CN212884132U - Automatic contaminated soil remediation device - Google Patents
Automatic contaminated soil remediation device Download PDFInfo
- Publication number
- CN212884132U CN212884132U CN202021543857.5U CN202021543857U CN212884132U CN 212884132 U CN212884132 U CN 212884132U CN 202021543857 U CN202021543857 U CN 202021543857U CN 212884132 U CN212884132 U CN 212884132U
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- shell
- water pipe
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- contaminated soil
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- 239000002689 soil Substances 0.000 title claims abstract description 56
- 238000005067 remediation Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract 2
- 239000003814 drug Substances 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 14
- 238000012216 screening Methods 0.000 description 10
- 239000007921 spray Substances 0.000 description 10
- 238000005507 spraying Methods 0.000 description 9
- 239000002585 base Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000008439 repair process Effects 0.000 description 4
- 239000003802 soil pollutant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 231100001240 inorganic pollutant Toxicity 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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- Processing Of Solid Wastes (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a pollute automatic prosthetic devices of soil belongs to the environmental protection technology field, including base and first shell, the upper end welding of base is provided with first shell, and the inside top supporting connection of first shell has annular water pipe, and the supporting water service pipe that is provided with of one end of annular water pipe, the one end sealing connection of water service pipe have the water pump, and inside one side of first shell is rotated and is connected with the puddler, and the one end supporting connection of puddler has driving motor. The utility model discloses in, when mixing the stirring restoration to the soil that has sprayed, rotate through the driving motor circular telegram, make driving motor drive the puddler of one end coupling department and rotate, and two puddler one end couplings department carry out the transmission through the transmission band simultaneously and connect, make two puddlers can be the while mix the stirring.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, specifically be an automatic prosthetic devices of contaminated soil.
Background
Soil pollutants can be broadly classified into two broad categories, inorganic pollutants and organic pollutants. The inorganic pollutants mainly comprise acid, alkali, heavy metal, salts, compounds of radioactive elements cesium and strontium, compounds containing arsenic, selenium and fluorine, and the like. The organic pollutants mainly comprise organic pesticides, phenols, cyanides, petroleum, synthetic detergents, benzopyrene, harmful microorganisms brought by municipal sewage, sludge and animal manure, and the like. When the soil contains excessive harmful substances and exceeds the self-cleaning capacity of the soil, the composition, the structure and the function of the soil are changed, the microbial activity is inhibited, the harmful substances or decomposition products thereof are gradually accumulated in the soil and are indirectly absorbed by the human body through the soil → plants → the human body, so that the degree of harming the human health is reached, namely the soil pollution, and the substances which hinder the normal function of the soil and reduce the yield and the quality of crops and indirectly influence the human health through grains, vegetables, fruits and the like are called soil pollutants.
But current automatic prosthetic devices of soil structure is comparatively complicated, mixes the stirring effect good inadequately, and sprays the effect good inadequately, can not spray the restoration agent to soil in many positions when spraying and restore, and often have great clod and be difficult to by the screening bits of broken glass when screening, make restoration effect greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: mix the stirring effect not good enough in order to solve current automatic prosthetic devices of soil, and can not spray the repairing agent to soil in many position when spraying and restore, and often have great clod to be difficult to by the screening garrulous problem that makes repairing effect greatly reduced when screening, provide an automatic prosthetic devices of contaminated soil.
The utility model adopts the technical scheme as follows: an automatic polluted soil remediation device comprises a base and a first shell, wherein the upper end of the base is welded with the first shell, an annular water pipe is connected to the upper portion inside the first shell in a matched mode, a water through pipe is arranged at one end of the annular water pipe in a matched mode, a water pump is connected to one end of the water through pipe in a sealed mode, a stirring rod is rotatably connected to one side inside the first shell, a driving motor is connected to one end of the stirring rod in a matched mode, a shaft helical blade is rotatably connected to a shaft joint portion below the inside of the first shell, and a wear-resisting plate is closely attached to the bottom of the inside of the first shell;
the upper end welding of first shell is provided with the second shell, the inside one side welding of second shell is provided with the rubbing crusher, there is vibrating screen in the below of rubbing crusher through pivot swing joint, one side swing joint of vibrating screen has the buffer layer, the inside fixedly connected with vibrating motor of buffer layer, the open-top portion welding of second shell is provided with the pan feeding mouth, the upper end opposite side welding of base is provided with the medicament mixing box.
The stirring rods are two in number, the stirring blades of the two stirring rods are arranged in a staggered mode, and the shaft joints of one ends of the two stirring rods are in transmission connection with the shaft spiral blades through transmission belts.
The surface of the annular water pipe is provided with a plurality of inclined vertical type spray heads, and the inclined vertical type spray heads and the bottom of the annular water pipe form an included angle of 45 degrees.
Wherein, the one end of vibration screen cloth is provided with the baffle, and fixedly connected with spring between the baffle below and the vibrating motor of vibration screen cloth one end.
Wherein, the bottom of one end of water service pipe is located the inside below of medicament mixing box.
The vibrating screen is characterized in that a vibrating motor is arranged inside the vibrating screen in a matched mode, and the water pump is electrically connected with the driving motor, the vibrating motor and the pulverizer through a control switch and an external power supply.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, when mixing the stirring when restoreing in the soil that has sprayed, rotate through the driving motor circular telegram, make driving motor drive the puddler of one end coupling department and rotate, and two puddler one end couplings department carry out the transmission through the transmission band simultaneously and connect, make two puddlers can be simultaneous mix the stirring, make its effect better, after mixing the completion, the below has also belonging to synchronous the rotation between spiral blade and the puddler, thereby rotate and discharge the soil that will restore from one end opening part, thereby solved current soil automatic repair device structure comparatively complicacy, mix the not good enough problem of stirring effect.
2. The utility model discloses in, when watering restoration to the soil that has smashed into the graininess, through the water pump circular telegram, extract the mixed form liquid of medicament and water in the medicament mixing box, then carry the restorative to annular water pipe department through the water service pipe, then be 45 degrees through the bottom of a plurality of oblique vertical shower nozzle and annular water pipe, spray the liquid of atomizing form in the position of following the difference, then restore soil, and because the annular water pipe middle part is the opening setting, can not influence the efficiency that soil dropped from the top when spraying, thereby it is not enough good to have solved current soil automatic repair device spray effect, can not spray the restorative to soil in many positions when spraying and carry out prosthetic problem.
3. The utility model discloses in, when getting rid of soil pollutant, switch on through setting up at the inside vibrating motor of buffer layer, make it take place the vibration, at this moment through the emergence vibration that vibrating motor does not stop, baffle department through the spring with the vibration frequency transmission to vibrating screen one end, make vibrating screen carry out the vibration of high frequency, carry out vibration screening with the clod on vibrating screen surface, and sieve less clod to the below simultaneously, thereby it is comparatively complicated to have solved current automatic prosthetic devices structure of soil, often have great clod to be difficult to by the screening bits of broken glass when sieving, make repair effect greatly reduced's problem.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of a second housing according to the present invention;
fig. 3 is a schematic diagram of the middle ring-shaped water pipe structure of the present invention.
The labels in the figure are: 1. a base; 2. a first housing; 201. an annular water pipe; 2011. a water pipe; 2012. a water pump; 202. a stirring rod; 2021. a drive motor; 203. a shaft helical blade; 204. a wear plate; 3. a second housing; 301. a pulverizer; 302. vibrating a screen; 303. a buffer layer; 304. a vibration motor; 305. a feeding port; 4. a medicament mixing box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The water pump 2012, the driving motor 2021, the vibration motor 304 and the pulverizer 301 mentioned in the utility model can be ordered in the market or private.
The utility model discloses in:
referring to fig. 1-3, an automatic contaminated soil remediation device comprises a base 1 and a first shell 2, wherein the first shell 2 is welded to the upper end of the base 1, an annular water pipe 201 is connected to the upper portion inside the first shell 2 in a matched manner, a water pipe 2011 is arranged at one end of the annular water pipe 201 in a matched manner, a water pump 2012 is connected to one end of the water pipe 2011 in a sealed manner, a stirring rod 202 is rotatably connected to one side inside the first shell 2, a driving motor 2021 is connected to one end of the stirring rod 202 in a matched manner, a shaft helical blade 203 is rotatably connected to a shaft joint below the inside of the first shell 2, and a wear-resisting plate 204 is tightly attached to the bottom inside the first shell;
the welding of the upper end of first shell 2 is provided with second shell 3, and the welding of inside one side of second shell 3 is provided with rubbing crusher 301, and there is vibrating screen 302 rubbing crusher 301's below through pivot swing joint, and one side swing joint of vibrating screen 302 has buffer layer 303, the inside fixedly connected with vibrating motor 304 of buffer layer 303, and the welding of the top opening part of second shell 3 is provided with pan feeding mouth 305, and the welding of the upper end opposite side of base 1 is provided with medicament mixing box 4.
