CN107926182A - A kind of soil remediation pulvis spills mixing arrangement - Google Patents
A kind of soil remediation pulvis spills mixing arrangement Download PDFInfo
- Publication number
- CN107926182A CN107926182A CN201711438951.7A CN201711438951A CN107926182A CN 107926182 A CN107926182 A CN 107926182A CN 201711438951 A CN201711438951 A CN 201711438951A CN 107926182 A CN107926182 A CN 107926182A
- Authority
- CN
- China
- Prior art keywords
- wheel
- pulvis
- outer groove
- soil remediation
- spills
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 44
- 238000005067 remediation Methods 0.000 title claims abstract description 26
- 239000003337 fertilizer Substances 0.000 claims abstract description 30
- 238000003971 tillage Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000009418 renovation Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
- A01B49/065—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Working Implements (AREA)
Abstract
The present invention relates to a kind of soil remediation pulvis to spill mixing arrangement, belong to agricultural mechanical equipment field, the soil remediation pulvis, which spills mixing arrangement, includes discharge mechanism, rotary tillage mechanism, hanger bracket, support plate, connecting plate, and the present invention realizes the uniform broadcasting for repairing pulvis by chain drive mode;The blanking track of " eight " font can be such that soil remediation pulvis uniformly spreads fertilizer over the fields makes pulvis uniformly be mixed with soil by rotary tillage mechanism again in upper soll layer.The machine realizes rotary tillage soil-working operation and spreads fertilizer over the fields the integrated of mixture operation, reduces manual work, can reduce labour cost, has the characteristics that simple in structure, easy to operate, work efficiency is high.
Description
Technical field
The invention belongs to agricultural mechanical equipment field, specifically, is related to a kind of soil remediation pulvis and spills mixing arrangement.
Background technology
As industrial and agricultural production is fast-developing and urbanization process is constantly accelerated, heavy metal, organophosphor, Polychlorinated biphenyls are polycyclic
The pollutants such as aromatic hydrocarbons are increasingly accumulated or are bioaccumulation in the soil, due to soil pollution have obvious concealment, latency,
The features such as irreversibility, its environmental risk brought is on the rise, and result in catastrophic consequence, the improvement of contaminated soil and
Repair and be not only related to basic farmland protection and the sustainable development of agricultural, but also be public health concerning food hygiene and safety
Indispensable organic component in efficient public security system.Existing spreading fertilizer over the fields mostly using the shape manually spread fertilizer over the fields to renovation agent
Formula, this mode inefficiency, and it is difficult to ensure that the uniformity spread fertilizer over the fields and the mixing with topsoil.Soil remediation pulvis
Spilling the design and development of mixing arrangement reduces the labor intensity of personnel, improves work efficiency, and reduces labour cost, and
And it is advantageously implemented industrialization.Meanwhile it also can guarantee that and uniformly spread fertilizer over the fields soil remediation pulvis in soil surface and and arable layer
Soil uniformly mixes.
The content of the invention
In order to overcome problem present in background technology, mixing dress is spilt the present invention provides a kind of soil remediation pulvis
Put, be continuously finished the spreading fertilizer over the fields of soil remediation pulvis, repaired pulvis and uniformly mixed with soil and the operation such as hack site preparation.
To achieve the above object, the present invention is achieved through the following technical solutions:
The soil remediation pulvis, which spills mixing arrangement, includes discharge mechanism, rotary tillage mechanism, hanger bracket 4, support plate 7, connection
Plate 10, the support plate 7 have two pieces, and the installed in front of two pieces of support plates 7 has hanger bracket 4, the bottom difference of two pieces of support plates 7
One piece of connecting plate 10 is installed, discharge mechanism includes hopper 1, outer groove-wheel fertilizer apparatus 3, discharge track 6, land wheel 8, chain drive structure
9th, hose 14, the rear side of two pieces of connecting plates 10 are provided with land wheel 8, and hopper 1 is installed on the top of support plate 7, the bottom peace of hopper 1
Equipped with shaft 12, the wheel shaft of land wheel 8 is connected with shaft 12 by chain drive structure 9, and outer groove-wheel is uniformly provided with shaft 12
Fertilizer apparatus 3, the lower section of outer groove-wheel fertilizer apparatus 3 are provided with discharge track 6, each outer groove-wheel fertilizer apparatus 3 by a hose 14 with
One discharge track 6 connects, and rotary tillage mechanism is provided with support plate 7.
