CN207401902U - A kind of device for restoration of soil polluted by heavy metal - Google Patents
A kind of device for restoration of soil polluted by heavy metal Download PDFInfo
- Publication number
- CN207401902U CN207401902U CN201721244591.2U CN201721244591U CN207401902U CN 207401902 U CN207401902 U CN 207401902U CN 201721244591 U CN201721244591 U CN 201721244591U CN 207401902 U CN207401902 U CN 207401902U
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- earthworm
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- soil
- cross bar
- spray
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- 239000002689 soil Substances 0.000 title claims abstract description 95
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 30
- 241000361919 Metaphire sieboldi Species 0.000 claims abstract description 71
- 239000007921 spray Substances 0.000 claims description 43
- 239000010410 layer Substances 0.000 claims description 17
- 239000002344 surface layer Substances 0.000 claims description 7
- 239000013043 chemical agent Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 12
- 231100000719 pollutant Toxicity 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 241001465754 Metazoa Species 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 230000008439 repair process Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000005067 remediation Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 241001233061 earthworms Species 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a kind of devices for restoration of soil polluted by heavy metal, including being used to hold contaminated soil and open-topped container, it is equipped in the container for driveing the earthworm in soil to the electric device for driving away of upper soll layer, the top of the container is sequentially equipped with the delivery device for launching earthworm into the container and is driven for collecting to the collection device of the earthworm of upper soll layer from top to bottom.The utility model is by setting delivery device, electric device for driving away, collection device, not only realize the efficient reparation of contaminated soil, the earthworm that saturation is also adsorbed with to plurality of heavy metal pollutant is stripped out from contaminated soil, the removal of Heavy Metals in Contaminated Soils pollutant is thoroughly realized by more turn operations, significantly improves repairing effect.
Description
Technical field
The utility model is related to environmental technology field more particularly to a kind of devices for restoration of soil polluted by heavy metal.
Background technology
The reparation of heavy-metal contaminated soil is a global problem, while is also a more urgent job.It is existing
The present frequently with recovery technique have physical chemistry reparation and biological prosthetic；Wherein, physical chemistry reparation includes electric repairing technique
It is biological prosthetic including animal reparation technology and phytoremediation technology with Soil leaching technology.
Electric repairing technique is plus low-voltage direct electric field, under the action of low intensity direct current, production in contaminated soil
The effects that raw electromigration, electrodialysis, electrophoresis, the pollutant and soil for making soil particle surface layer occur desorption, make its orientation
Migration, in transition process, pollutant is degraded or removed.Soil leaching technology, especially chemical leaching refer to pollute
Soil is excavated, and soil, removal pollutant are cleaned with water or liquid medicine, then to cleaning waste water or waste liquid containing pollutant
It is handled, clean soil can backfill or transport to other place reuses.Animals and plants, which repair to refer to utilize to repair animal or repair, to be planted
Object absorbs the various pollutions in contaminated soil so as to which pollutant be removed from contaminated soil.
At present, the innovation and creation on the device using physical chemistry repair mode restoration of soil polluted by heavy metal are more,
Such as：
Application publication number is that the utility model patent document of CN203875109U is disclosed for repairing heavy metal pollution soil
The equipment of earth including tank body, has been bolted cover at the top of tank body, venthole is provided on the cover, is installed on cover
There is stent, spray nozzle and motor are installed on the stent, the spray nozzle is stretched into through cover in tank body, in tank body also
Agitating vane is installed, the agitating vane is connected with motor；Installation is there are two electrode in the tank body, the electrode respectively with
DC power supply connects, and adsorbent chamber is also respectively connected on the electrode, the tank base is provided with discharge port.The utility model
It can realize the separation of heavy metal and soil, and improve soil, improve the efficiency of entire place soil repair.
But the device designed exclusively for animal reparation heavy-metal contaminated soil is less.Therefore, in order to further repair
The effect of double action object restoration of soil polluted by heavy metal, it is necessary to design a kind of reparation exclusively for the design of animal reparation method and pollute
The device of soil.
Utility model content
The utility model provides a kind of device for restoration of soil polluted by heavy metal, which adsorbs saturation a large amount of
The earthworm of heavy metal contaminants is stripped out from contaminated soil, thoroughly realizes going for Heavy Metals in Contaminated Soils pollutant
It removes, significantly improves repairing effect.
