CN114029328A - Soil remediation system - Google Patents
Soil remediation system Download PDFInfo
- Publication number
- CN114029328A CN114029328A CN202111417636.2A CN202111417636A CN114029328A CN 114029328 A CN114029328 A CN 114029328A CN 202111417636 A CN202111417636 A CN 202111417636A CN 114029328 A CN114029328 A CN 114029328A
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- soil
- heat treatment
- storage hopper
- medicament
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- 239000002689 soil Substances 0.000 title claims abstract description 112
- 238000005067 remediation Methods 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 99
- 239000003814 drug Substances 0.000 claims abstract description 85
- 238000010438 heat treatment Methods 0.000 claims abstract description 60
- 238000002156 mixing Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000010902 straw Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 14
- 229940079593 drug Drugs 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 3
- 238000010000 carbonizing Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 238000013461 design Methods 0.000 abstract description 4
- 238000003763 carbonization Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 239000002957 persistent organic pollutant Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
- B02C21/02—Transportable disintegrating plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a soil remediation system, which comprises a box body, wherein a soil crushing device and a heat treatment device are arranged in the box body, medicament mixing arrangement, soil breaker top intercommunication is equipped with the feeder hopper, the inside broken mechanism that is equipped with of soil breaker, the intercommunication is equipped with first storage hopper under the soil breaker, first storage hopper is linked together with heat treatment device through first defeated material body, the intercommunication is equipped with the second storage hopper under the heat treatment device, the second storage hopper is linked together with medicament mixing arrangement upper portion through second defeated material body, the dosing tank is installed at medicament mixing arrangement top, the dosing tank bottom is linked together with medicament mixing arrangement through the dosing pipe, dosing pipe internally mounted has the material shifting mechanism, the medicament that holds in the dosing tank is formed by the preparation of carbonization treatment of agricultural straw class discarded object, the bin outlet has been seted up to medicament mixing arrangement side lower part, bin outlet department is equipped with the bin outlet. The soil remediation device is reasonable in structural design, good in soil remediation effect, high in treatment efficiency and high in applicability.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to a soil remediation system.
Background
The polluted soil remediation refers to a technical measure of reducing the concentration (activity) of pollutants in soil by methods such as physics, chemistry, biology, ecology and the like and adopting artificial regulation and control measures, so as to realize the harmlessness and stabilization of the pollutants and achieve the expected detoxification effect of people. Soil remediation methods that have been implemented to date include bioremediation techniques,
currently, soil remediation technologies that have been implemented include bioremediation technologies, chemical remediation technologies, and physical remediation technologies. The bioremediation technology has low remediation efficiency and poor pertinence, and pollutants such as heavy metal ions in soil cannot be removed. Physical remediation techniques are techniques for removing or separating contaminants from soil by various physical means, which are costly and cumbersome to handle. Chemical remediation technology develops earlier, usually adopts the mode of adding remediation agent into soil, and although the purpose of quickly and efficiently remedying soil is achieved, the environment is polluted again, the natural environment is damaged, the environmental protection concept is not achieved, and the sustainable development requirement is not met. Therefore, it is necessary to develop a soil remediation system that is environmentally friendly, can make soil remediation more thorough, and can improve remediation efficiency.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a soil remediation system which is reasonable in structural design, better in soil remediation effect, higher in treatment efficiency and stronger in applicability.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a soil remediation system, which comprises a box body, wherein a soil crushing device, a heat treatment device and a medicament mixing device are arranged in the box body, the top end of the soil crushing device is communicated with a feed hopper, the top end of the feed hopper extends out of the box body, a crushing mechanism is arranged in the soil crushing device, a first storage hopper is communicated below the soil crushing device and communicated with the heat treatment device through a first material conveying body, a second storage hopper is communicated below the heat treatment device and communicated with the upper part of the medicament mixing device through a second material conveying body, a medicament feeding box is arranged at the top of the medicament mixing device, the bottom end of the medicament feeding box is communicated with the medicament mixing device through a medicament feeding pipe, a material stirring mechanism is arranged in the medicament feeding pipe, and medicaments contained in the medicament feeding box are prepared by carbonizing agricultural straw waste, the side lower part of the medicament mixing device is provided with a discharge port, the discharge port is provided with a discharge pipe, the discharge pipe is provided with a control valve, and the bottom of the medicament mixing device is obliquely arranged for discharging materials.
