CN115417705B - Microbial organic fertilizer preparation device and application method thereof - Google Patents

Microbial organic fertilizer preparation device and application method thereof Download PDF

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Publication number
CN115417705B
CN115417705B CN202211188468.9A CN202211188468A CN115417705B CN 115417705 B CN115417705 B CN 115417705B CN 202211188468 A CN202211188468 A CN 202211188468A CN 115417705 B CN115417705 B CN 115417705B
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box body
gear
steel wire
preparation box
organic fertilizer
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CN115417705A (en
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康福忠
苏永鹏
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Bcm Tianjin Biotechnology Research And Development Co ltd
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Bcm Tianjin Biotechnology Research And Development Co ltd
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90Apparatus therefor
    • C05F17/964Constructional parts, e.g. floors, covers or doors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)

Abstract

The application relates to a microbial organic fertilizer preparation device and a use method thereof, belonging to the technical field related to microbial organic fertilizer preparation, and comprising a preparation box body and a sealing cover, wherein the sealing cover is arranged on the preparation box body; the anti-accumulation mechanism comprises a limiting rod, sliding plates, a steel wire rope, a first supporting column, a tightening motor, a tightening shaft and a second supporting column, wherein the limiting rod is arranged on a preparation box body; so as to solve the problem of poor local ventilation effect caused by uneven density of the raw material mixture in the preparation container.