A kind of device for restoration of soil polluted by heavy metal is used to hold pollution including rack and below rack
Soil and open-topped container, the interior electricity for being equipped with to drive the earthworm in soil to upper soll layer of the container drive dress
It puts, the top of the container is sequentially equipped with to launch the delivery device of earthworm into the container and for receiving from top to bottom
Collection is driven to the collection device of the earthworm of upper soll layer.
It is found through experiment, when voltage is 3~9V (including 3V and 9V), adult earthworm can be driven, without to childhood earthworm
Earthworm generates reaction；When voltage is 9V~15V (not including 9V and 15V), adult earthworm can be driven, but can be to childhood earthworm
Growth has an impact；And when voltage is less than 3V, drive the effect unobvious of adult earthworm.
Put into the cleaning earthworm in contaminated soil, the heavy metal in adsorbing soil during feeding, as soil is repaiied
The progress of multiple process, carries plurality of heavy metal pollutant in vivo, and reaches peak after adult, Soil of Earthworms of hereafter growing up
The absorbability of middle heavy metal is remarkably decreased.If adult earthworm can be flushed out from soil, and input a batch is new again
Cleaning earthworm, soil is gone out by the batch absorption migration of earthworm, the heavy metal in soil is taken away contaminated soil by final realize
Purpose.Cleaning earthworm refers to the childhood earthworm for not containing heavy metal in vivo.
The voltage of electric device for driving away is controlled between 3~9V, adult earthworm can be driven to upper soll layer (soil table
At 0~1cm of face), then the collection of adult earthworm is carried out by collection device, and pass through delivery device and add new earthworm again,
The persistent loop reparation of soil can be achieved.
Preferably, the top of the delivery device is equipped with the spray dress of the contaminated soil spray chemical agent into container
It puts.Before animal reparation is carried out, first soil is sprayed, is conducive to improve the available state of heavy metal-polluted soil, effectively improves soil
The Metal uptake ability of earthworm in earth, so as to strengthen animal adsorption effect.
Preferably, the container is fixed by rack and spray equipment, delivery device and collection device；The machine
Frame is made of supporting rod and cross bar；
The supporting rod is vertically arranged at container top wall along upper；The cross bar is arranged between adjacent supports bar two-by-two and water
It is flat to set；The cross bar is set for multilayer, and top layer cross bar is connected with spray equipment, and middle level cross bar is connected with delivery device, low layer
Cross bar is connected with collection device.By setting rack that can realize the integration of the utility model device, be conducive to the peace of each component
It is filled with and the production and popularization of the utility model device.
Can be to be fixedly connected or be detachably connected between supporting rod and container, such as：On container top wall edge
The pedestal that upper setting plugs for supporting rod；Supporting rod can be configured as scalability in itself, be conducive to the installation of each component with
And contaminated soil loads.
Further, the spray equipment includes several spray tubes, and the top layer is fixed at the both ends of the spray tube
On cross bar and periphery is equipped with spray port.The spray port can also install spray head at spray port, make spray more towards contaminated soil
To be uniform.
Further, the delivery device includes the filter that can be pivotally supported at around horizontal shaft on the middle level cross bar
Net, for driving the strainer that can produce the strainer around vertical shaft around the driver of the horizontal shaft low-angle vibration
The pallet of underface.
The transverse direction shaft is arranged between two parallel middle level cross bars, can be vibrated with electric filter low-angle, also can be with electric filter
Overturning, makes the earthworm on strainer fall into container.
Further, the mesh of the strainer is 2.5~3.5mm.
In order to ensure the efficient reparation of contaminated soil, the volume of earthworm is unsuitable too small, and width answers 3~3.5mm of ＞；So it sets
The mesh of strainer is put as 2.5~3.5mm, the earthworm that head is less than the mesh diameter can fall to the low-angle vibration of strainer
In pallet, and satisfactory earthworm is then retained on strainer, can be removed undesirable earthworm by Rotary tray, from
And realize the screening of earthworm size.
After pallet after vertical shaft is produced immediately below the strainer, strainer can be turned around horizontal shaft by driver
It is dynamic, so as to which the earthworm on strainer is put into container.The rotation of pallet can both be driven by driving device and be rotated, and can also be turned manually
It is dynamic.
Further, the collection device includes several guide rails that both ends are fixed on bottom cross bar, on guide rail
Pulley, be fixed on pulley to drive the Slip Hook of earthworm and the driver that moves along orbit of guide rail of driving pulley；It is described
The bottom of Slip Hook is stretched into below contaminated soil surface layer at 1~2cm.
