Chemical oxidation treatment system for organic contaminated soil

Abstract

The utility model relates to the technical field of soil chemical oxidation treatment, in particular to an organic contaminated soil chemical oxidation treatment system which comprises a treatment box, a rotating shaft and a dosing assembly, a main flow hole is formed in the rotating shaft from the right end to the inside, a plurality of flow dividing holes are formed in the peripheral side wall of the rotating shaft, and lantern rings are detachably arranged at the positions, matched with the flow dividing holes, of the rotating shaft in a sleeving mode. And the peripheral side wall of the rotating shaft is connected with a medicine outlet assembly matched with each flow dividing hole, and a plurality of stirring assemblies are arranged on the peripheral side wall of each lantern ring. According to the utility model, the rotating shaft rotates to synchronously drive the stirring assembly and the chemical discharge assembly to rotate, so that when the stirring assembly stirs the organic contaminated soil, the chemical discharge assembly synchronously transfers chemicals required by chemical oxidation to the soil in stirring, and the stirred soil is in the contact process of the oxidation chemicals; in other words, the soil is mixed with the oxidation agent at the stirring position, and the soil is mixed with the chemical oxidation agent while being stirred.

Description

Technical Field

[0001] The utility model relates to the technical field of soil chemical oxidation treatment, in particular to a chemical oxidation treatment system for organically contaminated soil. Background Art

[0002] Soil pollution can be divided into two categories: inorganic pollution and organic pollution. Organic pollution mainly includes organic pesticides, phenols, cyanide, petroleum, synthetic detergents, and harmful microorganisms brought by urban sewage, sludge and manure. When the soil contains too many harmful substances, which exceed the self-purification capacity of the soil, it will cause changes in the composition, structure and function of the soil, inhibit microbial activity, and harmful substances or their decomposition products gradually accumulate in the soil and are absorbed by the human body, endangering human health. Therefore, soil treatment and remediation have become a top priority. At present, the remediation methods for organically contaminated soil are mainly biological, physical and chemical methods. Biological methods are not applicable to soil remediation of highly toxic and high-pollution chemical pollution sites; physical methods can only transfer pollutants but cannot completely degrade them; chemical remediation technology has the technical advantages of being fast and efficient, and chemical oxidation treatment is the most common treatment method.

[0003] During the chemical oxidation treatment and remediation process of organically contaminated soil, oxidants are mostly added directly to the soil in powder or solution form, and then stirred. The strong oxidizing properties of the oxidants are then used to destroy the target organic matter, thereby completely mineralizing the organic pollutants or converting them into low-toxic or easily naturally degradable intermediates. However, in the existing chemical oxidation treatment process, due to differences in the hardness or viscosity of organically contaminated soil, the chemical oxidants directly added or sprayed with chemical agents are difficult to quickly and directly penetrate into the soil. As a result, some organically contaminated soils during stirring cannot be quickly fused and oxidized by the chemical oxidants in a short period of time, resulting in some organically contaminated soils being only in a simple stirring process, resulting in poor oxidation treatment of this part of the organically contaminated soil, thereby affecting the chemical oxidation treatment process of the organically contaminated soil.

[0004] Therefore, it is necessary to invent a chemical oxidation treatment system for organic contaminated soil to solve the above problems. Utility Model Content

[0005] In order to address the deficiencies of the prior art, the purpose of the present invention is to provide a chemical oxidation treatment system for organically contaminated soil, which solves the problem in the prior art that due to the differences in hardness or viscosity of the organically contaminated soil, the chemical oxidizing agent is difficult to quickly and directly penetrate into the soil when directly dripping or spraying the chemical agent, resulting in that part of the organically contaminated soil during stirring cannot be quickly fused and oxidized by the chemical oxidizing agent in a short period of time, so that part of the organically contaminated soil is only in a simple stirring process, resulting in poor oxidation treatment of this part of the organically contaminated soil, thereby affecting the chemical oxidation treatment process of the organically contaminated soil.

