阅读说明：本技术 一种有机肥带式传输的底层冲洗回收系统及回收处理方法 (Bottom layer flushing and recycling system and recycling method for belt conveying of organic fertilizer ) 是由 胡伟峰 于 2021-05-31 设计创作，主要内容包括：本发明公开了一种有机肥带式传输的底层冲洗回收系统及回收处理方法,包括传输皮带、冲洗装置、混合液导流装置、循环水箱和固液分离装置,所述冲洗装置的进液端连通于循环水箱内,且所述冲洗装置的出液端对应于传输皮带的下带面设置,所述传输皮带的下方对应于冲洗装置的出液端设置有混合液导流装置,所述混合液导流装置的出液端设置有固液分离装置,所述循环水箱连通于固液分离装置的液体层,导流后的混合溶液通过所述固液分离装置进行固液分离。能够快速有效的去除皮带表面的粘结层肥料,且对传输皮带无损伤。(The invention discloses a bottom layer flushing and recycling system for belt-type conveying of organic fertilizers and a recycling treatment method, wherein the bottom layer flushing and recycling system comprises a conveying belt, a flushing device, a mixed liquid diversion device, a circulating water tank and a solid-liquid separation device, the liquid inlet end of the flushing device is communicated with the circulating water tank, the liquid outlet end of the flushing device is arranged corresponding to the lower belt surface of the conveying belt, the mixed liquid diversion device is arranged below the conveying belt and corresponding to the liquid outlet end of the flushing device, the solid-liquid separation device is arranged at the liquid outlet end of the mixed liquid diversion device, the circulating water tank is communicated with a liquid layer of the solid-liquid separation device, and the mixed liquid after diversion is subjected to solid-liquid separation through the solid-liquid separation device. The tie coat fertilizer on the surface of the belt can be quickly and effectively removed, and the transmission belt is not damaged.)

1. The utility model provides a recovery system is washed to bottom of fertilizer belt conveyor which characterized in that: including transmission belt (1), washing unit (3), mixed liquid guiding device (4), circulating water tank (5) and solid-liquid separation equipment (6), the inlet end of washing unit (3) communicates in circulating water tank (5), just the play liquid end of washing unit (3) is provided with mixed liquid guiding device (4) corresponding to the lower area face setting of transmission belt (1), the below of transmission belt (1) is provided with mixed liquid guiding device (4) corresponding to the play liquid end of washing unit (3), the play liquid end of mixed liquid guiding device (4) is provided with solid-liquid separation equipment (6), circulating water tank (5) communicate in the liquid layer of solid-liquid separation equipment (6), and the mixed solution after the water conservancy diversion passes through solid-liquid separation equipment (6) carry out solid-liquid separation.

2. The bottom layer washing and recovering system for belt conveying of organic fertilizers as recited in claim 1, wherein: the solid-liquid separation device (6) comprises a separation container (10) and a centrifugal turbulence rod (11) coaxially and rotatably arranged in an inner cavity of the separation container (10), the centrifugal turbulence rod (11) comprises a rotating shaft (13) and a turbulence rod (12) vertically arranged at the shaft end of the rotating shaft (13), a separation liquid outlet (14) communicated with the circulating water tank (5) is formed in the upper wall body of the separation container (10), and a separation mud outlet (15) is formed in the lower part or the bottom wall body of the separation container (10); the mixed solution in the separation container (10) forms a lower-layer precipitation layer and an upper-layer liquid layer through centrifugal rotation of the centrifugal turbulence rod (11).

3. The bottom layer washing and recovering system for belt conveying of organic fertilizers as claimed in claim 2, wherein: a pre-separation cylinder (16) is arranged between the centrifugal turbulence rod (11) and a liquid outlet of the mixed liquid flow guide device (4), and the pre-separation cylinder (16) follows the rotating shaft (13); the mixed solution at the liquid outlet of the mixed solution flow guide device (4) is subjected to primary solid-liquid separation through the pre-separation cylinder body (16) before the centrifugal movement of the centrifugal turbulence rod (11).

