CN113441542B - Device for developing waste and fixing heavy metal in soil based on coal resources - Google Patents
Device for developing waste and fixing heavy metal in soil based on coal resources Download PDFInfo
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- CN113441542B CN113441542B CN202110727185.6A CN202110727185A CN113441542B CN 113441542 B CN113441542 B CN 113441542B CN 202110727185 A CN202110727185 A CN 202110727185A CN 113441542 B CN113441542 B CN 113441542B
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- kneading
- blanking
- heavy metal
- turning
- mounting
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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
- B09C1/08—Reclamation of contaminated soil chemically
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a device for fixing soil heavy metal based on coal resource development waste, which comprises: the mounting beam is mounted on the vehicle body; the front wheel is rotatably arranged below the mounting beam; the blanking mechanism is coaxially and rotatably arranged on one side of the front wheel and driven by a driving machine, the blanking mechanism at least comprises two circumferentially arranged blanking legs, and one ends of the blanking legs, far away from the array circumferential center, are provided with turning and throwing mechanisms; the kneading and mixing assembly is fixed on the mounting beam and is used for providing a material body for the blanking mechanism; and when the heavy metals in the soil are fixed, the kneading and mixing component is utilized to continuously provide the material bodies for the blanking mechanism, the blanking mechanism is driven by a driving machine to rotate in the same direction as the rotating direction of the front wheel, part of the material bodies fall into the grooves dug by the turning and throwing mechanism, and part of the material bodies fall onto the next turning and throwing mechanism after temporary storage of the blanking legs and are turned and thrown and mixed together with the soil.
Description
Technical Field
The invention relates to the technical field of soil improvement, in particular to a device for fixing soil heavy metal based on coal resource development waste.
Background
With the rapid development of human society, the heavy metal pollution of soil is gradually prominent and becomes an environmental problem which cannot be ignored in the current world, and the heavy metal pollution of soil refers to the phenomenon that the heavy metal content in soil is increased and the ecological environment is deteriorated because of the introduction of the heavy metal into the soil by human activities.
When heavy metal pollution is treated, a physical stripping method is often adopted to directly remove heavy metals from soil; or reducing the content of the heavy metal in an effective state by a chemical means; among them, chemical materials are widely used due to their abundant sources, for example, industrial wastes such as paper mill filter mud, lime, iron tailings, fly ash and the like are used as solidifying materials to reduce the mobility and bioavailability of heavy metals;
at present, a mode of mechanical turning and throwing matched with manual throwing is adopted frequently to deliver heavy metal curing materials to soil, the mode is flexible and reliable, the pertinence is strong, the operation is not convenient enough, extra operators are required to perform corresponding throwing operation, and the heavy metal curing materials based on coal resource development wastes are often large in particle and cannot be in good contact with the soil.
Therefore, it is necessary to provide a device for fixing soil heavy metals based on coal resource development wastes to solve the problems of the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: an apparatus for fixing soil heavy metals based on coal resource development waste, comprising:
the mounting beam is mounted on a vehicle body, and the vehicle body is provided with at least one group of crawler wheels;
the front wheel is rotatably arranged below the mounting beam;
the blanking mechanism is coaxially and rotatably arranged on one side of the front wheel and driven by a driving machine, the blanking mechanism at least comprises two circumferentially arranged blanking legs, and one ends of the blanking legs, far away from the array circumferential center, are provided with turning and throwing mechanisms; and
the kneading and mixing assembly is fixed on the mounting beam and is used for providing a material body for the blanking mechanism;
and when the heavy metals in the soil are fixed, the kneading and mixing component is utilized to continuously provide the material bodies for the blanking mechanism, the blanking mechanism is driven by a driving machine to rotate in the same direction as the rotation direction of the front wheel, part of the material bodies fall into the grooves dug by the turning and throwing mechanism, and part of the material bodies fall onto the next turning and throwing mechanism after temporary storage of the blanking legs and are turned and mixed with the soil.
Further, preferably, the kneading and mixing unit includes:
installing a bin;
the arc plates are symmetrically arranged in two groups and are fixed in the mounting bin by mounting arms, and the middle parts of the arc plates are elastic belts; and
and the kneading mechanism is correspondingly arranged on one side of the arc plate and is used for kneading the elastic belt so as to grind and disperse the material body in the elastic belt.
Preferably, a rubbing belt is connected between the two elastic belts, the rubbing belt is a lattice-shaped elastic body, and hole bodies and rubbing protrusions are uniformly distributed on the surface of the rubbing belt in a crossed manner.