Description

Microbial organic fertilizer preparation device and application method thereof
Technical Field
The application belongs to the technical field of microbial organic fertilizer preparation, and particularly relates to a microbial organic fertilizer preparation device and a use method thereof.
Background
The microbial organic fertilizer is prepared by fully utilizing human and animal excreta, agricultural wastes and other biological bacteria to ferment, and the secondary fermentation process is adopted to effectively prevent soil virus bacteria, so that the microbial organic fertilizer is a basic fertilizer for planting green foods, is suitable for various plants, is a total nutrient fertilizer, and has the significance of time development. Market prospect: the market demand and market space of the project are very large, and the project is a base project for developing green and environment-friendly agriculture worldwide and is the best guarantee for planting green food and organic food. Benefit analysis: the establishment and implementation of the project accords with the industrial policy and direction of China, and the profit margin of the product is basically between 30% and 60%. Therefore, the establishment and implementation of the method have obvious social benefits.
In the process of manufacturing the microbial organic fertilizer, the raw material mixture is introduced into a prepared container, ventilation is needed to be carried out on the raw material mixture at regular time, when insufficient ventilation causes insufficient oxygen for microorganisms, the fermentation temperature can be influenced, the density of the raw material mixture of the lower layer is higher than that of the raw material mixture of the upper layer under the influence of gravity, and gaps among the raw material mixtures of the lower layer are smaller, so that ventilation is not facilitated.
Disclosure of Invention
The application aims to provide a microbial organic fertilizer preparation device and a using method thereof, which are used for solving the problem that local ventilation effect is poor due to uneven density of a raw material mixture in a preparation container.
In order to achieve the above purpose, the specific technical scheme of the microbial organic fertilizer preparation device and the use method thereof are as follows:
the microbial organic fertilizer preparation device comprises a preparation box body and a sealing cover, wherein the sealing cover is arranged on the preparation box body, a transmission mechanism is arranged on the preparation box body, anti-accumulation mechanisms are respectively arranged on two sides of the interior of the preparation box body, the two anti-accumulation mechanisms are mirror symmetry, and the anti-accumulation mechanisms are in transmission connection with the transmission mechanism; the anti-stacking mechanism comprises a limiting rod, a sliding plate, a steel wire rope, a first supporting column, a tightening motor, a tightening shaft and a second supporting column, wherein the limiting rod is arranged on a preparation box body, the sliding plates are arranged on the limiting rod and are slidably arranged in grooves formed in the preparation box body, round through holes for limiting the steel wire rope are formed in the sliding plates in an array mode, one end of the steel wire rope is fixed in the round through holes of the sliding plate at the bottommost part, the other end of the steel wire rope sequentially penetrates through the round through holes in a folding mode and then is fixedly arranged on the tightening shaft, one end of the tightening shaft is rotatably arranged in the grooves formed in the upper end of the first supporting column, the lower end of the first supporting column is fixedly arranged on the preparation box body, the other end of the tightening shaft penetrates through the second supporting column to be fixedly arranged at the output end of the tightening motor, the tightening motor is fixedly arranged at the upper end of the second supporting column, and the lower end of the second supporting column is fixedly arranged on the preparation box body.
Further, the gag lever post includes screw thread quarter butt, square tooth line pole and gear ring, screw thread quarter butt and sliding plate threaded connection, the one end of screw thread quarter butt is equipped with the rotary groove, the other end of screw thread quarter butt is equipped with the swivel ring, swivel ring rotation installs and makes a plurality of screw thread quarter butts end to end in proper order in the rotary groove, square tooth line pole one end meshes with drive mechanism mutually, the other end of square tooth line pole extends to in the square through-hole that sets up on the screw thread quarter butt, the screw thread quarter butt of bottommost passes through swivel ring rotation and installs in the recess that sets up on the preparation box, the upper end fixed mounting of screw thread quarter butt of topmost has the gear ring, the gear ring meshes with drive mechanism mutually.
