CN217297632U - Self-returning cattle bed padding regeneration system - Google Patents
Self-returning cattle bed padding regeneration system Download PDFInfo
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- CN217297632U CN217297632U CN202220924363.4U CN202220924363U CN217297632U CN 217297632 U CN217297632 U CN 217297632U CN 202220924363 U CN202220924363 U CN 202220924363U CN 217297632 U CN217297632 U CN 217297632U
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- 241000283690 Bos taurus Species 0.000 title claims abstract description 40
- 230000008929 regeneration Effects 0.000 title claims abstract description 16
- 238000011069 regeneration method Methods 0.000 title claims abstract description 16
- 230000004151 fermentation Effects 0.000 claims abstract description 112
- 238000000855 fermentation Methods 0.000 claims abstract description 108
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 55
- 238000000926 separation method Methods 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 abstract description 16
- 239000001301 oxygen Substances 0.000 abstract description 16
- 239000003795 chemical substances by application Substances 0.000 abstract description 12
- 210000003608 fece Anatomy 0.000 abstract description 12
- 241000233866 Fungi Species 0.000 abstract description 11
- 239000007787 solid Substances 0.000 abstract description 9
- 239000008267 milk Substances 0.000 abstract description 8
- 235000013336 milk Nutrition 0.000 abstract description 8
- 210000004080 milk Anatomy 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 abstract description 3
- 238000010564 aerobic fermentation Methods 0.000 description 17
- 230000001580 bacterial effect Effects 0.000 description 9
- 238000012856 packing Methods 0.000 description 8
- 241001148470 aerobic bacillus Species 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 5
- 239000002068 microbial inoculum Substances 0.000 description 5
- 235000013365 dairy product Nutrition 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 208000004396 mastitis Diseases 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- -1 sawdust Substances 0.000 description 1
- 210000001082 somatic cell Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Fodder In General (AREA)
Abstract
The utility model discloses a self-returning cattle bed pad regeneration system, which comprises a solid-liquid separation system, a vertical auxiliary heating system, a filler screw, a fermentation roller and a discharge passage which are communicated in sequence; the fermentation drum is internally provided with a material returning device, and the material returning device sucks materials from the discharge end of the fermentation drum and sends the materials to the feed end of the fermentation drum. The utility model discloses handle milk cow dung through solid-liquid separation system, the solid that separates carries out the material intensification through vertical auxiliary heating system, reach the suitable reproduction temperature of good oxygen fungus, accelerate fermentation process, and the production efficiency is improved, after the material temperature rose to good oxygen bacterium agent suitable temperature, send into fermentation cylinder through the filler spiral and ferment in, the product after the part fermentation is sent to fermentation cylinder's feed end and follow-up material mixture through the returning charge device again and is fermented, because of containing super high temperature good oxygen fungus in the product after the fermentation, mix with fermentation cylinder front end feeding, good oxygen fungus breeds fast, accelerate good oxygen fermentation process.
Description
Technical Field
The utility model relates to a dirty treatment facility technical field of excrement especially relates to from returning material cow bed bedding material regeneration system.
Background
The ideal lying place of the dairy cow is a grassland environment, and the soft and comfortable grassland ensures that the dairy cow is fully protected and relaxed, so the bed design of the dairy cow also simulates the natural environment as much as possible. Common cow bed padding comprises sand, rice husks, sawdust, rubber pads and the like, and cow dung can be collected and dried in the sun and can also be used for being bedridden. The dried cow dung can be used as a bed-lying bedding, and the problem of partial excrement discharge can be solved, thereby achieving two purposes. Through research on the incidence rate of mastitis of cows and the change of somatic cell number of the cows after cow dung padding is used, the initial bacterial number of the cow dung padding has no obvious influence on the health of the cows, and the safety of the cow dung used as the cow bed padding is verified.
The milk cow lies on the bed for rest and ruminates about 50% -60% of the time each day, and the blood flow through mammary glands can be increased by 20% -25% when lying on the bed. Therefore, the comfortable lying of the cow can improve the nutrition efficiency and the milk yield. Through verification, the cow dung is used as padding, so that the use cost is low, the safety is good, and the nutrition efficiency and the milk yield can be improved. Chinese patent CN213523378U discloses a cow bed padding regeneration system, after cow dung is subjected to solid-liquid separation, a solid discharge end is provided with a buffer hopper, the lower end of the buffer hopper is provided with a filler screw, and the filler screw sends the solid separated from the solid into a rotatable fermentation drum. The materials are fermented in the fermentation roller for 12-24 hours, the germ killing rate in the fermentation product reaches more than 99 percent, and meanwhile, the moisture content reaches less than 50 percent, thereby meeting the use requirement of the cattle bed padding.
The problems with the above technique are as follows: in the prior art, no aerobic fermentation microbial inoculum is added, an aerobic fermentation environment is built in the roller, and the self aerobic bacteria in the dairy manure are utilized for fermentation. In the initial fermentation stage, the temperature and the moisture of the materials cannot meet the environment required by the reproduction of aerobic bacteria, so that the temperature of the materials is slowly increased, the time of the fermentation process is long, and the system yield is low. In view of this, we propose a self-returning cattle bedding recycling system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that solve lies in how to solve current milk cow dung and pass through the fermentation as the bedding and padding in-process, the fermentation initial stage, material temperature and moisture can not satisfy good oxygen fungus and breed the required environment, lead to the material to heat up slowly, and the fermentation process is long time, and system's output is low.
In order to solve the technical problem, the utility model provides a following technical scheme: the self-returning cattle bed padding regeneration system comprises a solid-liquid separation system, a vertical auxiliary heating system, a filling screw, a fermentation roller, a discharge channel and a returning device; the discharge end of the solid-liquid separation system is communicated with the feed end of the vertical auxiliary heating system; the discharge end of the vertical auxiliary heating system is communicated with the feed end of the fermentation drum through a filler screw; the discharging channel is arranged at the discharging end of the fermentation drum; the material returning device is arranged in the fermentation roller and sucks materials from the discharge end of the fermentation roller and sends the materials to the feed end of the fermentation roller.
The utility model discloses handle milk cow dung through solid-liquid separation system, the solid that separates carries out the material intensification through vertical auxiliary heating system, reach the suitable reproduction temperature of good oxygen fungus, accelerate fermentation process, and the production efficiency is improved, after the material temperature rose to good oxygen bacterium agent suitable temperature, send into fermentation cylinder through the filler spiral and ferment in, the product after the part fermentation is sent to fermentation cylinder's feed end and follow-up material mixture through the returning charge device again and is fermented, because of containing super high temperature good oxygen fungus in the product after the fermentation, mix with fermentation cylinder front end feeding, good oxygen fungus breeds fast, accelerate good oxygen fermentation process.
The utility model discloses a system adds superhigh temperature aerobic fermentation bacterial agent when fermentation for the first time, contains superhigh temperature aerobic bacteria in the fermentation after-production, and material temperature is higher more than reaching 80 ℃ simultaneously, and the moisture content is less than 50%, only needs to add fermentation bacterial agent stoste in the start-up process for the first time, and the material of treating after solid-liquid separation need not add superhigh temperature bacterial agent in succession to practiced thrift the cost input of superhigh temperature aerobic fermentation bacterial agent stoste, and provided more excellent aerobic fermentation environment for aerobic fermentation process.
The utility model discloses a with the returning charge device setting in fermentation cylinder, the mode of the inside returning charge of fermentation cylinder does not have calorific loss for outside returning charge mechanism.
Preferably, the solid-liquid separation system includes the speed reducer, just the solid-liquid separation chamber is installed to one side of speed reducer, solid-liquid separation chamber upper end is equipped with the feed inlet, the inside in solid-liquid separation chamber is provided with auger blade, auger shaft has been run through to auger blade's inside, solid-liquid separation chamber lower extreme is equipped with the discharge gate, the discharge gate with vertical auxiliary heating system's feed end intercommunication.
Preferably, the solid-liquid separation system is provided with two groups, namely a first-stage solid-liquid separator and a second-stage solid-liquid separator, and the discharge end of the first-stage solid-liquid separator is communicated with the feed end of the second-stage solid-liquid separator.
Preferably, the vertical auxiliary heating system is an electric auxiliary heating type.
Preferably, a material guide plate is arranged inside the fermentation drum and used for pushing the materials to move from the feeding end to the discharging end of the fermentation drum.
Preferably, a hot air interface is arranged on one side of the fermentation drum and communicated with an external hot air system to form a hot air auxiliary drying system.
