a first-stage reaction tank; 17. an adjustment assembly; 18. a mounting frame; 19. a soil feed hopper; 20. a hoist; 21. a soil and soil conditioner mixing hopper; 22. a soil conditioner feeding hopper; 23. a helical drum; 25. a hoisting motor; 26. a reaction cylinder; 171. a regulating tank; 172. a pump-out pump; 173. a first draft tube; 174. a second draft tube; 175. a fixing plate; 176. a warning light; 177. a conductive plate; 178. a conductive paddle; 179. a compression spring; 1710. a telescopic pipe; 1711. a buoyant ball; 1712. a filter screen; 1714. alarm electric board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Specific examples are given below.
Referring to fig. 1 to 4, an apparatus for improving permeability of slime soil and efficiently leaching heavy metal pollutants comprises: the improved soil comprises a soil feed hopper 1, a heating bin 2, a spiral propeller 3, an eluent feed hopper 4, a mudguard 5, a speed regulating motor 6, a bracket 7 and an eluent collecting pipe 8; a reaction cylinder 26 is erected on the top side of the support 7, an improved soil feeding hopper 1 is installed on the top side of the bottom end of the reaction cylinder 26, a fender 5 is installed on the top end of the reaction cylinder 26 in a bolt matching mode, an eluting agent feeding hopper 4 is installed on the top side of the middle circumferential surface of the reaction cylinder 26, an adjustable speed motor 6 is installed on one side of the fender 5 in a bolt matching mode, the top end of an eluting agent collecting pipe 8 is fixed on the bottom side of the top circumferential surface of the reaction cylinder 26, the bottom end of a spiral propeller 3 is arranged in the bottom side of the reaction cylinder 26 in a penetrating mode through a bearing in a matching mode, the top end of the spiral propeller 3 is installed on the output end portion of the adjustable speed motor 6 in a matching mode through a coupler, a heating bin 2 is arranged on the bottom of an inner cavity of, the fixed steel structure spiral is attached to the inner wall surface of the spiral propeller 3, during operation, the improved soil enters the reaction cylinder 26 through the improved soil feed hopper 1, the spiral propeller 3 can be driven to rotate when the speed regulating motor 6 operates, the slime soil and the soil conditioner can be fully mixed in the reaction cylinder 26, the slime soil and the soil conditioner are fed into the high-efficiency leaching and dewatering section under the pushing of the internal spiral structure, the slime soil and the soil conditioner enter the high-efficiency leaching and dewatering section and then fully contact with the leacheate at the port of the leacheate feed hopper 4 along with the rotation of the spiral stirring shaft, heavy metals in the soil are primarily transferred to a liquid phase where the leacheate is located, the heavy metals are transferred to the liquid phase where the leacheate moves along with the rotation of the spiral propeller 3, the polluted soil fully mixed with the leacheate moves to a discharge port at the high end of the reaction cylinder 26, and the, the secondary leaching of the soil is realized, the heavy metal content in the soil is further reduced, when the mud-water mixture is conveyed to the rear dehydration section in the reaction cylinder 26, the volume of the dehydration section is reduced along with the reduction of the screw pitch of the screw propeller 3, the mud-water mixture is extruded, the filtrate is discharged through the leacheate collecting pipe 8, and the elution efficiency is improved through auxiliary heating under the cooperation of the heating bin 2.
As an embodiment of the invention, a secondary reaction tank 15 and a primary reaction tank 16 are arranged in parallel, stirring motors are respectively arranged in the secondary reaction tank 15 and the primary reaction tank 16, an inclined plate sedimentation tank 13 is arranged at one side of the secondary reaction tank 15, a plate-and-frame filter press 14 is arranged at the bottom of the inclined plate sedimentation tank 13, an eluent storage tank 12 is arranged at one side of the inclined plate sedimentation tank 13, a reflux pump 11 is arranged on the inclined plate sedimentation tank 13, a discharge pipe is arranged at the output end of the reflux pump 11, a flow meter 9 and a gate valve 10 are arranged on the discharge pipe, the other end of the discharge pipe is erected at the top end of an eluent feed hopper 4, the water inlet end of the reflux pump 11 is communicated with the eluent storage tank 12 through a conduit, an overflow hole is arranged between the inclined plate sedimentation tank 13 and the secondary reaction tank 15, a regulating component 17 is arranged at one side of the primary reaction tank 16, be provided with the water pump between adjusting part 17 and the one-level reaction tank 16, the both ends of water pump communicate with one-level reaction tank 16 and adjusting part 17 respectively, be provided with the overflow hole between second grade reaction tank 15 and the one-level reaction tank 16, in the during operation, the eluent after the eluent uses is collected in adjusting part 17, after collecting, the eluent is inputed into one-level reaction tank 16 and second grade reaction tank 15, put in mixed medicine step by step, change the quality of eluent, after the eluent reaction, the eluent overflows in inclined plate sedimentation tank 13, carry out the filter-pressing through plate and frame filter press 14 operation, after the filter-pressing, carry adjusting part 17, after handling once more, inputing in reflux pump 11 through inclined plate sedimentation tank 13, under reflux pump 11's effect, provide the eluent for reaction barrel 26.
As an embodiment of the invention, a spiral roller 23 is installed on the top side of the installation frame 18, a lifting motor 25 is installed on the top end of the spiral roller 23, a lifting screw rod is installed on the rotating shaft of the lifting motor 25, a soil and soil conditioner mixing hopper 21 is installed on the bottom end surface of the spiral roller 23, a soil conditioner adding hopper 22 is installed on the top side of the bottom circumferential surface of the spiral roller 23, the soil feeding hopper 19 is installed on the top side of the bottom of the installation frame 18, the output end part of the lifter 20 is provided with a port part of the soil feeding hopper 19, a discharge outlet is opened on the bottom side of the top circumferential surface of the spiral roller 23, the discharge outlet is positioned right above the improved soil feeding hopper 1, when the lifter 20 works, the soil conditioner is conveyed into the soil and soil mixing hopper 21 through the cooperation of the soil feeding hopper 19, the conditioner is conveyed into the soil and soil conditioner mixing, under the cooperation drive of lifting motor 25, can realize the mixture of soil and improver, under the cooperation of promotion lead screw, be about to the soil of miscella improver and carry the bottom of reaction cylinder 26, realize the feeding of reaction cylinder 26 through soil feeder hopper 1 after the improvement.
As an embodiment of the present invention, the adjusting assembly 17 includes an adjusting tank 171, a partition plate is disposed inside the adjusting tank 171, a diversion hole is opened at the bottom of the partition plate, the pump 172 is installed at one side of the adjusting tank 171 through a bolt fit, an output end of the pump 172 is communicated with the adjusting tank 171 through a conduit, the fixing plate 175 is vertically welded at the top side of the adjusting tank 171, a conducting plate 177 and an alarm electric plate 1714 are installed side by side at the side of the fixing plate 175, a warning light 176 is installed at the top of the fixing plate 175, a through hole is opened inside the top side wall of the adjusting tank 171, a bottom end of the telescopic pipe 1710 is penetrated in the through hole, a filtering net 1712 is disposed at a bottom port of the telescopic pipe 1710, a buoyancy ball 1711 is pasted at the bottom of the telescopic pipe 1710, a conductive poking sheet 178 is installed at the top of the telescopic pipe, the utility model discloses a portable multifunctional washing machine, including conducting plate 177, electrically conductive plectrum 178, pump machine and power, conducting plate 177 and alarm electric plate 1714 are connected as series circuit through the wire, conducting plate 177 and alarm electric plate 1714 