Further, drive mechanism includes mounting bracket, first motor, master gear, pneumatic cylinder, U-shaped balladeur train, second motor and limiting gear, mounting bracket fixed mounting is on the preparation box, and fixed mounting has first motor on the mounting bracket, and the output fixed mounting of first motor has the master gear, and the master gear meshes with the gear ring, and fixed mounting has the pneumatic cylinder on the mounting bracket, and the output fixed mounting of pneumatic cylinder has the U-shaped balladeur train, and U-shaped balladeur train slidable mounting is in the recess that sets up on the mounting bracket, and fixed mounting has the second motor on the U-shaped balladeur train, and the output fixed mounting of second motor has limiting gear, and limiting gear meshes with square toothed bar.
Further, still including the baffle, the baffle includes comb-shaped frame and dentate rubber sheet, two comb-shaped frame inserts respectively in the recess that sets up on the preparation box both sides, and dentate rubber sheet is installed in the gap department of comb-shaped frame, and wire rope alternates in dentate rubber sheet.
Further, the sealing cover comprises a main cover plate and side cover plates, the two side cover plates are located on two sides of the main cover plate, and through holes for displacement of the steel wire ropes are formed in the side cover plates.
Further, the application method of the microbial organic fertilizer preparation device comprises the following steps:
step one: opening the main cover plate, and pouring the mixed raw materials of the microbial organic fertilizer into the preparation box body;
step two: when the gap of the mixed raw materials in the preparation box body needs to be controlled, the anti-accumulation mechanism is controlled through the transmission mechanism, so that the folding steel wire ropes are opened or contracted, the mixed raw materials around the steel wire ropes are driven to open or close, and the gap size between the mixed raw materials is adjusted.
Furthermore, the second step is to install the folding layer number of the steel wire rope in advance according to the requirement before use, so as to realize the accurate control of the size of the gap between the mixed raw materials.
Further, step two, in the in-process that uses, remove in the square through-hole that a plurality of screw thread quarter butt set up through spacing gear control square tooth trace pole, realize synchronous adjustment different quantity screw thread quarter butt, drive the sliding plate slip on it when screw thread quarter butt is rotatory to make the folding angle of different district wire rope different, reach the purpose of dividing the gap size of the different district of accuse mixed raw materials.
The application has the advantages that:
according to the application, the folding angle of the steel wire rope can be adjusted layer by layer through the matching of the threaded short rod and the square toothed rod, so that adjustment of different degrees according to the densities of different layers of the raw material mixture is realized, and the ventilation effect among the layers of the raw material mixture is ensured to be consistent.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present application;
FIG. 3 is a schematic view of the anti-stacking mechanism according to the present application;
FIG. 4 is a schematic view of a stop lever according to the present application;
FIG. 5 is a schematic cross-sectional view of a stop lever according to the present application;
FIG. 6 is a schematic diagram of a transmission mechanism according to the present application;
FIG. 7 is a schematic view of a baffle plate according to the present application;
FIG. 8 is a schematic structural view of a seal cap of the present application;
fig. 9 is a schematic structural view of the preparation tank of the present application.
The figure indicates:
preparing a box body 1; a sealing cover 2; a main cover plate 21; a side cover plate 22; a transmission mechanism 3; a mounting frame 31; a first motor 32; a main gear 33; a hydraulic cylinder 34; a U-shaped carriage 35; a second motor 36; a limit gear 37; an anti-accumulation mechanism 4; a stopper rod 41; a threaded stub 411; a rotation groove 4111; a rotating ring 4112; square through holes 4113; square toothed bar 412; a gear ring 413; a slide plate 42; a circular through hole 421; a wire rope 43; support column one 44; tightening the motor 45; a take-up shaft 46; support column two 47; a baffle 5; a comb-shaped frame 51; toothed rubber sheet 52.