Further, preferably, the kneading mechanism includes:
the kneading claw is made of arc elastic material;
a base connected to the kneading claw by a plurality of buffer springs;
the two telescopic rods are symmetrically arranged and are respectively hinged with the base.
Further, preferably, sieve bases which are symmetrically fixed in the installation bin are further arranged below the arc plates, and at least two groups of sieve nets are distributed between the two sieve bases.
Further, preferably, the two telescopic rods are respectively a first telescopic rod and a second telescopic rod from top to bottom, the first telescopic rod and the second telescopic rod are symmetrically hinged with the base, and when the kneading is carried out, the telescopic rods are synchronously telescopic; or the first telescopic rods and the second telescopic rods in the same kneading mechanism stretch in a staggered mode, and the two first telescopic rods in the two kneading mechanisms stretch in a staggered mode.
Further, as preferred, the unloading mechanism still includes the mounting disc, rotates to set up one side of front wheel, and the coaxial worm wheel that is fixed with on the mounting disc, the worm wheel links to each other with the worm transmission, the worm rotates to set up in the installation section of thick bamboo, and is driven by the driving machine, the installation section of thick bamboo is fixed on the installation roof beam.
Preferably, a choke protrusion extends from the end of the blanking leg, and a temporary storage recess is formed between the choke protrusion and the blanking leg;
and an accommodating belt is connected between every two adjacent blanking legs.
Further, preferably, the turning mechanism includes:
the connecting seat is connected to one end of the blanking leg and is positioned on the other side of the temporary storage recess;
the connecting arm is hinged to the connecting seat, and a connecting plate is fixed to the other end of the connecting arm; and
and the first turning shovel is obliquely fixed on the connecting plate.
Further, as the preferred, still include the second and turn over throwing shovel, the below of second turns over throwing shovel is fixed with the installation ear, threaded connection has the screw post in the installation ear, the other end threaded connection of screw post is to the connecting plate, the second turns over throwing shovel and keeps away from the one end of installation ear and articulates on the connecting plate.
Compared with the prior art, the invention provides a device for fixing soil heavy metal based on coal resource development waste, which has the following beneficial effects:
in the embodiment of the invention, when the heavy metal in the soil is fixed, the kneading and mixing component is utilized to continuously provide uniform material bodies for the discharging mechanism, and part of the material bodies fall into the groove dug by the turning and throwing mechanism, and part of the material bodies fall onto the next turning and throwing mechanism after temporary storage of the discharging legs and are turned and thrown and mixed with the soil together, so that the surface soil and the deep soil are in full contact with the material bodies, the coal resource waste is fully utilized, the waste is changed into valuable, the bioavailability of the heavy metal in the soil is reduced, even the heavy metal cannot be biologically absorbed completely, and the heavy metal becomes a precipitation state;
the kneading and mixing assembly can utilize the irregular deformation of the kneading belt, can fully utilize the elastic bodies in the grid shape to knead the hard particles, can make contact with the hard particles on four sides of each grid, fully kneads the hard particles into smaller particles or even powder, and improves the kneading efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of an apparatus for fixing heavy metals in soil based on coal resource development waste;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic structural diagram of a kneading and mixing assembly in a device for fixing soil heavy metals based on coal resource development waste;
FIG. 4 is a schematic structural diagram of a blanking mechanism in a device for fixing soil heavy metals based on coal resource development waste;
FIG. 5 is a schematic structural diagram of a turning mechanism in a device for fixing soil heavy metals based on coal resource development waste;
in the figure: 1. a vehicle body; 2. a crawler wheel; 3. mounting a beam; 4. a front wheel; 5. a driver; 6. a blanking mechanism; 7. a temporary storage bin; 8. a kneading and mixing component; 9. a worm gear; 10. a worm; 11. mounting the cylinder; 81. installing a bin; 82. mounting an arm; 83. an arc plate; 84. an elastic band; 85. kneading the belt; 86. kneading the claws; 87. a base; 88. a telescopic rod; 89. a sieve base; 810. screening a screen; 61. mounting a disc; 62. a blanking leg; 63. a turning mechanism; 64. an accommodating belt; 65. a flow-obstructing protrusion; 66. temporarily storing the recess; 631. a connecting seat; 632. a connecting arm; 633. a connecting plate; 634. a first turning shovel; 635. a second turning shovel; 636. mounting ears; 637. and (4) a threaded column.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, an apparatus for fixing heavy metals in soil based on development of waste from coal resources includes:
the mounting beam 3 is mounted on a vehicle body 1, and the vehicle body 1 at least comprises a group of crawler wheels 2;
