CN219702982U - Soil remediation device - Google Patents

Abstract

The utility model discloses a soil remediation device which comprises a frame, a vibrating screen, a crusher and a stirrer, wherein wheels are arranged on the periphery of the frame, the vibrating screen, the crusher and the stirrer are arranged on the frame, a feeding hole of the crusher is connected with a coarse material outlet of the vibrating screen, a discharging hole of the crusher is communicated with a feeding hole of the stirrer, a fine material outlet of the vibrating screen is communicated with a feeding hole of the stirrer, a hot air blower is connected to the vibrating screen, and a liquid medicine spraying unit is communicated to the stirrer. According to the utility model, through the cooperation of the vibrating screen, the crusher, the stirrer, the air heater and the liquid medicine spraying unit, the polluted soil is firstly screened and crushed before entering the stirrer, so that the problem of poor uniformity of the stirrer during stirring caused by uneven soil particle size is avoided, the soil can be fully fused with chemical restoration agents, and the polluted soil is thermally desorbed by blowing hot air by the air heater during screening, so that various restoration means are combined, and the overall restoration rate is effectively improved.

Description

Soil remediation device

Technical Field

The utility model relates to the technical field of soil remediation, in particular to a soil remediation device.

Background

With the rapid development of society, soil pollution is also becoming more serious, and soil pollution is becoming a problem restricting sustainable development of human society and is receiving widespread attention of countries around the world. At present, when contaminated soil is repaired, a chemical reagent repairing method is common, but the existing soil repairing equipment has poor uniformity during stirring due to soil caking and uneven particle size, and cannot be fully fused with the chemical reagent, so that the repairing effect is affected; and the repair at different treatment stages cannot be organically integrated, the repair means is single, and the overall repair efficiency is low.

The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the utility model and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior utility model or that it is already disclosed at the date of filing of this application.

Disclosure of Invention

The utility model aims to overcome the defects of the background technology and provide a soil restoration device.

In order to achieve the above purpose, the soil remediation device provided by the utility model comprises a frame, a vibrating screen, a crusher and a stirrer, wherein wheels are arranged on the periphery of the frame, the vibrating screen, the crusher and the stirrer are arranged on the frame, a feeding port of the crusher is connected with a coarse material outlet of the vibrating screen, a discharging port of the crusher is communicated with a feeding port of the stirrer, a fine material outlet of the vibrating screen is communicated with a feeding port of the stirrer, a hot air blower is connected to the vibrating screen, and a liquid medicine spraying unit is communicated to the stirrer. The soil to be treated is firstly screened by the vibrating screen before entering the stirrer, the hot air is continuously blown by the hot air machine to thermally desorb the polluted soil during screening, so that the purification treatment of the soil is realized, the soil is vibrated and thrown up during screening, the soil is contacted with the hot air more uniformly, the thermal desorption effect is better, the coarse materials screened out are crushed by the crusher, and then enter the stirrer together with the fine materials to be stirred, so that the particle size of the soil is uniform, and the chemical restoration agent is sprayed into the stirrer 4 by the liquid medicine spraying unit during stirring, so that the soil and the chemical restoration agent are fully fused, and the overall restoration effect is improved.

Further, the air heater is communicated with the vibrating screen through an air outlet hose, a cover plate is arranged on the vibrating screen, one end, away from a feed inlet of the vibrating screen, of the cover plate is communicated with an air outlet pipe, and an exhaust fan is communicated with the air outlet pipe. During thermal desorption, the heated and volatilized contaminants are extracted by an exhaust fan and separated from the soil.

Further, the liquid medicine spraying unit comprises a liquid medicine tank, an increasing pump, a spraying pipe and a plurality of spraying heads, wherein the liquid medicine tank is arranged on the frame, one end of the spraying pipe is communicated with the liquid medicine tank, a spraying branch pipe is communicated with the other end of the spraying pipe, the spraying branch pipe is arranged at the top of the stirrer, one end of the spraying head is communicated with the spraying branch pipe, the other end of the spraying head penetrates into the stirrer, and the increasing pump is communicated with the spraying pipe. The chemical restoration agent stored in the drug water tank is pumped out by adding a pump, and sprayed into the stirrer through a spray pipe, a spray branch pipe and a spray header to chemically degrade pollutants.

Further, a screening hopper is arranged above the vibrating screen and is arranged on the frame through a supporting frame, and a discharge hole at the bottom of the screening hopper is connected with a feeding hole of the vibrating screen through a discharge hose. After the polluted soil to be treated is poured into the screening hopper, the polluted soil uniformly falls into the vibrating screen to be screened, so that the high-time low-time soil quantity is avoided.

