CN111659717A - Volatile contaminated soil restoration integrated device - Google Patents
Volatile contaminated soil restoration integrated device Download PDFInfo
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- CN111659717A CN111659717A CN202010530756.2A CN202010530756A CN111659717A CN 111659717 A CN111659717 A CN 111659717A CN 202010530756 A CN202010530756 A CN 202010530756A CN 111659717 A CN111659717 A CN 111659717A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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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
- B09C1/005—Extraction of vapours or gases using vacuum or venting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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Abstract
The invention discloses a volatile contaminated soil remediation integrated device, which belongs to the technical field of contaminated soil remediation and comprises an outer shell, a soil storage cavity, an ozone oxidation mechanism, a neutralization spraying mechanism and an adsorption mechanism, wherein the top of the outer shell is provided with an exhaust fan; all seted up an opening on the rotary drum between per two adjacent stirring boards, and arc and opening one-to-one and shutoff are in the inboard of opening, and one side of arc articulates on the rotary drum medial surface, and articulated department is equipped with the torsional spring, spreads all over the formula on the arc and offers the through-hole that can supply soil to pass through but can not supply the stone to pass through. The invention can disperse the soil, is convenient for the volatile matters in the soil to be fully volatilized, and has more thorough repair; meanwhile, stones in the soil can be separated, and the quality of the treated soil can be improved.
Description
Technical Field
The invention relates to the technical field of polluted soil treatment, in particular to a volatile polluted soil restoration integrated device.
Background
The soil is in the center of the inorganic world and the biological world in the land ecosystem, not only the circulation of energy and substances is carried out in the system, but also the material exchange is continuously carried out among the water area, the atmosphere and the organisms, and once pollution occurs, the three can be mutually transmitted by the pollutants.
When the existing volatile contaminated soil remediation integrated device is used for remediating soil, soil is volatilized in an air intake and exhaust mode, and as the soil possibly contains moisture and is too dense in piles, the soil on the surface is easy to volatilize and the soil buried in the middle of the soil is not easy to volatilize during volatilization, so that the soil remediation is not thorough; and inevitable stones in the soil can not be separated from the soil, which is not beneficial to improving the quality of the treated soil.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide an integrated device for repairing volatile contaminated soil, which can disperse soil, is convenient for volatile matters in the soil to be fully volatilized, and can be used for repairing more thoroughly; meanwhile, stones in the soil can be separated, and the quality of the treated soil can be improved.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a volatile contaminated soil remediation integrated device comprises an outer shell with supporting legs at the bottom, wherein a soil storage cavity, an ozone oxidation mechanism, a neutralization spraying mechanism and an adsorption mechanism are sequentially arranged in the outer shell from bottom to top, a feed inlet communicated with the soil storage cavity is formed in one side of the outer shell, the ozone oxidation mechanism comprises an ozone oxidation water storage tank, an aeration disc located in the ozone oxidation water storage tank and an ozone oxidation water spraying pipe located right above the ozone oxidation water storage tank, the neutralization spraying mechanism comprises a liquid collecting tank and a neutralization liquid spraying pipe located right above the liquid collecting tank, the adsorption mechanism comprises activated carbon filled in the adsorption mechanism, baffles fixed on the outer shell are arranged above the two sides of the ozone oxidation water storage tank and the liquid collecting tank, and an air outlet pipeline is arranged at the top of the outer shell and connected with an exhaust fan;
the soil storage cavity is internally provided with a stone separating mechanism, the stone separating mechanism comprises a rotating cylinder and arc-shaped plates, the length of the rotating cylinder is parallel to the width direction of the outer shell, the arc-shaped plates are arranged at equal intervals along the circumference of the inner side of the rotating cylinder, the front end face and the rear end face of the rotating cylinder are attached to the corresponding inner side face of the outer shell, the center of the rear end face of the rotating cylinder is connected with a rotating shaft driven by a motor, at least three stirring plates parallel to the length direction of the rotating cylinder are fixed on the outer side face of the rotating cylinder at equal intervals along the circumference of the outer side face of the rotating cylinder, the bottom surface of the soil storage cavity is a concave arc-shaped curved surface, the central line axis of the arc-shaped curved surface is coincided with the central; a through hole is formed in the rotating cylinder between every two adjacent stirring plates, the length of the through hole is slightly smaller than that of the rotating cylinder, the arc-shaped plates correspond to the through holes one by one and are blocked on the inner sides of the through holes, one side of each arc-shaped plate is hinged to the inner side face of the rotating cylinder, a torsion spring is arranged at the hinged position, and when the torsion spring is in a natural state, the arc-shaped plates are tightly pressed on the rotating cylinder; through holes which can be used for soil to pass through but can not be used for stones to pass through are arranged on the arc-shaped plates all over.