the front wheel 4 is rotationally arranged below the mounting beam 3, and the front wheel 4 can be a powerless wheel;
the blanking mechanism 6 is coaxially and rotatably arranged on one side of the front wheel 4 and is driven by the driving machine 5, the blanking mechanism 6 at least comprises two blanking legs 62 which are circumferentially arranged, and one end of each blanking leg 62, which is far away from the center of the array circumference, is provided with a turning and throwing mechanism 63; and
a kneading and mixing component 8 fixed on the mounting beam 3 and used for providing a material body for the blanking mechanism 6;
when the heavy metals in the soil are fixed, the kneading and mixing component 8 is utilized to continuously provide the material bodies for the blanking mechanism 6, the blanking mechanism 6 is driven by the driving machine 5 to rotate in the same direction as the rotation direction of the front wheel, part of the material bodies fall into the grooves dug by the turning mechanism 63, part of the material bodies fall onto the next turning mechanism 63 after temporary storage of the blanking legs and are turned and mixed with the soil, it should be explained that the part of the material bodies are the material bodies in the temporary storage depressions corresponding to the turning mechanism, the turning mechanism rotates during the ditching process, the temporary storage depressions also rotate, so that part of the material bodies can enter the corresponding grooves, the rest of the material bodies fall onto the next turning mechanism 63 after temporary storage of the blanking legs and are turned and mixed with the soil, the full contact between the surface soil and the deep soil is facilitated, and the bioavailability of the heavy metals in the soil is facilitated to be reduced, even completely unabsorbed by the living organisms, to a precipitated state.
In this embodiment, the kneading and mixing assembly 8 includes:
the top of the mounting bin 81 is communicated with the discharge end of the temporary storage bin 7, and the bottom of the mounting bin can be provided with an electromagnetic valve for intermittent continuous discharging;
the arc plates 83 are symmetrically arranged in two groups, are fixed in the mounting bin 81 by mounting arms 82, and are provided with elastic belts 84 in the middle; and
the kneading mechanism is correspondingly arranged on one side of the arc plate 83 and is used for kneading the elastic belt 84 so as to grind and disperse the material body therein, and it should be explained that in the embodiment of the present invention, the heavy metal solidified material based on the coal resource development waste is used for fixing the heavy metal in the soil, wherein the coal resource development waste mixture contains more hard particles and is not beneficial to fully contact with the soil, and the kneading mechanism is used for fully kneading the hard particles into smaller particles, even powder.
In a preferred embodiment, a kneading belt 85 is connected between the two elastic belts 84, the kneading belt 85 is a lattice-shaped elastic body, holes and kneading protrusions are uniformly distributed on the surface of the kneading belt 85 in a cross manner, the lattice-shaped elastic body can be fully utilized to knead the hard particles by utilizing the irregular deformation of the kneading belt 85, and four sides of each lattice can be in contact with the hard particles, so that the kneading efficiency is improved.
In this embodiment, as shown in fig. 3, the kneading mechanism includes:
the kneading claw 86 is made of an arc-shaped elastic material;
a base 87 connected to the kneading claw 86 by a plurality of buffer springs;
the two telescopic rods 88 are symmetrically arranged and are respectively hinged with the base 87.
In a preferred embodiment, sieve bases 89 symmetrically fixed in the installation bin 81 are further disposed below the arc plate 83, and at least two sets of sieves are disposed between the two sieve bases 89, so that kneaded particles can be dispersed.
In addition, the two telescopic rods 88 are respectively a first telescopic rod and a second telescopic rod from top to bottom, the first telescopic rod and the second telescopic rod are symmetrically hinged with the base 87, and when kneading is carried out, the telescopic rods 88 are synchronously telescopic; or the first telescopic rods and the second telescopic rods in the same kneading mechanism stretch in a staggered mode, and the two first telescopic rods in the two kneading mechanisms stretch in a staggered mode.
In this embodiment, as shown in fig. 2 and 4, the blanking mechanism 6 further includes a mounting plate 61 rotatably disposed on one side of the front wheel 4, a worm wheel 9 is coaxially fixed on the mounting plate 61, the worm wheel 9 is in transmission connection with a worm 10, the worm 10 is rotatably disposed in a mounting cylinder 11 and driven by a driving machine 5, and the mounting cylinder 11 is fixed on the mounting beam 3.
In a preferred embodiment, a choke protrusion 65 extends from an end of the blanking leg 62, and a temporary storage recess 66 is formed between the choke protrusion 65 and the blanking leg 62;
adjacent two be connected with the holding area 64 between the lower charging leg 62, when concrete implementation, the material body is on the holding area 64 that falls into earlier, then send to soil surface and soil deep after the temporary storage of sunken 66 of temporary storage.
