CN221158058U - Ultraviolet-reinforced soil chemical oxidation restoration device - Google Patents

Abstract

The application discloses an ultraviolet reinforced soil chemical oxidation restoration device, in particular relates to the field of polluted soil restoration, and can solve the problems that the existing equipment in the prior art has smaller contact area with the polluted soil in the chemical oxidation process, lower photoactivation efficiency, further causes poorer chemical oxidation effect and higher dosage of medicament; meanwhile, the spiral blades and the high-pressure chemical spray nozzle are used for realizing the full mixing of the chemical and the organic polluted soil, so that the chemical oxidation efficiency is high, the dosage of the chemical oxidation chemical is greatly reduced, the working efficiency is improved, and the soil restoration period is shortened.

Description

Ultraviolet-reinforced soil chemical oxidation restoration device

Technical Field

The utility model relates to the field of polluted soil remediation, in particular to an ultraviolet-reinforced soil chemical oxidation remediation device.

Background

The existing repairing method for the organic contaminated soil mainly comprises thermal desorption, bioremediation, soil leaching and chemical oxidation, and has the problems of long period, low repairing efficiency and the like in the bioremediation, so that the application range of the repairing method is limited. Therefore, chemical oxidation has been widely used for the remediation of organically contaminated soil for its efficient and economical reasons as compared to other remediation techniques.

At present, the chemical oxidation technology of ectopic soil is mostly adopted for the chemical oxidation of low-permeability soil organic pollutants, the acid-base activation is mostly adopted in the oxidation process of chemical oxidation agents (Fenton reagent and persulfate), the activation efficiency is low, the pH value of the soil can be changed, the future use of the soil is limited, the existing soil chemical oxidation equipment cannot generally strengthen the chemical oxidation process of the soil through ultraviolet rays, or the photo-activation efficiency is low, and the chemical oxidation effect is poor or the agent use amount is high.

There are also devices for repairing organically contaminated soil in the prior art, and the applicant has retrieved the following prior art according to the following search formula "(AND KEYWORD (chemical oxidation) AND QLYQ (soil) OR QLYQ (ultraviolet light-enhanced) ANDZY (repairing device)):

Prior art 1: the Chinese patent publication No. CN204710847U discloses a chemical oxidation repairing device for organic contaminated soil, and the key points of the innovative scheme are as follows: the rotary shaft of the stirring box is provided with a plurality of stirring rods, and the oxidant, the activating agent and the chelating agent in the material box can be directly conveyed into each stirring rod and sprayed out by a high-pressure nozzle at the end part of each stirring rod far away from the rotary shaft. In the above-mentioned in-process, during rotation of the rotation axis, each puddler can form the stirring of the contaminated soil in the agitator tank in a relatively large extent, it not only can play the effect of smashing soil, and can make soil form the effect of upset in the agitator tank, stirring effect is relatively better, moreover the puddler can stretch into in the soil, thereby can make the chemical agent can permeate to the soil inside of agitator tank, and along with the continuous rotation of puddler, mix relatively more evenly between high-pressure nozzle spun oxidant and activator and the soil, not only can guarantee the mixing efficiency between soil and each chemical agent, and the stirring of this kind of form makes chemical agent and soil contact very abundant, and then can effectively get rid of soil interior pollutant under the effect of less oxidant and activator, the follow-up soil that need not to repair carries out drying treatment.

Prior art 2: the Chinese patent of invention, publication No. CN105457999A discloses a photocatalytic soil remediation method, and the key points of the innovative scheme are as follows: when the device is operated, the device is placed on the polluted soil, the spiral conveying blades rotate along with the rotation of the rotating shaft, the agglomerations of the polluted soil are stirred and crushed by the spiral conveying blades, and the photocatalytic reaction fully occurs under the action of the ultraviolet lamp, so that organic pollutants are eliminated; the additive in the soil restoration agent storage bin is a mixture of the soil restoration agent, humic acid urea and nano titanium dioxide powder, the soil restoration agent can carry out chelation reaction with heavy metal ions contained in soil to generate metal complex, the humic acid urea can bond dispersed soil particles to form a granular structure with good water stability, the nano titanium dioxide powder can fully contact with the restored soil, the nano titanium dioxide powder left in the soil can effectively capture organic pollutants and viruses remained in the soil, the sufficiency of photocatalytic reaction is further improved, and the functionality of the restored soil is enhanced.

The prior art 1-2 can be used for repairing organic polluted soil, but the application provides another more efficient soil repairing scheme, and the ultraviolet reinforced chemical oxidation process can be adopted in the chemical oxidation process, so that organic pollutants are easier to degrade; meanwhile, the helical blades and the high-pressure spray heads can be used for fully and uniformly mixing the medicament and the organic polluted soil, so that the working efficiency is improved.

Disclosure of utility model

In order to solve the problems of the prior art that the existing equipment has small contact area with the polluted soil in the chemical oxidation process, low photoactivation efficiency, poor chemical oxidation effect and high dosage of chemicals, the application provides an ultraviolet reinforced soil chemical oxidation repairing device, which can adopt ultraviolet lamps to reinforce the chemical oxidation process in the chemical oxidation process, so that organic pollutants are easier to degrade; meanwhile, the spiral blades and the high-pressure chemical spray nozzle are used for realizing the full mixing of the chemical and the organic polluted soil, so that the chemical oxidation efficiency is high, the dosage of the chemical oxidation chemical is greatly reduced, the working efficiency is improved, and the soil restoration period is shortened.

In order to achieve the above purpose, the technical scheme adopted by the application is as follows:

The ultraviolet reinforced soil chemical oxidation restoration device comprises a feeding crushing device and a soil restoration device which are communicated with each other, wherein a plurality of support columns are arranged at the bottom of the soil restoration device, a discharge hole is further formed in the bottom of the soil restoration device, and the ultraviolet reinforced soil chemical oxidation restoration device further comprises a control box and a medicament injection device, wherein the control box is electrically connected with the medicament injection device;

The soil remediation device comprises a remediation box, a rotary shaft is arranged in the remediation box, the rotary shaft is a hollow shaft, one end, close to the feeding crushing device, of the rotary shaft penetrates through the remediation box, a second driving motor is detachably connected with one end, penetrating through the remediation box, of the rotary shaft, a helical blade is arranged outside the shaft wall in the remediation box, and a plurality of ultraviolet lamps and a plurality of high-pressure medicament spray heads are connected to the helical blade at fixed intervals;

the control box is electrically connected with the ultraviolet lamp through a power supply wire harness, the medicament injection device is connected with the high-pressure medicament spray head pipeline, and the power supply wire harness and the pipeline are both arranged in the hollow shaft of the rotating shaft.

As a further improvement of the utility model, the soil remediation device further comprises a bearing plate, wherein the bearing plate is arranged at the bottom of the second driving motor and is in threaded connection with the remediation box.

As a further improvement of the utility model, both ends of the rotating shaft are rotatably arranged in the repair box through bearings, and the shaft ends of the rotating shaft, which are not provided with the helical blades, are in gear engagement transmission with the driving shaft of the second driving motor.

As a further improvement of the utility model, the feeding crushing device comprises a feeding hopper, the bottom of the feeding hopper is communicated with the repairing box, a stirring part is arranged in the feeding hopper, and a first driving motor is detachably connected to the stirring part.

As a further improvement of the utility model, the stirring component comprises a stirring shaft and stirring blades, wherein the stirring blades are provided with a plurality of layers, the stirring blades are inserted in the stirring shaft in a circumferential array, and the lower end of the stirring shaft is in gear engagement transmission with the driving shaft of the first driving motor.

As a further improvement of the present utility model, the medicine injection device includes a medicine box and a liquid feeder, the liquid feeder is disposed and communicated at the bottom of the medicine box, the liquid feeder is electrically connected with the control box through the power supply wire bundle, and the bottom of the liquid feeder is also communicated with the high-pressure medicine spray head through a transfusion tube.

As a further improvement of the utility model, the supporting columns are respectively arranged at four corners of the bottom surface of the repairing box, the discharge hole arranged at the bottom surface of the repairing box is also in threaded connection with a discharge hopper, and the vertical length of the supporting columns is larger than the vertical height of the discharge hopper.

Compared with the prior art, the technical scheme provided by the utility model has the following advantages and effects:

1. According to the application, the control box can control the liquid adding speed of the medicament injection device, and the medicament box, the liquid charger and the high-pressure medicament spray head are matched, so that automatic liquid adding is realized, wherein an operator can adjust the liquid adding speed according to the amount of medicament injected according to actual needs, and further different injection conditions can be dealt with, and the suitability of the whole device is improved.