4. The bottom layer washing and recovering system for belt conveying of organic fertilizers as claimed in claim 3, wherein: the pre-separation barrel (16) is of a barrel structure with openings at two ends, a plurality of separation holes (17) are formed in the wall body of the pre-separation barrel (16) in a penetrating manner, a liquid inlet at the top end of the pre-separation barrel (16) is communicated with a liquid outlet of the mixed liquid diversion device (4), a blind hole-shaped fluid diversion cavity (18) is formed in the rotating shaft (13) along the axial direction, the top end of the fluid diversion cavity (18) is opened and communicated with a liquid outlet at the bottom end of the pre-separation barrel (16), and a plurality of sludge outlets (19) are formed in the wall body at the bottom end of the fluid diversion cavity (18) and correspond to the inner cavity of the separation container;

under the rotating state of the mixed solution in the inner cavity of the pre-separation cylinder (16), the water solution and part of the fertilizer solvent enter the liquid layer from the plurality of separation holes (17), and the fertilizer solvent is precipitated downwards and enters the inner cavity of the separation container through the sludge outlet (19) and is mixed into the mixed solution under the centrifugal state.

5. The bottom layer washing and recovering system for belt conveying of organic fertilizers as claimed in claim 4, wherein: the device is characterized by further comprising a guide ring (20), wherein two ends of the guide ring (20) are respectively communicated with a liquid outlet of the mixed liquid guide device (4) and a liquid inlet of the separation container (10), the top end of the pre-separation barrel body (16) is coaxially arranged on the inner side of the guide ring (20) at intervals, and a liquid inlet channel (21) is formed between the pre-separation barrel body (16) and the guide ring (20); one part of mixed solution in the mixed solution guide device (4) directly enters the separation container (10) through the liquid inlet channel (21), and the other part of mixed solution enters the separation container through the pre-separation cylinder body (16).

6. The bottom layer washing and recovering system for belt conveying of organic fertilizers as claimed in claim 4, wherein: the diameter of preseparation barrel (16) is greater than the diameter of pivot (13), the inner chamber diameter of preseparation barrel (16) is greater than the diameter of fluid water conservancy diversion chamber (18) in advance, vortex rod (12) are located the below of separation liquid outlet (14), the below of vortex rod (12) is seted up to mud export (19) interval, just mud export (19) are located the top on sedimentation layer.

7. The bottom layer washing and recovering system for belt conveying of organic fertilizers as recited in claim 1, wherein: the drying device is characterized by further comprising a pumping device (7), a drying device (8) and a smashing device (9), wherein the drying device (8) is arranged above the conveying belt (1) corresponding to the distance between the feeding ends of the conveying belt (1), the feeding end of the pumping device (7) is communicated with a separated mud outlet (15) of the separating container (10), the discharging end of the pumping device (7) is arranged corresponding to the drying device (8), the discharging opening of the drying device (8) is arranged towards the upper belt surface discharging of the feeding end of the conveying belt (1), and the discharging end of the drying device (8) is provided with the smashing device (9); the organic fertilizer sludge pumped to the drying device (8) by the pumping device (7) is dried by the drying device (8) and then crushed by the flower crushing device (9), and the crushed dust particles are laid on the belt surface of the conveying belt (1).

8. The bottom layer washing and recovering system for belt conveying of organic fertilizer as claimed in claim 7, wherein: mummification device (8) contain conveyor belt mechanism (31) and set up drying mechanism (32) of conveyor belt mechanism (31) top, the direction of transmission of conveyor belt mechanism (31) is the same with the direction of transmission belt (1), fragmentation device (9) contain fragmentation rotor (29), fragmentation rotor (29) clearance sets up in the discharge end of conveyor belt mechanism (31), the pivot of fragmentation rotor (29) is on a parallel with the pivot axial of conveyor belt mechanism (31), fragmentation device (9) fragmentation the bio-fertilizer block of conveyor belt mechanism (31) discharge end.

9. The bottom layer washing and recovering system for belt conveying of organic fertilizer as claimed in claim 7, wherein: the drying device is characterized by further comprising a belt surface drying treatment assembly (22) arranged below the conveying belt (1), wherein the belt surface drying treatment assembly (22) is arranged between the feeding end of the conveying belt (1) and the flushing device (3), and the belt surface of the conveying belt (1) after being flushed passes through the belt surface drying treatment assembly (22) to be dried or wiped.