are provided with side by side, alarm electric plate 1714 is connected side by side with conducting plate 177, alarm electric plate 1714 passes through wire series connection with warning light 176, be provided with pump drainage 172 between adjusting part 17 and the filter press 14, pump drainage 172's both ends communicate with filter press 14 and adjusting part 17 respectively, the top of first honeycomb duct 173 communicates with the bottom of heating chamber 2, the bottom of leacheate collecting pipe 8 communicates with second honeycomb duct 174, and during operation, carry the inside of equalizing basin 171 through first honeycomb duct 173 and second honeycomb duct 174 with the leacheate after using, the leacheate circulates to the opposite side of equalizing basin 171 through the water conservancy diversion hole of baffle, buoyancy ball 1711 receives the buoyancy operation of leacheate, can adjust the position cooperation of expansion pipe 1710, when the extension tube 1710 floats, the conductive shifting piece 178 is attached to the conductive plate 177 under the matching of the extrusion spring 179, normal operation of a pump between the first-level reaction tank 16 and the adjusting assembly 17 is guaranteed, pumping operation can be stably realized, in the leaching process, the leaching solution is consumed, after the leaching solution is reduced, the horizontal position of the extension tube 1710 is changed accordingly, when the metering of the leaching solution is low, the conductive shifting piece 178 is in contact with the second flow guide tube 174, the warning lamp 176 is bright, the pump between the first-level reaction tank 16 and the adjusting assembly 17 stops operating, operators can be reminded to supplement the leaching solution, the pump is better protected simultaneously, evacuation is avoided, and mechanical loss is reduced.
The working principle is as follows: during the soil improvement operation, the hoister 20 operates to convey soil into the soil and soil conditioner mixing hopper 21 through the cooperation of the soil conditioner feeding hopper 19, convey the conditioner into the soil and soil conditioner mixing hopper 21 through the soil conditioner feeding hopper 22, under the driving of the cooperation of the hoisting motor 25, the mixing of the soil and the conditioner can be realized, under the cooperation of the hoisting screw rod, the soil of the mixed oil conditioner is conveyed to the bottom of the reaction cylinder 26, the soil after the feeding and the improvement of the reaction cylinder 26 is realized through the improved soil feeding hopper 1, the soil enters the reaction cylinder 26 through the improved soil feeding hopper 1, the speed regulating motor 6 can drive the screw propeller 3 to rotate during the operation, the clay soil and the soil conditioner can be fully mixed in the reaction cylinder 26, under the pushing of the internal spiral structure, the clay soil is conveyed into the efficient leaching dewatering section, and enters the efficient leaching dewatering section, along with the rotation of the spiral stirring shaft, the sludge and the eluent at the port of the eluent feed hopper 4 are fully mixed and contacted, heavy metals in the soil are transferred to a liquid phase where the eluent is located preliminarily, the sludge and the eluent are rotated along with the spiral propeller 3, the polluted soil after being fully mixed with the eluent moves to a discharge hole at the high end of the reaction cylinder 26, and in the process, the polluted soil and the eluent at the tail end of an elution section form reverse flow, so that secondary elution of the soil is realized, the content of the heavy metals in the soil is further reduced, when the sludge and water mixture is conveyed to a dehydration section in the reaction cylinder 26, the volume of the dehydration section is reduced along with the reduction of the screw pitch of the spiral propeller 3, the sludge and water mixture is extruded, filtrate is discharged through the eluent collecting pipe 8, and the auxiliary heating is carried out;
the eluent after the eluent is used is collected in the adjusting component 17, after the eluent is collected, the eluent is input into the first-stage reaction tank 16 and the second-stage reaction tank 15, mixed medicines are put into the first-stage reaction tank and the second-stage reaction tank step by step to change the quality of the eluent, after the eluent is reacted, the eluent overflows into the inclined plate sedimentation tank 13, filter pressing is carried out through the operation of the plate-and-frame filter press 14, after the filter pressing, the eluent is conveyed to the adjusting component 17, after treatment again, the eluent is input into the reflux pump 11 through the inclined plate sedimentation tank 13, under the action of the reflux pump 11, the eluent is provided for the reaction cylinder 26, the eluent after the eluent is used is conveyed into the adjusting tank 171 through the first guide pipe 173 and the second guide pipe 174, the eluent flows to the other side of the adjusting tank 171 through the guide holes of the partition plate, the buoyancy ball 1711 is subjected to the buoyancy operation of the eluent, the position matching, conductive plectrum 178 is laminated with current conducting plate 177 under the cooperation of extrusion spring 179, guarantee the normal operation of pump machine between one-level reaction tank 16 and the adjusting part 17, can stably realize the pump drainage operation, in the in-process of drip washing, the drip washing liquid has a consumption, reduce the back at the drip washing agent, the horizontal position of flexible pipe 1710 changes thereupon, when the measurement of drip washing agent is lower, conductive plectrum 178 and second honeycomb duct 174 contact, warning light 176 is bright, the pump machine between one-level reaction tank 16 and the adjusting part 17 stops the operation, can remind operating personnel to supply the drip washing agent, better protection pump machine simultaneously, avoid the evacuation, reduce mechanical loss.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a slime soil permeability improvement and high-efficient drip washing equipment of heavy metal pollutant which characterized in that includes: the improved soil comprises a soil feeding hopper (1), a heating bin (2), a spiral propeller (3), an eluent feeding hopper (4), a mudguard (5), a speed regulating motor (6), a bracket (7) and an eluent collecting pipe (8); reaction cylinder (26) are erect to the top side of support (7), soil feeder hopper (1) after the improvement is installed to the bottom top side of reaction cylinder (26), fender (5) are installed through the bolt cooperation in the top of reaction cylinder (26), and install in the middle part periphery top side of reaction cylinder (26) eluent feeder hopper (4), and buncher (6) are installed through the bolt cooperation in one side of fender (5), and the top periphery bottom side at reaction cylinder (26) is fixed on the top of eluent collecting pipe (8), and the bottom of auger (3) is worn to establish in the bottom side of reaction cylinder (26) through the bearing cooperation, the output tip in buncher (6) is installed through the shaft coupling cooperation in the top of auger (3), the inner chamber bottom cooperation of reaction cylinder (26) is provided with heating chamber (2).
2. The slime soil permeability improvement and heavy metal pollutant high-efficiency leaching equipment according to claim 1, wherein a secondary reaction tank (15) and a primary reaction tank (16) are arranged in parallel, stirring motors are respectively arranged in the secondary reaction tank (15) and the primary reaction tank (16), an inclined plate sedimentation tank (13) is arranged on one side of the secondary reaction tank (15), a plate frame filter press (14) is arranged at the bottom of the inclined plate sedimentation tank (13), a leaching solution storage tank (12) is arranged on one side of the inclined plate sedimentation tank (13), a reflux pump (11) is arranged on the inclined plate sedimentation tank (13), a discharge pipe is arranged at the output end of the reflux pump (11), a flow meter (9) and a gate valve (10) are arranged on the discharge pipe, the other end of the discharge pipe is erected at the top end of the leaching solution feed hopper (4), the water inlet end of the reflux pump (11) is communicated with the leaching solution storage tank (12) through a conduit, be provided with the overflow hole between swash plate sedimentation tank (13) and second grade reaction tank (15), one side at one-level reaction tank (16) is installed in adjusting part (17), be provided with the water pump between adjusting part (17) and one-level reaction tank (16), the both ends of water pump communicate with one-level reaction tank (16) and adjusting part (17) respectively, be provided with the overflow hole between second grade reaction tank (15) and one-level reaction tank (16).
3. The viscose soil permeability improvement and heavy metal pollutant high efficiency drip washing equipment of claim 2, characterized in that, spiral cylinder (23) are installed to the top side of mounting bracket (18), lifting motor (25) are installed on the top of spiral cylinder (23), the lifting screw rod is installed in lifting motor (25) pivot, install soil and soil amendment mixing hopper (21) on the bottom terminal surface of spiral cylinder (23), soil amendment adding hopper (22) is installed on the bottom periphery top side of spiral cylinder (23), and the bottom top side at mounting bracket (18) is installed to soil feeder hopper (19), and the output tip of lifting machine (20) is provided with the port department of soil feeder hopper (19).
4. The permeability improvement and high-efficiency heavy metal pollutant leaching equipment for the slime soil according to claim 3, wherein a discharge opening is formed in the bottom side of the circumferential surface of the top of the spiral roller (23), and the discharge opening is positioned right above the improved soil feeding hopper (1).
5. The viscose soil permeability improvement and heavy metal pollutant high-efficiency leaching equipment according to claim 4, wherein the top of the reaction cylinder (26) is provided with a hollow structure, a fixed steel structure spiral sheet is arranged inside the spiral propeller (3), and the fixed steel structure spiral is attached to the inner wall surface of the spiral propeller (3).
6. The viscose soil permeability improvement and heavy metal pollutant high efficiency leaching equipment according to claim 2, wherein the adjusting component (17) comprises an adjusting tank (171), the inside of the adjusting tank (171) is provided with a partition plate, the bottom of the partition plate is provided with a diversion hole, a pump drainage pump (172) is installed at one side of the adjusting tank (171) through bolt cooperation, the output end of the pump drainage pump (172) is communicated with the adjusting tank (171) through a pipe, a fixing plate (175) is vertically welded at the top side of the adjusting tank (171), a current-conducting plate (177) and an alarm electric plate (1714) are installed side by side at the side of the fixing plate (175), a warning lamp (176) is installed at the top of the fixing plate (175), a through hole is opened inside the top side wall of the adjusting tank (171), the bottom end of a telescopic pipe (1710) is penetrated in the through hole, a filter screen (1712) is arranged at the bottom port of the telescopic, buoyancy balls (1711) are pasted at the bottom of the telescopic pipe (1710), and the conductive shifting piece (178) is installed at the top of the telescopic pipe (1710) in a matching mode through an extrusion spring (179).
7. The muddy soil permeability improvement and heavy metal pollutant high efficiency leaching equipment according to claim 6, wherein the conductive plate (177), the conductive plectrum (178), the pump and the power supply are connected into a series circuit through wires, the conductive plate (177) and the alarm electric plate (1714) are arranged in parallel, the alarm electric plate (1714) is connected with the conductive plate (177) in parallel, and the alarm electric plate (1714) is connected with the warning light (176) in series through wires.
8. The slime soil permeability improvement and heavy metal pollutant high-efficiency leaching equipment according to claim 6, wherein a pumping and draining pump (172) is arranged between the adjusting component (17) and the plate-and-frame filter press (14), two ends of the pumping and draining pump (172) are respectively communicated with the plate-and-frame filter press (14) and the adjusting component (17), the top end of the first guide pipe (173) is communicated with the bottom of the heating bin (2), and the bottom end of the leacheate collecting pipe (8) is communicated with the second guide pipe (174).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627844.4A CN111940478A (en) | 2020-07-01 | 2020-07-01 | Equipment for improving permeability of clay soil and efficiently leaching heavy metal pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627844.4A CN111940478A (en) | 2020-07-01 | 2020-07-01 | Equipment for improving permeability of clay soil and efficiently leaching heavy metal pollutants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111940478A true CN111940478A (en) | 2020-11-17 |
Family
ID=73337401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010627844.4A Pending CN111940478A (en) | 2020-07-01 | 2020-07-01 | Equipment for improving permeability of clay soil and efficiently leaching heavy metal pollutants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111940478A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210410A (en) * | 2021-05-17 | 2021-08-06 | 深圳市金海威景观设计工程有限公司 | Heavy metal contaminated soil treatment method and device for implementing same |
| CN113732043A (en) * | 2021-07-28 | 2021-12-03 | 湖南新九方科技有限公司 | Heavy metal polluted medium enhanced leaching device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601106A (en) * | 2012-03-08 | 2012-07-25 | 中国科学院过程工程研究所 | Ectopic leaching restoring device and restoring method for chromic slag polluted soil |
| CN204074695U (en) * | 2014-09-05 | 2015-01-07 | 上海康恒环境股份有限公司 | A kind of integrated module integrated equipment repaired and improve soil |
| CN105772497A (en) * | 2016-04-12 | 2016-07-20 | 上海格林曼环境技术有限公司 | Soil ectopic leaching restoring complete equipment |
| KR101645426B1 (en) * | 2015-09-09 | 2016-08-04 | 현대건설주식회사 | System and method for remediation of dredged soil or sediment |
| CN209438270U (en) * | 2018-12-04 | 2019-09-27 | 天津市泰源工业气体有限公司 | Industrial waste-gas purifier |
-
2020
- 2020-07-01 CN CN202010627844.4A patent/CN111940478A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601106A (en) * | 2012-03-08 | 2012-07-25 | 中国科学院过程工程研究所 | Ectopic leaching restoring device and restoring method for chromic slag polluted soil |
| CN204074695U (en) * | 2014-09-05 | 2015-01-07 | 上海康恒环境股份有限公司 | A kind of integrated module integrated equipment repaired and improve soil |
| KR101645426B1 (en) * | 2015-09-09 | 2016-08-04 | 현대건설주식회사 | System and method for remediation of dredged soil or sediment |
| CN105772497A (en) * | 2016-04-12 | 2016-07-20 | 上海格林曼环境技术有限公司 | Soil ectopic leaching restoring complete equipment |
| CN209438270U (en) * | 2018-12-04 | 2019-09-27 | 天津市泰源工业气体有限公司 | Industrial waste-gas purifier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210410A (en) * | 2021-05-17 | 2021-08-06 | 深圳市金海威景观设计工程有限公司 | Heavy metal contaminated soil treatment method and device for implementing same |
| CN113732043A (en) * | 2021-07-28 | 2021-12-03 | 湖南新九方科技有限公司 | Heavy metal polluted medium enhanced leaching device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203373225U (en) | Industrial heavy metal wastewater treatment system | |
| CN111940478A (en) | Equipment for improving permeability of clay soil and efficiently leaching heavy metal pollutants | |
| CN204981572U (en) | High -efficient mud chemistry modulation hybrid tube | |
| CN107352763A (en) | A kind of duct type sludge slagging-off automation control system and its control method | |
| CN201244383Y (en) | High-efficient thickening machine | |
| CN210885588U (en) | Industry tail water environmental protection treatment system | |
| CN205590541U (en) | Be applied to dewater fast sludge dewaterer of engineering of city river silt | |
| CN203540183U (en) | Dyeing wastewater fiber treatment system | |
| CN215855723U (en) | Mobile dredging sediment in-situ depth grading integrated device | |
| CN201151690Y (en) | Apparatus for treating waste water using solid micro-electrolyzing filler | |
| CN211998978U (en) | Eddy current solid-liquid separation device | |
| CN211688422U (en) | High-efficient liquid polyaluminium chloride processing apparatus | |
| CN110092545B (en) | Coating wastewater nitrogen-containing treatment and discharge system | |
| CN113772914A (en) | Mobile dredged sediment in-situ depth grading integrated device and operation method thereof | |
| CN206799412U (en) | Sludge concentration device capable of continuously and stably dewatering | |
| CN207483504U (en) | Surface waste liquid composite processing system | |
| CN206156821U (en) | Wood fibre board waste water sludge dewatering system | |
| CN215162101U (en) | Sludge treatment is with squeezing dewatering system | |
| CN206027244U (en) | Ceramic factory silt processing system | |
| CN112794623A (en) | Sludge treatment device for removing heavy metals and dehydrating | |
| CN214457068U (en) | Integrated muddy water treatment system that arranges | |
| CN204981573U (en) | Quenching and tempering pipe is mixed to high -efficient mud developments | |
| CN115321745B (en) | Garbage disposal system | |
| CN219031925U (en) | Heavy metal-containing ore water treatment system | |
| CN202643420U (en) | Immersed type jet flow membrane bioreactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201117 |
|
| RJ01 | Rejection of invention patent application after publication |