Has the advantages that: through reserving hot air interface on one side of the fermentation drum, hot air or other hot wind energy generated by biogas combustion in a pasture can be introduced into the fermentation drum for auxiliary drying, an electric heating mode is replaced, and the operation cost is reduced.
Preferably, the material returning device comprises a rotating motor and a mandrel screw; the rotating motor is fixed on the outer side of the feeding end of the fermentation drum; one end of the mandrel spiral is coaxially and fixedly connected with an output shaft of the rotating motor, and the other end of the mandrel spiral extends into the fermentation drum and extends to the discharge end of the fermentation drum.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses handle milk cow dung through solid-liquid separation system, the solid that separates carries out the material intensification through vertical auxiliary heating system, reach the suitable reproduction temperature of good oxygen fungus, accelerate fermentation process, and the production efficiency is improved, after the material temperature rose to good oxygen bacterium agent suitable temperature, send into fermentation cylinder through the filler spiral and ferment in, the product after the part fermentation is sent to fermentation cylinder's feed end and follow-up material mixture through the returning charge device again and is fermented, because of containing super high temperature good oxygen fungus in the product after the fermentation, mix with fermentation cylinder front end feeding, good oxygen fungus breeds fast, accelerate good oxygen fermentation process.
2. The utility model discloses a system adds superhigh temperature aerobic fermentation bacterial agent when fermentation for the first time, contains superhigh temperature aerobic bacteria in the fermentation after-production, and material temperature is higher more than reaching 80 ℃ simultaneously, and the moisture content is less than 50%, only needs to add fermentation bacterial agent stoste in the start-up process for the first time, and the material of treating after solid-liquid separation need not add superhigh temperature bacterial agent in succession to practiced thrift the cost input of superhigh temperature aerobic fermentation bacterial agent stoste, and provided more excellent aerobic fermentation environment for aerobic fermentation process.
3. The utility model discloses a set up the returning charge device in fermentation cylinder, the mode of the inside returning charge of fermentation cylinder does not have calorific loss for outside returning charge mechanism.
4. Through reserving hot air interfaces at one side of the fermentation drum, hot air or other hot wind energy generated by biogas combustion in a pasture can be introduced into the fermentation drum for auxiliary drying, an electric heating mode is replaced, and the operation cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a self-returning cattle bed padding regeneration system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the material separating device according to the embodiment of the present invention.
The reference numbers illustrate:
1. a solid-liquid separation system; 11. a speed reducer; 12. a solid-liquid separation chamber; 13. a feed inlet; 14. a screw blade; 15. a packing auger shaft; 16. a discharge port; 2. a vertical auxiliary heating system; 3. filling material spiral; 4. a fermentation drum; 41. a material guide plate; 42. a hot air interface; 5. a discharge channel; 6. a material returning device; 61. rotating the motor; 62. the mandrel is screwed; 7. and a frame.
Detailed Description
In order to facilitate the technical solutions of the present invention to be understood by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Example one
As shown in fig. 1, the present embodiment provides a self-returning cattle bedding material regeneration system, which includes a solid-liquid separation system 1, a vertical auxiliary heating system 2, a packing screw 3, a fermentation drum 4, a discharge channel 5, a returning device 6, and a frame 7.
As shown in fig. 1, the solid-liquid separation system 1 of the present embodiment is disposed above the frame 7, the solid-liquid separation system 1 includes a primary solid-liquid separator and a secondary solid-liquid separator, a discharge end of the primary solid-liquid separator is communicated with a feed end of the secondary solid-liquid separator, in other embodiments, primary dewatering can be integrated in the system; the first-stage solid-liquid separation and the second-stage solid-liquid separation can be integrated into one device, and the moisture content of solid discharged materials is ensured; the first-stage solid-liquid separator and the second-stage solid-liquid separator of the present embodiment have the same structure, and therefore, the structure of the second-stage solid-liquid separator is referred to the structure of the first-stage solid-liquid separator.
Specifically, the solid-liquid separation system 1 comprises a speed reducer 11, a solid-liquid separation chamber 12 is installed on one side of the speed reducer 11, a feed inlet 13 is formed in the upper end of the solid-liquid separation chamber 12, an auger blade 14 is arranged inside the solid-liquid separation chamber 12, an auger shaft 15 penetrates through the auger blade 14, and a discharge outlet 16 is formed in the lower end of the solid-liquid separation chamber 12.