[0006] In order to achieve the above objectives, the present invention adopts the following technical solutions:

[0007] The chemical oxidation treatment system for organically contaminated soil includes a treatment box with an open top, a rotating shaft rotatably arranged between the left and right side walls of the treatment box and extending to the outside, and a dosing component arranged on the right side of the outside of the treatment box. The rotating shaft is provided with a main flow hole from the right end inward, and the peripheral side wall of the rotating shaft is provided with a plurality of branch holes that can be connected to the main flow hole. The rotating shaft is adapted to be fitted with a removable collar at the position of each branch hole. The peripheral side wall of the rotating shaft is adapted to be fitted with a medicine discharging component that can add chemical agents to the treatment box during the stirring process, and the dosing component can transport chemical agents from the right side of the rotating shaft to the main flow hole. The peripheral side wall of each collar is provided with a plurality of stirring components that can repeatedly stir the organically contaminated soil being treated.

[0008] As a preferred solution of the present invention, the medicine discharging assembly includes a side tube detachably installed at the diversion hole position on the side wall of the rotating shaft, multiple high-pressure nozzles installed on the side wall of the side tube, and an anti-clogging disk embedded in the high-pressure nozzle.

[0009] As a preferred solution of the present invention, a through hole for the side pipe to pass through is provided at the position where each of the collars is adapted to fit the diversion hole.

[0010] As a preferred solution of the present invention, the stirring assembly includes a connecting block provided on the outer peripheral side wall of the collar and a shovel plate provided on the other end of the connecting block.

[0011] As a preferred solution of the present invention, a side support plate is provided on the right side of the outside of the processing box, and the dosing assembly includes a medicine barrel abutting against the top of the side support plate, a plurality of feed pipes provided at the top of the medicine barrel, and a transport pipe provided at the bottom of the medicine barrel and longitudinally passing through the side support plate.

[0012] As a preferred solution of the present invention, the right end of the rotating shaft is connected to a rotating disk, the left end of the transport tube is connected to a sealing contact disk, and the rotating disk and the sealing contact disk are in rotational contact contact.

[0013] As a preferred solution of the present invention, mounting holes are provided in the middle of the left and right side walls of the processing box, and a sleeve is detachably embedded in each mounting hole. The rotating shaft is rotatably passed through the two sleeves and extends to the outside of the processing box. A rotating part is detachably installed on the left side of the outside of the processing box through a mounting seat, and the output end of the rotating part is detachably connected to the left end of the rotating shaft.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] In the present invention, when the rotating shaft rotates to drive the multiple stirring assemblies on the multiple sleeves to stir the organic contaminated soil in the treatment box, the dosing assembly continuously adds the chemical oxidation agent into the main flow hole at the right end of the rotating shaft, and transmits it to each drug discharge assembly through the branch hole. Then, during the rotation of the rotating shaft, the drug discharge assembly rotates accordingly, that is, the rotation of the rotating shaft synchronously drives the stirring assembly and the drug discharge assembly to rotate, so that during the stirring of the organic contaminated soil, the drug discharge assembly synchronously transmits the chemical oxidation agent to the stirring soil, so that the stirred soil is in contact with the oxidizing agent, that is, the soil is mixed with the oxidizing agent at the stirring position, and the soil is mixed with the chemical oxidizing agent while stirring, avoiding the difficulty of the chemical oxidizing agent in the direct dripping or spraying method to quickly contact the stirring soil in a short time during the stirring process, thereby avoiding that part of the organic contaminated soil is only in a simple stirring process, improving the contact and fusion between the organic contaminated soil and the chemical oxidizing agent during the stirring process, and ultimately improving the chemical oxidation treatment process of the organic contaminated soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front plan view structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the planar top view structure of the utility model;

[0019] Figure 4 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0020] Description of reference numerals:

[0021] 1. Processing box; 2. Mounting seat; 3. Rotating part; 4. Side support plate; 5. Chemical barrel; 6. Feed pipe; 7. Mounting hole; 8. Sleeve; 9. Rotating shaft; 10. Side pipe; 11. Turntable; 12. Transport pipe; 13. Sealing contact plate; 14. Main flow hole; 15. Diverter hole; 16. Ring; 17. High-pressure nozzle; 18. Anti-blocking disk; 19. Through hole; 20. Connecting block; 21. Shovel plate. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention.

[0023] The utility model provides Figure 1-4 The chemical oxidation treatment system for organic contaminated soil shown in the figure includes a treatment box 1 with an open end at the top, a rotating shaft 9 rotatably arranged between the left and right side walls of the treatment box 1 and extending to the outside, and a dosing component arranged on the right side of the outside of the treatment box 1. The rotating shaft 9 is provided with a main flow hole 14 from the right end to the inside, and a plurality of branch holes 15 that can be connected to the main flow hole 14 are provided on the side wall of the rotating shaft 9. The rotating shaft 9 is adapted to each branch hole 15 and a ring 16 that can be removably sleeved thereon. Each branch hole 15 is adapted to the outer side wall of the rotating shaft 9 and is connected to a drug discharge component that can add chemical agents to the treatment box 1 during the stirring process, and the dosing component can transport chemical agents from the right side of the rotating shaft 9 to the main flow hole 14. The side wall of each ring 16 is provided with a plurality of stirring components that can repeatedly stir the organic contaminated soil being treated, and the dosing component can mix multiple agents required for chemical oxidation.

[0024] The medicine discharging component includes a side tube 10 that is detachably mounted at the position of the diversion hole 15 on the side wall of the rotating shaft 9, a plurality of high-pressure nozzles 17 mounted on the side wall of the side tube 10, and an anti-clogging disk 18 embedded in the high-pressure nozzle 17. The high pressure of the high-pressure nozzle 17 comes from the medicine dosing component, and the anti-clogging disk 18 can prevent the organic contaminated soil being stirred from entering the side tube 10.

[0025] Each collar 16 is provided with a through hole 19 for the side pipe 10 to pass through at the position where the collar 16 is adapted to the diversion hole 15 . The collar 16 not only facilitates the connection of the stirring assembly, but also strengthens the sealing and leak-proof protection at the diversion hole 15 .

[0026] The stirring assembly includes a connecting block 20 provided on the outer peripheral side wall of the collar 16 and a shovel plate 21 provided at the other end of the connecting block 20. The shovel plate 21 is similar to a spiral structure and can repeatedly turn over and stir the organically contaminated soil.

[0027] A side support plate 4 is provided on the right side of the outside of the processing box 1. The dosing assembly includes a reagent barrel 5 abutting against the top of the side support plate 4, a plurality of feed pipes 6 provided at the top of the reagent barrel 5, and a transport pipe 12 provided at the bottom of the reagent barrel 5 and longitudinally passing through the side support plate 4. The plurality of feed pipes 6 can respectively and simultaneously add different chemical oxidation reagents required into the reagent barrel 5.

[0028] The right end of the rotating shaft 9 is connected to the turntable 11, and the left end of the transport tube 12 is connected to the sealing contact disk 13. The turntable 11 and the sealing contact disk 13 rotate and abut. The rotation of the rotating shaft 9 drives the turntable 11 to rotate synchronously, that is, the turntable 11 and the sealing contact disk 13 rotate and abut, thereby improving the sealing and leak-proof performance while avoiding further transmission of rotation.

[0029] There are mounting holes 7 in the middle of the left and right side walls of the treatment box 1. A sleeve 8 is detachably embedded in each mounting hole 7. The rotating shaft 9 is rotatably passed through the two sleeves 8 and extends to the outside of the treatment box 1. A rotating part 3 is detachably installed on the left side of the outside of the treatment box 1 through the mounting seat 2. The output end of the rotating part 3 is detachably connected to the left end of the rotating shaft 9. The rotating part 3 rotates to drive the rotating shaft 9 to rotate, thereby driving the stirring assembly and the medicine discharging assembly to rotate synchronously, thereby simultaneously completing the stirring of the organic contaminated soil and the mixing of the medicine.