In this embodiment, the turning mechanism 63 includes:
the connecting seat 631 is connected to one end of the blanking leg 62 and is located at the other side of the temporary storage depression 66, that is, the turning mechanism 63 and the temporary storage depression 66 are both disposed on the blanking leg 62, so that the blanking leg is fully utilized, and a reasonable layout in structure is realized;
a connecting arm 632 hinged to the connecting base 631, and a connecting plate 633 fixed to the other end of the connecting arm 632; and
and a first turning shovel 634 obliquely fixed on the connecting plate 633.
As a preferred embodiment, the turning device further comprises a second turning shovel 635, a mounting lug 636 is fixed below the second turning shovel 635, a threaded column 637 is connected in the mounting lug 636 in a threaded manner, the other end of the threaded column 637 is connected to a connecting plate 633 in a threaded manner, and one end of the second turning shovel 635, which is far away from the mounting lug 636, is hinged to the connecting plate 633, so that the inclination angle of the second turning shovel 635 can be adjusted by adjusting the threaded column, and the second turning shovel 635 can be matched with the first turning shovel to adapt to different working conditions.
In specific implementation, heavy metal solidified materials based on coal resource development waste are stored in the temporary storage bin 7 in advance, then the driving machine 5 is started to enable the blanking mechanism 6 to rotate, the kneading and mixing component 8 is utilized to continuously provide qualified materials for the blanking mechanism 6, then part of the materials fall into the groove dug by the turning and throwing mechanism 63, and part of the materials fall onto the next turning and throwing mechanism 63 after temporary storage of the blanking legs and are turned and mixed with soil.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (9)
1. The utility model provides a device based on fixed soil heavy metal of coal resource development discarded object which characterized in that: the method comprises the following steps:
the mounting beam (3) is mounted on the vehicle body (1), and the vehicle body (1) is at least provided with a group of crawler wheels (2);
the front wheel (4) is rotatably arranged below the mounting beam (3);
the blanking mechanism (6) is coaxially and rotatably arranged on one side of the front wheel (4) and driven by the driving machine (5), the blanking mechanism (6) comprises two circumferentially arranged blanking legs (62), and one end, away from the array circumferential center, of each blanking leg (62) is provided with a turning and throwing mechanism (63); and
the kneading and mixing component (8) is fixed on the mounting beam (3) and is used for providing a material body for the blanking mechanism (6);
when soil heavy metals are fixed, the kneading and mixing component (8) is used for continuously providing materials for the blanking mechanism (6), the blanking mechanism (6) is driven by the driving machine (5) to rotate in the same direction as the rotation direction of the front wheel, part of the materials fall into a groove dug by the turning and throwing mechanism (63), and part of the materials fall onto the next turning and throwing mechanism (63) after temporary storage of a blanking leg and are turned and mixed with the soil;
the kneading and mixing assembly (8) comprises:
an installation bin (81);
the arc plates (83) are symmetrically arranged in two groups, the arc plates are fixed in the mounting bin (81) by mounting arms (82), and the middle parts of the arc plates (83) are elastic belts (84); and
and the kneading mechanism is correspondingly arranged on one side of the arc plate (83) and is used for kneading the elastic belt (84) so as to grind and disperse the materials in the elastic belt.
2. The device for fixing the soil heavy metal based on the coal resource development waste as claimed in claim 1, wherein: a kneading belt (85) is connected between the two elastic belts (84), the kneading belt (85) is a latticed elastic body, and hole bodies and kneading bulges are uniformly distributed on the surface of the kneading belt in a crossed manner.
3. The device for fixing the soil heavy metal based on the coal resource development waste as claimed in claim 1, wherein: the kneading mechanism includes:
a kneading claw (86) made of an arc-shaped elastic material;
a base (87) connected to the kneading claw (86) by a plurality of buffer springs;
the two telescopic rods (88) are symmetrically arranged and are respectively hinged with the base (87).
4. The device for fixing the soil heavy metal based on the coal resource development waste as claimed in claim 1, wherein: the screen frame is characterized in that screen bases (89) which are symmetrically fixed in the mounting bin (81) are further arranged below the arc plate (83), and at least two groups of screen meshes are arranged between the screen bases (89).
5. The device for fixing the soil heavy metal based on the coal resource development waste as claimed in claim 3, wherein: the two telescopic rods (88) are respectively a first telescopic rod and a second telescopic rod from top to bottom, the first telescopic rod and the second telescopic rod are symmetrically hinged with the base (87), and when the kneading is carried out, the telescopic rods (88) are synchronously telescopic; or the first telescopic rods and the second telescopic rods in the same kneading mechanism stretch in a staggered mode, and the two first telescopic rods in the two kneading mechanisms stretch in a staggered mode.