As shown in fig. 1, the discharge end of the vertical auxiliary heating system 2 is communicated with the feed end of the fermentation drum 4 through a packing screw 3.
As shown in fig. 1, the fermentation cylinder 4 of the present embodiment is rotatably connected to the vertical frame 7 through a rotating shaft, and the fermentation cylinder 4 is driven to rotate by an external driving motor, as shown in fig. 2, the direction of the arrow inside the fermentation cylinder 4 is the rotating direction thereof; a material guide plate 41 is arranged inside the fermentation roller 4 in the embodiment and used for pushing materials to move from a feeding end to a discharging end of the fermentation roller 4, and one end of the fermentation roller 4 is provided with the feeding end while the other end is provided with the discharging end;
the feeding end of the fermentation drum 4 of this embodiment is provided with a packing screw 3, the packing screw 3 is used for feeding the material after solid-liquid separation into the fermentation drum 4, and the packing screw 3 of this embodiment is a packing auger structure in the prior art.
As shown in figure 1, the discharging channel 5 is arranged at the discharging end of the fermentation drum 4, and the discharging channel 5 is arranged in an inclined way with a high starting end and a low terminating end.
As shown in fig. 1, the material returning device 6 of the present invention includes a rotating motor 61 and a mandrel screw 62; the rotating motor 61 is fixed at the outer side of the feeding end of the fermentation roller 4; one end of the mandrel spiral 62 is coaxially and fixedly connected with an output shaft of the rotating motor 61, the other end of the mandrel spiral 62 extends into the fermentation drum 4 and extends to the discharge end of the fermentation drum 4, the output shaft of the rotating motor 61 rotates to drive the mandrel spiral 62 to rotate, and then materials are sucked from the discharge end of the fermentation drum (4) and are conveyed to the feed end of the fermentation drum (4).
The working principle of the embodiment is as follows: the utility model provides a from returning charge cow bed bedding and padding regeneration system, the milk cow excrement carries out the solid behind the one-level solid-liquid separation through one-level solid-liquid separation machine, it carries out the secondary dehydration to get into this system second grade solid-liquid separation machine, the solid of isolating carries out the material through vertical auxiliary heating system 2 and heaies up, material temperature rises to after aerobic bacteria agent suitable temperature, send into fermentation cylinder 4 through packing spiral 3, the inside stock guide 41 that is provided with of fermentation cylinder 4, fermentation cylinder 4 is in the rotation in-process, through the impetus of stock guide 41, make the material slowly move to the discharge end by fermentation cylinder 4's feed end, after aerobic fermentation 6-12 hours, the material is discharged from fermentation cylinder 4's discharge end, the material temperature of discharging this moment reaches more than 80 ℃, the moisture content is less than 50%; the product at the rear end of the fermentation can be delivered to the feed end of the fermentation drum 4 through the mandrel screw 62, and the product after the fermentation contains ultrahigh-temperature aerobic bacteria which are mixed with the feed at the front end of the drum, so that the aerobic bacteria are rapidly propagated, and the aerobic fermentation process is accelerated.
The utility model discloses a system adds superhigh temperature aerobic fermentation microbial inoculum when fermentation for the first time, contains superhigh temperature aerobic fermentation fungus in the fermentation after-production, only needs to add fermentation microbial inoculum stoste in the start-up process for the first time, and the material of treating after solid-liquid separation need not add the superhigh temperature microbial inoculum in succession to practiced thrift the cost input of superhigh temperature aerobic fermentation microbial inoculum stoste, and provide more excellent aerobic fermentation environment for aerobic fermentation process.
The utility model discloses a with returning charge device 6 setting in fermentation cylinder 4, the mode of the inside returning charge of fermentation cylinder 4 does not have calorific loss for outside returning charge mechanism.
Example two
The difference between this embodiment and the first embodiment is: the vertical auxiliary heating system 2 of this embodiment can be integrated inside the fermentation cylinder 4, such as the inside conduction oil heating system of the fermentation cylinder 4, the outside electromagnetic heating system of the 4 feed ends of fermentation cylinder, etc.
The vertical auxiliary heating system 2 is an electric heating mode, if the electric heating is turned off, the system is a vertical conveying screw and has no heating function.
EXAMPLE III
As shown in fig. 1, the present embodiment is different from the above embodiments in that: in the embodiment, a hot air interface 42 is arranged on one side of the fermentation drum 4, the hot air interface 42 is communicated with an external hot air system to form a hot air auxiliary drying system, and hot air is introduced into the drum through the interface 42 by the hot air auxiliary drying system and contacts with a material for heat exchange to achieve the drying purpose.