Several guide rails between bottom cross bar can be set, and set on every guide rail there are one pulley, pulley lower section fixes one
Slip Hook, so as to ensure that the earthworm in 1~2cm of on soil surface and surface layer is all driven to container one side.Pulley passes through driver
It is driven, and is moved along guiderail track, realize the automatic of earthworm and drive.
Further, the collection device further includes：Collection port and collecting tank；The collection port is opened in and the pulley
On the container side wall of mobile end homonymy, the bottom of collection port is located at below contaminated soil surface layer at 1~2cm；The collecting tank
It is fixed on the side wall of external container, below the collection port.In the existing technology using earthworm remediating heavy metal soil,
After earthworm input contaminated soil and without driveing, more without special automatic collecting device.
Further, the electric device for driving away includes positive/negative plate and the power supply being connected with positive/negative plate, the positive and negative anodes
Plate is respectively arranged on the top of contaminated soil and bottom and is arranged in parallel.
Pole plate positioned at upper vessel portion can not be too close to soil surface, prevent from being pullled by Slip Hook.Positive/negative plate is by more
What wire crossbar was formed, earthworm can easily pass through pole plate when electro photoluminescence is subject to be moved to upper soll layer.It is powered to soil, no
The available state of heavy metal in soil can be only improved, promotes the absorption of earthworm, while earthworm can also be driven under specific voltage
Soil surface is rushed to, so as to the absorption beneficial to earthworm.
Compared with prior art, the utility model has the advantages that：
(1) the utility model will carry plurality of heavy metal by setting delivery device, electric device for driving away, collection device
The earthworm of pollutant is stripped out from contaminated soil, thoroughly realizes the removal of Heavy Metals in Contaminated Soils pollutant, significantly
Improve repairing effect.
(2) the utility model also sets up spray equipment, first passes through chemical spray and improves heavy metal-polluted soil available state, strengthens earthworm
Earthworm adsorption effect realizes the joint of chemical remediation and animal reparation, improves soil remediation effect.
(3) spray equipment, throwing device and collection device are fixed on container by the utility model by setting rack
Side, realizes apparatus integration, production and utilization and extention convenient for device.
Description of the drawings
Fig. 1 is structure diagram of the embodiment 1 for the device of restoration of soil polluted by heavy metal.
Fig. 2 is the left view of Fig. 1 shown devices.
Fig. 3 is view of Fig. 1 shown devices when screening and adding earthworm.
Fig. 4 is the top view of spray equipment plane in Fig. 1 shown devices.
Fig. 5 is the top view of strainer plane in Fig. 1 shown devices.
Fig. 6 is the top view of holding tray surface in Fig. 1 shown devices.
Fig. 7 is the top view of Fig. 1 described device middle guide planes.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Such as Fig. 1, shown in 2, a kind of device for restoration of soil polluted by heavy metal, mainly include container 1, elution device 2,
Delivery device 3, collection device 4 and electric device for driving away 5.
Wherein, the open top of container 1, inside are filled with contaminated soil 6, and the top wall of container 1 is along equipped with supporting rod
7, supporting rod 7 shares four, is respectively perpendicular four corners for being fixed on 1 top wall edge of container.Supporting rod 7 is extension type,
Adjustable height, convenient for the addition of contaminated soil；Pedestal on container top side wall can be set, for plugging supporting rod, make support
It is flexibly connected between bar and container.The bottom of container 1 is provided with several filter openings, for discharging spray liquid, to adjust soil moisture content.
As shown in Fig. 1,2 and 4, elution device 2 is made of spray tube 21 and fluid reservoir, and spray tube 21 passes through pipe with fluid reservoir
Road connects, and pipeline is equipped with compression pump, and fluid reservoir is equipped with chemical spray liquid, and spray liquid is pumped by compression pump and pipeline from fluid reservoir
Enter in spray tube.
For the ease of the installation of spray tube, top layer cross bar 22 is set between adjacent (non-diagonal) supporting rod 7 two-by-two, top layer is horizontal
Bar 22 is arranged in parallel, and passes through supporting rod and be linked in sequence, and surrounds square.The both ends of spray tube 21 are individually fixed in two parallel tops
On layer cross bar, eight spray tubes for being generally aligned in the same plane and being arranged in parallel 21 are fixed between two top layer cross bars altogether.Spray tube 21
Pipe periphery is equipped with eight spray ports, and spray head 23 is equipped on spray port, and spray head 23 is towards contaminated soil.
As shown in Fig. 1,2 and 5,3 strainer 31 of delivery device, driver and pallet 32 form.