10. The bottom layer flushing and recycling system and the recycling method for the belt-type conveying of the organic fertilizer as claimed in claim 7, wherein the bottom layer flushing and recycling system comprises: the method comprises the following steps:

s1: organic fertilizer to be granulated is conveyed to the upper belt surface of the conveying belt (1) through the fertilizer feeding device (2), residual organic fertilizer on the lower belt surface of the bottom of the conveying belt (1) is extracted from a water solution in the circulating water tank (5) through the flushing device (3) for flushing, and a flushed mixed solution is collected and guided through the mixed solution guiding device (4);

s2: the mixed solution in the mixed solution diversion device (4) is diverted into an inner cavity of a pre-separation cylinder (16), under the rotating state of the mixed solution in the inner cavity of the pre-separation cylinder (16), the aqueous solution and part of fertilizer solvent enter a liquid layer from a plurality of separation holes (17), and the rest fertilizer solvent is precipitated downwards, enters the inner cavity of a separation container through a sludge outlet (19), is mixed into the mixed solution under the centrifugal state, and then participates in the centrifugal separation motion in the separation container (10);

s3: the mixed solution in separation container (10) carries out solid-liquid separation through centrifugation vortex pole (16), mixed solution in separation container (10) rotates the deposit layer that forms the lower floor and the liquid layer on upper strata through the centrifugation of centrifugation vortex pole (11), the liquid layer passes through the water pump and sends to circulation tank (5), the fertilizer fluid on deposit layer is pumped to drying device (8) through pump flow device (6) and is gone up to carry out the mummification and handle, the fertilizer after the mummification is handled carries out the fragmentation through fragmentation device (9) and is granule or powder, the fertilizer after the fragmentation falls on the area face to the feed end at transmission belt (1) in order to form dry powder bottom layer, fertilizer that fertilizer feed arrangement (2) flow out later falls on dry powder bottom layer.

Technical Field

The invention belongs to the field of organic fertilizer production, and particularly relates to a bottom layer flushing and recycling system and a bottom layer flushing and recycling method for belt conveying of organic fertilizers.

Background

The biological fertilizer is prepared by mixing organic matters as a base, and then adding microbial inoculum and inorganic fertilizer, can provide crop nutrition, improve soil, and disinfect soil, namely, pollutants of pesticides, herbicides, petrochemical products and other products in the soil are eliminated by microbial decomposition, and meanwhile, the biological fertilizer plays a role in repairing the soil. Because the biological fertilizer has no pollution to the environment, the biological fertilizer is more and more paid attention to, and the biological fertilizer plays an important role in future agricultural production. The raw materials of the biological fertilizer generally comprise animal wastes, domestic garbage, dead branches and rotten leaves, biogas residues, waste strains and the like, and the production of the biological fertilizer generally comprises the steps of fermentation, granulation, drying and the like.

In the process of conveying and conveying the biological fertilizer through the belt conveyor, the biological fertilizer still having certain humidity is adhered on the conveyor belt and cannot be completely removed, so that the adhesive layer on the surface of the conveyor belt is thick, and the long-term adhesive layer is difficult to remove. The mode that is commonly used at present is to scrape off the belt face under the belt through the scraper blade, and this mode makes the belt surface scratch easily appear, also causes the gigging on belt surface easily for the belt face is changeed the bonding fertilizer, and is more difficult to get rid of the tie coat.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a bottom layer flushing and recycling system and a recycling method for belt-type conveying of organic fertilizers, which can quickly and effectively remove bonding layer fertilizers on the surface of a belt and have no damage to the conveying belt.

The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a bottom of fertilizer belt transmission washes recovery system, includes transmission belt, washing unit, mixed liquid guiding device, circulation tank and solid-liquid separation equipment, washing unit's feed liquor end communicates in circulation tank, just washing unit's play liquid end sets up corresponding to the lower area face of transmission belt, the below of transmission belt is provided with mixed liquid guiding device corresponding to washing unit's play liquid end, mixed liquid guiding device's play liquid end is provided with solid-liquid separation equipment, circulation tank communicates in solid-liquid separation equipment's liquid layer, and mixed solution after the water conservancy diversion passes through solid-liquid separation equipment carries out solid-liquid separation.