Further, the rotary tillage mechanism includes gearbox 5, cutter shaft 11, Rotary tillage blade 13, and cutter shaft 11 is installed on two pieces
The bottom of connecting plate 10, Rotary tillage blade 13 is uniformly provided with cutter shaft 11, and gearbox 5 is installed in two pieces of support plates 7, speed change
Case 5 is connected with cutter shaft 11.
Preferably, the discharge track 6 is in " eight " font.
Preferably, 8 surface of land wheel is uniformly provided with pointed tooth 14.
Further, the outer groove-wheel fertilizer apparatus 3 includes outer groove-wheel 15, defertilizing box 16, defertilizing opening 17, the outer groove-wheel
15 front half section is installed in defertilizing box 16, and the front half section size of outer groove-wheel 15 is consistent with 16 inside bore of defertilizing box, outer groove-wheel
Groove 18 is uniformly offered on the surface of 15 front half section, outer groove-wheel 15 is installed in shaft 12, and the bottom of defertilizing box 16 is set
There is defertilizing opening 17, defertilizing opening 17 is connected with hose 14.
Beneficial effects of the present invention:
One-stop operation of the present invention can complete rotary tillage, soil remediation pulvis spills mixing, suppression, smooth and hack multiple working procedure,
Have the characteristics that work efficiency is high.By the discharge Track desigh of the present invention into " eight " font track, be conducive to repair in blanking process
Pulvis is dispersed again.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the front view of the present invention;
Fig. 3 is the right view of the present invention;
Fig. 4 is the structure diagram I of outer groove-wheel fertilizer apparatus.
In figure, 1- hoppers, 2- bracing pieces, 3- outer groove-wheels fertilizer apparatus, 4- hanger brackets, 5- gearboxes, 6- discharges track, 7- branch
Fagging, 8- land wheels, 9- chain drive structures, 10- connecting plates, 11- cutter shafts, 12- shafts, 13- Rotary tillage blades, 14- hoses, outside 15-
Sheave, 16- defertilizing box, 17- defertilizing openings, 18- grooves.
Embodiment
In order to make the purpose of the present invention, technical solution and beneficial effect clearer, below in conjunction with attached drawing, to the present invention
Preferred embodiment be described in detail, to facilitate the technical staff to understand.
As shown in Figs. 1-3, the soil remediation pulvis, which spills mixing arrangement, includes discharge mechanism, rotary tillage mechanism, suspension
Frame 4, support plate 7, connecting plate 10.