The improvement is that a plurality of first guide plates and a plurality of second guide plates are respectively arranged on the side walls of two opposite sides in the medicament mixing device from top to bottom, the first guide plates and the second guide plates are all obliquely and downwards arranged, the first guide plates and the second guide plates are arranged in a staggered mode, and vibrators are respectively arranged at the bottom ends of the first guide plates and the second guide plates.
Through the arrangement, an S-shaped flow channel is formed in the medicament mixing device under the matching of the first guide plate and the second guide plate, the soil after crushing and heat treatment enters the dosing tank, and the soil and the medicament added by the dosing tank can be fully mixed when passing through the S-shaped flow channel, so that the final soil remediation effect is ensured, and the whole mixing process does not need to additionally add a power stirring device, so that the energy is saved, and the cost is saved; through the installation vibrator for soil slides downwards smoothly, avoids soil to amass there is space dead angle department.
The improved medicine adding device is characterized in that the material stirring mechanism comprises a rotating shaft, a stirring plate and a first driving motor, the rotating shaft is transversely rotatably installed inside the medicine adding pipe, one end of the rotating shaft is connected with the first driving motor located on the outer side of the medicine adding pipe, a plurality of stirring plates distributed at equal intervals are installed on the outer side of the rotating shaft along the circumferential direction, and the outer side of the stirring plate can be in contact with the inner side wall of the medicine adding pipe.
When the medicine adding device works, the driving motor drives the rotating shaft to rotate, the material shifting plate on the rotating shaft is driven to rotate along with the rotating shaft, the medicines in the medicine adding box are uniformly shifted into the medicine mixing device, and the medicines are uniformly added.
The soil crushing device is further improved in that the crushing mechanism comprises a plurality of crushing rollers and a second driving motor matched with the crushing rollers, and the crushing rollers are arranged inside the soil crushing device side by side.
Drive through second driving motor and smash the roller and rotate, can smash soil into the graininess, guaranteed the subsequent processing effect to soil, when in-service use, can be with the reverse setting of the rotation direction of two adjacent crushing rollers to promote the crushing effect to soil.
The improved structure is characterized in that the first storage hopper is far away from the side wall of the first material conveying body in an inclined mode, a vibrator is installed on the outer side of the first storage hopper, the first material conveying body is vertically arranged, a feeding port at the lower portion of the side wall of the first material conveying body is communicated with the interior of the first storage hopper, a discharging pipe in an inclined mode is communicated with a discharging port at the upper portion of the side portion of the first material conveying body, and the discharging pipe extends into the interior of the heat treatment device.
Through setting up the structure to first storage hopper to the installation vibrator prevents that soil from taking place to harden in the first storage hopper, and soil can enter into smoothly to entering into to first defeated material body by the feed inlet, and the transport of making progress perpendicularly, and get into to the inside processing on next step of carrying out of heat treatment device by the discharging pipe.
The improved structure is characterized in that the second storage hopper is of an inverted cone structure, the second material conveying body is arranged obliquely, a feeding hole in the lower portion of the side wall of the second material conveying body is communicated with the second storage hopper, and a discharging hole in the upper portion of the side wall of the second material conveying body is communicated with the medicament mixing device.
Through the arrangement, the soil in the second storage hopper is gathered to the bottom under the action of self gravity and then is conveyed to the interior of the medicine mixing device by the second conveying body.
The improved structure of the first material conveying body is that the first material conveying body and the second material conveying body are identical in internal structure, the first material conveying body comprises a cylinder, a central shaft and a spiral blade, the central shaft is mounted at the central axis in the cylinder, the bottom of the central shaft is rotatably arranged at the bottom in the cylinder, the top of the central shaft is connected with a third driving motor positioned at the top end of the cylinder, and the spiral blade is arranged on the outer side of the central shaft.
When the soil conveying device is used, the central shaft is driven to rotate by the third driving motor, so that the spiral blades are driven to rotate, and soil is driven to be lifted upwards from the feeding hole of the material conveying body to the discharging hole of the material conveying body.