Through reserving hot air interface 42 at one side of fermentation roller 4, hot air or other hot wind energy generated by biogas combustion in pasture can be introduced into fermentation roller 4 for auxiliary drying, an electric heating mode is replaced, and the operation cost is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (7)
1. From returning material cow bed bedding material regeneration system, its characterized in that: comprises a solid-liquid separation system (1), a vertical auxiliary heating system (2), a filler spiral (3), a fermentation roller (4), a discharge channel (5) and a material returning device (6); the discharge end of the solid-liquid separation system (1) is communicated with the feed end of the vertical auxiliary heating system (2); the discharge end of the vertical auxiliary heating system (2) is communicated with the feed end of the fermentation drum (4) through a filler screw (3); the discharging channel (5) is arranged at the discharging end of the fermentation drum (4); the material returning device (6) is arranged in the fermentation roller (4), and the material returning device (6) sucks materials from the discharging end of the fermentation roller (4) and sends the materials to the feeding end of the fermentation roller (4).
2. The self-returning cattle bed dunnage regeneration system of claim 1, wherein: solid-liquid separation system (1) includes speed reducer (11), just solid-liquid separation chamber (12) are installed to one side of speed reducer (11), solid-liquid separation chamber (12) upper end is equipped with feed inlet (13), the inside in solid-liquid separation chamber (12) is provided with auger blade (14), auger shaft (15) have been run through to the inside of auger blade (14), solid-liquid separation chamber (12) lower extreme is equipped with discharge gate (16), discharge gate (16) with the feed end intercommunication of vertical auxiliary heating system (2).
3. The self-returning bovine bedding dunnage regeneration system of claim 2, wherein: the solid-liquid separation system (1) is provided with two groups, namely a first-stage solid-liquid separator and a second-stage solid-liquid separator, wherein the discharge end of the first-stage solid-liquid separator is communicated with the feed end of the second-stage solid-liquid separator.
4. The self-returning bovine bedding dunnage regeneration system of claim 2, wherein: the vertical auxiliary heating system (2) is an electric auxiliary heating type.
5. The self-returning cattle bed dunnage regeneration system of claim 1, wherein: the fermentation roller (4) is internally provided with a material guide plate (41) for pushing the material to move from the feeding end to the discharging end of the fermentation roller (4).
6. The self-returning bovine bedding dunnage regeneration system of claim 5, wherein: one side of the fermentation drum (4) is provided with a hot air interface (42), and the hot air interface (42) is communicated with an external hot air system to form a hot air auxiliary drying system.
7. The self-returning bovine bedding dunnage regeneration system of claim 1, wherein: the material returning device (6) comprises a rotating motor (61) and a mandrel screw (62); the rotating motor (61) is fixed on the outer side of the feeding end of the fermentation drum (4); one end of the mandrel spiral (62) is coaxially and fixedly connected with an output shaft of the rotating motor (61), and the other end of the mandrel spiral (62) extends into the fermentation drum (4) and extends to the discharge end of the fermentation drum (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220924363.4U CN217297632U (en) | 2022-04-21 | 2022-04-21 | Self-returning cattle bed padding regeneration system |
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| CN202220924363.4U CN217297632U (en) | 2022-04-21 | 2022-04-21 | Self-returning cattle bed padding regeneration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116693145A (en) * | 2022-10-17 | 2023-09-05 | 广东益康生环保设备有限公司 | Cattle bedding fermentation tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116693145A (en) * | 2022-10-17 | 2023-09-05 | 广东益康生环保设备有限公司 | Cattle bedding fermentation tank |
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Effective date of registration: 20240115 Address after: Room 213, 2nd Floor, Building 8, No. 2 Courtyard of Longxiang Plate Making Group, Huilongguan, Changping District, Beijing, 101405 Patentee after: Zhongnongchuangda (Beijing) Environmental Protection Technology Co.,Ltd. Address before: 101405 Beijing city Huairou District Bohai town Huai Sha Road No. 536 Patentee before: Zhongnongchuangda (Beijing) Environmental Protection Technology Co.,Ltd. Patentee before: Zhongnong Chuangda (Inner Mongolia) Soil Rehabilitation Technology Co.,Ltd. |
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