The support plate 7 has two pieces, and the installed in front of two pieces of support plates 7 has hanger bracket 4, the bottom of two pieces of support plates 7
One piece of connecting plate 10 is separately installed with, discharge mechanism includes hopper 1, outer groove-wheel fertilizer apparatus 3, discharge track 6, land wheel 8, chain drive
Structure 9, shaft 12, hose 14, the rear side of two pieces of connecting plates 10 are provided with land wheel 8, and hopper 1 is installed on the top of support plate 7, material
The bottom of case 1 is provided with shaft 12, and the wheel shaft of land wheel 8 is connected by chain drive structure 9 with shaft 12, uniformly pacified in shaft 12
Equipped with outer groove-wheel fertilizer apparatus 3, and the top of outer groove-wheel fertilizer apparatus 3 is fixed on the bottom of hopper 1, the lower section peace of outer groove-wheel fertilizer apparatus 3
Equipped with discharge track 6, each outer groove-wheel fertilizer apparatus 3 is connected by a hose 14 with a discharge track 6;It is described such as Fig. 4
Outer groove-wheel fertilizer apparatus 3 includes outer groove-wheel 15, defertilizing box 16, defertilizing opening 17, and the front half section of the outer groove-wheel 15 is installed on fertilizer
In box 16, the front half section size of outer groove-wheel 15 is consistent with 16 inside bore of defertilizing box, on the surface of the front half section of outer groove-wheel 15
Even to offer groove 18, outer groove-wheel 15 is installed in shaft 12, and the bottom of defertilizing box 16 is provided with defertilizing opening 17, defertilizing opening 17 with
Hose 14 connects.It is connected by hanger bracket 4 with tractor, under the traction of tractor, whole device is at the uniform velocity advanced, and postposition
Land wheel 8 under the draw of tractor by dead weight with ground friction and roll, land wheel 8 rolling when, through chain drive structure 9
Drive shaft 12 to rotate, due to being fallen under the soil remediation pulvis in hopper 1 in the groove 18 in 15 front half section of outer groove-wheel, work as shaft
When driving the outer groove-wheel 15 mounted thereto to rotate in 12 rotation processes, groove 18 is by the soil in hopper 1 in 15 front half section of outer groove-wheel
Earth is repaired pulvis and is drained into defertilizing opening 17, is imported into by defertilizing opening 17 by hose 14 in discharge track 6, then by discharge rail
Soil remediation pulvis under 6 row of road, since discharge track 6 is in " eight " font, soil remediation pulvis is equal under the action of discharge track 6
Even spreads fertilizer over the fields on the ground.
Rotary tillage mechanism is installed in the support plate 7, rotary tillage mechanism includes gearbox 5, cutter shaft 11, Rotary tillage blade 13,
Cutter shaft 11 is installed on the bottom of two pieces of connecting plates 10, and Rotary tillage blade 13 is uniformly provided with cutter shaft 11, and gearbox 5 is installed on two
In block support plate 7, the output terminal of gearbox 5 is connected with cutter shaft 11.Meanwhile tractor output power is passed to through Cardan shaft
Middle gearbox 5, middle gearbox 5 does rotary motion with the Rotary tillage blade 13 on movable arbor 11, so that soil be smashed, is revolving
The renovation agent of soil surface is uniformly mixed with soil during the cutting upset soil of coulter piece 13, realizes soil
It is good to repair.Since 8 surface of land wheel is uniformly provided with pointed tooth 14, land wheel 8 completed soil is carried out suppression with again
Hack operation.
The course of work of the present invention:
It is connected by hanger bracket 4 with tractor, under the traction of tractor, whole device is at the uniform velocity advanced, and the land wheel 8 of postposition exists
Under the draw of tractor by dead weight with ground friction and roll, land wheel 8 rolling when, through chain drive structure 9 with turn
The outer groove-wheel 15 of outer groove-wheel fertilizer apparatus 3 on axis 12 rotates, and arranges lower soil remediation pulvis, the soil remediation pulvis under arranging is by soft
Pipe is transported to discharge track 6, and soil remediation pulvis is uniformly spread fertilizer over the fields on the ground under the action of discharge track 6.It is meanwhile dilatory
Machine output power is passed to middle gearbox 5 through Cardan shaft, and revolution cutting fortune is done with the Rotary tillage blade 13 on movable arbor 11
It is dynamic to smash soil, the renovation agent of soil surface is uniformly mixed with soil during cutting overturns soil.
Last land wheel 8 carries out completed soil suppression and hack operation again.