The improved structure of the heat treatment device is characterized in that a transverse partition plate is arranged inside the heat treatment device, the partition plate divides the heat treatment device into a heat treatment chamber and a cooling chamber, a spiral stirrer is arranged inside the heat treatment chamber, a hot air pipe is arranged on the inner side wall of the heat treatment chamber, a feed opening is formed in the partition plate, a plurality of third guide plates and fourth guide plates which are arranged in a staggered mode are respectively arranged on the inner side walls of two opposite sides in the cooling chamber, the third guide plates and the fourth guide plates are arranged downwards in an inclined mode, and the heat treatment chamber and the cooling chamber are respectively communicated with an exhaust fan positioned at the top end of the heat treatment device through exhaust pipes.
Gas with a catalytic effect and hot air are added into the heat treatment chamber through the hot air pipe, and the soil is stirred under the action of the spiral stirrer, so that organic pollutants in the soil can be effectively removed; the soil after heat treatment falls from the feed opening on the partition plate and enters the cooling chamber, and under the action of the third material guide plate and the fourth material guide plate, the staying time of the soil in the cooling chamber is prolonged, and the soil is effectively cooled; under the action of the exhaust fan, the gas carrying the pollutants in the heat treatment chamber and the cooling chamber can be extracted in time. When in actual use, the top end of the partition plate is of an inclined structure, so that soil in the heat treatment chamber is conveniently guided into the feed opening, and the cooling pipe is arranged on the inner side wall of the cooling chamber.
The further improvement is that the air outlet of the exhaust fan is connected with an exhaust gas treatment device through a pipeline.
The air exhauster extracts the gas carrying the pollutants in the heat treatment chamber and the cooling chamber to the interior of the waste gas treatment device for filtration treatment, and then the gas is discharged, so that the pollution to the external environment is avoided.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the soil crushing device, the heat treatment device and the medicament mixing device are integrated in a shell, so that the device can be conveniently transferred and transported, the soil to be treated is crushed into particles by the soil crushing device, the subsequent treatment effect on the soil is ensured, the crushed soil enters the first storage hopper and is conveyed into the heat treatment device from bottom to top by the first conveying body, the soil in the heat treatment device is subjected to full thermocatalytic treatment, organic pollutants in the soil are effectively removed, the soil after thermocatalytic treatment enters the second storage hopper and is conveyed into the medicament mixing device from bottom to top by the second conveying body, the soil and the medicament added from the medicament adding box are mixed in the medicament mixing device, and the final repairing effect of the soil is ensured; the device structural design is reasonable, has excellent soil remediation effect, and the treatment effeciency is high moreover, and application scope is wide.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic view showing the internal structure of a soil remediation system according to the present invention;
FIG. 2 is a schematic view of the internal structure of the soil breaking device according to the present invention;
FIG. 3 is a schematic view of a first material transporter according to the present invention;
FIG. 4 is a schematic view showing the internal structure of a heat treatment chamber according to the present invention;
FIG. 5 is a schematic view of the internal structure of the drug mixing device according to the present invention;
FIG. 6 is a schematic structural view of the setting mechanism of the present invention;
wherein, the specific reference numbers are: the device comprises a box body 1, a feed hopper 2, a soil crushing device 3, a crushing roller 301, a first storage hopper 4, a first material conveying body 5, a cylinder body 501, a central shaft 502, a helical blade 503, a third driving motor 504, a discharge pipe 505, a heat treatment device 6, a partition plate 601, a discharge opening 602, a heat treatment chamber 603, a helical stirrer 604, a cooling chamber 605, a third material guide plate 606, a fourth material guide plate 607, an air suction pipe 608, an exhaust fan 609, an exhaust gas treatment device 610, a second storage hopper 7, a second material conveying body 8, a medicament mixing device 9, a first material guide plate 901, a second material guide plate 902, a discharge pipe 903, a medicament adding box 10, a medicament adding pipe 11, a material stirring mechanism 1101, a rotating shaft 1102, a material stirring plate 1103 and a vibrator 12.
Detailed Description
The embodiment of the invention discloses a soil remediation system, which comprises a box body 1, wherein a soil crushing device 3, a heat treatment device 6 and a medicament mixing device 9 are arranged in the box body 1, the top end of the soil crushing device 3 is communicated with a feed hopper 2, the top end of the feed hopper 2 extends out of the box body 1, a crushing mechanism is arranged in the soil crushing device 3, a first storage hopper 4 is communicated below the soil crushing device 3, the first storage hopper 4 is communicated with the heat treatment device 6 through a first medicament conveying body 5, a second storage hopper 7 is communicated below the heat treatment device 6, the second storage hopper 7 is communicated with the upper part of the medicament mixing device 9 through a second medicament conveying body 8, a medicament feeding box 10 is arranged at the top of the medicament mixing device 9, the bottom end of the medicament feeding box 10 is communicated with the medicament mixing device 9 through a medicament feeding pipe 11, a material shifting mechanism 1101 is arranged in the medicament feeding pipe 11, the medicament that holds in the dosing tank 10 is prepared through the carbonization by agricultural straw class discarded object, and agricultural straw class discarded object includes organic plant fiber straws class, rhizome class and broad-leaved class, melon and fruit class, flower and wadding class, and the bin outlet has been seted up to 9 side lower parts of medicament mixing arrangement, and bin outlet department is equipped with row material pipe 903, installs control flap on row material pipe 903, for the ease of discharging, the bottom slope sets up in the medicament mixing arrangement 9.
As shown in fig. 5, a plurality of first material guiding plates 901 and a plurality of second material guiding plates 902 are respectively disposed on the side walls of the two opposite sides in the drug mixing device 9 from top to bottom, the first material guiding plates 901 and the second material guiding plates 902 are both disposed obliquely downward, the first material guiding plates 901 and the second material guiding plates 902 are disposed in a staggered manner, and the bottom ends of the first material guiding plates 901 and the second material guiding plates 902 are respectively provided with the vibrators 12. Through the arrangement, under the cooperation of the first guide plate 901 and the second guide plate 902, an S-shaped flow channel is formed in the medicine mixing device 9, the soil after crushing and heat treatment enters the medicine adding box 10, and the soil and the medicine added by the medicine adding box 10 can be fully mixed when passing through the S-shaped flow channel, so that the final soil remediation effect is ensured, and an additional power stirring device is not needed in the whole mixing process, so that the energy is saved, and the cost is saved; by installing the vibrator 12, soil can smoothly slide downwards, and soil accumulation at a dead angle position of a space is avoided.
As shown in fig. 6, the material pushing mechanism 1101 includes a rotating shaft 1102, a material pushing plate 1103 and a first driving motor, the rotating shaft 1102 is transversely rotatably installed inside the dosing pipe 11, one end of the rotating shaft 1102 is connected to the first driving motor located outside the dosing pipe 11, a plurality of material pushing plates 1103 are installed on the outer side of the rotating shaft 1102 along the circumferential direction, and the outer side of the material pushing plate 1103 can contact with the inner side wall of the dosing pipe 11. During operation, the driving motor drives the rotating shaft 1102 to rotate, and then drives the material stirring plate 1103 on the rotating shaft 1102 to rotate, so that the medicines in the medicine adding box 10 are uniformly stirred into the medicine mixing device 9, and the uniform adding of the medicines is ensured.
As shown in fig. 2, the crushing mechanism includes a plurality of crushing rollers 301 and a second driving motor cooperating therewith, and the plurality of crushing rollers 301 are installed inside the soil crushing device 3 side by side. Drive through second driving motor and smash roller 301 and rotate, can smash into the graininess with soil, guaranteed the subsequent processing effect to soil, when in actual use, can set up two adjacent crushing roller 301's rotation direction is reverse to promote the crushing effect to soil.
The first storage hopper 4 is obliquely arranged away from the side wall of the first material conveying body 5, the vibrator 12 is installed on the outer side of the first storage hopper 4, the first material conveying body 5 is vertically arranged, a feeding port at the lower part of the side wall of the first material conveying body 5 is communicated with the inside of the first storage hopper 4, a discharging pipe 505 which is obliquely arranged is communicated with a discharging port at the upper part of the side part of the first material conveying body 5, and the discharging pipe 505 extends into the heat treatment device 6. Through setting up the structure to first storage hopper 4 to installation vibrator 12 prevents that soil from taking place to harden in the first storage hopper 4, and soil can enter into smoothly to get into to first defeated material body 5 by the feed inlet, and carry perpendicularly upwards, and get into to heat treatment device 6 inside by discharging pipe 505 and carry out processing on next step.
The second storage hopper 7 is of an inverted cone structure, the second material conveying body 8 is obliquely arranged, a feeding hole in the lower portion of the side wall of the second material conveying body 8 is communicated with the second storage hopper 7, and a discharging hole in the upper portion of the side wall of the second material conveying body 8 is communicated with the medicament mixing device 9. Through the arrangement, soil in the second storage hopper 7 is gathered to the bottom under the action of self gravity and then is conveyed to the interior of the medicament mixing device 9 through the second material conveying body 8.
As shown in fig. 3, the first material conveying body 5 and the second material conveying body 8 have the same internal structure, the first material conveying body 5 includes a cylinder 501, a central shaft 502 and a helical blade 503, the central shaft 502 is installed at the central axis of the cylinder 501, the bottom of the central shaft 502 is rotatably disposed at the bottom of the cylinder 501, the top of the central shaft 502 is connected to a third driving motor 504 at the top of the cylinder 501, and the helical blade 503 is disposed outside the central shaft 502. When the device is used, the central shaft 502 is driven to rotate by the third driving motor 504, so that the helical blade 503 is driven to rotate, and soil is driven to be lifted upwards from the feeding hole of the material conveying body to the discharging hole of the material conveying body.
As shown in fig. 4, a partition plate 601 is transversely disposed inside the heat treatment device 6, the partition plate 601 divides the inside of the heat treatment device 6 into a heat treatment chamber 603 and a cooling chamber 605, a spiral stirrer 604 is disposed inside the heat treatment chamber 603, a hot air pipe is disposed on an inner sidewall of the heat treatment chamber 603, a discharge port 602 is disposed on the partition plate 601, a plurality of third material guide plates 606 and fourth material guide plates 607 which are alternately disposed are respectively disposed on inner sidewalls of opposite sides inside the cooling chamber 605, the third material guide plates 606 and the fourth material guide plates 607 are obliquely disposed downward, and the heat treatment chamber 603 and the cooling chamber 605 are respectively communicated with an exhaust fan 609 disposed at a top end of the heat treatment device 6 through an exhaust pipe 608. Gas with catalytic effect and hot air are added into the heat treatment chamber 603 through a hot air pipe, and the soil is stirred under the action of the spiral stirrer 604, so that organic pollutants in the soil can be effectively removed; the soil after heat treatment falls from a feed opening 602 on the partition plate 601 and enters the cooling chamber 605, and under the action of the third material guide plate 606 and the fourth material guide plate 607, the retention time of the soil in the cooling chamber 605 is prolonged, and the soil is effectively cooled; the gas carrying contaminants in the heat treatment chamber 603 and the cooling chamber 605 can be pumped out in time by the exhaust fan 609. In actual use, the top end of the partition plate 601 is of an inclined structure, so that soil in the heat treatment chamber 603 can be conveniently guided to the feed opening 602, and a cold air pipe is arranged on the inner side wall of the cooling chamber 605.
Wherein, the air outlet of the exhaust fan 609 is connected with the exhaust gas treatment device 610 through a pipeline. The exhaust fan 609 extracts the gas carrying the pollutants in the heat treatment chamber 603 and the cooling chamber 605 into the exhaust gas treatment device 610 for filtration treatment, and then discharges the gas, thereby avoiding pollution to the external environment.
In the invention, the soil crushing device 3, the heat treatment device 6 and the medicament mixing device 9 are integrated in a shell, the device can be conveniently transferred and transported, the soil to be treated is crushed into granules by the soil crushing device 3, the subsequent treatment effect on the soil is ensured, the crushed soil enters the first storage hopper 4 and is conveyed into the heat treatment device 6 from the bottom to the top by the first material conveying body 5, the soil is subjected to full thermal catalysis treatment in the heat treatment device 6, organic pollutants in the soil are effectively removed, the soil after thermal catalysis treatment enters the second storage hopper 7, the soil and the medicament added by the medicament adding box 10 are fully mixed in the medicament mixing device 9 from bottom to top by the second medicament conveying body 8, so that the final soil remediation effect is ensured; the device structural design is reasonable, has excellent soil remediation effect, and the treatment effeciency is high moreover, and application scope is wide.
The present invention has been described in terms of specific examples, which are provided to aid in understanding the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (9)
1. A soil remediation system is characterized by comprising a box body, wherein a soil crushing device, a heat treatment device and a medicament mixing device are arranged in the box body, a feeding hopper is arranged at the top end of the soil crushing device in a communicated manner, the top end of the feeding hopper extends out of the box body, a crushing mechanism is arranged in the soil crushing device, a first storage hopper is arranged under the soil crushing device in a communicated manner, the first storage hopper is communicated with the heat treatment device through a first material conveying body, a second storage hopper is arranged under the heat treatment device in a communicated manner, the second storage hopper is communicated with the upper part of the medicament mixing device through a second material conveying body, a medicament feeding box is arranged at the top of the medicament mixing device, the bottom end of the medicament feeding box is communicated with the medicament mixing device through a medicament feeding pipe, a material stirring mechanism is arranged in the medicament feeding pipe, and medicaments contained in the medicament feeding box are prepared by carbonizing agricultural straw waste, the medicament mixing arrangement side lower part has seted up the bin outlet, bin outlet department is equipped with the row material pipe, install control valve on the row material pipe.
2. The soil remediation system of claim 1, wherein the side walls of the drug mixing device on opposite sides are respectively provided with a plurality of first material guiding plates and a plurality of second material guiding plates from top to bottom, the first material guiding plates and the second material guiding plates are both arranged obliquely downwards, the first material guiding plates and the second material guiding plates are arranged in a staggered manner, and the bottom ends of the first material guiding plates and the second material guiding plates are respectively provided with a vibrator.
3. The soil remediation system of claim 1 or 2, wherein the material stirring mechanism comprises a rotating shaft, a material stirring plate and a first driving motor, the rotating shaft is transversely rotatably installed inside the medicine feeding pipe, one end of the rotating shaft is connected with the first driving motor located outside the medicine feeding pipe, a plurality of material stirring plates which are distributed at equal intervals are installed outside the rotating shaft along the circumferential direction, and the outer sides of the material stirring plates can be in contact with the inner side wall of the medicine feeding pipe.
4. The soil remediation system of claim 1 wherein said crushing mechanism includes a plurality of crushing rollers mounted side by side within said soil crushing device and a second drive motor associated therewith.
5. The soil remediation system of claim 1 wherein the first storage hopper is disposed away from the side wall of the first material conveying body in an inclined manner, a vibrator is mounted on the outer side of the first storage hopper, the first material conveying body is disposed vertically, a feed port at the lower part of the side wall of the first material conveying body is communicated with the inside of the first storage hopper, a discharge pipe at the upper part of the side part of the first material conveying body is communicated with the discharge port, and the discharge pipe extends into the heat treatment device.
6. The soil remediation system of claim 1 wherein said second storage hopper is of an inverted conical configuration, said second conveyor is inclined, said feed inlet at the lower portion of the side wall of said second conveyor is in communication with said second storage hopper, and said feed outlet at the upper portion of the side wall of said second conveyor is in communication with said chemical mixing apparatus.
7. The soil remediation system of claim 1 wherein said first material delivery body and said second material delivery body are identical in internal structure, said first material delivery body comprises a cylinder, a central shaft and a helical blade, said central shaft is mounted at a central axis of said cylinder, said central shaft is rotatably mounted at a bottom of said cylinder, said central shaft is connected at a top thereof to a third driving motor at a top end of said cylinder, and said helical blade is mounted outside of said central shaft.
8. The soil remediation system of claim 1, wherein a transversely arranged partition plate is arranged inside the heat treatment device, the partition plate divides the inside of the heat treatment device into a heat treatment chamber and a cooling chamber, a spiral stirrer is arranged inside the heat treatment chamber, a hot air pipe is arranged on the inner side wall of the heat treatment chamber, a discharge opening is formed in the partition plate, a plurality of third material guide plates and fourth material guide plates which are arranged in a staggered mode are respectively arranged on the inner side walls of the two opposite sides inside the cooling chamber, the third material guide plates and the fourth material guide plates are arranged obliquely downwards, and the heat treatment chamber and the cooling chamber are respectively communicated with an exhaust fan positioned at the top end of the heat treatment device through an exhaust pipe.
9. The soil remediation system of claim 8 wherein the exhaust fan is connected to the exhaust treatment device at an air outlet via a conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417636.2A CN114029328A (en) | 2021-11-25 | 2021-11-25 | Soil remediation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
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| CN114798709A (en) * | 2022-05-20 | 2022-07-29 | 河南省燎原勘测规划设计有限公司 | Ecological restoration equipment for mine wasteland |
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