For the ease of the installation of strainer 31, middle level cross bar 33 is set two-by-two, and middle level cross bar 33 is parallel to be set between adjacent supports bar
It puts, and passes through supporting rod and be linked in sequence, surround square.Horizontal shaft is equipped between two middle level cross bars 33, strainer 31 is fixed and horizontal stroke
In shaft.Strainer 31 is vibrated by the driving of driver around horizontal shaft low-angle, and is realized and turned over when needing to add earthworm
Turn.
In order to ensure the efficient reparation of contaminated soil, the volume for cleaning earthworm should not be too small, and width answers >=3~3.5mm；Institute
To set the mesh of strainer as 2.5~3.5mm, the earthworm that width is less than the mesh diameter can fall with the low-angle vibration of strainer
It drops down onto in pallet, and satisfactory earthworm is then retained on strainer, can be moved undesirable earthworm by Rotary tray
Go out, so as to fulfill the screening of earthworm size.
As shown in Fig. 1,2 and 6, pallet 32 is located at immediately below strainer 31, will for not meeting of accepting that strainer 31 filters out
The earthworm asked, pallet 32 are connected by connecting rod with supporting rod 7, and are rotated around supporting rod.
After pallet after vertical shaft is produced immediately below the strainer, strainer can be turned around horizontal shaft by driver
It is dynamic, so as to which the earthworm on strainer is put into container.
As shown in Fig. 1,2 and 7, collection device 4 includes guide rail 41, the pulley 42 on guide rail 41, is fixed on pulley 42
On for driveing the driver that the Slip Hook 43 of earthworm and driving pulley 42 are moved along guide rail.
For the ease of the installation of guide rail 41, parallel bottom cross bar 44, bottom cross bar are set between adjacent supports bar two-by-two
44 are arranged in parallel, and pass through supporting rod and be linked in sequence, and surround square.The both ends of guide rail 41 are individually fixed in two parallel cross bars 44
On, ten are fixed between two bottom cross bars 44 altogether and is generally aligned in the same plane and the guide rail 41 parallel with container bottom.On every guide rail
It is respectively and fixedly provided with a pulley 42.The bottom of Slip Hook 43 is stretched into below contaminated soil surface layer at 1cm, for will be moved to soil surface
Earthworm drive to the one side of container.Earthworm repelling device 4 is opened by driver control.
Collection device 4 further includes to collect the device for the earthworm for being moved to container side, including collection port 45 and collects
Slot 46；Wherein, collection port 45 is opened on the container side wall that end homonymy is moved with the pulley, and the bottom of collection port is located at dirt
It contaminates below upper soll layer at 1~2cm.During soil remediation is carried out, collection port 45 is closure state；It is driven when carrying out earthworm
When, collection port 45 is opened.Collecting tank 46 is fixed on the side wall of external container, and below the collection port, wide 5cm is deep
5cm。
As shown in Figure 1, 2, electric device for driving away is mainly made of positive/negative plate 6 and the power supply being connected with positive/negative plate, positive and negative
Pole plate 6 is formed by connecting by more crisscross conducting wires, is respectively placed in away from (anode) at container bottom 10cm and container
Portion is at the 10cm of contaminated soil surface (cathode).Positive/negative plate 6 is connected with power supply, and equipped with electrode switch, can set week
Phase property electrode is converted.
The present embodiment is for the operational process of device of restoration of soil polluted by heavy metal：
First, contaminated soil is added into container, is then turned on spray equipment, carry out the addition of chemical spray liquid；Spray
After, after soil moisture content suitable for after, earthworm to be screened is positioned on strainer, by driver strainer is driven to carry out small
The vibration of amplitude, low-angle makes the smaller earthworm of head in strainer be fallen to by mesh in pallet, after the completion of screening to be filtered,
Rotary tray is left above strainer, takes out undesirable earthworm；It will be turned over again by driver under strainer, make strainer
In satisfactory earthworm fall into the contaminated soil in container and repaired.
After reparation, positive/negative plate is connected, the earthworm in soil is made to be moved through positive plate to soil surface；Meanwhile
Open collection device, pulley moves under the driving of driver along guiderail track, and Slip Hook is moved with pulley, and with soil surface
Earthworm contacts, and earthworm is driven to be moved towards collection port；Finally, earthworm can be dialled in by collection port in collecting tank, so that earthworm
Pollutant in soil is taken away contaminated soil by earthworm.The flow is sustainable to be repeated, and it is clear that new a batch is added constantly into soil
Clean earthworm, and the adult earthworm for being adsorbed with plurality of heavy metal is collected, it is completed until soil remediation works.