One-stop operation of the present invention can complete rotary tillage, soil remediation pulvis spills mixing, suppression, smooth and hack multiple tracks work
Sequence, has the characteristics that work efficiency is high.By the discharge Track desigh of the present invention into " eight " font track, be conducive in blanking process
Repair the dispersed of pulvis.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (5)
1. a kind of soil remediation pulvis spills mixing arrangement, it is characterised in that:The soil remediation pulvis spills mixing arrangement
Including discharge mechanism, rotary tillage mechanism, hanger bracket(4), support plate(7), connecting plate(10), the support plate(7)There are two pieces, two
Block support plate(7)Installed in front have hanger bracket(4), two pieces of support plates(7)Bottom be separately installed with one piece of connecting plate(10),
Discharge mechanism includes hopper(1), outer groove-wheel fertilizer apparatus(3), discharge track(6), land wheel(8), chain drive structure(9), hose
(14), two pieces of connecting plates(10)Rear side land wheel is installed(8), hopper(1)Installed in support plate(7)Top, hopper(1)'s
Bottom is provided with shaft(12), land wheel(8)Wheel shaft and shaft(12)Pass through chain drive structure(9)Connection, shaft(12)It is upper equal
Even is provided with outer groove-wheel fertilizer apparatus(3), and outer groove-wheel fertilizer apparatus(3)Top is fixed on hopper(1)Bottom, outer groove-wheel fertilizer
Device(3)Lower section discharge track is installed(6), each outer groove-wheel fertilizer apparatus(3)Pass through a hose(14)With a discharge rail
Road(6)Connection, support plate(7)On rotary tillage mechanism is installed.
2. a kind of soil remediation pulvis according to claim 1 spills mixing arrangement, it is characterised in that:The rotary cultivator
Structure includes gearbox(5), cutter shaft(11), Rotary tillage blade(13), cutter shaft(11)Installed in two pieces of connecting plates(10)Bottom, cutter shaft
(11)On Rotary tillage blade is uniformly installed(13), gearbox(5)Installed in two pieces of support plates(7)On, gearbox(5)With cutter shaft
(11)Connection.
3. a kind of soil remediation pulvis according to claim 1 spills mixing arrangement, it is characterised in that:The discharge rail
Road(6)In " eight " font.
4. a kind of soil remediation pulvis according to claim 1 spills mixing arrangement, it is characterised in that:The land wheel
(8)Surface is uniformly provided with pointed tooth(14).
5. a kind of soil remediation pulvis according to claim 1 spills mixing arrangement, it is characterised in that:The outer groove-wheel
Fertilizer apparatus(3)Including outer groove-wheel(15), defertilizing box(16), defertilizing opening(17), the outer groove-wheel(15)Front half section be installed on
Defertilizing box(16)It is interior, outer groove-wheel(15)Front half section size and defertilizing box(16)Internal bore is consistent, outer groove-wheel(15)First half
Groove is uniformly offered on the surface of section(18), outer groove-wheel(15)Installed in shaft(12)On, defertilizing box(16)Bottom set
There is defertilizing opening(17), defertilizing opening(17)With hose(14)Connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711438951.7A CN107926182A (en) | 2017-12-27 | 2017-12-27 | A kind of soil remediation pulvis spills mixing arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711438951.7A CN107926182A (en) | 2017-12-27 | 2017-12-27 | A kind of soil remediation pulvis spills mixing arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107926182A true CN107926182A (en) | 2018-04-20 |
Family
ID=61940353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711438951.7A Pending CN107926182A (en) | 2017-12-27 | 2017-12-27 | A kind of soil remediation pulvis spills mixing arrangement |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107926182A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108817070A (en) * | 2018-06-08 | 2018-11-16 | 苏州洋紫瑞信息科技有限公司 | A kind of hand propelled contaminated soil original position environment protection treating device |