Referring to fig. 1, further, the number of the stirring rods 202 is two, the stirring blades of the two stirring rods 202 are arranged in a staggered manner, the shaft joints at one ends of the two stirring rods 202 are in transmission connection with the shaft-provided spiral blades 203 through a transmission belt, when the sprayed soil is mixed, stirred and repaired, the driving motor 2021 is powered on to rotate, the driving motor 2021 drives the stirring rods 202 at the shaft joints at one end to rotate, and the shaft joints at one ends of the two stirring rods 202 are in transmission connection through the transmission belt, so that the two stirring rods 202 can simultaneously perform mixing and stirring, the effect is better, after the mixing is completed, the shaft-provided spiral blades 203 and the stirring rods 202 at the lower part also synchronously rotate, and the repaired soil is discharged from the opening at one end through the rotation, thereby solving the problem that the existing automatic soil repairing device is complex in structure, the mixing and stirring effect is not good enough.
Referring to fig. 1 and 3, further, a plurality of inclined nozzles are arranged on the surface of the annular water pipe 201, and form an included angle of 45 degrees with the bottom of the annular water pipe 201, when the soil which is crushed into particles is watered and restored, the water pump 2012 is electrified to extract the mixed liquid of the medicament and the water in the medicament mixing box 4, then the repairing agent is conveyed to the annular water pipe 201 through the water pipe 2011, atomized liquid is sprayed from different directions through a plurality of inclined spray heads at an angle of 45 degrees with the bottom of the annular water pipe 201, then the soil is repaired, and the middle part of the annular water pipe 201 is arranged in an opening, the efficiency of the soil falling from the upper part cannot be influenced when the automatic soil repairing device is used for spraying, thereby solving the problems that the existing automatic soil repairing device has poor spraying effect, the soil can not be repaired by spraying the repairing agent in many directions during spraying.
Refer to fig. 1, 2, it is further, the one end of vibratory screen 302 is provided with the baffle, and fixedly connected with spring between the baffle below of vibratory screen 302 one end and the vibrating motor 304, when getting rid of soil pollutant, switch on through setting up at the inside vibrating motor 304 of buffer layer 303, make it take place to vibrate, at this moment, through the vibration that takes place that vibrating motor 304 does not stop, pass through the spring with the baffle department of vibration frequency transmission to vibratory screen 302 one end, make vibratory screen 302 carry out the vibration of high frequency, carry out vibratory screening with the clod on vibratory screen 302 surface, and sieve less clod to the below simultaneously, thereby it is comparatively complicated to have solved current soil automatic repair device structure, often have great clod to be difficult to by the screening when sieving, make repairing effect greatly reduced's problem.
Referring to fig. 1 and 3, a bottom portion of one end of the water pipe 2011 is located below the inside of the chemical mixing box 4, and the mixed liquid in the chemical mixing box 4 can be efficiently extracted through the water pipe 2011.
Referring to fig. 1 and 2, further, a vibrating motor is arranged inside the vibrating screen 302 in a matching manner, and the water pump 2012 and the driving motor 2021, the vibrating motor 304 and the pulverizer 301 are electrically connected with an external power supply through a control switch, the vibrating motor is arranged inside the vibrating screen 302 in a matching manner, and the water pump 2012 and the driving motor 2021, the vibrating motor 304 and the pulverizer 301 are electrically connected with the external power supply, so that soil can be effectively crushed, the soil can be subjected to vibrating screening, then pollutants are removed, and the soil is repaired.
The working principle is as follows: firstly, when soil is repaired, soil is poured from a material inlet 305, then is electrified and rotated through a crusher 301, the soil is ground into particles, then is electrified through a vibration motor 304 arranged in a buffer layer 303 to vibrate, at the moment, vibration frequency is continuously transmitted to a baffle plate at one end of a vibration screen 302 through the vibration motor 304, the vibration screen 302 vibrates at high frequency, soil blocks on the surface of the vibration screen 302 are subjected to vibration screening, smaller soil blocks are screened to the lower part, next, when the soil which is crushed into particles is watered and repaired, a water pump 2012 is electrified to extract mixed liquid of medicament and water in a medicament mixing box 4, then the repairing agent is conveyed to the annular water pipe 201 through a water pipe 2011, then the bottom of the annular water pipe 201 is 45 degrees through a plurality of inclined vertical nozzles, spray the liquid of atomizing form from the position of difference, then restore soil, and because annular water pipe 201 middle part is the opening setting, can not influence the efficiency that soil dropped from the top when spraying, finally, when mixing the stirring to the soil that has sprayed and restoreing, rotate through driving motor 2021 circular telegram, make driving motor 2021 drive the puddler 202 of one end coupling department and rotate, and two puddler 202 one end couplings department carry out the transmission through the transmission band simultaneously and connect, make two puddlers 202 can be simultaneously mix the stirring, make its effect better, after mixing, also belong to synchronous rotation between the axle spiral blade 203 of below and the puddler 202, thereby rotate and discharge the soil that restores from the one end opening part.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a pollute automatic prosthetic devices of soil, includes base (1) and first shell (2), the upper end welding of base (1) is provided with first shell (2), its characterized in that: an annular water pipe (201) is connected to the upper portion of the inside of the first shell (2) in a matched mode, a water pipe (2011) is arranged at one end of the annular water pipe (201) in a matched mode, a water pump (2012) is connected to one end of the water pipe (2011) in a sealing mode, a stirring rod (202) is connected to one side of the inside of the first shell (2) in a rotating mode, a driving motor (2021) is connected to one end of the stirring rod (202) in a matched mode, a shaft helical blade (203) is connected to the lower portion of the inside of the first shell (2) in a rotating mode, and an abrasion-resistant plate (204) is arranged at the bottom of the inside of;
the upper end welding of first shell (2) is provided with second shell (3), the inside one side welding of second shell (3) is provided with rubbing crusher (301), there is vibrating screen (302) below of rubbing crusher (301) through pivot swing joint, one side swing joint of vibrating screen (302) has buffer layer (303), the inside fixedly connected with vibrating motor (304) of buffer layer (303), the welding of the top opening part of second shell (3) is provided with pan feeding mouth (305), the welding of the upper end opposite side of base (1) is provided with medicament mixing box (4).
2. The automatic contaminated soil remediation device of claim 1 further comprising: the quantity of puddler (202) is two, and crisscross the setting each other between the stirring vane of two puddlers (202), and the coupling department of two puddlers (202) one end with have and carry out the transmission through the transmission band between helical blade (203) and be connected.
3. The automatic contaminated soil remediation device of claim 1 further comprising: the surface of annular water pipe (201) is provided with a plurality of oblique vertical shower nozzle, and the bottom of a plurality of oblique vertical shower nozzle and annular water pipe (201) constitutes 45 degrees contained angles.
4. The automatic contaminated soil remediation device of claim 1 further comprising: one end of the vibrating screen (302) is provided with a baffle, and a spring is fixedly connected between the lower part of the baffle at one end of the vibrating screen (302) and the vibrating motor (304).
5. The automatic contaminated soil remediation device of claim 1 further comprising: the bottom of one end of the water pipe (2011) is positioned below the inner part of the medicament mixing box (4).
6. The automatic contaminated soil remediation device of claim 1 further comprising: the vibrating screen (302) is internally provided with a vibrating motor in a matching manner, and the water pump (2012) is electrically connected with the driving motor (2021), the vibrating motor (304) and the pulverizer (301) through a control switch and an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543857.5U CN212884132U (en) | 2020-07-30 | 2020-07-30 | Automatic contaminated soil remediation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021543857.5U CN212884132U (en) | 2020-07-30 | 2020-07-30 | Automatic contaminated soil remediation device |
Publications (1)
| Publication Number | Publication Date |
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| CN212884132U true CN212884132U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021543857.5U Expired - Fee Related CN212884132U (en) | 2020-07-30 | 2020-07-30 | Automatic contaminated soil remediation device |
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| CN (1) | CN212884132U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275235A (en) * | 2021-05-25 | 2021-08-20 | 南京金乾盛建设工程有限公司 | Leaching treatment system for soil pollution treatment and arrangement method thereof |
| CN114101312A (en) * | 2021-11-18 | 2022-03-01 | 武汉君信环保有限责任公司 | Layered treatment method for heavy metal contaminated soil |
| CN114887739A (en) * | 2022-04-17 | 2022-08-12 | 广州市保源园林工程有限公司 | Municipal garden afforestation of easily clearing up uses soil prosthetic devices |
-
2020
- 2020-07-30 CN CN202021543857.5U patent/CN212884132U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275235A (en) * | 2021-05-25 | 2021-08-20 | 南京金乾盛建设工程有限公司 | Leaching treatment system for soil pollution treatment and arrangement method thereof |
| CN114101312A (en) * | 2021-11-18 | 2022-03-01 | 武汉君信环保有限责任公司 | Layered treatment method for heavy metal contaminated soil |
| CN114101312B (en) * | 2021-11-18 | 2023-03-14 | 武汉君信环保有限责任公司 | Layered treatment method for heavy metal contaminated soil |
| CN114887739A (en) * | 2022-04-17 | 2022-08-12 | 广州市保源园林工程有限公司 | Municipal garden afforestation of easily clearing up uses soil prosthetic devices |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |