CN114985441A - Photocatalytic soil remediation system and remediation method - Google Patents
Photocatalytic soil remediation system and remediation method Download PDFInfo
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- CN114985441A CN114985441A CN202210546056.1A CN202210546056A CN114985441A CN 114985441 A CN114985441 A CN 114985441A CN 202210546056 A CN202210546056 A CN 202210546056A CN 114985441 A CN114985441 A CN 114985441A
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- 238000006303 photolysis reaction Methods 0.000 claims abstract description 136
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- 238000012216 screening Methods 0.000 claims abstract description 107
- 239000007788 liquid Substances 0.000 claims abstract description 96
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Classifications
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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
- B09C1/06—Reclamation of contaminated soil thermally
Abstract
The invention discloses a photocatalytic soil remediation system and a remediation method, belonging to the field of soil remediation; a photocatalytic soil remediation system comprises a screening mechanism, a solid photolysis treatment box, a liquid photolysis treatment box and a mixed photolysis treatment box, wherein the solid photolysis treatment box, the liquid photolysis treatment box and the mixed photolysis treatment box are arranged in parallel from left to right; the invention can carry out three operation means of direct photodegradation, suspension photodegradation and combined treatment of solvent extraction and photodegradation in the current soil remediation technology, and can control the quality of the internal soil entering the collection box in real time in the treatment process, while the three treatment boxes of the solid photolysis treatment box, the liquid photolysis treatment box and the mixed photolysis treatment box can work simultaneously, and the screening mechanism can carry out multiple screening to treat different types of soil.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to a photocatalytic soil remediation system and a remediation method.
Background
Soil is a material foundation for sustainable development of the economic society, however, due to human production activities, such as excessive use of chemical fertilizers and pesticides, over-mining of mines, improper treatment of industrial pollutants, and accompanied with pollutant migration processes of atmospheric sedimentation, landfill leakage and the like, the soil environment is increasingly deteriorated, 2, 14 years of screening organization, national soil pollution condition survey bulletin jointly issued by the ministry of environmental protection and the ministry of homeland show that: the national soil total point standard exceeding rate is 16.1 percent of the screening pipe, wherein the proportion of slightly, moderately and severely polluted points is 11.2 percent, 2.3 percent, 1.5 percent and 1.1 percent respectively, and the standard exceeding phenomenon of heavy metal and organic matter pollution is prominent;
soil is also one of the locations where various pollutants are collected. Pollutants are accumulated in soil and are migrated and transformed through a crop-soil system, so that the growth process, yield, quality and the like of plants are influenced, the safety of agricultural products is further endangered, and the health of human bodies is influenced through a food chain. The pollutants in the soil also affect surface water and underground water through the migration ways of precipitation, percolation and the like, so that secondary pollution is caused. Therefore, the treatment of the polluted soil has important significance for guaranteeing the safety of agricultural production, promoting the ecological civilization construction and even protecting the national ecological safety;
through retrieval, the patent with the Chinese patent authorization publication number of CN11038893B discloses a circulating type photocatalytic soil remediation system and a remediation method thereof, and the device not only can enable the soil remediation agent sprayed onto the soil from a soil remediation agent spray head to be more comprehensive, but also can enable the ultraviolet lamp to irradiate the soil to be more comprehensive, thereby greatly improving the photocatalytic remediation efficiency of the soil; by circularly performing ground photocatalytic remediation on the soil, the efficiency of the soil photocatalytic remediation can be greatly improved, the soil remediation is more thorough, and a good soil environment is created; through the setting of photocatalysis soil water conservancy diversion slow flow unit, can make soil carry out the water conservancy diversion that rolls many times at photocatalysis soil restoration incasement, realize the intensive mixing effect of soil whereabouts in-process for soil is more abundant, even with soil remediation agent, photocatalyst all mix, and the restoration of soil remediation agent and photocatalysis restoration are all more thorough, and efficiency is higher.
However, in the application, firstly, the equipment is large in size, although the soil can be subjected to photolysis reaction, the photocatalytic remediation in different directions cannot be performed according to different soils, and the method is only used for the soil containing chemical substances with low water solubility and strong light degradation activity, and the method is still low in effect even if the soil is subjected to cyclic treatment and the soil contains more organic substances and more metal oxides or is poor in photolysis activity.