CN113695383A (en) * | 2020-05-23 | 2021-11-26 | 中国环境科学研究院 | Plant restoration device and restoration method for heavy metal pollution of soil |
CN113732048A (en) * | 2021-08-31 | 2021-12-03 | 张蕾 | Uniform scattering method and device for environmental remediation |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09205825A (en) * | 1996-02-07 | 1997-08-12 | Iseki & Co Ltd | Soil disinfecter |
CN104541628A (en) * | 2015-01-07 | 2015-04-29 | 河北省农业机械化研究所有限公司 | Rotary tilling and equi-depth fertilizer spreading and applying machine |
CN104686039A (en) * | 2015-03-12 | 2015-06-10 | 中国农业大学 | Fertilizer sowing apparatus with adjustable fertilizer sowing amount |
CN205584728U (en) * | 2016-04-26 | 2016-09-21 | 贵州省烟草公司毕节市公司 | Device is used simultaneously to organic compound fertilizer |
CN207802697U (en) * | 2017-12-27 | 2018-09-04 | 云南农业大学 | A kind of soil remediation pulvis spills mixing arrangement |
-
2017
- 2017-12-27 CN CN201711438951.7A patent/CN107926182A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09205825A (en) * | 1996-02-07 | 1997-08-12 | Iseki & Co Ltd | Soil disinfecter |
CN104541628A (en) * | 2015-01-07 | 2015-04-29 | 河北省农业机械化研究所有限公司 | Rotary tilling and equi-depth fertilizer spreading and applying machine |
CN104686039A (en) * | 2015-03-12 | 2015-06-10 | 中国农业大学 | Fertilizer sowing apparatus with adjustable fertilizer sowing amount |
CN205584728U (en) * | 2016-04-26 | 2016-09-21 | 贵州省烟草公司毕节市公司 | Device is used simultaneously to organic compound fertilizer |
CN207802697U (en) * | 2017-12-27 | 2018-09-04 | 云南农业大学 | A kind of soil remediation pulvis spills mixing arrangement |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108817070A (en) * | 2018-06-08 | 2018-11-16 | 苏州洋紫瑞信息科技有限公司 | A kind of hand propelled contaminated soil original position environment protection treating device |
CN113695383A (en) * | 2020-05-23 | 2021-11-26 | 中国环境科学研究院 | Plant restoration device and restoration method for heavy metal pollution of soil |
CN113732048A (en) * | 2021-08-31 | 2021-12-03 | 张蕾 | Uniform scattering method and device for environmental remediation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107926182A (en) | A kind of soil remediation pulvis spills mixing arrangement | |
CN205362213U (en) | Soil normal position repair equipment | |
CN206373156U (en) | A kind of broken agitation mixer for dystopy soil remediation | |
CN108080411A (en) | A kind of soil remediation abatement equipment | |
CN203761766U (en) | Land shaper | |
CN107649506A (en) | A kind of soil remediation soil treatment device | |
CN104307854A (en) | A soil layer-exchanging modifying machine and a soil layer-exchanging modifying method | |
CN106376256A (en) | Rotary cultivator with function of removing soil heavy metal | |
CN212285295U (en) | Wide chain type cutting double-shaft stirring uniform-mixing soil remediation device | |
CN207802697U (en) | A kind of soil remediation pulvis spills mixing arrangement | |
CN208437421U (en) | A kind of farming soil remediation processing unit | |
CN206472454U (en) | The magnetic rotary tillage equipment and rotary cultivator repaired for farmland arsenic pollution | |
CN205454428U (en) | Soil flatting machine | |
CN204408866U (en) | Loose soil revolves soil preparation machine | |
CN104396365A (en) | Test stand of vertical rotary tiller for tea garden | |
CN203448132U (en) | Pretreatment device for restoring viscous polluted soil | |
CN106211821A (en) | A kind of reversed stubble cleaner | |
CN211803053U (en) | Soil treatment equipment for environmental remediation | |
CN203912467U (en) | A kind of multifunction rotavator | |
CN104938067A (en) | Paddy and upland dual-use multifunctional ridging machine | |
CN202190550U (en) | Banana cauloid multiprocessing grinder | |
CN205389344U (en) | Ginseng bed surface loosening tiller | |
CN209680040U (en) | A kind of mixing machine administered in situ for solid waste | |
CN2887014Y (en) | A rotary-digging tillage machine having stubble-cleaning device | |
CN203170692U (en) | Contaminated soil rolling and repairing device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |