CN107318398A - A kind of process equipment of maize straw - Google Patents
A kind of process equipment of maize straw Download PDFInfo
- Publication number
- CN107318398A CN107318398A CN201710723254.XA CN201710723254A CN107318398A CN 107318398 A CN107318398 A CN 107318398A CN 201710723254 A CN201710723254 A CN 201710723254A CN 107318398 A CN107318398 A CN 107318398A
- Authority
- CN
- China
- Prior art keywords
- crushing bin
- crushing
- process equipment
- maize straw
- bin
- 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.)
- Granted
Links
- 240000008042 Zea mays Species 0.000 title claims abstract description 22
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 22
- 239000010902 straw Substances 0.000 title claims abstract description 22
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 title claims abstract description 21
- 235000009973 maize Nutrition 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 abstract description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/02—Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis
- A01F29/04—Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis with feeding direction transverse to axis
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/09—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
- A61L2/06—Hot gas
- A61L2/07—Steam
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Crushing And Pulverization Processes (AREA)
- Catching Or Destruction (AREA)
Abstract
The present invention relates to farm equipment technical field, especially a kind of process equipment of maize straw, including crushing bin, the top of the crushing bin is provided with charging aperture, level and axis is rotatablely equipped with the crushing bin, the axis is provided with co-axial crushing wheel, the crushing wheel is provided with multiple crushed leaves, the two ends of the axis are set with sleeve pipe, the two annular tilting trestles coaxial with sleeve pipe are provided with the crushing bin, two tilting trestles are separately fixed on two sleeve pipes by multiple connecting rods, multiple stirring pieces are connected between the edge of two tilting trestles, the present invention, which is provided with crushing bin, to be used to carry out pulverizing processing to stalk, and tilting trestle is provided with for internal stalk constantly to be stirred, it can be shredded repeatedly, improve the fineness of crushing, increase the efficiency of straw-returning, disinfection storehouse is provided with addition, prevent the germ on stalk from being caused harm to crops.
Description
Technical field
The present invention relates to farm equipment technical field, more particularly to a kind of process equipment of maize straw.
Background technology
Straw-returning is the well stimulation of a culture fertility of most attention in the world today, is preventing crop straw burning
There is getting fat production-increasing function while caused atmosphere pollution.Straw-returning can increase the soil organism, improved soil structure,
Make loosing soil, porosity increase, capacity mitigates, and promotes the development of microbial activity and crop root.
But its speed of becoming thoroughly decomposed of maize straw direct returning to farmland is slow, stubble crops is germinateed, taken root by under the influence of, and corn stalk
Stalk is deposited on field also influence work, and the germ on maize straw can induce crops regeneration disease in addition.
The content of the invention
The invention aims to solve to have the shortcomings that to induce disease, the development of influence crops in the prior art, and carry
A kind of process equipment of the maize straw gone out.
To achieve these goals, present invention employs following technical scheme：
A kind of process equipment of maize straw, including crushing bin are designed, the top of the crushing bin is provided with charging aperture,
Level and axis is rotatablely equipped with the crushing bin, the axis is provided with co-axial crushing wheel, the crushing wheel
Provided with multiple crushed leaves, the two ends of the axis, which are set with sleeve pipe, the crushing bin, is provided with two rings coaxial with sleeve pipe
The tilting trestle of shape, two tilting trestles are separately fixed on two sleeve pipes by multiple connecting rods, the side of two tilting trestles
Multiple stirring pieces are connected between edge, the outside of the crushing bin leads to provided with motor and stirring motor, the crushing motor is crushed
The one end for crossing belt gear and axis is connected, and the stirring motor passes through transmission mechanism and one of sleeve pipe connection, institute
The bottom for stating crushing bin is connected with disinfection storehouse, the disinfection storehouse provided with multiple heating tubes, the disinfection storehouse by bindiny mechanism
Bottom be provided with blanking port.
It is preferred that, the crushed leaves are divided into multigroup, and crushed leaves described in every group are circumferential uniform along crushing wheel.
It is preferred that, the top of the crushing bin is provided with multiple fan houses, and the fan house is described with being connected inside crushing bin
Air blower is installed, the air blower is set towards the inside of crushing bin, the junction of the fan house and crushing bin in fan house
There is filter screen.
It is preferred that, the disinfection storehouse bottom is connected with support, and the support is provided with cleaning liquid case, the cleaning liquid case
Side is provided with delivery pump, and the inwall of the crushing bin is provided with multiple shower nozzles, and the shower nozzle passes through woven hose and delivery pump
Connection.
It is preferred that, the heating tube is electric heating tube or high temperature steam pipe.