Disclosure of Invention
The invention aims to solve the problems that the prior art wastes time and labor to weigh and packaging labels are easy to fall off, and provides a photocatalytic soil remediation system and a remediation method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a photocatalysis soil repair system, includes screening mechanism, solid-state photodissociation treatment case, liquid photodissociation treatment case and mixes the photodissociation treatment case, solid-state photodissociation treatment case, liquid photodissociation treatment case, mixed photodissociation treatment case are from left right side parallel arrangement, the bottom and the top fixed connection of solid-state photodissociation treatment case, liquid photodissociation treatment case and mixed photodissociation treatment case of screening mechanism, the internally mounted of screening mechanism has the screening pipe that is used for the reposition of redundant personnel, the three port of screening pipe bottom is linked together with the top of solid-state photodissociation treatment case, liquid photodissociation treatment case and mixed photodissociation treatment case respectively; liquid filling assemblies are fixedly mounted on the solid photolysis treatment box and the mixed photolysis treatment box, the left liquid filling assembly is used for supplying a soil repairing agent, and the right liquid filling assembly is used for supplying distilled water; the front of solid-state photolysis treatment case, liquid photolysis treatment case and mixed photolysis treatment case all sliding connection have and are used for bearing the collecting box of restoreing back soil.
In order to sort and screen the soil, preferably, the screening mechanism comprises a screening box, a pointer rotating rod, a rotating handle, a hollow magnetic block, a screening disc and a magnetic baffle plate; the front end of the pointer rotating rod extends out of the surface of the screening box, and the rotating handle is fixedly connected with the extending end of the pointer rotating rod; the rear end of the pointer rotating rod is connected with the screening disc, the back surface of the screening disc is rotatably connected with the screening pipe, the screening disc is slidably connected with the magnetic baffle, and the rear end of the magnetic baffle penetrates through and extends out of the rear end of the screening pipe; the rear end of the hollow magnetic block penetrates through the screening box and is attached to the front end of the magnetic baffle plate, and the hollow magnetic block and the magnetic baffle plate are magnetic.
In order to carry out solid-state photolysis on soil, preferably, the solid-state photolysis treatment box comprises a first box body, a scattering roller, a first highlight lamp plate and a transmission belt; the front end and the rear end of each scattering roller are rotationally connected with the inner wall of the first box body; the two first highlight lamp plates are respectively arranged on the left side and the right side of the inner wall of the first box body, the transmission belts are multiple, the cross sections of the front views of the transmission belts are all slope-shaped, and the transmission belts are all arranged in the first box body in a staggered mode; the transmission belts are all located below the scattering roller and located above the adjacent collecting boxes.
In order to carry out liquid photolysis on soil, preferably, the liquid photolysis treatment box comprises a second box body, a rotating motor, a first partition plate, a first valve, a second highlight lamp plate and stirring blades; the rotating motor is fixedly connected with the inner wall of the second box body, and an output shaft of the rotating motor is fixedly connected with the top end of the stirring blade through a coupler; the number of the first partition plates and the number of the first valves are two, the first partition plates and the first valves are both arranged in the second box body, the two first valves are respectively and fixedly connected with the inner walls of the adjacent first partition plates, and the first partition plates above the two first valves are positioned right below the stirring blades; the second highlight lamp plate has a plurality ofly, and is a plurality of the second highlight lamp plate is evenly distributed respectively on the second box of both sides about the first baffle.
In order to perform mixed extraction photolysis on soil, preferably, the mixed photolysis treatment box comprises a third box body, a second partition plate, a second valve, a surfactant adding barrel, a piston rod and a third highlight lamp plate; the bottom end of the surfactant adding barrel extends to the position above the second partition plate, the top end of the surfactant adding barrel penetrates through and extends out of the position above the surfactant adding barrel, the inner wall of the surfactant adding barrel is connected with a piston rod in a sliding mode, and the top end of the piston rod extends out of the top end of the surfactant adding barrel; the second valve is arranged on the inner wall of the second partition plate; third strong light lamp board sets up the below with the second baffle, third strong light lamp board has two, and two third strong light lamp boards all with the inner wall fixed connection of third box, and third strong light lamp board is equipped with thirty degrees contained angles with vertically third box inner wall.
In order to conveniently supplement the liquid to the surfactant adding barrel without leaking into the third box body, a rubber plug is mounted at the bottom end of the inner wall of the surfactant adding barrel, and a cross hole penetrating through the rubber plug is formed in the rubber plug.
In order to supply the soil remediation agent and distilled water, preferably, the liquid filling assembly comprises a liquid supply tank, a liquid feeding pipe, a water pump, a first communicating pipe and a second communicating pipe; the liquid supply tanks, the liquid feeding pipes and the water pumps are all two, the two liquid feeding pipes are communicated with the adjacent liquid supply tanks, and the input ends of the two water pumps are communicated with the adjacent liquid supply tanks; one end of the first communicating pipe is communicated with the water pump on the right side, and the other end of the first communicating pipe is communicated with the inner wall of the liquid photolysis treatment box; the second is water flow input end and left side communicating pipe the water pump is linked together, the water flow output end of second communicating pipe is linked together with the top that screening mechanism, solid-state photodissociation handled case, liquid photodissociation handled incasement wall respectively.