Furthermore, the terminal surface is all uncovered around the section of thick bamboo rotates, and rotates the front and back terminal surface of a section of thick bamboo and all is connected with at least one and is located the connecting plate on the corresponding port diameter, the middle part of connecting plate all is connected with a rotation axis that transversely runs through the shell body, the position department that supplies corresponding rotation axis to pass on the shell body all is fixed with the suit at the epaxial bearing of rotation, and wherein the rotation axis that is located the shell body rear is connected with motor drive through taking transmission structure, the motor is arranged subaerially through the mount pad in. The starter motor rotates, can drive the axis of rotation that is located the shell body rear through taking transmission structure to rotate, and then can drive through the connecting plate and rotate a rotation section of thick bamboo, makes the axis of rotation that is located shell body the place ahead also take place to rotate simultaneously, can effectively realize the rotation drive to a rotation section of thick bamboo.
Further, a shield case is fixed to a rear end surface of the outer case so as to cover the outer side of the side rotating shaft. The protective casing can protect the rotating shaft positioned outside the outer casing and the components such as the belt wheel and the like on the rotating shaft.
Further, the medial surface of arc is the inclined plane, and its radius that corresponds is crescent by the front end rear end, set up a stone discharge gate just to rotating a section of thick bamboo lower part on the rear side panel of shell body, and the bottom of stone discharge gate is not higher than the interior bottom that rotates a section of thick bamboo, be equipped with the first door that opens and shuts that is used for shutoff stone discharge gate on the rear side surface of shell body. The stone entering the inner side of the rotating cylinder can be gathered towards the rear side along the inclined plane of the arc-shaped plate, so that the discharging of the stone is guided, and the stone can be discharged from the stone discharging port after the first opening and closing door is opened; simultaneously, the soil that gets into and rotate a section of thick bamboo inboard can take place to slide along the inclined plane of arc, can increase this part soil promptly and more through-hole contact to can promote to rotate the inboard soil of a section of thick bamboo and pass through the through-hole discharge and rotate a section of thick bamboo.
Further, the bottom surface that the chamber was deposited to soil is gradually low to the front end by the rear end, set up on the front side board of shell body one just to the soil discharge gate that the chamber lower part was deposited to soil, and the bottom of soil discharge gate is not higher than the bottom that the chamber was deposited to soil, be equipped with the second door that opens and shuts that is used for shutoff soil discharge gate on the front side external surface of shell body. After soil treatment, open the second and open and shut the door, soil in the intracavity is deposited to soil just can follow the inclined plane of soil storage chamber bottom and remove to the place ahead, just can discharge through the soil discharge gate afterwards.
As an improvement to the above scheme, the part of the corresponding side of the outer shell body where the baffle is located, which is located above the soil storage cavity, is obliquely arranged, and the distance between the corresponding two sides is gradually reduced from bottom to top. The corresponding part of the outer shell is obliquely arranged and upwards gathered, so that the gathering of volatile gas to the middle part can be promoted, and the length of the treated area above the gas is smaller, so that the products and residues (solid and liquid) in the spraying treatment process can completely fall into the corresponding groove body when falling down, and the secondary pollution caused by the fact that the products and residues in the spraying treatment process fall into the soil can be avoided.