It is preferred that, the bindiny mechanism includes being located at the discharging opening of crushing bin bottom, and the crushing bin side, which is connected with, to be carried
The machine of liter, the side of the disinfection storehouse is provided with material receiving port, and the feed hopper of the elevator is located at below discharging opening, the elevator
Discharging opening is located above material receiving port, and the blanking port and discharge outlet are equipped with control valve.
It is preferred that, the lower section of the blanking port is provided with splicing car.
It is preferred that, the stirring piece is stainless steel substrates.
A kind of process equipment of maize straw proposed by the present invention, beneficial effect is：The present invention, which is provided with, to be crushed
Storehouse is used to carry out stalk pulverizing processing, and is provided with tilting trestle for internal stalk constantly to be stirred, can be anti-
Multiple chopping, improves the fineness of crushing, increases the efficiency of straw-returning, and disinfection storehouse is provided with addition, the disease on stalk is prevented
Bacterium causes harm to crops.
Brief description of the drawings
Fig. 1 is a kind of front view of the process equipment of maize straw proposed by the present invention；
Fig. 2 is the side view at a kind of crushing bin of the process equipment of maize straw proposed by the present invention；
Fig. 3 is the structural representation at A in a kind of Fig. 1 of the process equipment of maize straw proposed by the present invention.
In figure：Crushing bin 1, elevator 2, material receiving port 3, disinfection storehouse 4, heating tube 5, blanking port 6, support 7, splicing car 8, control
Valve 9 processed, cleaning liquid case 10, delivery pump 11, discharging opening 12, tilting trestle 13, crushed leaves 14, crushing wheel 15, air blower 16, charging aperture
17th, motor 18, axis 19, stirring motor 20, fan house 21, stirring piece 22, connecting rod 23, filter screen 24, woven hose 25, shower nozzle are crushed
26th, sleeve pipe 27.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Reference picture 1-3, a kind of process equipment of maize straw, including crushing bin 1, the top of crushing bin 1 is provided with more
Individual fan house 21, the inside of fan house 21 and crushing bin 1 is connected, and is provided with air blower 16 in fan house 21, and air blower 16 is towards powder
The inside in broken storehouse 1, the junction of fan house 21 and crushing bin 1 is provided with filter screen 24.Air blower 16 is used to blow to the inside of crushing bin 1
Gas, accelerates air flow, prevents from getting stuck during discharging.
The top of crushing bin 1 is provided with charging aperture 17, level and is rotatablely equipped with axis 19 in crushing bin 1, is set on axis 19
There is co-axial crushing wheel 15, crushing wheel 15 is provided with multiple crushed leaves 14, and 14 points of crushed leaves are multigroup, every group of crushed leaves 14
Along the circumferential uniform of crushing wheel 15.Crushing motor 18 drives crushing wheel 15 to rotate, and is realized by multigroup crushed leaves 14 to stalk
Efficient pulverizing.
The two ends of axis 19, which are set with sleeve pipe 27, crushing bin 1, is provided with the two annular stirrings coaxial with sleeve pipe 27
Frame 13, two tilting trestles 13 are separately fixed on two sleeve pipes 27 by multiple connecting rods 23, between the edge of two tilting trestles 13
Multiple stirring pieces 22 are connected with, stirring piece 22 is stainless steel substrates.Stirring motor 20 drive sleeve pipe 27 rotate so that by with sleeve pipe
27 tilting trestles 13 being fixedly connected drive the constantly upset of stirring disk 22, so as to the stalk of bottom is taken to above crushed leaves, repeatedly
Crush, increase the fineness crushed.
The outside of crushing bin 1 provided with motor 18 and stirring motor 20 is crushed, crush motor 18 by belt gear with
One end connection of axis 19, stirring motor 20 is connected by transmission mechanism with one of sleeve pipe 27, and belt gear includes
The driving wheel for crushing motor end and the drive for being located at the one end of axis 19 are located at, transmission is connected between driving wheel and drive
Band.
The bottom of crushing bin 1 is connected with disinfection storehouse 4 by bindiny mechanism, and bindiny mechanism includes being located at the bottom of crushing bin 1
Discharging opening 12, the side of crushing bin 1 is connected with elevator 2, and the side of disinfection storehouse 4 is provided with material receiving port 3, and the feed hopper of elevator 2 is set
Below discharging opening 12, the discharging opening of elevator 2, which is located at the top of material receiving port 3, blanking port 6 and discharging opening 12, is equipped with control valve
9.The lower section of blanking port 6 is provided with splicing car 8.Stalk by crushing is transported to disinfection storehouse 4 through bindiny mechanism and carried out disinfection processing,
Conveyed after sterilization through splicing car 8.