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 9, a microbial organic fertilizer preparation device comprises a preparation box body 1 and a sealing cover 2, wherein the sealing cover 2 is arranged on the preparation box body 1, a transmission mechanism 3 is arranged on the preparation box body 1, anti-accumulation mechanisms 4 are respectively arranged on two sides of the interior of the preparation box body 1, the two anti-accumulation mechanisms 4 are in mirror symmetry, and the anti-accumulation mechanisms 4 are in transmission connection with the transmission mechanism 3; the anti-stacking mechanism 4 comprises a limiting rod 41, a sliding plate 42, a steel wire rope 43, a first supporting column 44, a tightening motor 45, a tightening shaft 46 and a second supporting column 47, wherein the limiting rod 41 is arranged on the preparation box body 1, a plurality of sliding plates 42 are arranged on the limiting rod 41, the sliding plate 42 is slidably arranged in a groove arranged on the preparation box body 1, round through holes 421 for limiting the steel wire rope 43 are arrayed on the sliding plate 42, one end of the steel wire rope 43 is fixed in the round through holes 421 of the bottommost sliding plate 42, the other end of the steel wire rope 43 sequentially penetrates through the round through holes 421 in a folding manner and then is fixedly arranged on the tightening shaft 46, one end of the tightening shaft 46 is rotatably arranged in a groove arranged at the upper end of the first supporting column 44, the lower end of the first supporting column 44 is fixedly arranged on the preparation box body 1, the other end of the tightening shaft 46 penetrates through the second supporting column 47 and is fixedly arranged at the output end of the tightening motor 45, the tightening motor 45 is fixedly arranged at the upper end of the second supporting column 47, and the lower end of the second supporting column 47 is fixedly arranged on the preparation box body 1; the limiting rod 41 comprises a thread short rod 411, a square thread rod 412 and a gear ring 413, the thread short rod 411 is in threaded connection with the sliding plate 42, a rotary groove 4111 is formed in one end of the thread short rod 411, a rotary ring 4112 is arranged at the other end of the thread short rod 411, the rotary ring 4112 is rotatably arranged in the rotary groove 4111 to enable the thread short rods 411 to be connected end to end in sequence, one end of the square thread rod 412 is meshed with the transmission mechanism 3, the other end of the square thread rod 412 extends into a square through hole 4113 formed in the thread short rod 411, the bottommost thread short rod 411 is rotatably arranged in a groove formed in the preparation box 1 through the rotary ring 4112, the gear ring 413 is fixedly arranged at the upper end of the topmost thread short rod 411, the gear ring 413 is meshed with the transmission mechanism 3, and the square thread rod 412 is meshed with the transmission mechanism 3; the transmission mechanism 3 comprises a mounting frame 31, a first motor 32, a main gear 33, a hydraulic cylinder 34, a U-shaped sliding frame 35, a second motor 36 and a limiting gear 37, wherein the mounting frame 31 is fixedly arranged on the preparation box body 1, the first motor 32 is fixedly arranged on the mounting frame 31, the main gear 33 is fixedly arranged at the output end of the first motor 32, the main gear 33 is meshed with a gear ring 413, the hydraulic cylinder 34 is fixedly arranged on the mounting frame 31, the U-shaped sliding frame 35 is fixedly arranged at the output end of the hydraulic cylinder 34, the U-shaped sliding frame 35 is slidably arranged in a groove formed in the mounting frame 31, the second motor 36 is fixedly arranged on the U-shaped sliding frame 35, the limiting gear 37 is fixedly arranged at the output end of the second motor 36, and the limiting gear 37 is meshed with a square toothed bar 412;
the arrangement is that the raw material mixture for preparing the organic fertilizer is poured into the preparation box body 1, after the raw material mixture is fermented for a period of time, ventilation operation is needed, due to the fact that the density of the raw material mixture at the bottom in the preparation box body 1 is maximum, the raw material mixture is lowered layer by layer upwards, the lower ventilation effect is poor, at the moment, the first motor 32 is started, the first motor 32 drives the square through holes 4113 to rotate through the main gear 33, the square through holes 4113 drive the plurality of screw thread short rods 411 to synchronously rotate, the bottommost screw thread short rods 411 rotate, the sliding plate 42 on the square through holes 4113 is driven to move upwards, the sliding plate 42 moves to drive the plurality of steel wire ropes 43 to lift upwards, so that gaps among the raw material mixtures are increased, then the hydraulic cylinder 34 is started, the hydraulic cylinder 34 pushes the limit gear 37 to move forwards to be meshed with the square thread rods 412, the second motor 36 is started, the square thread rods 412 are driven to move upwards through the limit gear 37, the square thread short rods 412 are separated from the bottommost screw thread short rods 411, the hydraulic cylinder 34 contracts to enable the limit gear 37 to separate from the thread short rods 412, the rest of the motors are driven to rotate synchronously, the sliding plates are controlled by the first motor to rotate repeatedly, the different layers of the raw material mixture density can be adjusted, and different layers can be adjusted according to different layers, the different layers of the different layers of raw material density can be achieved;
the tightening motor 45 drives the tightening shaft 46 to rotate, so that the aim of controlling the tightness of the steel wire rope 43 is fulfilled.