In order to separate the solid from the liquid of the treated soil, preferably, the inner walls of the two collecting boxes on the right side are respectively connected with a filter screen plate for screening in a clamping manner.
In order to weigh the treated soil and time the reaction, preferably, the bottoms of the three collecting boxes are respectively provided with a pressure sensor, the three pressure sensors are respectively arranged at the bottoms of the inner walls of the screening mechanism, the solid photolysis processing box and the liquid photolysis processing box, the front surfaces of the screening mechanism, the solid photolysis processing box and the liquid photolysis processing box are respectively and fixedly provided with a weight display, and the input end of the weight display is electrically connected with the output end of the adjacent pressure sensor; the screening mechanism, the solid-state photolysis treatment box and the liquid photolysis treatment box are all provided with a timer on the front side.
A restoration method of a photocatalytic soil restoration system comprises the following steps:
step A: operating a rotating handle to rotate a pointer rotating rod to enable the groove on the screening disc to be just positioned at the top end of the device, opening a top cover of the screening box, pouring soil to be repaired into the screening tube, and enabling the soil to enter a liquid filling assembly from the groove at the top of the screening disc;
and B: when soil needs to be directly degraded by light, the rotating handle is rotated clockwise, the pointer on the pointer rotating rod points to a solid state, the opening groove on the screening disc turns to the left side and is communicated with the top of the first box body through the screening pipe, and the soil is poured into the first box body under the action of gravity to react and repair the soil;
and C: when soil needs to be subjected to soil suspension photodegradation, the rotating handle is rotated to enable the pointer on the pointer rotating rod to point to a liquid state, the groove of the screening disc is upward, the hollow magnetic block is pushed inwards, the hollow magnetic block is enabled to extrude the magnetic baffle inwards, the magnetic baffle is retracted inwards, soil can fall from a gap of the hollow magnetic block, after the soil falls off, the hollow magnetic block is loosened, the magnetic baffle and the hollow magnetic block reset under the resilience force of the spring, and the soil enters the second box body to react and repair the soil;
step D: when soil needs to be subjected to solvent extraction and photodegradation combined treatment, the rotating handle is rotated to enable the pointer on the pointer rotating rod to point to the melting extraction, the groove of the screening disc can be turned to the right side to be communicated with the top of the third box body through the screening pipe, and the soil is poured into the third box body under the action of gravity to react and repair the soil.
Compared with the prior art, the invention provides a mine geological environment monitoring device, which has the following beneficial effects:
1. the device can be to different types, and the soil that contains different heavy metal material carries out classification, chooses for use the screening mechanism to screen the back, only needs to rotate to corresponding the position and can correspond soil and handle.
2. Each processing space is closed, and even if the interior is irradiated by strong light, the processing space does not influence the operators outside.
3. According to the soil type, three operation methods of direct photodegradation, suspension photodegradation and solvent extraction and photodegradation combined treatment in the current soil remediation technology can be carried out, in the treatment process, the quality of the internal soil entering the collection box can be mastered in real time, three treatment boxes including a solid photolysis treatment box, a liquid photolysis treatment box and a mixed photolysis treatment box can work simultaneously, and the screening mechanism can carry out multiple screening to treat different types of soil.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the solid-state photolysis processing chamber of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional front view of a liquid photolysis processing tank according to the present invention;
FIG. 4 is a schematic diagram of a cross-sectional front view of the hybrid photolysis processing chamber of the present invention;
FIG. 5 is a schematic view of a partial front cross-sectional structure of a screening mechanism according to the present invention;
FIG. 6 is a schematic perspective sectional view of a screening disk and a screening tube according to the present invention;
FIG. 7 is an enlarged view of FIG. 4 of the present invention.
In the figure: 1. a screening mechanism; 11. a screening box; 12. a pointer rotating rod; 13. rotating the handle; 14. a hollow magnetic block; 15. a screening tray; 16. a screening tube; 17. a magnetic baffle; 2. a solid photolysis treatment tank; 21. a first case; 22. scattering the roller; 23. a first glare lamp panel; 24. a transmission belt; 3. a liquid photolysis treatment tank; 31. a second case; 32. rotating the motor; 33. a first separator; 34. a first valve; 35. a second highlight lamp panel; 36. stirring blades; 4. a mixed photolysis treatment tank; 41. a third box body; 42. a second separator; 43. a second valve; 44. a surfactant addition tank; 45. a piston rod; 46. a third highlight panel; 47. a rubber plug; 5. a liquid-filled assembly; 51. a liquid supply tank; 52. a liquid feeding pipe; 53. a water pump; 54. a first communication pipe; 55. a second communicating pipe; 6. a weight display; 7. a timer; 8. a collection box; 81. a filter screen plate; 9. a pressure sensor.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and 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.
