CN112703872A - Biogas slurry transportation and fertilization device for agricultural production - Google Patents
Biogas slurry transportation and fertilization device for agricultural production Download PDFInfo
- Publication number
- CN112703872A CN112703872A CN202011580692.3A CN202011580692A CN112703872A CN 112703872 A CN112703872 A CN 112703872A CN 202011580692 A CN202011580692 A CN 202011580692A CN 112703872 A CN112703872 A CN 112703872A
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- fixedly connected
- biogas slurry
- storage box
- agricultural production
- filter screen
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- 239000002002 slurry Substances 0.000 title claims abstract description 36
- 238000012271 agricultural production Methods 0.000 title claims abstract description 16
- 230000004720 fertilization Effects 0.000 title claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 239000003337 fertilizer Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 229930192334 Auxin Natural products 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 239000002363 auxin Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a biogas slurry transportation and fertilization device for agricultural production, relates to the technical field of agricultural equipment, and solves the problems that a large amount of biogas slurry compounds are adhered to the inner wall of the equipment after biogas slurry is filtered, whether the interior is clean cannot be determined through simple washing, and the adhered substances corrode the equipment over time. A biogas slurry transportation and fertilization device for agricultural production comprises a frame body mechanism and a filtering device, wherein a base mechanism is fixedly connected to the middle position inside the frame body mechanism; the top of the base mechanism is fixedly connected with the bottom of the box body mechanism; the box body mechanism comprises a storage box, a plate door, a first air cylinder and a second air cylinder, wherein the plate door is rotatably connected in the middle of the front end of the storage box. The hourglass groove case is last wide narrow structural shape for natural pond liquid stores when the hourglass inslot portion, and the whole position of the natural pond liquid of being convenient for spreads, and the condition that can not appear cutting off the material takes place when making natural pond liquid gather and get together and get rid of through the delivery pipe.
Description
Technical Field
The invention belongs to the technical field of agricultural equipment, and particularly relates to a biogas slurry transportation and fertilization device for agricultural production.
Background
The biogas slurry is brown bright liquid formed by fermenting organic substances, and contains various types of amino acid chloride, vitamins, proteins, auxin, saccharides, nucleic acid, antibiotics and the like, the biogas slurry is mainly used for seed soaking, foliage fertilizer spraying, nutrient soil mixing, flower and fruit retention agent, soilless culture mother liquor, flower planting and the like, organic residues and waste liquid after biogas fermentation are collectively called biogas fermentation residues which are composed of solid and liquid, the two parts are unevenly distributed in a biogas pool, solid floating on the surface is called scum, the composition of the layer is very complex, and the biogas fermentation density of the biogas residues is reduced, and the biogas residues also comprise straws and firewood which are not fully degreased; the middle of the biogas pool is liquid, the middle upper part is clear liquid, the lower half part is suspension liquid, and the liquid is generally called biogas slurry; the bottom layer is mud-shaped sediment called biogas residue, and in a biogas digester without a stirring device, the phenomenon of layered distribution of solid and liquid is common, and the sediment has certain influence on biogas production and biogas fertilizer output.
For example, application No.: CN201911285240.X the invention provides a biogas slurry filter, which comprises a box body, a feed inlet arranged on the box body, a filtering device arranged in the box body and below the feed inlet, and a screw extruder, wherein materials are filtered to the bottom of the box body through the filtering device, the filtering device comprises a first filter screen, a second filter screen and a third filter screen which are sequentially arranged from top to bottom, the aperture of the first filter screen is larger than that of the second filter screen and is larger than that of the third filter screen, the first filter screen is in contact with the feed inlet, a liquid discharge port is arranged below the third filter screen and at the bottom end of the side surface of the box body, and fine impurities in filtered liquid can be prevented from being discharged along with the flow of the liquid, so that a pipe network is blocked. First filter screen, second filter screen, third filter screen all are connected with screw extruder's entry, and the material passes through filter equipment's filtration back, can not cause the jam to the pipe network, and the waste residue after the filtration slides the entry to screw extruder, and screw extruder handles the waste residue.
Based on the search of the above patent and the discovery of combining the equipment in the prior art, above-mentioned equipment is when using, though can not cause the jam to the pipe network, after filtering the natural pond liquid, the inner wall of equipment is adhered to the compound of a lot of natural pond liquid, and whether clean inside can't be confirmed through simple washing, and the adhesive can cause the emergence of corruption problem to equipment in the long term.
Disclosure of Invention
In order to solve the technical problems, the invention provides a biogas slurry transportation and fertilization device for agricultural production, which aims to solve the problems that a lot of biogas slurry compounds are adhered to the inner wall of equipment after biogas slurry is filtered, whether the interior is clean cannot be determined through simple washing, and the equipment is corroded by the adhesive after a long time.
The invention relates to a biogas slurry transportation and fertilization device for agricultural production, which is achieved by the following specific technical means:
a biogas slurry transportation and fertilization device for agricultural production comprises a frame body mechanism and a filtering device, wherein a base mechanism is fixedly connected to the middle position inside the frame body mechanism; the top of the base mechanism is fixedly connected with the bottom of the box body mechanism; the box body mechanism comprises a storage box, a plate door, a first air cylinder and a second air cylinder, the plate door is rotatably connected in the middle of the front end of the storage box, the first air cylinder is fixedly connected in the middle of the left side of the storage box, a top baffle of the first air cylinder is rotatably connected in the left side position of the top of the storage box, the second air cylinder is fixedly connected in the middle of the right side of the storage box, and the top baffle of the second air cylinder is rotatably connected in the right side position of the top of the storage box; the front end of the bottom of the base mechanism is fixedly connected with a discharging mechanism; the filtering device is fixedly connected inside the base mechanism.
Furthermore, the frame body mechanism comprises a support frame, supporting legs and a push handle, a groove is formed in the middle of the support frame, the positions of four corners of the bottom of the support frame are fixedly connected with one supporting leg, the bottom of each supporting leg is provided with a pulley, and the push handle is fixedly connected to the rear position of the top end face of the support frame;
furthermore, the base mechanism comprises a leakage groove box, a cleaning bin door and a discharge port, the leakage groove box is in a shape with a wide upper part and a narrow lower part, both ends of the top part are provided with edge plates, a through groove is formed in the middle of the top part of the leakage groove box, the cleaning bin door is formed in the rear position of the bottom part of the leakage groove box, the discharge port is formed in the front end of the bottom part of the leakage groove box, and the leakage groove box is fixedly connected with the middle position in the groove of the support frame in the installation state of the base mechanism;
furthermore, the storage box is rectangular, a through groove is formed in the top end face of the storage box, and the bottom end face of the storage box is fixedly connected with the top end face of the leakage groove box in the installation state of the box body mechanism;
furthermore, the discharge mechanism comprises a discharge pipe and a discharge valve, the lower position of the discharge pipe adopts an arc design, the middle position of the discharge pipe is provided with the discharge valve, and the rear end of the top of the discharge pipe is fixedly connected to the front end of the discharge port in the installation state of the discharge mechanism;
furthermore, the filtering device comprises a filter screen, a lifting handle and supporting plates, the lifting handle is fixedly connected at the middle position of the front side and the rear side of the top end surface of the filter screen, and the four supporting plates are symmetrically and fixedly connected at the front end and the rear end of the bottom of the filter screen;
further, the filter screen is rectangular shape, and under the filter equipment mounted state, filter screen fixed connection is in the logical groove top of small opening case, and the filter screen is located the inside below position of storage case.
Compared with the prior art, the invention has the following beneficial effects:
firstly, pouring biogas slurry into a storage box, filtering the biogas slurry by allowing the biogas slurry to enter the upper end position of a filter screen through a through groove of the storage box, and then allowing the filtered biogas slurry to enter a leakage groove box through the filter screen to finish the biogas slurry filtering process; when the biogas slurry is conveyed and fertilized, a worker firstly opens the discharge valve to discharge the biogas slurry in the tank leakage box at a constant speed through the discharge pipe, holds the push handle, and drives the support frame to integrally move through the pulleys at the bottom of the support legs to finish the process of conveying and fertilizing the biogas slurry in the equipment; when wholly clearing up equipment, the staff opens the board door, can clear up the inside below position of storage case, because the hourglass groove case is wide constrictive structural shape in last, make natural pond liquid store in the hourglass inslot portion, the overall position of the natural pond liquid of being convenient for spreads, the condition that can not appear the disconnected material when making natural pond liquid gather to get together and get rid of through the delivery pipe takes place, when the user of service needs to clear up the hourglass inslot case, can take off the clearance door, can clear up to the hourglass inslot portion and explore.
Drawings
Fig. 1 is a schematic view of the structure of the main view state of the present invention.
Fig. 2 is a left-side view structural diagram of the present invention.
FIG. 3 is a side view of the present invention.
Fig. 4 is a side view of the base mechanism of the present invention.
Fig. 5 is a side view of the box mechanism of the present invention.
Fig. 6 is a side view of the filter device of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a frame body mechanism; 101. a support frame; 102. a support leg; 103. a push handle; 2. a base mechanism; 201. a leak tank box; 202. cleaning a bin gate; 203. a discharge port; 3. a box mechanism; 301. a storage box; 302. a panel door; 303. a first cylinder; 304. a second cylinder; 4. a discharge mechanism; 401. a discharge pipe; 402. a discharge valve; 5. a filtration device; 501. filtering with a screen; 502. a handle; 503. and a supporting plate.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 6:
the invention provides a biogas slurry transportation and fertilization device for agricultural production, which comprises: the frame body mechanism 1 and the filtering device 5 are fixedly connected with a base mechanism 2 at the middle position in the frame body mechanism 1; the top of the base mechanism 2 is fixedly connected with the bottom of the box body mechanism 3; the box body mechanism 3 comprises a storage box 301, a plate door 302, a first air cylinder 303 and a second air cylinder 304, the plate door 302 is rotatably connected in the middle of the front end of the storage box 301, the first air cylinder 303 is fixedly connected in the middle of the left side of the storage box 301, a top baffle of the first air cylinder 303 is rotatably connected in the left side position of the top of the storage box 301, the second air cylinder 304 is fixedly connected in the middle of the right side of the storage box 301, and the top baffle of the second air cylinder 304 is rotatably connected in the right side position of the top of the storage box 301; the storage box 301 is rectangular, a through groove is formed in the top end face of the storage box 301, and the bottom end face of the storage box 301 is fixedly connected with the top end face of the leak groove box 201 in the installation state of the box body mechanism 3; the front end of the bottom of the base mechanism 2 is fixedly connected with a discharge mechanism 4; the filter device 5 is fixedly connected inside the base unit 2.
The frame body mechanism 1 comprises a support frame 101, supporting legs 102 and a pushing handle 103, a groove is formed in the middle of the support frame 101, the positions of four corners of the bottom of the support frame 101 are fixedly connected with the supporting legs 102, the bottom of each supporting leg 102 is provided with a pulley, and the position of the rear portion of the top end face of the support frame 101 is fixedly connected with the pushing handle 103.
Wherein, base mechanism 2 is including the small opening case 201, clearance door 202 and discharge port 203, and small opening case 201 is the narrow shape of last width, and the top both ends all are equipped with along the board, and the logical groove of running through has been seted up to small opening case 201 top intermediate position, and clearance door 202 has been seted up to small opening case 201 bottom rear position, and discharge port 203 has been seted up to small opening case 201 bottom front end, under 2 installation states of base mechanism, intermediate position in small opening case 201 fixed connection support frame 101 recess.
Wherein, the discharge mechanism 4 comprises a discharge pipe 401 and a discharge valve 402, the lower position of the discharge pipe 401 adopts an arc design, the middle position of the discharge pipe 401 is provided with the discharge valve 402, and the rear end of the top of the discharge pipe 401 is fixedly connected with the front end position of the discharge port 203 in the installation state of the discharge mechanism 4.
Wherein, filter equipment 5 is including filter screen 501, handle 502 and fagging 503, and both sides intermediate position fixedly connected with handle 502 around the filter screen 501 top surface, and both ends symmetry fixedly connected with fagging 503 is everywhere around filter screen 501 bottom, and filter screen 501 is the rectangle shape, and under the 5 installation, filter screen 501 fixed connection is in leaking the logical groove top of groove case 201, and filter screen 501 is located the inside below position of storage case 301.
When in use: firstly, the device is assembled, firstly, the middle position in the groove of the supporting frame 101 is fixedly connected with the slot leaking box 201, the assembling process of the base mechanism 2 is completed, next, the bottom end face of the storage box 301 is fixedly connected with the top end face of the slot leaking box 201, the assembling process of the box body mechanism 3 is completed, next, the rear end of the top of the discharge pipe 401 is fixedly connected at the front end of the discharge port 203, the assembling process of the discharge mechanism 4 is completed, finally, the filter screen 501 is fixedly connected in the top of the through groove of the slot leaking box 201, the filter screen 501 is positioned at the position below the inside of the storage box 301, and the installing process.
When the device is used, firstly, the biogas slurry is poured into the storage box 301, enters the upper end of the filter screen 501 through the through groove of the storage box 301 to be filtered, and then enters the leaking groove box 201 through the filter screen 501 to finish the filtering process of the biogas slurry; when the biogas slurry is conveyed and fertilized, a worker firstly opens the discharge valve 402 to discharge the biogas slurry in the tank leakage box 201 through the discharge pipe 401 at a constant speed, holds the push handle 103, and drives the support frame 101 to integrally move through the pulleys at the bottom of the support legs 102 to finish the process of conveying and fertilizing the biogas slurry in the equipment; when wholly clearing up equipment, the staff opens board door 302, can clear up the inside below position of storage box 301, because leak groove case 201 is wide narrow structural shape last, make natural pond liquid store in leak groove case 201 inside, the overall position of the natural pond liquid of being convenient for spreads, the condition that can not appear disconnected material when making natural pond liquid gather together and get rid of through discharge pipe 401 takes place, when the user of service needs to clear up leak groove case 201, can take off clearance door 202, can be to leaking the inside clearance of groove case 201 and exploring.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a natural pond liquid transportation fertilizer injection unit for agricultural production which characterized in that: the filter comprises a frame body mechanism (1) and a filter device (5), wherein a base mechanism (2) is fixedly connected to the middle position in the frame body mechanism (1); the top of the base mechanism (2) is fixedly connected with the bottom of the box body mechanism (3); the box body mechanism (3) comprises a storage box (301), a plate door (302), a first air cylinder (303) and a second air cylinder (304), the plate door (302) is rotatably connected to the middle of the front end of the storage box (301), the first air cylinder (303) is fixedly connected to the middle position of the left side of the storage box (301), a top baffle of the first air cylinder (303) is rotatably connected to the left side position of the top of the storage box (301), the second air cylinder (304) is fixedly connected to the middle position of the right side of the storage box (301), and the top baffle of the second air cylinder (304) is rotatably connected to the right side position of the top of the storage box (301); the front end of the bottom of the base mechanism (2) is fixedly connected with a discharge mechanism (4); the filtering device (5) is fixedly connected inside the base mechanism (2).
2. The biogas slurry transportation and fertilization device for agricultural production as claimed in claim 1, wherein: the support body mechanism (1) comprises a support frame (101), supporting legs (102) and a pushing handle (103), wherein a groove is formed in the middle of the support frame (101), the supporting legs (102) are fixedly connected to four corners of the bottom of the support frame (101), a pulley is arranged at the bottom of each supporting leg (102), and the pushing handle (103) is fixedly connected to the rear of the top end face of the support frame (101).
3. The biogas slurry transportation and fertilization device for agricultural production as claimed in claim 1, wherein: base mechanism (2) are including leaking groove case (201), clearance door (202) and discharge port (203), leak groove case (201) and be the narrow shape of last width, and the top both ends all are equipped with along the board, leak groove case (201) top intermediate position and offer the logical groove that runs through, leak groove case (201) bottom rear position and offered clearance door (202), leak groove case (201) bottom front end and offered discharge port (203), under base mechanism (2) the mounted state, leak groove case (201) fixed connection support frame (101) recess intermediate position.