Further, the solid-liquid separation device comprises a separation container and a centrifugal turbulence rod coaxially and rotatably arranged in an inner cavity of the separation container, the centrifugal turbulence rod comprises a rotating shaft and a turbulence rod vertically arranged at the shaft end of the rotating shaft, a separation liquid outlet communicated with the circulating water tank is formed in the upper wall body of the separation container, and a separation mud outlet is formed in the lower part or the bottom wall body of the separation container; and the mixed solution in the separation container forms a lower-layer precipitation layer and an upper-layer liquid layer through centrifugal rotation of the centrifugal turbulence rod.

Furthermore, a pre-separation cylinder is arranged between the centrifugal turbulence rod and a liquid outlet of the mixed liquid guiding device, and the pre-separation cylinder follows the rotating shaft; the mixed solution at the liquid outlet of the mixed solution diversion device is subjected to primary solid-liquid separation through the pre-separation cylinder body before the centrifugal movement of the centrifugal turbulence rod.

Furthermore, the pre-separation barrel is of a barrel structure with openings at two ends, a plurality of separation holes are formed in the wall body of the pre-separation barrel in a penetrating manner, a liquid inlet at the top end of the pre-separation barrel is communicated with a liquid outlet of the mixed liquid diversion device, a blind hole-shaped fluid diversion cavity is axially formed in the rotating shaft, an opening at the top end of the fluid diversion cavity is communicated with a liquid outlet at the bottom end of the pre-separation barrel, and a plurality of sludge outlets are formed in the wall body at the bottom end of the fluid diversion cavity, corresponding to an inner cavity of the separation container;

and when the mixed solution in the inner cavity of the pre-separation cylinder body rotates, the water solution and part of the fertilizer solvent enter the liquid layer from the separation holes, and the fertilizer solvent is precipitated downwards, enters the inner cavity of the separation container through the sludge outlet and is mixed into the mixed solution in a centrifugal state.

The device further comprises a guide ring, wherein two ends of the guide ring are respectively communicated with a liquid outlet of the mixed liquid guide device and a liquid inlet of the separation container, the top end of the pre-separation barrel is coaxial and is arranged on the inner side of the guide ring at intervals, and a liquid inlet channel is formed between the pre-separation barrel and the guide ring; one part of mixed solution in the mixed solution guide device directly enters the separation container through the liquid inlet channel, and the other part of mixed solution enters the separation container through the pre-separation barrel.

Further, the diameter of the pre-separation barrel is larger than that of the rotating shaft, the diameter of the inner cavity of the pre-separation barrel is larger than that of the fluid diversion cavity, the turbulence bar is located below the separation liquid outlet, the sludge outlet interval is arranged below the turbulence bar, and the sludge outlet is located above the sedimentation layer.

The drying device is arranged above the conveying belt corresponding to the feed end of the conveying belt in a spacing mode, the feed end of the flow pumping device is communicated with a mud separating outlet of the separating container, the discharge end of the flow pumping device is arranged corresponding to the drying device, a discharge port of the drying device is arranged in a discharge mode facing to the upper belt surface of the feed end of the conveying belt, and the discharge end of the drying device is provided with the smashing device; the pumping device pumps organic fertilizer sludge conveyed to the drying device, the organic fertilizer sludge is dried by the drying device and then crushed by the flower crushing device, and the crushed dust particles are laid on the belt surface of the conveying belt.

Further, the mummification device contains conveyor belt mechanism and sets up the stoving mechanism of conveyor belt mechanism top, conveyor belt mechanism's direction of transmission is the same with the direction of transmission belt, the fragmentation device contains the fragmentation rotor, the fragmentation rotor clearance sets up in conveyor belt mechanism's discharge end, the pivot of fragmentation rotor is on a parallel with conveyor belt mechanism's pivot axial, the fragmentation device fragmentation the bio-fertilizer block body of conveyor belt mechanism discharge end.

The belt drying device is characterized by further comprising a belt drying processing assembly arranged below the conveying belt, wherein the belt drying processing assembly is arranged between the feeding end of the conveying belt and the flushing device, and the belt surface of the conveying belt after being flushed is dried or wiped by the belt drying processing assembly.