Further, a valve is arranged at the discharge hole at the bottom of the screening hopper. The amount of soil entering the vibrating screen is controlled by a valve.

Further, the mixer includes agitator tank body, agitator motor, reducing gear box and (mixing) shaft, the (mixing) shaft erects in the agitator tank body, a plurality of stirring leaves have been laid to the screw on the (mixing) shaft, agitator motor's output with the input of reducing gear box is connected, the output of reducing gear box with the one end of (mixing) shaft is connected. The stirring motor drives the stirring shaft to rotate, and the soil and the chemical restoration agent entering the stirring box body are stirred.

Further, the stirring shafts are arranged in two, the stirring shafts are parallel to each other, and one ends of the stirring shafts are provided with transmission gears meshed with each other.

Further, the stirring box top is equipped with the case lid, set up on the case lid with the inside stirring pan feeding mouth that communicates of stirring box, stirring pan feeding mouth department is equipped with the stirring hopper, the stirring hopper is located the discharge gate of breaker with under the fine material export of shale shaker, the stirring box is kept away from be equipped with the stirring discharge gate on the lateral wall of stirring pan feeding mouth. And discharging the soil after mixing and stirring through a stirring discharge port to finish repairing.

Further, one end of the frame is connected with a trailer frame, and the trailer frame is connected with a towing hook of an external vehicle so as to conveniently drag the device to a land block of the soil to be repaired for use, thereby improving convenience.

Further, be equipped with the switch board on the frame, the inside control circuit that is equipped with of switch board, control circuit with the shale shaker the breaker with the agitator is electromechanical to be connected for control this soil prosthetic devices's operation.

The beneficial effects of the utility model include: through the cooperation of the vibrating screen, the crusher, the stirrer and the liquid medicine spraying unit, polluted soil is firstly screened before entering the stirrer and the large-particle-size soil is crushed, so that the phenomenon that the uniformity of the stirrer is poor when the stirrer stirs is avoided due to uneven particle size of the soil, the soil can be fully fused with a chemical restoration agent, and the restoration effect is improved; through setting up the air heater, the air heater blows hot-blast to carry out thermal desorption to the soil that receives the pollution when screening, realizes the purification repair to soil and handles, and when screening, soil is thrown by vibration moreover, and it is more even with hot-blast contact, and the thermal desorption effect is better, and multiple restoration means combines together, has effectively improved whole repair rate.

Drawings

FIG. 1 is an overall schematic view of a soil remediation device according to an embodiment of the present utility model.

FIG. 2 is a schematic view of a blender in an embodiment of the present utility model.

FIG. 3 is a schematic illustration of an agitator with a cover removed in accordance with an embodiment of the present utility model.

Fig. 4 is a schematic view of a traditional Chinese medicine water spray unit according to an embodiment of the present utility model.

Reference numerals: 1, a frame; 101 wheels; 102, towing the frame; 2, vibrating screen; 201 cover plate; 202, an air outlet pipe; 203 an exhaust fan; 3, a crusher; 4, a stirrer; 401 stirring box body; 402 a stirring motor; 403 a reduction gearbox; 404 stirring shaft; 405 stirring the leaves; 406 a drive gear; 407 cover; 408 stirring the feed inlet; 409 stirring hopper; 4010 stirring discharge port; 5, an air heater; 501 an air outlet hose; 6 a liquid medicine spraying unit; 601 a medicinal water tank; 602 adding a pump; 603 spray pipes; 604 a showerhead; 605 spray manifold; 7, screening a hopper; 701 supporting frames; 702 a discharge hose; 703 valve; 8 control cabinet.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the embodiments of the present utility model more clear, the present utility model is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for both the fixing action and the circuit communication action.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing embodiments of the utility model and to simplify the description by referring to the figures, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 4, the soil remediation device disclosed in an embodiment includes a frame 1, a vibrating screen 2, a crusher 3 and a mixer 4, wheels 101 are arranged around the frame 1, the vibrating screen 2, the crusher 3 and the mixer 4 are all arranged on the frame 1, a feeding port of the crusher 3 is connected with a coarse material outlet of the vibrating screen 2, a discharging port of the crusher 3 is connected with a feeding port of the mixer 4, a fine material outlet of the vibrating screen 2 is also connected with a feeding port of the mixer 4, a hot air blower 5 is connected to the vibrating screen 2, and a liquid medicine spraying unit 6 is connected to the mixer 4. Specifically, the vibrating screen 2 is obliquely supported on the frame 1, the crusher 3 is arranged beside the bottom end of the vibrating screen 2, the feeding port of the crusher 3 is in soft connection with the coarse material outlet of the vibrating screen 2 through a hose, the stirrer 4 is arranged below the vibrating screen 2 and the crusher 3, the feeding port of the stirrer 4 is simultaneously communicated with the fine material outlet of the vibrating screen 2 and the discharging port of the crusher 3, the crusher 3 adopts any one of a jaw crusher, a gyratory crusher, a cone crusher, a roller crusher, a hammer crusher and a impact crusher, the soil to be treated is firstly screened by the vibrating screen 2 before entering the stirrer 4, the hot air 5 continuously blows hot air to thermally desorb the polluted soil during screening, the purification treatment of the soil is realized, and during screening, the stirred tank is vibrated to be more uniform in contact with hot air, the thermal desorption effect is better, the screened coarse material enters the crusher 3 to be crushed, and then the fine material enters the stirrer 4 together, so that the soil is more uniform in size, the stirring effect is further improved, and the chemical agent restoration and chemical restoration effect is further improved by spraying the chemical restoration unit 6 in the mixer.

The air heater 5 is communicated with the vibrating screen 2 through the air outlet hose 501, the condition that the air heater 5 is affected by continuous vibration during the working of the vibrating screen 2 is avoided, the vibrating screen 2 is provided with the cover plate 201, the vibrating screen 2 is internally sealed by the cover plate 201, the hot air heating effect is improved, the air outlet pipe 202 is communicated with one end of the cover plate 201, which is far away from a feeding port of the vibrating screen 2, the air outlet pipe 202 is communicated with the exhaust fan 203, the heated and volatilized pollutants are extracted from soil through the exhaust fan 203 and separated, and then are sent to an external tail gas treatment system (not shown) for further treatment, the treatment of the pollutants is in the prior art, and no repeated description is carried out.

The liquid medicine spraying unit 6 includes the liquid medicine jar 601, increase pump 602, shower 603 and a plurality of shower head 604, the liquid medicine jar 601 sets up on frame 1, the liquid medicine jar 601 is used for storing chemistry restoration medicament, shower 603 one end and the bottom intercommunication of liquid medicine jar 601, the other end intercommunication of shower 603 has spray branch 605, spray branch 605 lays at mixer 4 top, in this embodiment, spray branch 605 is provided with two sets of, the interval is laid in mixer 4 top, a plurality of shower head 604 one end and spray branch 605 intercommunication, the other end of shower head 604 runs through to mixer 4 inside, increase pump 602 intercommunication is on shower 603. The chemical restoration agent in the chemical tank 601 is uniformly sprayed into the stirrer 4 through a spray pipe 603, an additional pump 602 and a spray header 604 of a spray branch pipe 605.

A screening hopper 7 is arranged above the vibrating screen 2, the screening hopper 7 is arranged on the frame 1 through a supporting frame 701, and a bottom discharge port of the screening hopper 7 is in flexible connection with a feed inlet of the vibrating screen 2 through a discharge hose 702. The polluted soil to be treated is poured into the screening hopper 7 through a forklift, a digger or a conveyer belt, and then falls into the vibrating screen 2 for screening, a valve 703 is arranged at a discharge hole at the bottom of the screening hopper 7, and the discharging amount is controlled through the valve 703.

The stirrer 4 comprises a stirring box body 401, a stirring motor 402, a reduction gearbox 403 and a stirring shaft 404, wherein the stirring shaft 404 is erected in the stirring box body 401, and a plurality of stirring blades 405 are spirally arranged on the stirring shaft 404, optionally, in order to improve durability, the stirring blades 405 can be replaced by stirring teeth, the output end of the stirring motor 402 is connected with the input end of the reduction gearbox 403, and the output end of the reduction gearbox 403 is connected with one end of the stirring shaft 404; the stirring shaft 404 is provided with two stirring shafts 404, the two stirring shafts 404 are arranged in the stirring box 401 in parallel, one ends of the two stirring shafts 404 are provided with transmission gears 406 meshed with each other, so that the two stirring shafts 404 can synchronously rotate, the top of the stirring box 401 is provided with a box cover 407, the box cover 407 covers the stirring box 401, flying ash is prevented from rising outwards during stirring, the box cover 407 is provided with a stirring inlet 408 communicated with the inside of the stirring box 401, the stirring inlet 408 is arranged at a stirring starting end, the stirring inlet 408 is provided with a stirring hopper 409, the stirring hopper 409 is arranged under a discharge hole of the crusher 3 and a fine material outlet of the vibrating screen 2, fine granular soil coming out of the vibrating screen 2 and crushed soil automatically enter the stirring hopper 409 under the action of gravity, the stirring hopper 409 enters the stirring box 401, the stirring box 401 is provided with a stirring outlet 4010 on the side wall of the stirring box 401, and the soil fully fused with a chemical repairing agent is discharged through the stirring outlet 4010.