Wherein, as shown in fig. 7, still including baffle 5, baffle 5 includes comb-shaped frame 51 and dentate rubber piece 52, and in two comb-shaped frames 51 inserted the recess that sets up on the preparation box 1 both sides respectively, dentate rubber piece 52 was installed to the gap department of comb-shaped frame 51, and wire rope 43 alternates in dentate rubber piece 52, so set up, start and stop raw materials mixture get into prevent piling up in mechanism 4, avoid the raw materials mixture to influence prevent piling up mechanism 4 operation.
As shown in fig. 8, the sealing cover 2 includes a main cover plate 21 and side cover plates 22, the two side cover plates 22 are located at two sides of the main cover plate 21, and through holes for displacement of the steel wire ropes 43 are formed in the side cover plates 22.
The application method of the microbial organic fertilizer preparation device comprises the following steps:
step one: opening the main cover plate 21, and pouring the mixed raw materials of the microbial organic fertilizer into the preparation box body 1;
step two: when the gap of the mixed raw materials in the preparation box body 1 needs to be controlled, the anti-accumulation mechanism 4 is controlled through the transmission mechanism 3, so that the folding steel wire ropes 43 are opened or contracted, the mixed raw materials around the steel wire ropes 43 are driven to open and close, and the gap size between the mixed raw materials is adjusted.
And step two, the number of folding layers of the steel wire rope 43 is pre-installed according to the requirement before the use, so that the size of a gap between mixed raw materials is accurately controlled.
In the second step, in the using process, the square toothed bar 412 is controlled by the limit gear 37 to move in the square through holes 4113 formed in the plurality of short threaded bars 411, so as to realize synchronous adjustment of different numbers of short threaded bars 411, and when the short threaded bars 411 rotate, the sliding plate 42 on the short threaded bars 411 is driven to slide, so that the folding angles of the steel wire ropes 43 in different areas are different, and the purpose of separately controlling the sizes of gaps in different areas of the mixed raw materials is achieved.
It will be understood that the application has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the application. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The microbial organic fertilizer preparation device comprises a preparation box body (1) and a sealing cover (2), wherein the sealing cover (2) is arranged on the preparation box body (1), and the microbial organic fertilizer preparation device is characterized in that a transmission mechanism (3) is arranged on the preparation box body (1), anti-accumulation mechanisms (4) are respectively arranged on two sides of the interior of the preparation box body (1), the two anti-accumulation mechanisms (4) are mirror symmetry, and the anti-accumulation mechanisms (4) are in transmission connection with the transmission mechanism (3);
the anti-accumulation mechanism (4) comprises a limit rod (41), a sliding plate (42), a steel wire rope (43), a first supporting column (44), a tightening motor (45), a tightening shaft (46) and a second supporting column (47), wherein the limit rod (41) is arranged on a preparation box body (1), the sliding plates (42) are arranged on the limit rod (41), the sliding plate (42) is slidably arranged in a groove arranged on the preparation box body (1), circular through holes (421) for limiting the steel wire rope (43) are formed in an array on the sliding plate (42), one end of the steel wire rope (43) is fixed in the circular through holes (421) of the sliding plate (42) at the bottommost part, the other end of the steel wire rope (43) sequentially penetrates through the circular through holes (421) in a folding mode and then is fixedly arranged on the tightening shaft (46), one end of the tightening shaft (46) is rotatably arranged in a groove arranged at the upper end of the first supporting column (44), the lower end of the first supporting column (44) is fixedly arranged on the preparation box body (1), the other end of the tightening shaft (46) penetrates through the second motor (47) to be fixedly arranged at the output end of the second supporting column (45) and fixedly arranged at the lower end of the second supporting column (47) on the preparation box body (47), the limit rod (41) comprises a screw thread short rod (411), a square toothed rod (412) and a gear ring (413), wherein the screw thread short rod (411) is in threaded connection with the sliding plate (42), a rotary groove (4111) is formed in one end of the screw thread short rod (411), a rotary ring (4112) is arranged at the other end of the screw thread short rod (411), the rotary ring (4112) is rotatably arranged in the rotary groove (4111) to enable a plurality of screw thread short rods (411) to be connected end to end in sequence, one end of the square toothed rod (412) is meshed with the transmission mechanism (3), the other end of the square toothed rod (412) extends into a square through hole (4113) formed in the screw thread short rod (411), the bottommost screw thread short rod (411) is rotatably arranged in a groove formed in the preparation box (1) through the rotary ring (4112), the gear ring (413) is fixedly arranged at the upper end of the topmost screw thread short rod (411), the gear ring (413) is meshed with the transmission mechanism (3), the transmission mechanism (3) comprises a motor (31), a main motor (32), a gear (33), a first gear (33), a second gear (33) and a first gear (31) is fixedly arranged on the first motor (31), a fixed carriage (37) and a second gear (37) are fixedly arranged on the first carriage (31), the output end of the first motor (32) is fixedly provided with a main gear (33), the main gear (33) is meshed with a gear ring (413), a hydraulic cylinder (34) is fixedly arranged on the mounting frame (31), the output end of the hydraulic cylinder (34) is fixedly provided with a U-shaped sliding frame (35), the U-shaped sliding frame (35) is slidably arranged in a groove formed in the mounting frame (31), the U-shaped sliding frame (35) is fixedly provided with a second motor (36), the output end of the second motor (36) is fixedly provided with a limiting gear (37), and the limiting gear (37) is meshed with a square toothed bar (412).
2. The microbial organic fertilizer preparation device according to claim 1, further comprising a baffle (5), wherein the baffle (5) comprises a comb-shaped frame (51) and toothed rubber sheets (52), the two comb-shaped frames (51) are respectively inserted into grooves formed in two sides of the preparation box body (1), the toothed rubber sheets (52) are arranged at gaps of the comb-shaped frames (51), and the steel wire ropes (43) are inserted into the toothed rubber sheets (52).
3. The microbial organic fertilizer preparation device according to claim 1, wherein the sealing cover (2) comprises a main cover plate (21) and side cover plates (22), the two side cover plates (22) are positioned on two sides of the main cover plate (21), and through holes for displacement of the steel wire ropes (43) are formed in the side cover plates (22).
4. A method of using the microbial organic fertilizer production apparatus of any one of claims 1-3, characterized by the steps of:
step one: opening the main cover plate (21), and pouring the mixed raw materials of the microbial organic fertilizer into the preparation box body (1);
step two: when the gap of the mixed raw materials in the preparation box body (1) needs to be controlled, the anti-accumulation mechanism (4) is controlled through the transmission mechanism (3), so that the folding steel wire ropes (43) are expanded or contracted, the mixed raw materials around the steel wire ropes (43) are driven to open and close, and the gap size between the mixed raw materials is adjusted.
5. The method for using the microbial organic fertilizer preparation device according to claim 4, wherein the second step is to pre-install the number of folding layers of the steel wire rope (43) according to the requirement before use, so as to realize accurate control of the size of the gap between the mixed raw materials.
6. The method of using a microbial organic fertilizer preparation device according to claim 4, wherein in the second step, in the using process, the square toothed bar (412) is controlled to move in the square through holes (4113) formed by the plurality of short threaded bars (411) through the limiting gear (37), so that different numbers of short threaded bars (411) can be synchronously adjusted, and when the short threaded bars (411) rotate, the sliding plate (42) on the short threaded bars is driven to slide, so that the folding angles of the steel wire ropes (43) in different areas are different, and the purpose of separately controlling the gap sizes of different areas of the mixed raw materials is achieved.
CN202211188468.9A 2022-09-28 2022-09-28 Microbial organic fertilizer preparation device and application method thereof Active CN115417705B (en)

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Application Number Priority Date Filing Date Title
CN202211188468.9A CN115417705B (en) 2022-09-28 2022-09-28 Microbial organic fertilizer preparation device and application method thereof

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Application Number Priority Date Filing Date Title
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CN115417705B true CN115417705B (en) 2023-09-22

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111875428A (en) * 2020-08-17 2020-11-03 汤先忠 Biological organic fertilizer production fermentation vat
CN215440274U (en) * 2020-12-28 2022-01-07 湖北绿道农业发展有限公司 Fermentation device for bio-organic fertilizer
CN215676483U (en) * 2021-08-26 2022-01-28 杭州星淼机械有限公司 Intermediate frequency furnace capable of preventing iron slag from accumulating

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111875428A (en) * 2020-08-17 2020-11-03 汤先忠 Biological organic fertilizer production fermentation vat
CN215440274U (en) * 2020-12-28 2022-01-07 湖北绿道农业发展有限公司 Fermentation device for bio-organic fertilizer
CN215676483U (en) * 2021-08-26 2022-01-28 杭州星淼机械有限公司 Intermediate frequency furnace capable of preventing iron slag from accumulating

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