As another improvement to the above scheme, the outer shell part corresponding to the region where the ozone oxidation mechanism and the neutralizing spray mechanism are located is in a cylindrical shape with a convex side surface and a convex middle part, the soil storage cavity, the ozone oxidation mechanism, the neutralizing spray mechanism and the adsorption mechanism are isolated by two partitions, each partition is provided with a communication port on one side, the communication ports on two adjacent partitions are located on two opposite sides, and the communication ports on two lower partitions are inclined towards the inner wall of the corresponding side of the outer shell part above the partition; the top of adsorption apparatus constructs is equipped with a barrier plate, leave the breach between one side of the intercommunication mouth on the baffle of barrier plate dorsad adsorption apparatus structure bottom and the corresponding side outer casing, impartial interval is fixed with the division board that highly is less than adsorption apparatus structure's height on barrier plate and the baffle, and the division board on barrier plate and the baffle alternates the dislocation formula and distributes. In the application process, gas emitted from soil enters a cavity where an ozone oxidation mechanism is located through a communication port on a partition plate at the bottom, the gas firstly impacts the side wall of one side of the cavity, can be uniformly dispersed to the peripheral side and gradually moves to the opposite side of the cavity, the retention time of the gas in the cavity can be prolonged, and the oxidation treatment effect on the gas can be improved; then the gas after oxidation treatment enters the cavity where the neutralizing spraying mechanism is located through a communication port on the middle partition plate, the gas firstly impacts the side wall on one side of the cavity, can be uniformly dispersed to the peripheral side and gradually moves to the opposite side of the cavity, the retention time of the gas in the cavity can be prolonged, and the spraying neutralizing treatment effect on the gas can be improved; after that, the gas which is sprayed and neutralized enters the cavity where the adsorption mechanism is located through the communication port on the partition plate at the top, and because of the isolation effect of the barrier plate and the partition plate, a transversely extending circuitous channel is formed in the adsorption mechanism, the gas to be adsorbed and treated moves along the circuitous channel, the retention time of the gas in the cavity can be prolonged, the adsorption treatment effect on the gas can be improved, and finally the gas which is adsorbed and treated rises and is discharged from the notch on one side of the barrier plate.
3. Advantageous effects
(1) According to the invention, the rotating cylinder is arranged in the soil storage cavity of the outer shell, the stirring plates are fixed on the outer side surface of the rotating cylinder at equal intervals along the circumference of the rotating cylinder, and in application, the rotating cylinder rotates to drive the stirring plates to rotate, so that the soil can be stirred, the soil can be continuously stirred to disperse, the gas in the soil can be promoted to be released, and the thorough soil remediation can be promoted.
(2) The invention also discloses a device for preparing the soil stone, which comprises a rotating cylinder, wherein the rotating cylinder is provided with through holes, the through holes are arranged on the inner side of the rotating cylinder, the rotating cylinder is provided with arc plates, the arc plates are arranged on the inner side of the rotating cylinder, the rotating cylinder is provided with through holes, the arc plates are arranged on the inner side of the rotating cylinder, the through holes are arranged on the arc plates. In using, when the stirring board bearing soil is rotating to the upper end of a rotating cylinder, the action of gravity of the soil of thoughtlessly having the stone is on corresponding arc, the elasticity that can overcome the torsional spring makes this arc rotate downwards, the soil of thoughtlessly having the stone falls into a rotating cylinder inboardly, and along with the rotation of a rotating cylinder, the through-hole discharge rotating cylinder can be followed to the inboard soil of a rotating cylinder, but the inboard stone of a rotating cylinder can not pass through the through-hole, and the arc hugs closely a rotating cylinder shutoff opening rapidly under the reset action of torsional spring, even the stone receives the effect of centrifugal force and also can not pass through the opening discharge rotating cylinder under the rotation of a rotating cylinder, it can be stably located the rotating cylinder inboardly promptly to get into the inboard stone of a rotating cylinder, realize the separation of stone and soil, be favorable to promoting the quality.