Multiple heating tubes 5 are provided with disinfection storehouse 4, heating tube 5 is electric heating tube or high temperature steam pipe.The bottom of disinfection storehouse 4
Provided with blanking port 6.The bottom of disinfection storehouse 4 is connected with support 7, and support 7 is installed provided with cleaning liquid case 10, the side of cleaning liquid case 10
There is delivery pump 11, the inwall of crushing bin 1 is provided with multiple shower nozzles 26, and shower nozzle 26 is connected by woven hose 25 with delivery pump 11.
Cleaning liquid case 10 is used to deposit cleaning solution, and cleaning solution is conveyed through delivery pump 11 by woven hose 25, by shower nozzle 26 to crushing bin 1
Internal spray cleaning solution, so that convenient clear up crushing bin 1.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of process equipment of maize straw, including crushing bin (1), it is characterised in that：The top of the crushing bin (1)
Provided with charging aperture (17), the interior level of the crushing bin (1) and axis (19) is rotatablely equipped with, the axis (19) is provided with therewith
Coaxial crushing wheel (15), the crushing wheel (15) is provided with multiple crushed leaves (14), and the two ends of the axis (19) are set with
Have and the two annular tilting trestles (13) coaxial with sleeve pipe (27) are provided with sleeve pipe (27), the crushing bin (1), turned over described in two
Bin (13) is separately fixed on two sleeve pipes (27) by multiple connecting rods (23), between the edge of two tilting trestles (13)
Multiple stirring pieces (22) are connected with, the outside of the crushing bin (1) is provided with crushing motor (18) and stirring motor (20), the powder
Broken motor (18) is connected by belt gear with one end of axis (19), the stirring motor (20) by transmission mechanism with
One of sleeve pipe (27) connection, the bottom of the crushing bin (1) is connected with disinfection storehouse (4), the sterilization by bindiny mechanism
Multiple heating tubes (5) are provided with storehouse (4), the bottom of the disinfection storehouse (4) is provided with blanking port (6).
2. a kind of process equipment of maize straw according to claim 1, it is characterised in that：The crushed leaves (14)
It is divided into multigroup, crushed leaves (14) described in every group are circumferential uniform along crushing wheel (15).
3. a kind of process equipment of maize straw according to claim 1, it is characterised in that：The crushing bin (1)
Top be provided with inside multiple fan houses (21), the fan house (21) and crushing bin (1) and connect, the interior peace of the fan house (21)
Equipped with air blower (16), the air blower (16) is towards the inside of crushing bin (1), the fan house (21) and crushing bin (1)
Junction is provided with filter screen (24).
4. a kind of process equipment of maize straw according to claim 1, it is characterised in that：The disinfection storehouse (4)
Bottom is connected with support (7), and the support (7) is provided with provided with cleaning liquid case (10), the side of the cleaning liquid case (10)
Delivery pump (11), the inwall of the crushing bin (1) is provided with multiple shower nozzles (26), and the shower nozzle (26) passes through woven hose (25)
It is connected with delivery pump (11).
5. a kind of process equipment of maize straw according to claim 1, it is characterised in that：The heating tube (5)
For electric heating tube or high temperature steam pipe.
6. a kind of process equipment of maize straw according to claim 1, it is characterised in that：Bindiny mechanism's bag
The discharging opening (12) for being located at crushing bin (1) bottom is included, crushing bin (1) side is connected with elevator (2), the disinfection storehouse
(4) side is provided with material receiving port (3), and the feed hopper of the elevator (2) is located at below discharging opening (12), the elevator (2)
Discharging opening be located above material receiving port (3), the blanking port (6) and discharging opening (12) place are equipped with control valve (9).
7. a kind of process equipment of maize straw according to claim 1, it is characterised in that：The blanking port (6)
Lower section be provided with splicing car (8).