Claims (8)
1. a kind of device for restoration of soil polluted by heavy metal is used to hold Polluted Soil including rack and below rack
Earth and open-topped container, it is characterised in that；
It is equipped with to drive the earthworm in soil to the electric device for driving away of upper soll layer, the top of the container in the container
The delivery device for launching earthworm into the container is sequentially equipped with from top to bottom and is driven for collecting to soil table
The collection device of the earthworm of layer.
2. device as described in claim 1, which is characterized in that the top of the delivery device is equipped with the contaminated soil into container
Spray the spray equipment of chemical agent.
3. device as claimed in claim 2, which is characterized in that the container by rack and spray equipment, delivery device and
Collection device is fixed；The rack is made of supporting rod and cross bar；
The supporting rod is vertically arranged at container top wall along upper；The cross bar is arranged between adjacent supports bar two-by-two and level is set
It puts；The cross bar is set for multilayer, and top layer cross bar is connected with spray equipment, and middle level cross bar is connected with delivery device, low layer cross bar
It is connected with collection device.
4. device as claimed in claim 3, which is characterized in that the spray equipment includes several spray tubes, the spray
The both ends of pipe are fixed on the top layer cross bar and periphery is equipped with spray port.
5. device as claimed in claim 3, which is characterized in that the delivery device includes rotationally supporting around horizontal shaft
Strainer on the middle level cross bar, can be around for driving the strainer around the driver of the horizontal shaft low-angle vibration
Vertical shaft produces the pallet immediately below the strainer.
6. device as claimed in claim 3, which is characterized in that the collection device is fixed on including both ends on bottom cross bar
Several guide rails, the pulley on guide rail are fixed on pulley to drive the Slip Hook of earthworm and driving pulley along guide rail
The driver of track movement；The bottom of the Slip Hook is stretched into below contaminated soil surface layer at 1~2cm.
7. device as claimed in claim 6, which is characterized in that the collection device further includes：Collection port and collecting tank；It is described
Collection port is opened on the container side wall that end homonymy is moved with the pulley, and the bottom of collection port is located under contaminated soil surface layer
At 1~2cm of side；The collecting tank is fixed on the side wall of external container, below the collection port.
8. device as described in claim 1, which is characterized in that the electricity device for driving away includes positive/negative plate and and positive/negative plate
The power supply of connection, the positive/negative plate are respectively arranged on the top of contaminated soil and bottom and are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244591.2U CN207401902U (en) | 2017-09-26 | 2017-09-26 | A kind of device for restoration of soil polluted by heavy metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244591.2U CN207401902U (en) | 2017-09-26 | 2017-09-26 | A kind of device for restoration of soil polluted by heavy metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207401902U true CN207401902U (en) | 2018-05-25 |
Family
ID=62406522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721244591.2U Active CN207401902U (en) | 2017-09-26 | 2017-09-26 | A kind of device for restoration of soil polluted by heavy metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207401902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755415A (en) * | 2017-09-26 | 2018-03-06 | 浙江农林大学 | A kind of device and its restorative procedure for restoration of soil polluted by heavy metal |
| CN108672480A (en) * | 2018-08-21 | 2018-10-19 | 崔云华 | A kind of soil restoring device and its restorative procedure |
-
2017
- 2017-09-26 CN CN201721244591.2U patent/CN207401902U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755415A (en) * | 2017-09-26 | 2018-03-06 | 浙江农林大学 | A kind of device and its restorative procedure for restoration of soil polluted by heavy metal |
| CN107755415B (en) * | 2017-09-26 | 2022-07-12 | 浙江农林大学 | Device for repairing heavy metal contaminated soil and repairing method thereof |
| CN108672480A (en) * | 2018-08-21 | 2018-10-19 | 崔云华 | A kind of soil restoring device and its restorative procedure |
| CN108672480B (en) * | 2018-08-21 | 2019-06-21 | 江苏和而同环境建设有限公司 | A kind of soil restoring device and its restorative procedure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310008 No. 599 Zhijiang Road, Shangcheng District, Hangzhou, Zhejiang Co-patentee after: Zhejiang A & F University Patentee after: Cheng Bang ecological environment Limited by Share Ltd Address before: 310008 No. 599 Zhijiang Road, Shangcheng District, Hangzhou, Hangzhou, Zhejiang Co-patentee before: Zhejiang A & F University Patentee before: ZHEJIANG CHENGBANG LANDSCAPE CO., LTD. |
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