A bottom layer flushing and recycling system and a recycling method for belt conveying of organic fertilizers comprise the following steps:

s1: the method comprises the following steps that materials of organic fertilizers to be granulated are conveyed to the upper belt surface of a conveying belt through a fertilizer feeding device, residual organic fertilizers on the lower belt surface of the bottom of the conveying belt are extracted from water solution in a circulating water tank through a flushing device for flushing, and flushed mixed solution is collected and guided through a mixed solution guiding device;

s2: the mixed solution in the mixed solution diversion device is diverted into an inner cavity of a pre-separation barrel, under the rotation state of the mixed solution in the inner cavity of the pre-separation barrel, the water solution and part of the fertilizer solvent enter a liquid layer from a plurality of separation holes, and the rest fertilizer solvent is precipitated downwards, enters an inner cavity of a separation container through a sludge outlet, is mixed into the mixed solution in the centrifugal state and then participates in the centrifugal separation motion in the separation container;

s3: the mixed solution in the separation container carries out solid-liquid separation through centrifugation vortex pole, mixed solution in the separation container rotates the deposit layer and the upper liquid layer that form the lower floor through the centrifugation of centrifugation vortex pole, and the liquid layer passes through water pump pumpingly to the circulating water tank in, and the fertilizer fluid on deposit layer carries out the mummification through pumping device pumpingly to the mummification device on, and the fertilizer after the mummification is handled carries out the fragmentation through the fragmentation device and is granule or powder, and the fertilizer after the fragmentation falls to on the face of taking at the feed end of transmission belt in order to form dry powder bottom layer, and the fertilizer that fertilizer feed arrangement flowed out later falls on the dry powder bottom layer.

Has the advantages that: according to the invention, by washing the belt surface of the conveying belt with water, the bonding layer fertilizer on the belt surface can be quickly and effectively removed, the conveying belt is not damaged, meanwhile, the removed organic fertilizer is subjected to solid-liquid separation, the aqueous solution liquid is recycled, and the organic fertilizer is collected and reprocessed.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic half-section of the overall structure of the present invention;

FIG. 3 is an enlarged view of the structure of part A of the present invention;

FIG. 4 is a perspective view showing a cut-away view of the internal structure of the centrifugal separator of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in attached figures 1 and 2, the bottom flushing and recycling system for belt-type conveying of organic fertilizer comprises a conveying belt 1, a flushing device 3, a mixed liquid diversion device 4, a circulating water tank 5 and a solid-liquid separation device 6, wherein a liquid inlet end of the flushing device 3 is communicated with the circulating water tank 5, a liquid outlet end of the flushing device 3 is arranged corresponding to the lower belt surface of the conveying belt 1 in a flushing mode, the lower belt surface of the conveying belt is flushed through the flushing device 3 to remove residual organic fertilizer bonding layers on the lower belt surface, the mixed liquid diversion device 4 is arranged below the conveying belt 1 and corresponding to a liquid outlet end of the flushing device 3, the mixed liquid diversion device 4 is a diversion groove and is used for containing flushing solution, the liquid outlet end of the mixed liquid diversion device 4 is provided with the solid-liquid separation device 6, the mixed liquid diversion device 4 comprises a diversion outlet which corresponds to a liquid inlet of the solid-liquid separation device, circulation tank 5 communicates in solid-liquid separation equipment 6's liquid layer, and the mixed solution after the water conservancy diversion passes through solid-liquid separation equipment 6 carries out solid-liquid separation, and water solution liquid carries out cyclic utilization in 23 refluxes to circulation tank 5 through the water pump, and the fertilizer after the separation is collected and is reprocessed, washes through the area face to transmission belt and carries out water, can quick effectual removal belt surface's tie coat fertilizer, and to transmission belt not damaged.

As shown in fig. 2 to 4, the solid-liquid separation device 6 includes a separation container 10 and a centrifugal turbulence bar 11 coaxially rotatably disposed in an inner cavity of the separation container 10, the centrifugal turbulence bar 11 includes a rotating shaft 13 and a turbulence bar 12 vertically disposed at an end of the rotating shaft 13, rotation of the centrifugal turbulence bar 11 generates a vortex in the separation container 10, and enables solid-liquid separation of floating liquid and sinking solid, a separation liquid outlet 14 communicated with the circulation water tank 5 is disposed on an upper wall of the separation container 10, and a separation mud outlet 15 is disposed on a lower portion or a bottom wall of the separation container 10; the mixed solution in the separation container 10 is rotated through the centrifugation of the centrifugal turbulence rod 11 to form a lower-layer precipitation layer and an upper-layer liquid layer, the aqueous solution liquid flows back to the circulating water tank 5 for recycling, and the separated organic fertilizer is collected and reprocessed.