6. The device for fixing the soil heavy metal based on the coal resource development waste as claimed in claim 1, wherein: the blanking mechanism (6) further comprises a mounting disc (61) which is rotatably arranged on one side of the front wheel (4), a worm wheel (9) is coaxially fixed on the mounting disc (61), the worm wheel (9) is in transmission connection with a worm (10), the worm (10) is rotatably arranged in a mounting cylinder (11) and driven by a driving machine (5), and the mounting cylinder (11) is fixed on the mounting beam (3).
7. The device for fixing the soil heavy metal based on the coal resource development waste as claimed in claim 1, wherein: a choke protrusion (65) extends from the end of the blanking leg (62), and a temporary storage recess (66) is formed between the choke protrusion (65) and the blanking leg (62);
an accommodating belt (64) is connected between two adjacent blanking legs (62).
8. The device for fixing the soil heavy metal based on the coal resource development waste as claimed in claim 1, wherein: the turning mechanism (63) comprises:
the connecting seat (631) is connected to one end of the blanking leg (62) and is positioned at the other side of the temporary storage recess (66);
the connecting arm (632) is hinged on the connecting seat (631), and the other end of the connecting arm (632) is fixed with a connecting plate (633); and
the first turning shovel (634) is obliquely fixed on the connecting plate (633).
9. The device for fixing the soil heavy metal based on the coal resource development waste according to claim 8, characterized in that: the turning mechanism (63) further comprises a second turning shovel (635), a mounting lug (636) is fixed below the second turning shovel (635), a threaded column (637) is connected in the mounting lug (636) in a threaded manner, the other end of the threaded column (637) is in threaded connection with a connecting plate (633), and one end, far away from the mounting lug (636), of the second turning shovel (635) is hinged to the connecting plate (633).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110727185.6A CN113441542B (en) | 2021-06-29 | 2021-06-29 | Device for developing waste and fixing heavy metal in soil based on coal resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110727185.6A CN113441542B (en) | 2021-06-29 | 2021-06-29 | Device for developing waste and fixing heavy metal in soil based on coal resources |
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| Publication Number | Publication Date |
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| CN113441542A CN113441542A (en) | 2021-09-28 |
| CN113441542B true CN113441542B (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110727185.6A Active CN113441542B (en) | 2021-06-29 | 2021-06-29 | Device for developing waste and fixing heavy metal in soil based on coal resources |
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| CN114653713B (en) * | 2022-03-02 | 2024-02-09 | 四川友翔再生资源有限责任公司 | Wisdom building waste resourceful treatment letter sorting equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230231A (en) * | 1999-02-12 | 2000-08-22 | Hitachi Constr Mach Co Ltd | Self-propelled soil improving machine |
| JP2004049218A (en) * | 2002-05-30 | 2004-02-19 | Sugano Farm Mach Mfg Co Ltd | Subsoiling digger-plow working machine |
| CN111389889A (en) * | 2020-03-30 | 2020-07-10 | 过蕊 | Wisdom agricultural soil treatment machine |
| CN111869390A (en) * | 2020-08-03 | 2020-11-03 | 杭州市临安区农林技术推广中心 | Crop chemical fertilizer rated fertilization method |
| CN112121894A (en) * | 2020-08-19 | 2020-12-25 | 北京大地高科地质勘查有限公司 | Automatic multi-slurry preparation and supply equipment for grouting construction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3389202B2 (en) * | 2000-05-31 | 2003-03-24 | 日本国土開発株式会社 | Soil material production equipment |
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2021
- 2021-06-29 CN CN202110727185.6A patent/CN113441542B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230231A (en) * | 1999-02-12 | 2000-08-22 | Hitachi Constr Mach Co Ltd | Self-propelled soil improving machine |
| JP2004049218A (en) * | 2002-05-30 | 2004-02-19 | Sugano Farm Mach Mfg Co Ltd | Subsoiling digger-plow working machine |
| CN111389889A (en) * | 2020-03-30 | 2020-07-10 | 过蕊 | Wisdom agricultural soil treatment machine |
| CN111869390A (en) * | 2020-08-03 | 2020-11-03 | 杭州市临安区农林技术推广中心 | Crop chemical fertilizer rated fertilization method |
| CN112121894A (en) * | 2020-08-19 | 2020-12-25 | 北京大地高科地质勘查有限公司 | Automatic multi-slurry preparation and supply equipment for grouting construction |
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