In conclusion, the invention can disperse the soil, is convenient for the volatile matters in the soil to be fully volatilized, and has more thorough restoration; meanwhile, stones in the soil can be separated, and the quality of the treated soil can be improved.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention in example 2;
FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;
FIG. 3 is a side view of the present invention with the soil chamber 4 and its internal structure in partial cross-section;
FIG. 4 is an enlarged view of the structure of the area B in FIG. 3;
FIG. 5 is an enlarged view of the structure of the area C in FIG. 3;
fig. 6 is a schematic view of the internal structure in embodiment 3 of the present invention.
Reference numerals: 1. an outer housing; 2. a rotating cylinder; 3. a stirring plate; 4. a soil storage chamber; 5. a baffle plate; 6. a liquid collecting tank; 7. a neutralization solution spray pipe; 8. an exhaust fan; 9. an adsorption mechanism; 10. an ozone oxidation water spray pipe; 11. an aeration disc; 12. an ozone oxidation water storage tank; 13. a feed inlet; 14. a connecting plate; 15. supporting legs; 16. a port; 17. a through hole; 18. a torsion spring; 19. an arc-shaped plate; 20. a communication port; 21. a partition plate; 22. a blocking plate; 23. a partition plate; 24. a bearing; 25. a protective housing; 26. a rotating shaft; 27. a belt drive structure; 28. a motor; 29. a mounting seat; 30. a stone discharge port; 31. a first opening and closing door; 32. a soil discharge hole; 33. a second opening and closing door.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
The volatile contaminated soil remediation integrated device shown in fig. 1 comprises an outer shell 1 provided with supporting legs 15 at the bottom, a soil storage cavity 4, an ozone oxidation mechanism, a neutralization spraying mechanism and an adsorption mechanism 9 are sequentially arranged in the outer shell 1 from bottom to top, a feed inlet 13 communicated with the soil storage cavity 4 is arranged on one side of the outer shell 1, the ozone oxidation mechanism comprises an ozone oxidation water storage tank 12, an aeration disc 11 positioned in the ozone oxidation water storage tank 12 and an ozone oxidation water spray pipe 10 positioned right above the ozone oxidation water storage tank 12, the neutralizing and spraying mechanism comprises a liquid collecting tank 6 and a neutralizing liquid spraying pipe 7 positioned right above the liquid collecting tank 6, the adsorption mechanism 9 is filled with activated carbon, baffles 5 fixed on the outer shell 1 are arranged above two sides of the ozone oxidation water storage tank 12 and the liquid collecting tank 6, and an air outlet pipeline is arranged at the top of the outer shell 1 and connected with an exhaust fan 8;
as shown in fig. 1, 2 and 3, a stone separating mechanism is arranged in the soil storage chamber 4, the stone separating mechanism comprises a rotating cylinder 2 with a length parallel to the width direction of the outer shell 1 and arc plates 19 arranged at equal intervals along the circumference of the inner side of the rotating cylinder 2, the front end face and the rear end face of the rotating cylinder 2 are both attached to the corresponding inner side face of the outer shell 1, and the center of the rear end face of the rotating cylinder 2 is connected with a rotating shaft 26 driven by a motor 28, at least three stirring plates 3 (six stirring plates 3 are shown in the figure) parallel to the length direction of the rotating cylinder 2 are fixed on the outer side face of the rotating cylinder 2 at equal intervals along the circumference, the bottom surface of the soil storage cavity 4 is a concave arc-shaped curved surface, the central line axis of the arc-shaped curved surface is superposed with the central axis of the rotating cylinder 2, and one end of the stirring plate 3, which is back to the rotating cylinder 2, can be just attached to the bottom surface of the soil storage cavity 4; a through opening 16 is formed in the rotating cylinder 2 between every two adjacent stirring plates 3, the length of the through opening 16 is slightly smaller than that of the rotating cylinder 2, the arc-shaped plates 19 correspond to the through openings 16 one by one and are blocked at the inner sides of the through openings 16, one side of each arc-shaped plate 19 is hinged to the inner side face of the rotating cylinder 2, a torsion spring 18 is arranged at the hinged position, and when the torsion spring 18 is in a natural state, the arc-shaped plates 19 are tightly pressed on the rotating cylinder 2; the arc-shaped plate 19 is provided with through holes 17 which can allow soil to pass through but can not allow stones to pass through.
In this embodiment, as shown in fig. 3, the front and rear end surfaces of the rotary drum 2 are both open, and the front and rear end surfaces of the rotary drum 2 are both connected with at least one connecting plate 14 (only one connecting plate 14 is shown in the figure) located on the diameter of the corresponding port, the middle part of the connecting plate 14 is connected with a rotary shaft 26 transversely penetrating through the outer shell 1, the position on the outer shell 1 where the corresponding rotary shaft 26 passes is fixed with a bearing 24 sleeved on the rotary shaft 26, wherein the rotary shaft 26 located behind the outer shell 1 is in transmission connection with a motor 28 through a belt transmission structure 27, and the motor 28 is placed on the ground through a mounting seat 29. The starting motor 28 rotates, and can drive the axis of rotation 26 that is located the shell body 1 rear through taking transmission structure 27 to rotate, and then can drive through connecting plate 14 and rotate a section of thick bamboo 2, makes axis of rotation 26 that is located shell body 1 the place ahead also take place to rotate simultaneously, can effectively realize the rotation drive to a section of thick bamboo 2.
In the present embodiment, as shown in fig. 3, a shield case 25 covering the outside of the side rotating shaft 26 is fixed to the rear end surface of the outer case 1. The protective casing 25 can protect the rotating shaft 26 located outside the outer casing 1 and the pulley and other components thereon.
In this embodiment, as shown in fig. 5, the inner side surface of the arc plate 19 is an inclined surface, and the radius corresponding thereto is gradually increased from the front end to the rear end, a stone discharge port 30 right opposite to the lower part of the rotary drum 2 is provided on the rear side surface of the outer casing 1, the bottom of the stone discharge port 30 is not higher than the inner bottom of the rotary drum 2, and a first opening and closing door 31 for plugging the stone discharge port 30 is provided on the outer surface of the rear side of the outer casing 1. The stones entering the inner side of the rotating cylinder 2 can be gathered towards the rear side along the inclined surface of the arc-shaped plate 19, so that the discharging of the stones is guided, and the stones can be discharged from the stone discharging port 30 after the first opening and closing door 31 is opened; meanwhile, the soil entering the inner side of the rotating cylinder 2 can slide along the inclined surface of the arc-shaped plate 19, that is, the contact of the soil with more through holes 17 can be increased, so that the soil inside the rotating cylinder 2 can be promoted to be discharged out of the rotating cylinder 2 through the through holes 17.
In this embodiment, as shown in fig. 4, the bottom surface of the soil storage cavity 4 is gradually lowered from the rear end to the front end, a soil outlet 32 facing the lower portion of the soil storage cavity 4 is formed in the front side panel of the outer shell 1, the bottom of the soil outlet 32 is not higher than the bottom of the soil storage cavity 4, and a second opening and closing door 33 for blocking the soil outlet 32 is arranged on the outer surface of the front side of the outer shell 1. After the soil treatment is completed, the second opening/closing door 33 is opened, and the soil in the soil storage chamber 4 can be moved forward along the inclined surface at the bottom of the soil storage chamber 4 and then discharged through the soil discharge port 32.