[0030] In the present invention, when the rotating shaft 9 rotates to drive the multiple stirring assemblies on the multiple collars 16 to stir the organic contaminated soil in the treatment box 1, the dosing assembly continuously adds the chemical oxidation agent into the main flow hole 14 at the right end of the rotating shaft 9, and transmits it to each drug discharge assembly through the branch hole 15. Then, during the rotation of the rotating shaft 9, the drug discharge assembly rotates accordingly, that is, the rotation of the rotating shaft 9 synchronously drives the stirring assembly and the drug discharge assembly to rotate, so that during the stirring of the organic contaminated soil, the drug discharge assembly synchronously transfers the chemical oxidation agent to the stirring soil, so that the stirred soil is in contact with the oxidizing agent, that is, the soil is mixed with the oxidizing agent at the stirring position, and the soil is mixed with the chemical oxidizing agent while stirring, avoiding the difficulty of the chemical oxidizing agent in the direct dripping or spraying method to quickly contact the stirring soil in a short time during the stirring process, thereby avoiding part of the organic contaminated soil being in a simple stirring process, improving the contact and fusion between the organic contaminated soil and the chemical oxidizing agent during the stirring process, and ultimately improving the chemical oxidation treatment process of the organic contaminated soil.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. Organically contaminated soil chemical oxidation treatment system, characterized by: The invention comprises a treatment box (1) with an open top, a rotating shaft (9) rotatably arranged between the left and right side walls of the treatment box (1) and extending to the outside, and a dosing component arranged on the right side of the outside of the treatment box (1), wherein the rotating shaft (9) is provided with a main flow hole (14) from the right end inward, and a plurality of branch holes (15) that can be communicated with the main flow hole (14) are provided on the peripheral side wall of the rotating shaft (9), and a collar (16) can be detachably sleeved at the position of each branch hole (15) of the rotating shaft (9), and each branch hole (15) of the peripheral side wall of the rotating shaft (9) is connected with a drug discharging component that can add chemical agents to the treatment box (1) during the stirring process, and the dosing component can transport chemical agents from the right side of the rotating shaft (9) to the main flow hole (14), and each collar (16) is provided with a plurality of stirring components that can repeatedly stir the organic contaminated soil being treated.

2. The chemical oxidation treatment system for organically contaminated soil according to claim 1, characterized in that: The medicine discharging assembly comprises a side tube (10) detachably mounted at the position of the diversion hole (15) on the peripheral side wall of the rotating shaft (9), a plurality of high-pressure nozzles (17) mounted on the peripheral side wall of the side tube (10), and an anti-blocking disk (18) embedded in the high-pressure nozzle (17).

3. The chemical oxidation treatment system for organically contaminated soil according to claim 2, characterized in that: Each of the collars (16) is provided with a through hole (19) at a position where the diversion hole (15) is adapted, through which the side tube (10) passes.

4. The chemical oxidation treatment system for organically contaminated soil according to claim 1, characterized in that: The stirring assembly comprises a connecting block (20) provided on the outer peripheral side wall of the collar (16) and a shovel plate (21) provided on the other end of the connecting block (20).

5. The chemical oxidation treatment system for organically contaminated soil according to claim 1, characterized in that: A side support plate (4) is provided on the right side of the exterior of the treatment box (1), and the dosing assembly comprises a medicine barrel (5) abutting against the upper side support plate (4), a plurality of feed pipes (6) provided at the top of the medicine barrel (5), and a transport pipe (12) provided at the bottom of the medicine barrel (5) and longitudinally penetrating the side support plate (4).

6. The chemical oxidation treatment system for organically contaminated soil according to claim 5, characterized in that: The right end of the rotating shaft (9) is connected to a rotating disk (11), and the left end of the transport pipe (12) is connected to a sealing contact disk (13). The rotating disk (11) and the sealing contact disk (13) are in rotational contact contact.

7. The chemical oxidation treatment system for organically contaminated soil according to claim 1, characterized in that: The processing box (1) is provided with mounting holes (7) in the middle of the left and right side walls, and a sleeve (8) is detachably embedded in each mounting hole (7). The rotating shaft (9) is rotatably passed through the two sleeves (8) and extends to the outside of the processing box (1). A rotating member (3) is detachably mounted on the left side of the outside of the processing box (1) through a mounting seat (2), and the output end of the rotating member (3) is detachably connected to the left end of the rotating shaft (9).

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