The trailer frame 102 is connected to one end of the frame 1, and the trailer frame 102 is used for being connected with a towing hook of an external vehicle, so that the soil remediation device is convenient to move to the site for use, and convenience is improved.

The frame 1 is provided with a control cabinet 8, and a control circuit (not shown) is arranged in the control cabinet 8 and is electrically connected with the vibrating screen 2, the crusher 3 and the stirrer 4 for controlling the operation of the soil remediation device.

The background section of the present utility model may contain background information about the problems or environments of the present utility model and is not necessarily descriptive of the prior art. Accordingly, inclusion in the background section is not an admission of prior art by the applicant.

The foregoing is a further detailed description of the utility model in connection with specific/preferred embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that several alternatives or modifications can be made to the described embodiments without departing from the spirit of the utility model, and these alternatives or modifications should be considered to be within the scope of the utility model. In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "preferred embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Those skilled in the art may combine and combine the features of the different embodiments or examples described in this specification and of the different embodiments or examples without contradiction. Although embodiments of the present utility model and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the utility model as defined by the appended claims.

Claims (10)

1. A soil remediation device, characterized in that: including frame, shale shaker, breaker and mixer, be equipped with the wheel around the frame, the shale shaker the breaker with the mixer all sets up on the frame, the pan feeding mouth of breaker with the coarse fodder exit linkage of shale shaker, the discharge gate of breaker with the pan feeding mouth of mixer communicates, the fine material export of shale shaker with the pan feeding mouth of mixer communicates, be connected with the air heater on the shale shaker, the intercommunication has the liquid medicine to spray the unit on the mixer.

2. The soil remediation device of claim 1 wherein: the air heater is communicated with the vibrating screen through an air outlet hose, a cover plate is arranged on the vibrating screen, one end, away from a feed inlet of the vibrating screen, of the cover plate is communicated with an air outlet pipe, and an exhaust fan is communicated with the air outlet pipe.

3. The soil remediation device of claim 1 wherein: the liquid medicine spraying unit comprises a liquid medicine tank, an increasing pump, spraying pipes and a plurality of spraying heads, wherein the liquid medicine tank is arranged on the frame, one end of each spraying pipe is communicated with the liquid medicine tank, the other end of each spraying pipe is communicated with a spraying branch pipe, the spraying branch pipes are arranged at the top of the stirrer, one ends of the spraying heads are communicated with the spraying branch pipes, the other ends of the spraying heads penetrate into the stirrer, and the increasing pump is communicated with the spraying pipes.

4. The soil remediation device of claim 1 wherein: the vibrating screen is characterized in that a screening hopper is arranged above the vibrating screen and is arranged on the frame through a supporting frame, and a discharge hole at the bottom of the screening hopper is connected with a feeding hole of the vibrating screen through a discharge hose.

5. The soil remediation device of claim 4 wherein: and a valve is arranged at the discharge hole at the bottom of the screening hopper.

6. The soil remediation device of claim 1 wherein: the stirring machine comprises a stirring box body, a stirring motor, a reduction gearbox and a stirring shaft, wherein the stirring shaft is erected in the stirring box body, a plurality of stirring blades are spirally arranged on the stirring shaft, the output end of the stirring motor is connected with the input end of the reduction gearbox, and the output end of the reduction gearbox is connected with one end of the stirring shaft.

7. The soil remediation device of claim 6 wherein: the stirring shafts are arranged in parallel, and one end of each stirring shaft is provided with a transmission gear meshed with the other end of each stirring shaft.

8. The soil remediation device of claim 7 wherein: the stirring box body top is equipped with the case lid, set up on the case lid with the stirring pan feeding mouth of the inside intercommunication of stirring box, stirring pan feeding mouth department is equipped with the stirring hopper, the stirring hopper is located the discharge gate of breaker with under the fine material export of shale shaker, the stirring box body is kept away from be equipped with the stirring discharge gate on the lateral wall of stirring pan feeding mouth.

9. The soil remediation device of claim 1 wherein: and one end of the frame is connected with a trailer frame, and the trailer frame is connected with a towing hook of an external vehicle.

10. The soil remediation device of claim 1 wherein: the frame is provided with a control cabinet, a control circuit is arranged in the control cabinet, and the control circuit is electrically connected with the vibrating screen, the crusher and the stirrer.