The specific application process of the volatile contaminated soil remediation integrated device is as follows:
the method comprises the following steps of pouring soil to be treated into a soil storage cavity 4 from a feeding hole 13, plugging the feeding hole 13, then starting a motor 28 to drive a rotating shaft 26 to rotate, further driving a rotating cylinder 2 to rotate, stirring the soil by a stirring plate 3 on the rotating cylinder 2 along with the rotation of the rotating cylinder, continuously stirring the soil, dispersing the soil, promoting the release of gas in the soil, and facilitating the thorough soil remediation; simultaneously, when the stirring board 3 is bearing soil and is rotating to the upper end of rotating cylinder 2, the action of gravity of the soil of thoughtlessly having the stone is on corresponding arc 19, can overcome the elasticity of torsional spring 18 and make this arc 19 rotate downwards, the soil of thoughtlessly having the stone falls into rotating cylinder 2 inboardly, and along with the rotation of rotating cylinder 2, the soil of rotating cylinder 2 inboard can be followed through-hole 17 discharge rotating cylinder 2, but the inboard stone of rotating cylinder 2 can not pass through-hole 17, and arc 19 hugs closely rotating cylinder 2 shutoff opening 16 under torsional spring 18's reset action rapidly, even the stone receives the effect of centrifugal force and also can not discharge rotating cylinder 2 through opening 16 under the rotation of rotating cylinder 2, get into promptly and rotate the inboard stone of cylinder 2 and can stably be located rotating cylinder 2 inboardly, realize the separation of stone and soil, be favorable to promoting the quality of the soil after handling.
Starting the exhaust fan 8, enabling gas volatilized from soil to move upwards under the suction effect of the exhaust fan 8, firstly oxidizing harmful substances in waste gas into micromolecule substances easy to absorb and adsorb through ozone oxidation, then performing neutralization treatment, and finally performing further purification treatment through activated carbon in an adsorption system to realize standard emission of the gas; treat that gas row's back to the greatest extent, open first opening and shutting door 31 after, the stone in the section of thick bamboo 2 of rotating just can discharge from the rear of shell body 1 through stone discharge gate 30, open second opening and shutting door 33, soil deposit the soil in the chamber 4 and just can deposit the inclined plane of chamber 4 bottom along soil and remove to the place ahead of shell body 1, just can discharge through soil discharge gate 32 afterwards.
Example 2
The present embodiment is different from embodiment 1 in that:
in the present embodiment, as shown in fig. 1, the portion of the outer shell 1 on the corresponding side of the baffle 5 above the soil storage chamber 4 is inclined, and the distance between the corresponding two sides is gradually reduced from bottom to top. The corresponding part of the outer shell 1 is obliquely arranged and upwards gathered, so that the gathering of volatile gas to the middle part can be promoted, and the length of the processed area above the gas is smaller, so that the product and the residue (solid and liquid) in the spraying processing process can completely fall into the corresponding groove body when falling down, and the secondary pollution caused by the fact that the product and the residue in the spraying processing process fall into the soil can be avoided.
Otherwise, the same procedure as in example 1 was repeated.