2. According to the application, the high-pressure chemical spray nozzle arranged on the spiral blade is used for injecting the chemical liquid, when the spiral blade is driven to rotate by the rotating shaft, the caking of the polluted soil can be stirred and crushed by the spiral blade, and the chemical liquid is injected from the high-pressure chemical spray nozzle when the caking of the polluted soil is rotated and crushed, so that the chemical liquid and the polluted soil are fully and uniformly mixed, the chemical liquid is beneficial to entering the polluted soil with low permeability, the mixing efficiency of the chemical liquid in the soil is accelerated, and the use amount of the chemical agent is reduced.

3. According to the application, under the irradiation effect of the ultraviolet lamp arranged on the spiral blade, the chemical oxidation agent can fully react, so that the chemical oxidation agent can generate high-activity free radicals, the contact area with polluted soil is increased, the effect of chemical oxidation is further enhanced, and the method has the characteristics of economy, safety, high efficiency and no secondary pollution in practical production and application.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic view of the front internal structure of the present utility model.

FIG. 2 is an enlarged partial view of region A of FIG. 1

In the figure: 1. a control box; 2. a feed crushing device; 21. a feed hopper; 22. a stirring shaft; 23. stirring blades; 24. a first driving motor; 3. a soil remediation device; 31. repairing the box; 32. a rotation shaft; 33. a helical blade; 331. an ultraviolet lamp; 332. a high pressure medicament spray head; 34. a second driving motor; 35. a carrying plate; 4. a drug injection device; 41. a medicament box; 42. a liquid filler; 43. an infusion tube; 5. a power supply harness; 6. a support column; 7. and (5) discharging the hopper.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which a product of the application is conventionally put in use, it is merely for convenience of describing the present application and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like in the description of the present application, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

Furthermore, the terms "horizontal," "vertical," and the like in the description of the present application, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Examples:

The ultraviolet reinforced soil chemical oxidation restoration device comprises a feeding crushing device 2 and a soil restoration device 3 which are mutually communicated, wherein a plurality of support columns 6 are arranged at the bottom of the soil restoration device 3, a discharge hole is further formed in the bottom of the soil restoration device 3, the ultraviolet reinforced soil chemical oxidation restoration device further comprises a control box 1 and a medicament injection device 4, and the control box 1 is electrically connected with the medicament injection device 4;

The soil remediation device 3 comprises a remediation box 31, a rotary shaft 32 is arranged in the remediation box 31, the rotary shaft 32 is a hollow shaft, one end, close to the feeding crushing device 2, of the rotary shaft 32 penetrates through the remediation box 31, a second driving motor 34 is detachably connected to one end, penetrating through the remediation box 31, of the rotary shaft 32, a helical blade 33 is further arranged outside the shaft wall, arranged in the remediation box 31, of the rotary shaft 32, and a plurality of ultraviolet lamps 331 and a plurality of high-pressure medicament spray heads 332 are connected to the helical blade 33 at fixed intervals;

The control box 1 is electrically connected with the ultraviolet lamp 331 through a power supply wire harness 5, the chemical injection device 4 is connected with the high-pressure chemical spray head 332 through a pipeline, and the power supply wire harness 5 and the pipeline are both arranged inside the hollow shaft of the rotating shaft 32.

It is worth noting that, in the present application, the high-pressure chemical spray head 332 disposed on the spiral blade 33 is used for injecting chemical solution, when the rotation shaft 32 drives the spiral blade 33 to rotate, the agglomeration of the polluted soil can be agitated and broken by the spiral blade 33, and the chemical solution is injected from the high-pressure chemical spray head 332 while the agglomeration of the polluted soil is rotated and broken, so that the chemical solution and the polluted soil are fully and uniformly mixed, the chemical solution is beneficial to entering the polluted soil with low permeability, the mixing efficiency of the chemical solution of the soil is accelerated, and the usage amount of the chemical solution is reduced.

It is further worth to describe that the application can fully react the chemical oxidation agent under the irradiation of the ultraviolet lamp 331 arranged on the spiral blade 33, thereby enabling the chemical oxidation agent to generate high-activity free radical capability, and simultaneously increasing the contact area with the polluted soil, further strengthening the effect of chemical oxidation, and having the characteristics of economy, safety, high efficiency and no secondary pollution in practical production and application.

It can be understood that the ultraviolet lamp 331 and the high-pressure spray nozzle 332 installed on the spiral blade 33 are arranged at fixed intervals along the blade laying direction of the spiral blade 33, the total number of the arrangement can be the number of labels, and the specific customization can be performed according to the actual use condition, and the main purpose is that the organic pollutants are easier to degrade, and meanwhile, the medicament and the organic polluted soil can be fully and uniformly mixed through the spiral blade 33 and the high-pressure spray nozzle, so that the organic pollutants are easier to degrade, and the medicament and the organic polluted soil are fully and uniformly mixed.

Referring to fig. 1 of the specification, the soil remediation device 3 further includes a bearing plate 35, where the bearing plate 35 is disposed at the bottom of the second driving motor 34 and is screwed with the remediation box 31.

In the implementation process, the second driving motor 34 needs to be rotationally connected with the rotating shaft 32 in the repairing box 31, so that in order to make the second driving motor 34 perform stable operation better, a bearing plate 35 is arranged at the bottom end of the second driving motor 34, so that the second driving motor 34 is ensured to perform stable operation.

Both ends of the rotating shaft 32 are rotatably disposed inside the repairing box 31 through bearings, and the shaft ends of the rotating shaft 32, on which the spiral blades 33 are not disposed, are in gear engagement with the driving shaft of the second driving motor 34.

In the specific implementation process, in order to enable the infusion tube 43 and the power supply wire bundle 5 to be smoothly installed inside the rotating shaft 32, the second driving motor 34 can drive the rotating shaft 32 to work, and further, a transmission mode between the shaft ends of the spiral blades 33 and the driving shaft of the second driving motor 34 is set to be gear engagement transmission.

Referring to fig. 1 of the specification, the feeding crushing device 2 includes a feeding hopper 21, the bottom of the feeding hopper 21 is communicated with a repairing box 31, a stirring component is arranged inside the feeding hopper 21, a first driving motor 24 is detachably connected to the stirring component, the stirring component includes a stirring shaft 22 and stirring blades 23, the stirring blades 23 are provided with multiple layers, the stirring blades 23 are inserted into the stirring shaft 22 in a circumferential array, and the lower end of the stirring shaft 22 is in gear engagement transmission with a driving shaft of the first driving motor 24.

It is explained that in the concrete implementation process, the caking of the polluted soil enters from the feed hopper 21, the caking of the polluted soil is firstly stirred up by the stirring component arranged in the feed hopper 21, and then the stirred up caking of the polluted soil smoothly enters the next process, so that the caking of the polluted soil is prevented from blocking equipment in the transportation process.

Referring to fig. 2 of the drawings, the medicine injection device 4 includes a medicine box 41 and a liquid feeder 42, the liquid feeder 42 is communicated with the bottom of the medicine box 41, the liquid feeder 42 is electrically connected with the control box 1 through the power supply wire bundle 5, and the bottom of the liquid feeder 42 is also communicated with the high-pressure medicine spray head 332 through a transfusion tube 43.

To explain, in the implementation process, the control box 1 can control the liquid feeding speed of the medicament injection device 4, and the medicament box 41, the liquid charger 42 and the high-pressure medicament spray nozzle 332 cooperate to realize automatic liquid feeding, wherein an operator can adjust the liquid feeding speed according to the medicament amount injected in actual need, and then can cope with different injection conditions, and the suitability of the whole device is improved.

Referring to fig. 1 of the specification, the support columns 6 are respectively disposed at four corners of the bottom surface of the repair box 31, and the discharge port formed in the bottom surface of the repair box 31 is further screwed with the discharge hopper 7, and the vertical length of the support columns 6 is greater than the vertical height of the discharge hopper 7.

The working principle is briefly described:

The caking of contaminated soil gets into from feeder hopper 21, first time stirs garrulous to the caking of contaminated soil through the stirring element that feeder hopper 21 inside set up, then make the contaminated soil caking of stirring get into soil prosthetic devices 3 smoothly under the effect of gravity, wherein, repair box 31 one end top in soil prosthetic devices 3 is being connected with feeder hopper 21 bottom, the discharge gate of the other end bottom is connected with discharge hopper 7, be provided with the discharge gate, after contaminated soil caking gets into soil prosthetic devices 3, drive helical blade 33 along with rotation axis 32, the caking of contaminated soil can be carried by helical blade 33, and in the in-process of carrying, be stirred and broken by helical blade 33, when the caking of contaminated soil is stirred garrulously by the rotation, the liquid medicine is injected from high-pressure medicament shower nozzle 332, and then make liquid medicine and contaminated soil carry out abundant mixing, still be favorable to the contaminated soil of medicament entering low permeability, increase the area of contact with the contaminated soil, accelerate the mixing efficiency of soil medicament, make chemical oxidation medicament fully take place the reaction, simultaneously under ultraviolet lamp's irradiation effect, further strengthen the effect of chemical oxidation medicament 331, and reduce the use amount of chemical medicament.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. The utility model provides an ultraviolet ray reinforces soil chemical oxidation prosthetic devices, includes feeding breaker (2) and soil prosthetic devices (3) of intercommunication each other, soil prosthetic devices (3) bottom is provided with many spinal branch daggers (6), discharge gate, its characterized in that have still been seted up to soil prosthetic devices (3) bottom: the device also comprises a control box (1) and a medicament injection device (4), wherein the control box (1) is electrically connected with the medicament injection device (4);

The soil remediation device (3) comprises a remediation box (31), a rotary shaft (32) is arranged inside the remediation box (31), the rotary shaft (32) is a hollow shaft, one end, close to the feeding crushing device (2), of the rotary shaft (32) penetrates through the remediation box (31), a second driving motor (34) is detachably connected to one end, penetrating through the remediation box (31), of the rotary shaft (32) is arranged outside the shaft wall inside the remediation box (31), a helical blade (33) is further arranged outside the shaft wall inside the remediation box, and a plurality of ultraviolet lamps (331) and a plurality of high-pressure medicament spray heads (332) are connected to the helical blade (33) at fixed intervals;

The control box (1) is electrically connected with the ultraviolet lamp (331) through a power supply wire harness (5), the medicament injection device (4) is connected with the high-pressure medicament spray head (332) through a pipeline, and the power supply wire harness (5) and the pipeline are both arranged in the hollow shaft of the rotating shaft (32).

2. The ultraviolet-reinforced soil chemical oxidation remediation device of claim 1, wherein: the soil remediation device (3) further comprises a bearing plate (35), and the bearing plate (35) is arranged at the bottom of the second driving motor (34) and is in threaded connection with the remediation box (31).

3. The ultraviolet-reinforced soil chemical oxidation remediation device of claim 2, wherein: the two ends of the rotating shaft (32) are rotatably arranged inside the repairing box (31) through bearings, and the shaft ends of the rotating shaft (32) which are not provided with the spiral blades (33) are in gear engagement transmission with the driving shaft of the second driving motor (34).

4. The ultraviolet-reinforced soil chemical oxidation remediation device of claim 1, wherein: the feeding crushing device (2) comprises a feeding hopper (21), the bottom of the feeding hopper (21) is communicated with the repairing box (31), a stirring part is arranged inside the feeding hopper (21), and a first driving motor (24) is detachably connected to the stirring part.

5. The ultraviolet light enhanced soil chemical oxidation remediation device of claim 4, wherein: the stirring part comprises a stirring shaft (22) and stirring blades (23), the stirring blades (23) are provided with multiple layers, the stirring blades (23) are inserted into the stirring shaft (22) in a circumferential array manner, and the lower end of the stirring shaft (22) is in gear meshing transmission with the driving shaft of the first driving motor (24).

6. The ultraviolet-reinforced soil chemical oxidation remediation device of claim 1, wherein: the medicament injection device (4) comprises a medicament box (41) and a liquid feeder (42), wherein the liquid feeder (42) is communicated with the bottom of the medicament box (41), the liquid feeder (42) is electrically connected with the control box (1) through the power supply wire bundle (5), and the bottom of the liquid feeder (42) is communicated with the high-pressure medicament spray head (332) through a transfusion tube (43).

7. The ultraviolet-reinforced soil chemical oxidation remediation device of claim 1, wherein: the support columns (6) are respectively arranged at four corners of the bottom surface of the repairing box (31), a discharge hopper (7) is further connected with a discharge hole formed in the bottom surface of the repairing box (31) in a screwed mode, and the vertical length of the support columns (6) is larger than the vertical height of the discharge hopper (7).