As shown in fig. 3, a pre-separation cylinder 16 is arranged between the centrifugal spoiler bar 11 and the liquid outlet of the mixed liquid guiding device 4, and the pre-separation cylinder 16 follows the rotating shaft 13; the mixed solution at the liquid outlet of the mixed solution guiding device 4 is subjected to primary solid-liquid separation through the pre-separation cylinder 16 before the centrifugal movement of the centrifugal turbulence rod 11.

The pre-separation barrel 16 is of a barrel structure with openings at two ends, a plurality of separation holes 17 are formed in the wall body of the pre-separation barrel 16 in a penetrating manner, the separation holes 17 are of a small-hole structure and can filter large-particle organic fertilizer, part of sewage containing small-particle organic fertilizer can still pass through the separation holes, a liquid inlet at the top end of the pre-separation barrel 16 is communicated with a liquid outlet of the mixed liquid diversion device 4, a blind hole-shaped fluid diversion cavity 18 is axially formed in the rotating shaft 13 from top to bottom, the top end of the fluid diversion cavity 18 is provided with an opening and is communicated with a liquid outlet at the bottom end of the pre-separation barrel 16, and a plurality of sludge outlets 19 are formed in the wall body at the bottom end of the fluid diversion cavity 18 and correspond to the inner cavity of the separation container 10;

the mixed solution in the inner cavity of the pre-separation barrel 16 is in a rotating state, the aqueous solution in the pre-separation barrel 16 also generates centrifugal motion to a certain degree, the aqueous solution and part of fertilizer solvent enter the liquid layer from the separation holes 17, organic fertilizer particles in the liquid layer gradually precipitate downwards under the action of the centrifugal motion, the fertilizer solvent precipitates downwards and enters the inner cavity of the separation container through the sludge outlet 19 and is mixed into the mixed solution in the centrifugal state, so that most of the organic fertilizer particles are directly introduced into the lower-layer area, the rapid precipitation of the organic fertilizer particles is facilitated, and the precipitation period is greatly shortened.

On the other hand, the mixed solution among the mixed solution guiding device 4 passes through in the mixed solution guiding device 4 enters into centrifugal container 10 through the inseparability of preseparation barrel 16, and not directly passes through mixed solution guiding device 4 enters into centrifugal container, and the purpose is to prevent the impact interference to the centrifugal liquid of layering when mixed solution enters into, can effectually guarantee the continuation of centrifugal layering state, guarantees high-efficient, quick solid-liquid separation.

The device is characterized by further comprising a guide ring 20, wherein two ends of the guide ring 20 are respectively communicated with a liquid outlet of the mixed liquid guide device 4 and a liquid inlet of the separation container 10, the top end of the pre-separation cylinder 16 is coaxial and is arranged on the inner side of the guide ring 20 at intervals, and a liquid inlet channel 21 is formed between the pre-separation cylinder 16 and the guide ring 20; one part of the mixed solution in the mixed solution guiding device 4 directly enters the separation container 10 through the liquid inlet channel 21, and the other part of the mixed solution enters the separation container through the pre-separation cylinder 16. Through inlet channel 21, can increase mixed liquid and follow the speed that mixed liquid guiding device 4 enters into centrifugal container in, promote whole centrifugal filtration's efficiency.

The diameter of preseparation barrel 16 is greater than the diameter of pivot 13, the inner chamber diameter of preseparation barrel 16 is greater than the diameter of fluid water conservancy diversion chamber 18, vortex rod 12 is located the below of separation liquid outlet 14, 19 below in vortex rod 12 are seted up to mud export interval, just mud export 19 is located the top of precipitate layer, and the fertilizer solvent deposits downwards and enters into separation container's inner chamber and mixes to being in the mixed solution under the centrifugal state through mud export 19, can make the organic matter fluid after the sediment in further centrifugal separation, promotes solid-liquid separation's sufficiency.

Still including setting up the area face mummification processing unit 22 in transmission belt 1 below, area face mummification processing unit 22 sets up between transmission belt 1's feed end and washing unit 3, transmission belt 1 passes through the area face after the overshoot is washed and is dried or dry by wiping in area face mummification processing unit 22 to guarantee the aridity of transmission belt 1 area face, the caking property of organic fertilizer adhesion on area face during the reduction follow-up transportation.