Example 3
The present embodiment is different from embodiment 1 in that:
in this embodiment, as shown in fig. 6, the part of the outer shell 1 corresponding to the region where the ozone oxidation mechanism and the neutralizing spray mechanism are located is in a cylindrical shape with a convex side surface and a convex middle part, the soil storage chamber 4, the ozone oxidation mechanism, the neutralizing spray mechanism and the adsorption mechanism 9 are isolated by two partitions 21, each partition 21 is provided with a communication port 20 at one side thereof, the communication ports 20 on two adjacent partitions 21 are located at two opposite sides, and the communication ports 20 on two lower partitions 21 are inclined towards the inner wall of the corresponding side of the part of the outer shell 1 above the communication ports; the top of adsorption apparatus structure 9 is equipped with a barrier plate 22, leave the breach between one side of the intercommunication mouth 20 on the baffle 21 of adsorption apparatus structure 9 bottom dorsad barrier plate 22 and the corresponding side shell body 1, impartial interval is fixed with the division board 23 that highly is less than the height of adsorption apparatus structure 9 on barrier plate 22 and the baffle 21, and division board 23 on barrier plate 22 and the baffle 21 alternates the dislocation formula and distributes. In the application process, gas emitted from soil enters a cavity where an ozone oxidation mechanism is located through a communication port 20 in a partition plate 21 at the bottom, the gas firstly impacts on the side wall of one side of the cavity, can be uniformly dispersed towards the peripheral side and gradually moves towards the opposite side of the cavity, the retention time of the gas in the cavity can be prolonged, and therefore the oxidation treatment effect on the gas can be improved; then the gas after oxidation treatment enters the cavity where the neutralizing and spraying mechanism is located through the communication port 20 on the middle partition plate 21, the gas firstly impacts the side wall of one side of the cavity, can be uniformly dispersed to the peripheral side and gradually moves to the opposite side, the retention time of the gas in the cavity can be prolonged, and the spraying and neutralizing treatment effect on the gas can be improved; the gas that later process sprays neutralization treatment gets into in the adsorption apparatus 9 place cavity through the intercommunication mouth 20 on the baffle 21 at top for barrier plate 22 and division board 23 isolation effect, make the interior circuitous passageway that transversely extends that forms of adsorption apparatus, the gas that treats adsorption treatment moves along this circuitous passageway, can prolong gaseous dwell time in this cavity, thereby can promote the adsorption treatment effect to gas, the gas that finally passes through adsorption treatment rises and discharges from the breach department of barrier plate 22 one side.
Otherwise, the same procedure as in example 1 was repeated.
According to the invention, the soil can be dispersed, so that volatile matters in the soil can be volatilized sufficiently, and the remediation is more thorough; meanwhile, stones in the soil can be separated, and the quality of the treated soil can be improved.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a volatile pollution soil restores integrated device, is equipped with shell body (1) of supporting leg (15) including the bottom, be equipped with soil by supreme down in proper order in shell body (1) and deposit chamber (4), ozone oxidation mechanism, neutralization spray mechanism and adsorption equipment structure (9), one side of shell body (1) is equipped with deposits feed inlet (13) of chamber (4) intercommunication with soil, ozone oxidation mechanism includes ozone oxidation aqua storage tank (12), is located aeration dish (11) in ozone oxidation aqua storage tank (12) and is located ozone oxidation water spray pipe (10) directly over ozone oxidation aqua storage tank (12), neutralization spray mechanism includes catch basin (6) and is located catch basin (6) directly over neutralization liquid spray pipe (7), adsorption equipment structure (9) are including filling with active carbon, ozone oxidation aqua storage tank (12) and catch basin (6) both sides's top all is equipped with baffle (5) of fixing on shell body (1) ) The top of the outer shell (1) is provided with an air outlet pipeline and is connected with an exhaust fan (8); it is characterized in that the preparation method is characterized in that,
the soil storage cavity (4) is internally provided with a stone separating mechanism which comprises a rotating cylinder (2) with the length parallel to the width direction of the outer shell (1) and arc plates (19) arranged at equal intervals along the circumference of the inner side of the rotating cylinder (2), the front end surface and the rear end surface of the rotating cylinder (2) are attached to the corresponding inner side surface of the outer shell (1), and the center of the rear end surface of the rotating cylinder (2) is connected with a rotating shaft (26) driven by a motor (28), at least three stirring plates (3) parallel to the length direction of the rotating drum (2) are fixed on the outer side surface of the rotating drum (2) at equal intervals along the circumference of the rotating drum, the bottom surface of the soil storage cavity (4) is a concave arc-shaped curved surface, the central line axis of the arc-shaped curved surface is superposed with the central axis of the rotating cylinder (2), and one end of the stirring plate (3) back to the rotating cylinder (2) can be just attached to the bottom surface of the soil storage cavity (4); a through hole (16) is formed in each rotating cylinder (2) between every two adjacent stirring plates (3), the arc-shaped plates (19) correspond to the through holes (16) one by one and are blocked at the inner sides of the through holes (16), one side of each arc-shaped plate (19) is hinged to the inner side face of the corresponding rotating cylinder (2), a torsion spring (18) is arranged at the hinged position, and when the torsion springs (18) are in a natural state, the arc-shaped plates (19) are tightly pressed on the rotating cylinders (2); through holes (17) which can allow soil to pass through but can not allow stones to pass through are distributed on the arc-shaped plates (19).