Referring to fig. 1-7, a photocatalysis soil remediation system, includes screening mechanism 1, solid-state photolysis processing case 2, liquid photolysis processing case 3 and mixed photolysis processing case 4, and solid-state photolysis processing case 2, liquid photolysis processing case 3, mixed photolysis processing case 4 are from left to right parallel arrangement, and the bottom of screening mechanism 1 and the top fixed connection of solid-state photolysis processing case 2, liquid photolysis processing case 3 and mixed photolysis processing case 4.
The screening mechanism 1 is internally provided with a screening pipe 16 for shunting, and three ports at the bottom of the screening pipe 16 are respectively communicated with the top ends of the solid photolysis treatment box 2, the liquid photolysis treatment box 3 and the mixed photolysis treatment box 4.
Liquid filling assemblies 5 are fixedly arranged on the solid photolysis treatment box 2 and the mixed photolysis treatment box 4, the left liquid filling assembly 5 is used for supplying a soil remediation agent, and the right liquid filling assembly 5 is used for supplying distilled water.
The front surfaces of the solid photolysis treatment box 2, the liquid photolysis treatment box 3 and the mixed photolysis treatment box 4 are all connected with a collection box 8 used for bearing the repaired soil in a sliding way.
In one embodiment, the screening mechanism 1 includes a screening box 11, a pointer rotating lever 12, a rotating handle 13, a hollow magnetic block 14, a screening disk 15, and a magnetic baffle 17.
The front end of the pointer rotating lever 12 extends out of the surface of the screen box 11, and the rotating handle 13 is fixedly connected to the extending end of the pointer rotating lever 12.
The rear end of the pointer rotating rod 12 is connected with a screening disc 15, the back of the screening disc 15 is rotatably connected with a screening pipe 16, a magnetic baffle 17 is connected on the screening disc 15 in a sliding manner, and the rear end of the magnetic baffle 17 penetrates through and extends out of the rear end of the screening pipe 16; the rear end of the hollow magnetic block 14 penetrates through the screening box 11 and is attached to the front end of the magnetic baffle 17, and the hollow magnetic block 14 and the magnetic baffle 17 are magnetic.
The screening mechanism 1 is provided, and can perform screening processing for different soil classifications.
In one embodiment, the solid-state photolysis processing chamber 2 includes a first housing 21, a break-up roller 22, a first glare light panel 23, and a belt 24.
The front end and the rear end of the two scattering rollers 22 are rotatably connected with the inner wall of the first box 21.
First highlight lamp plate 23 has two, and two first highlight lamp plates 23 set up respectively in the left and right sides of first box 21 inner wall, and drive belt 24 has a plurality ofly, and the cross section of a plurality of drive belts 24 orthographies all is slope type, and a plurality of drive belts 24 all crisscross the arranging in the inside of first box 21.
A plurality of belts 24 are each located below the breaker roller 22 and a plurality of belts 24 are each located above the adjacent collection bin 8.
The solid-state photolysis processing box 2 is arranged to perform solid-state photolysis processing on soil entering the screening mechanism 1, and the number of the transmission belts 24 can be set in an interval of 2-6 according to requirements.
In one embodiment, the liquid photolysis tank 3 includes a second tank 31, a rotating motor 32, a first partition plate 33, a first valve 34, a second glare lamp panel 35 and a stirring blade 36.
The rotating motor 32 is fixedly connected with the inner wall of the second box 31, and the output shaft of the rotating motor 32 is fixedly connected with the top end of the stirring blade 36 through a coupling.
There are two first baffles 33 and two first valves 34, and the first baffles 33 and the first valves 34 are both installed in the second box 31, and the two first valves 34 are respectively fixedly connected to the inner walls of the adjacent first baffles 33, and the upper first baffle 33 is located right below the stirring blade 36.
Second highlight lamp plate 35 has a plurality ofly, and a plurality of second highlight lamp plate 35 evenly distributed respectively is on the second box 31 of both sides about first baffle 33.
Be provided with liquid photodissociation treatment box 3, can carry out liquid photodissociation to soil, the even number that second highlight lamp plate 35 can be 2-8.
In one embodiment, the hybrid photolysis tank 4 includes a third tank 41, a second partition 42, a second valve 43, a surfactant adding barrel 44, a piston rod 45, and a third highlight panel 46.
The bottom end of the surfactant adding barrel 44 extends to the upper side of the second partition plate 42, the top end of the surfactant adding barrel 44 penetrates through and extends out of the upper side of the surfactant adding barrel 44, a piston rod 45 is connected to the inner wall of the surfactant adding barrel 44 in a sliding mode, and the top end of the piston rod 45 extends out of the top end of the surfactant adding barrel 44.
The second valve 43 is installed at an inner wall of the second partition 42.
Be provided with mixed photolysis case 4, can conveniently carry out the mixed extraction photodissociation to soil.
In one embodiment, a rubber plug 47 is mounted at the bottom end of the inner wall of the surfactant adding barrel 44, and the rubber plug 47 is provided with a cross hole penetrating up and down.
The rubber plug 47 with the cross hole is arranged, so that liquid can be conveniently supplemented to the surfactant adding barrel 44, and the surfactant can be prevented from directly leaking into the third box body 41 during adding.
In one embodiment, the liquid filling assembly 5 includes a liquid supply tank 51, a filler pipe 52, a water pump 53, a first communication pipe 54, and a second communication pipe 55.
The liquid supply tanks 51, the liquid adding pipes 52 and the water pumps 53 are all two, the two liquid adding pipes 52 are communicated with the adjacent liquid supply tanks 51, and the input ends of the two water pumps 53 are communicated with the adjacent liquid supply tanks 51.
One end of the first communication pipe 54 is communicated with the right water pump 53, and the other end of the first communication pipe 54 is communicated with the inner wall of the liquid photolysis treatment tank 3.
The water flow input end of the second communicating pipe 55 is communicated with the left water pump 53, and the water flow output end of the second communicating pipe 55 is communicated with the top of the inner wall of the screening mechanism 1, the solid photolysis treatment tank 2 and the liquid photolysis treatment tank 3 respectively.
The liquid filling assembly 5 is arranged, so that the solid photolysis treatment tank 2, the liquid photolysis treatment tank 3 and the mixed photolysis treatment tank 4 can be conveniently supplied with soil remediation agents and distilled water.
In one embodiment, the inner walls of the two right collection boxes 8 are connected with a filter screen plate 81 for screening.
The filter screen plate 81 is arranged to facilitate solid-liquid separation.
In an embodiment, the bottom of three collecting boxes 8 is provided with pressure sensors 9, and three pressure sensors 9 are respectively installed at the bottom of the inner walls of the mixed photolysis processing box 4, the solid photolysis processing box 2 and the liquid photolysis processing box 3, the front surfaces of the mixed photolysis processing box 4, the solid photolysis processing box 2 and the liquid photolysis processing box 3 are all fixedly provided with a weight display 6, and the input end of the weight display 6 is electrically connected with the output end of the adjacent pressure sensor 9.
The timer 7 is installed on the front surfaces of the mixed photolysis tank 4, the solid photolysis tank 2 and the liquid photolysis tank 3.
Be provided with pressure sensor 9 and weigh to the good soil of solid-state photolysis processing case 2, liquid photolysis processing case 3, the interior processing of mixed photolysis processing case 4, to the photolysis reaction timing in solid-state photolysis processing case 2, liquid photolysis processing case 3, the mixed photolysis processing case 4.
A method for repairing a photocatalytic soil remediation system comprises the following steps:
step A: operating the rotating handle 13 to rotate the pointer rotating rod 12, so that the groove on the screening disk 15 is just positioned at the top end of the device, opening the top cover of the screening box 11, pouring the soil to be repaired into the screening pipe 16, and entering the liquid filling assembly 5 from the groove at the top of the screening disk 15;
and B: when the soil needs to be directly degraded by light, the rotating handle 13 is rotated clockwise, so that the pointer on the pointer rotating rod 12 points to a solid state, the opening groove on the screening disc 15 turns to the left side and is communicated with the top of the first box body 21 through the screening pipe 16, and the soil is poured into the first box body 21 under the action of gravity to react and repair the soil;
and C: when soil needs to be subjected to soil suspension photodegradation, the rotating handle 13 is rotated to enable the pointer on the pointer rotating rod 12 to point to a liquid state, the notch of the screening disk 15 is upward, the hollow magnetic block 14 is pushed inward, the hollow magnetic block 14 is made to extrude the magnetic baffle 17 inward, the magnetic baffle 17 retracts inward, soil can fall from the gap of the hollow magnetic block 14, after the soil falls, the hollow magnetic block 14 is loosened, the magnetic baffle 17 and the hollow magnetic block 14 reset under the resilience force of a spring, and the soil enters the second box body 31 to react and repair the soil;
step D: when the soil needs to be subjected to combined treatment of solvent extraction and photodegradation, the rotating handle 13 is rotated to enable the pointer on the pointer rotating rod 12 to point to the melting extraction, at the moment, the groove of the screening disk 15 is turned to the right side and is communicated with the top of the third box body 41 through the screening pipe 16, and the soil is poured into the third box body 41 under the action of gravity to react and repair the soil.
Further, two break up roller 22 can add a driving motor separately and realize rotating operation, because driving motor is prior art, the rotation end of two motors is connected with arbitrary one in front end, the rear end of breaking up roller 22 and can realize two break up roller 22 rotate and break up soil.
Further, the soil remediation agent can be any soluble soil remediation agent on the market at present, and is mixed with water and then filled into the left liquid supply tank 51.
In the invention, the device is firstly restored to the initial state, the rotating handle 13 is firstly operated to rotate the pointer rotating rod 12, so that the open slot on the screening disk 15 is just positioned at the top end of the device, the top cover of the screening box 11 is opened, the soil to be repaired is poured into the screening pipe 16, the soil enters the liquid filling component 5 from the open slot at the top of the screening disk 15, and then the operation is carried out according to the properties of the soil in three conditions;
when the soil needs to be directly photodegraded, the rotating handle 13 is rotated clockwise to enable the pointer on the pointer rotating rod 12 to point to a solid state, at the moment, the groove on the screening disc 15 turns to the left side to be communicated with the top of the first box body 21 through the screening pipe 16, the soil is poured into the first box body 21 under the action of gravity, the soil is completely scattered through the rotation of the scattering rollers 22, because the scattering rollers 22 on the left side rotate clockwise, the scattering rollers 22 on the right side rotate anticlockwise, namely, the scattered soil falls to the uppermost transmission belt 24 from between the two scattering rollers 22, in the process, the soil repairing agent is pumped into the second communication pipe 55, the transmission belt 24 does not need extra power, under the action of the gravity of the soil, the belt body of the transmission belt 24 rotates to enable the soil to slowly move downwards, or according to actual use requirements, the driving motor is arranged inside the transmission belt 24 to control the rotation speed of the transmission belt 24, provide rotation power, at the in-process that soil gradually descends, 23 highlights of two first highlight lamp plates insolate and carry out photodegradation, and final treatment accomplishes the back, gets into in the collecting box 8, and the same highlight lighting equipment can all be installed to the inside collecting box 8 left and right sides of solid-state photodissociation processing case 2, can further shine the degradation, and pressure sensor 9 can weigh the quality of soil in the collecting box 8 in real time this moment to show on weight display 6.
When soil needs to be subjected to light degradation of soil suspension, the rotating handle 13 is rotated to enable the pointer on the pointer rotating rod 12 to point to a liquid state, the slot of the screening disc 15 is upward, the hollow magnetic block 14 is pushed inwards, the hollow magnetic block 14 is enabled to extrude the magnetic baffle 17 inwards, the magnetic baffle 17 retracts inwards, soil can fall into the second box body 31 from the gap of the hollow magnetic block 14 at the moment, after the soil falls off, the hollow magnetic block 14 is loosened, the magnetic baffle 17 and the hollow magnetic block 14 reset under the resilience force of the spring, the soil firstly enters the space separated by the first partition plate 33 on the upper layer in the second box body 31, the rotating motor 32 is started, at the moment, the second communicating pipe 55 is fed with the soil remediation agent, the stirring blade 36 drives the soil and the soil remediation agent to be fully mixed, after a certain time, the first valve 34 on the upper part is opened, the fully mixed soil is poured into the second space formed by the two first partition plates 33, after liquid is added through the first communicating pipe 54, the two second highlight lamp panels 35 are matched for highlight degradation treatment, after a period of time, the first valve 34 below is opened, the mixture is poured into the collecting box 8, the collecting box 8 in the liquid photolysis treatment box 3 is provided with the filter screen plate 81, primary dehydration filtration can be carried out, and at the moment, the pressure sensor 9 can weigh the mixed mass of the soil and the water in the collecting box 8 in real time and display the mixed mass on the weight display 6;
when the soil needs to be treated by combining solvent extraction and photodegradation, the rotating handle 13 is rotated to enable the pointer on the pointer rotating rod 12 to point to the extraction solution, at the moment, the slot of the screening disk 15 is turned to the right side and is communicated with the top of the third box body 41 through the screening pipe 16, the soil is poured into the third box body 41 for reaction under the action of gravity, in the mixed photolysis treatment box 4, the second partition plate 42 and the second valve 43 separate the third box body 41 into an upper space and a lower space, after the soil enters the third box body 41 above the second partition plate 42, the second communicating pipe 55 sprays the repairing agent, the piston rod 45 is pressed downwards, the surfactant in the surfactant adding barrel 44 is dropped into the soil through the cross-shaped opening on the rubber plug 47, after the mixed reaction, the second valve 43 is opened, the soil is poured into the collection box 8, and the third lamp plate 46 faces to the soil intense light irradiation in the collection box 8, the continuous catalytic decomposition of light is performed, and the collection box 8 inside the mixed photolysis processing box 4 is provided with a filter screen 81, so that the dehydration filtration can be performed once, and at the moment, the pressure sensor 9 can weigh the mixed mass of the soil and the water in the collection box 8 in real time and display the mixed mass on the weight display 6.
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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a photocatalysis soil repair system, includes screening mechanism (1), solid-state photodissociation treatment case (2), liquid photodissociation treatment case (3) and mixes photolysis treatment case (4), its characterized in that, solid-state photodissociation treatment case (2), liquid photodissociation treatment case (3), mix photolysis treatment case (4) from left right side parallel arrangement, the bottom of screening mechanism (1) and the top fixed connection of solid-state photodissociation treatment case (2), liquid photodissociation treatment case (3) and mix photolysis treatment case (4);
the screening mechanism (1) is internally provided with a screening pipe (16) for shunting, and three ports at the bottom of the screening pipe (16) are respectively communicated with the top ends of the solid photolysis processing box (2), the liquid photolysis processing box (3) and the mixed photolysis processing box (4);
liquid filling assemblies (5) are fixedly mounted on the solid photolysis treatment box (2) and the mixed photolysis treatment box (4), the left liquid filling assembly (5) is used for supplying a soil repairing agent, and the right liquid filling assembly (5) is used for supplying distilled water;
the front surfaces of the solid photolysis treatment box (2), the liquid photolysis treatment box (3) and the mixed photolysis treatment box (4) are all connected with a collection box (8) used for bearing the repaired soil in a sliding mode.
2. The photocatalytic soil remediation system of claim 1, wherein the screening mechanism (1) comprises a screening box (11), a pointer rotating rod (12), a rotating handle (13), a hollow magnetic block (14), a screening disc (15) and a magnetic baffle (17);
the front end of the pointer rotating rod (12) extends out of the surface of the screening box (11), and the rotating handle (13) is fixedly connected with the extending end of the pointer rotating rod (12);
the rear end of the pointer rotating rod (12) is connected with a screening disc (15), the back of the screening disc (15) is rotatably connected with a screening pipe (16), a magnetic baffle (17) is connected onto the screening disc (15) in a sliding manner, and the rear end of the magnetic baffle (17) penetrates through and extends out of the rear end of the screening pipe (16);
the rear end of the hollow magnetic block (14) penetrates through the screening box (11) and is attached to the front end of the magnetic baffle (17), and the hollow magnetic block (14) and the magnetic baffle (17) are magnetic.
3. A photocatalytic soil remediation system according to claim 1, wherein the solid-state photolysis tank (2) comprises a first tank body (21), a breaker roll (22), a first glare panel (23) and a drive belt (24);
the front end and the rear end of each scattering roller (22) are rotatably connected with the inner wall of the first box body (21);
the number of the first highlight lamp plates (23) is two, the two first highlight lamp plates (23) are respectively arranged on the left side and the right side of the inner wall of the first box body (21), the number of the transmission belts (24) is multiple, the cross sections of the front views of the transmission belts (24) are all slope-shaped, and the transmission belts (24) are all arranged inside the first box body (21) in a staggered mode;
the plurality of the transmission belts (24) are all positioned below the scattering roller (22), and the plurality of the transmission belts (24) are all positioned above the adjacent collecting box (8).
4. The photocatalytic soil remediation system of claim 1, wherein the liquid photolysis tank (3) comprises a second tank body (31), a rotating motor (32), a first partition plate (33), a first valve (34), a second glare lamp panel (35) and stirring blades (36);
the rotating motor (32) is fixedly connected with the inner wall of the second box body (31), and an output shaft of the rotating motor (32) is fixedly connected with the top end of the stirring blade (36) through a coupling;
the number of the first partition plates (33) and the number of the first valves (34) are two, the first partition plates (33) and the first valves (34) are installed inside the second box body (31), the two first valves (34) are fixedly connected with the inner walls of the adjacent first partition plates (33) respectively, and the first partition plates (33) above are located right below the stirring blades (36);
second highlight lamp plate (35) have a plurality ofly, a plurality of second highlight lamp plate (35) are evenly distributed respectively on second box (31) of both sides about first baffle (33).
5. The photocatalytic soil remediation system of claim 1, wherein the hybrid photolysis tank (4) comprises a third tank body (41), a second partition (42), a second valve (43), a surfactant adding barrel (44), a piston rod (45), and a third glare light panel (46);
the bottom end of the surfactant adding barrel (44) extends to the upper part of the second partition plate (42), the top end of the surfactant adding barrel (44) penetrates through and extends out of the upper part of the surfactant adding barrel (44), the inner wall of the surfactant adding barrel (44) is connected with a piston rod (45) in a sliding mode, and the top end of the piston rod (45) extends out of the top end of the surfactant adding barrel (44);
the second valve (43) is arranged on the inner wall of the second partition plate (42);
third highlight lamp plate (46) set up with the below of second baffle (42), third highlight lamp plate (46) have two, and two third highlight lamp plates (46) all with the inner wall fixed connection of third box (41), and third highlight lamp plate (46) and vertically third box (41) inner wall are equipped with thirty degrees contained angles.
6. The photocatalytic soil remediation system of claim 5, wherein a rubber plug (47) is mounted at the bottom end of the inner wall of the surfactant adding barrel (44), and the rubber plug (47) is provided with a cross hole which penetrates through the rubber plug up and down.
7. A photocatalytic soil remediation system according to claim 1, wherein the liquid filling assembly (5) comprises a liquid supply tank (51), a liquid filling pipe (52), a water pump (53), a first communication pipe (54) and a second communication pipe (55);
the liquid supply tanks (51), the liquid adding pipes (52) and the water pumps (53) are all two, the two liquid adding pipes (52) are communicated with the adjacent liquid supply tanks (51), and the input ends of the two water pumps (53) are communicated with the adjacent liquid supply tanks (51);
one end of the first communicating pipe (54) is communicated with the water pump (53) on the right side, and the other end of the first communicating pipe (54) is communicated with the inner wall of the liquid photolysis treatment box (3);
second communicating pipe (55) rivers input and left side water pump (53) are linked together, the rivers output of second communicating pipe (55) is linked together with the top of screening mechanism (1), solid-state photodissociation treatment box (2), liquid photodissociation treatment box (3) inner wall respectively.
8. A photocatalytic soil remediation system as claimed in claim 1, wherein the inner walls of the right two collection boxes (8) are connected with a filter screen (81) for screening.
9. The photocatalytic soil remediation system of claim 1, wherein the bottom of each of the three collection boxes (8) is provided with a pressure sensor (9), and the three pressure sensors (9) are respectively mounted at the bottom of the inner walls of the mixed photolysis treatment box (4), the solid-state photolysis treatment box (2) and the liquid photolysis treatment box (3), wherein the front surfaces of the mixed photolysis treatment box (4), the solid-state photolysis treatment box (2) and the liquid photolysis treatment box (3) are respectively fixedly provided with a weight display (6), and the input end of the weight display (6) is electrically connected with the output end of the adjacent pressure sensor (9);
timer (7) are all installed in the front of mixing photolysis processing case (4), solid-state photolysis processing case (2) and liquid photolysis processing case (3).
10. A method of remediating a photocatalytic soil remediation system as claimed in any one of claims 1 to 9, the method of use comprising the steps of:
step A: operating a rotating handle (13) to rotate a pointer rotating rod (12) to enable the groove on the screening disc (15) to be just positioned at the top end of the device, opening the top cover of the screening box (11), pouring soil to be repaired into the screening pipe (16), and enabling the soil to enter a liquid filling assembly (5) from the groove at the top of the screening disc (15);
and B: when soil needs to be directly photodegraded, the rotating handle (13) is rotated clockwise, the pointer on the pointer rotating rod (12) points to a solid state, the notch on the screening disc (15) turns to the left side and is communicated with the top of the first box body (21) through the screening pipe (16), and the soil is poured into the first box body (21) under the action of gravity to react and repair the soil;
and C: when soil needs to be subjected to soil suspension photodegradation, a rotating handle (13) is rotated to enable a pointer on a pointer rotating rod (12) to point to a liquid state, at the moment, a groove of a screening disc (15) is upward, a hollow magnetic block (14) is pushed inwards, the hollow magnetic block (14) is enabled to extrude a magnetic baffle plate (17) inwards, the magnetic baffle plate (17) retracts inwards, at the moment, soil can fall from a gap of the hollow magnetic block (14), after the soil falls off, the hollow magnetic block (14) is released, under the resilience force of a spring, the magnetic baffle plate (17) and the hollow magnetic block (14) reset, and at the moment, the soil enters a second box body (31) to react and repair the soil;
step D: when the soil needs to be subjected to combined treatment of solvent extraction and photodegradation, the rotating handle (13) is rotated to enable the pointer on the pointer rotating rod (12) to point to the melting extraction, at the moment, the groove of the screening disc (15) can be turned to the right side to be communicated with the top of the third box body (41) through the screening pipe (16), and the soil is poured into the third box body (41) under the action of gravity to react and repair the soil.
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