4. The biogas slurry transportation and fertilization device for agricultural production as claimed in claim 1, wherein: the storage box (301) is rectangular, a through groove is formed in the top end face of the storage box, and the bottom end face of the storage box (301) is fixedly connected with the top end face of the groove leaking box (201) in the installation state of the box body mechanism (3).
5. The biogas slurry transportation and fertilization device for agricultural production as claimed in claim 1, wherein: the discharging mechanism (4) comprises a discharging pipe (401) and a discharging valve (402), the lower position of the discharging pipe (401) adopts an arc-shaped design, the discharging valve (402) is arranged at the middle position of the discharging pipe (401), and the rear end of the top of the discharging pipe (401) is fixedly connected to the front end of the discharging port (203) in the mounting state of the discharging mechanism (4).
6. The biogas slurry transportation and fertilization device for agricultural production as claimed in claim 1, wherein: the filtering device (5) comprises a filter screen (501), handles (502) and supporting plates (503), wherein the handles (502) are fixedly connected to the middle positions of the front side and the rear side of the top surface of the filter screen (501), and the supporting plates (503) are symmetrically and fixedly connected to the front end and the rear end of the bottom of the filter screen (501).
7. The biogas slurry transportation and fertilization device for agricultural production as claimed in claim 6, wherein: filter screen (501) are rectangular, and under filter equipment (5) installation, filter screen (501) fixed connection is in leaking groove case (201) logical groove top, and filter screen (501) are located the inside below position of storage case (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580692.3A CN112703872A (en) | 2020-12-28 | 2020-12-28 | Biogas slurry transportation and fertilization device for agricultural production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580692.3A CN112703872A (en) | 2020-12-28 | 2020-12-28 | Biogas slurry transportation and fertilization device for agricultural production |
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| Publication Number | Publication Date |
|---|---|
| CN112703872A true CN112703872A (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011580692.3A Pending CN112703872A (en) | 2020-12-28 | 2020-12-28 | Biogas slurry transportation and fertilization device for agricultural production |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3578026A1 (en) * | 2018-06-04 | 2019-12-11 | Valli S.p.A. | Vehicle and method for the distribution of biosolids |
| CN209890345U (en) * | 2019-04-29 | 2020-01-03 | 马康 | Self-cleaning type suction head structure based on biogas slurry filtration |
| CN210928603U (en) * | 2019-11-21 | 2020-07-07 | 闽清县下祝乡高岗山家庭农场 | A fertilizer scatters device for mountain region navel orange is planted |
| CN111492952A (en) * | 2020-06-03 | 2020-08-07 | 西南民族大学 | Self-rotating anti-blocking farmland irrigation device |
| CN112005687A (en) * | 2020-08-21 | 2020-12-01 | 江苏润州建设有限公司 | Agricultural irrigation device capable of applying liquid fertilizer |
-
2020
- 2020-12-28 CN CN202011580692.3A patent/CN112703872A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3578026A1 (en) * | 2018-06-04 | 2019-12-11 | Valli S.p.A. | Vehicle and method for the distribution of biosolids |
| CN209890345U (en) * | 2019-04-29 | 2020-01-03 | 马康 | Self-cleaning type suction head structure based on biogas slurry filtration |
| CN210928603U (en) * | 2019-11-21 | 2020-07-07 | 闽清县下祝乡高岗山家庭农场 | A fertilizer scatters device for mountain region navel orange is planted |
| CN111492952A (en) * | 2020-06-03 | 2020-08-07 | 西南民族大学 | Self-rotating anti-blocking farmland irrigation device |
| CN112005687A (en) * | 2020-08-21 | 2020-12-01 | 江苏润州建设有限公司 | Agricultural irrigation device capable of applying liquid fertilizer |
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Application publication date: 20210427 |
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