8. a kind of process equipment of maize straw according to claim 1, it is characterised in that：The stirring piece (22)
For stainless steel substrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723254.XA CN107318398B (en) | 2017-08-22 | 2017-08-22 | Processing equipment for returning corn straws to field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723254.XA CN107318398B (en) | 2017-08-22 | 2017-08-22 | Processing equipment for returning corn straws to field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107318398A true CN107318398A (en) | 2017-11-07 |
| CN107318398B CN107318398B (en) | 2022-09-30 |
Family
ID=60228152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710723254.XA Active CN107318398B (en) | 2017-08-22 | 2017-08-22 | Processing equipment for returning corn straws to field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107318398B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108770507A (en) * | 2018-05-18 | 2018-11-09 | 苏州洋紫瑞信息科技有限公司 | A kind of stalk various dimensions cutting and grinding device |
| CN111015907A (en) * | 2019-11-28 | 2020-04-17 | 江苏禾吉新材料科技有限公司 | Production device of straw building blocks |
| CN111615916A (en) * | 2020-06-05 | 2020-09-04 | 湖南翰坤实业有限公司 | Straw collector |
| CN111615917A (en) * | 2020-06-05 | 2020-09-04 | 湖南翰坤实业有限公司 | Straw collecting and recycling equipment |
| CN115843550A (en) * | 2023-02-21 | 2023-03-28 | 山东交通职业学院 | Corn stalk crushing and returning machine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3879223D1 (en) * | 1987-09-08 | 1993-04-15 | Hammarstrand Per Ake | STRAW CUTTER. |
| CN202077414U (en) * | 2011-05-13 | 2011-12-21 | 墨玉县金钥匙农机有限责任公司 | Wheat threshing winnowing machine |
| CN202238216U (en) * | 2011-10-18 | 2012-05-30 | 肖斌 | Crusher special for soft toughness filiform and strip-shaped biomass raw materials |
| CN103314727A (en) * | 2013-07-10 | 2013-09-25 | 信阳市四通机械制造有限公司 | Straw chopping machine |
| CN203523385U (en) * | 2013-07-08 | 2014-04-09 | 赵县联行机械有限公司 | Straw secondary crushing recovery machine |
| CN205161217U (en) * | 2015-11-27 | 2016-04-20 | 淳安县绿之源苗木专业合作社 | Flying knife device in small, broken bits is handled to rattan |
| CN105993428A (en) * | 2016-06-07 | 2016-10-12 | 韦克让 | Log and straw rotary-cut pulverizer with heating device |
| CN106076147A (en) * | 2016-07-29 | 2016-11-09 | 都子鼎 | Poultry manure fertilizer mixer |
| CN106508315A (en) * | 2016-11-07 | 2017-03-22 | 四川省旭东机械制造有限公司 | Multifunctional feed grinder |
| CN207099765U (en) * | 2017-08-22 | 2018-03-16 | 宁夏农林科学院农业资源与环境研究所 | A kind of process equipment of maize straw |
-
2017
- 2017-08-22 CN CN201710723254.XA patent/CN107318398B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3879223D1 (en) * | 1987-09-08 | 1993-04-15 | Hammarstrand Per Ake | STRAW CUTTER. |
| CN202077414U (en) * | 2011-05-13 | 2011-12-21 | 墨玉县金钥匙农机有限责任公司 | Wheat threshing winnowing machine |
| CN202238216U (en) * | 2011-10-18 | 2012-05-30 | 肖斌 | Crusher special for soft toughness filiform and strip-shaped biomass raw materials |
| CN203523385U (en) * | 2013-07-08 | 2014-04-09 | 赵县联行机械有限公司 | Straw secondary crushing recovery machine |
| CN103314727A (en) * | 2013-07-10 | 2013-09-25 | 信阳市四通机械制造有限公司 | Straw chopping machine |
| CN205161217U (en) * | 2015-11-27 | 2016-04-20 | 淳安县绿之源苗木专业合作社 | Flying knife device in small, broken bits is handled to rattan |
| CN105993428A (en) * | 2016-06-07 | 2016-10-12 | 韦克让 | Log and straw rotary-cut pulverizer with heating device |
| CN106076147A (en) * | 2016-07-29 | 2016-11-09 | 都子鼎 | Poultry manure fertilizer mixer |
| CN106508315A (en) * | 2016-11-07 | 2017-03-22 | 四川省旭东机械制造有限公司 | Multifunctional feed grinder |
| CN207099765U (en) * | 2017-08-22 | 2018-03-16 | 宁夏农林科学院农业资源与环境研究所 | A kind of process equipment of maize straw |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108770507A (en) * | 2018-05-18 | 2018-11-09 | 苏州洋紫瑞信息科技有限公司 | A kind of stalk various dimensions cutting and grinding device |
| CN111015907A (en) * | 2019-11-28 | 2020-04-17 | 江苏禾吉新材料科技有限公司 | Production device of straw building blocks |
| CN111615916A (en) * | 2020-06-05 | 2020-09-04 | 湖南翰坤实业有限公司 | Straw collector |
| CN111615917A (en) * | 2020-06-05 | 2020-09-04 | 湖南翰坤实业有限公司 | Straw collecting and recycling equipment |
| CN115843550A (en) * | 2023-02-21 | 2023-03-28 | 山东交通职业学院 | Corn stalk crushing and returning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107318398B (en) | 2022-09-30 |
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