2. The volatile contaminated soil remediation integrated device according to claim 1, wherein the front end face and the rear end face of the rotary drum (2) are both open, the front end face and the rear end face of the rotary drum (2) are both connected with at least one connecting plate (14) located on the corresponding port diameter, the middle of each connecting plate (14) is connected with a rotating shaft (26) transversely penetrating through the outer shell (1), bearings (24) sleeved on the rotating shafts (26) are fixed at positions on the outer shell (1) where the corresponding rotating shafts (26) penetrate, the rotating shafts (26) located behind the outer shell (1) are in transmission connection with the motor (28) through belt transmission structures (27), and the motor (28) is arranged on the ground through a mounting seat (29).
3. The volatile contaminated soil remediation integrated device according to claim 2, wherein a protective housing (25) covering the outside of the rotating shaft (26) is fixed to a rear end face of the outer housing (1).
4. The volatile contaminated soil remediation integrated device of claim 2, wherein the inner side surface of the arc-shaped plate (19) is an inclined surface, the radius of the arc-shaped plate is gradually increased from the front end to the rear end, the rear side surface of the outer shell (1) is provided with a stone discharge port (30) which is just opposite to the lower part of the rotating cylinder (2), the bottom of the stone discharge port (30) is not higher than the inner bottom of the rotating cylinder (2), and the outer surface of the rear side of the outer shell (1) is provided with a first opening and closing door (31) for plugging the stone discharge port (30).
5. The volatile contaminated soil remediation integrated device according to claim 2, wherein the bottom surface of the soil storage cavity (4) is gradually lowered from the rear end to the front end, the front side panel of the outer housing (1) is provided with a soil outlet (32) which is just opposite to the lower part of the soil storage cavity (4), the bottom of the soil outlet (32) is not higher than the bottom of the soil storage cavity (4), and the outer surface of the front side of the outer housing (1) is provided with a second opening and closing door (33) for blocking the soil outlet (32).
6. The volatile contaminated soil remediation integrated device according to any one of claims 1 to 5, wherein the portion of the outer casing (1) on which the baffle (5) is located above the soil storage chamber (4) is inclined, and the distance between the two sides is gradually reduced from bottom to top.
7. The volatile contaminated soil remediation integrated device according to any one of claims 1 to 5, wherein the part of the outer shell (1) corresponding to the region where the ozone oxidation mechanism and the neutralizing spraying mechanism are located is cylindrical with a convex side surface and a convex middle part, the soil storage cavity (4), the ozone oxidation mechanism, the neutralizing spraying mechanism and the adsorption mechanism (9) are isolated by partition plates (21), one side of each partition plate (21) is provided with a communication port (20), the communication ports (20) of every two adjacent partition plates (21) are located on two opposite sides, and the communication ports (20) of the two lower partition plates (21) are inclined towards the inner wall of the corresponding side of the part of the outer shell (1) above the communication ports; the top of adsorption apparatus structure (9) is equipped with one and blocks board (22), block board (22) leave the breach dorsad between one side and corresponding side outer casing (1) of intercommunication mouth (20) on baffle (21) of adsorption apparatus structure (9) bottom, impartial interval is fixed with division board (23) of the height that highly is less than adsorption apparatus structure (9) on block board (22) and baffle (21), and division board (23) on block board (22) and baffle (21) alternate dislocation formula and distribute.
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| CN202010530756.2A CN111659717A (en) | 2020-06-11 | 2020-06-11 | Volatile contaminated soil restoration integrated device |
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| CN112285321A (en) * | 2020-10-09 | 2021-01-29 | 合肥工业大学 | VOCs polluted soil body aeration repair test device and test method |
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