The drying device 8 is arranged above the conveying belt 1 corresponding to the feeding end interval of the conveying belt 1, the feeding end of the pumping device 7 is communicated with a mud separating outlet 15 of the separating container 10, the discharging end of the pumping device 7 is arranged corresponding to the drying device 8, the discharging opening of the drying device 8 faces the upper belt surface discharging arrangement of the feeding end of the conveying belt 1, and the discharging end of the drying device 8 is provided with the smashing device 9; the pumping device 7 pumps organic fertilizer sludge conveyed to the drying device 8, the organic fertilizer sludge is dried by the drying device 8 and then crushed by the flower crushing device 9, and the crushed dust particles are laid on the belt surface of the conveying belt 1. The crushed bio-dry powder is uniformly laid on the upper belt surface of the conveyor belt 1 in the running state, and then bio-fertilizer on the fertilizer feeding device 2 is further laid on the dry powder layer and is conveyed forward by the belt conveyor. Through laying the dry powder layer on the surface of the conveyor belt, the moisture on the bottom layer in the follow-up biological fertilizer can be effectively adsorbed, the follow-up biological fertilizer and the surface of the conveyor belt are isolated, and the adhesion of the biological fertilizer on the surface of the conveyor belt is reduced.

Drying device 8 contains conveyor belt mechanism 31 and sets up the stoving mechanism 32 of conveyor belt mechanism 31 top, conveyor belt mechanism 31's direction of transmission is the same with the direction of transmission belt 1, the discharge end of bleeding device 7 is provided with the discharging pipe 24 that transversely is on a parallel with conveyor belt mechanism 31, discharging pipe 24 sets up along conveyor belt mechanism's width direction, a plurality of discharge wire casing have been seted up corresponding to the transfer surface on discharging pipe 24's the wall body, the fluid material of bleeding device 7 exhaust is evenly laid on conveyor belt mechanism 31's transfer surface through the discharge wire casing to dry through drying mechanism 32, fragmentation device 9 contains fragmentation rotor 29, fragmentation rotor 29 clearance sets up in conveyor belt mechanism 31's discharge end, fragmentation rotor 29's pivot is on a parallel with conveyor belt mechanism 31's pivot axial, fragmentation device 9 fragmentation the bio-fertilizer block of conveyor belt mechanism 31 discharge end, so that the crushed powder can be laid on the belt surface of the conveying belt.

A bottom layer flushing and recycling system and a recycling method for belt conveying of organic fertilizers comprise the following steps:

s1: the organic fertilizer to be granulated is conveyed to the upper belt surface of the conveying belt 1 through the fertilizer feeding device 2, the residual organic fertilizer on the lower belt surface of the bottom of the conveying belt 1 is extracted from the water solution in the circulating water tank 5 through the flushing device 3 for flushing, and the flushed mixed solution is collected and guided through the mixed solution guiding device 4;

s2: the mixed solution in the mixed solution diversion device 4 is diverted into the inner cavity of the pre-separation cylinder 16, under the rotation state of the mixed solution in the inner cavity of the pre-separation cylinder 16, the water solution and part of the fertilizer solvent enter a liquid layer from a plurality of separation holes 17, the rest fertilizer solvent is precipitated downwards, enters the inner cavity of the separation container through a sludge outlet 19 and is mixed into the mixed solution under the centrifugal state, and then participates in the centrifugal separation movement in the separation container 10;

s3: mixed solution in the separation vessel 10 carries out solid-liquid separation through centrifugation vortex pole 16, mixed solution in the separation vessel 10 rotates the deposit layer and the liquid layer on upper strata that form the lower floor through the centrifugation of centrifugation vortex pole 11, and the liquid layer passes through the water pump and sends to circulation tank 5 in, and the fertilizer fluid on deposit layer is pumped to carry out the mummification through pump flow device 6 and is handled to mummification 8 on, and the fertilizer after the mummification is handled carries out the fragmentation through fragmentation device 9 and is granule or powder, and the fertilizer after the fragmentation falls on the area face to the feed end at transmission belt 1 in order to form the dry powder bottom layer, and the fertilizer that fertilizer feed arrangement 2 flows later falls on the dry powder bottom layer.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.