CN112537975A

CN112537975A - Device for preparing organic fertilizer from sludge

Info

Publication number: CN112537975A
Application number: CN202011429445.3A
Authority: CN
Inventors: 董长松
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-03-23

Abstract

The invention discloses a device for preparing an organic fertilizer from sludge, which comprises a preparation shell, wherein a feed chute is formed in one side of the preparation shell, a feed hopper is communicated with one side of the feed chute, a feed mechanism is arranged at one end, close to the feed chute, of the feed hopper, a fixing chute is formed in the top of the preparation shell, heating and dehumidifying mechanisms are fixedly connected to the inner wall of the fixing chute, supporting plates are rotatably connected to two sides of the inner wall of the preparation shell through electric control rotating pins, a crushing and self-cleaning mechanism is arranged below the inner wall, close to the supporting plates, of the preparation shell, a door plate is rotatably connected to one side of the preparation shell through a hinge, a discharge hole is communicated below one side of the preparation shell, and a support is fixedly connected to the bottom of. This organic fertilizer device is prepared to mud has reached the degree of automation that has improved preparation organic fertilizer device, improves the work efficiency of device, has reduced worker's intensity of labour.

Description

Device for preparing organic fertilizer from sludge

Technical Field

The invention relates to the technical field of fertilizer processing, in particular to a device for preparing an organic fertilizer from sludge.

Background

The organic fertilizer is also called as 'farmyard manure', organic substances (compounds containing carbon elements) are used as fertilizers and are all called as organic fertilizers, including human excrement, stable manure, compost, green manure, cake manure, biogas manure and the like, and the organic fertilizers have the characteristics of multiple types, wide sources, long fertilizer efficiency and the like.

For example, chinese patent CN106244442B discloses a dry anaerobic fermentation process and apparatus for organic solid waste, wherein the process comprises placing high solid content domestic garbage, livestock and poultry feces, municipal sludge and other organic solid waste in a fermentation apparatus, performing intermittent medium temperature and high temperature dry anaerobic fermentation treatment by setting fermentation temperature and fermentation time in a mechanical stirring and continuous feeding manner, purifying and recovering biogas generated during fermentation process by special equipment, drying and pulverizing sludge to obtain powdery fermented material, and processing the fermented material to prepare organic fertilizer or building material.

The required amount of other elements of current preparation organic fertilizer device joining will depend on the worker to add, and the staff can't accurate control the required amount of adding, influences the use of fertilizer, and the equipment after the processing is difficult to clear up, increases worker's intensity of labour.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a device for preparing organic fertilizer from sludge, which solves the problems that the amount of other elements required by the device for preparing organic fertilizer is added by workers, the amount of the required elements cannot be accurately controlled by the workers, the use of the organic fertilizer is influenced, the processed equipment is difficult to clean, and the labor intensity of the workers is increased.

(II) technical scheme

To achieve the above object, the present invention provides the following technical solutions: a device for preparing organic fertilizer from sludge comprises a preparation shell, wherein a feeding groove is formed in one side of the preparation shell, one side of the feed chute is communicated with a feed hopper, one end of the feed hopper close to the feed chute is provided with a feed mechanism, the top of the preparation shell is provided with a fixed groove, the inner walls of the fixed grooves are fixedly connected with a heating and dehumidifying mechanism, the two sides of the inner wall of the preparation shell are rotatably connected with supporting plates through electric control rotating pins, a crushing self-cleaning mechanism is arranged below the inner wall of the preparation shell close to the supporting plates, one side of the preparation shell is rotationally connected with a door plate through a hinge, a discharge hole is communicated below one side of the preparation shell, the bottom fixedly connected with support of preparation casing has improved the degree of automation of preparation organic fertilizer device, improves the work efficiency of device, has reduced worker's intensity of labour.

Preferably, feed mechanism includes the magnet support, the inside magnet coil that is provided with of magnet support, the magnet support rotates through the bearing and is connected with the pivot, the both sides of pivot are all through the centre bore of magnet coil, the side fixedly connected with feed arrangement of pivot prevents that the worker from making the mistake touch at not expecting, makes heating dehumidification mechanism begin to heat and produces a large amount of hot-air, and the useless electric power of vain prevents the damage of device.

Preferably, feed arrangement includes the feeding casing, storage space has been seted up to the inside of feeding casing, the charge door has all been seted up to the side of feeding casing, inner wall one side top that storage space is close to the charge door is connected with the arc through the pivot rotation and hinders the material blade, the arc hinders one side that the material blade kept away from the charge door and is provided with the barrier plate, one side fixedly connected with elastic air cushion that the arc hinders the material blade is kept away from to the barrier plate, the one end and the feeding casing fixed connection that the barrier plate was kept away from to the elastic air cushion prevents that microelement from adding too big or too little and influencing the performance of organic fertilizer, and the cost is reduced improves the quality of organic fertilizer.

Preferably, both binding posts of the magnet coil are electrically connected with the heating and dehumidifying mechanism through conducting wires.

Preferably, heating and dehumidifying mechanism includes air heater, air heater's air output end fixedly connected with fixed plate, air heater's air output end intercommunication has the output pipeline, the through-hole has all been seted up to the side of output pipeline, the equal fixedly connected with check valve in inner wall side of through-hole, air heater's one end fixedly connected with cooling housing is kept away from to the output pipeline, the inlet port has been seted up to the one end that output pipeline was kept away from to the cooling housing, the inner wall side fixedly connected with backflow preventer of inlet port, the inner wall side below fixedly connected with bleed-off line of cooling housing, the one end inner wall fixedly connected with air exhaust device of cooling housing is kept away from to the bleed-off line, prevents that the air of taking out is overheated to scald the worker, prevents the too big peripheral environment of influence of air peculiar.

Preferably, the anti-backflow device comprises an anti-backflow shell, one side of the inner wall of the anti-backflow shell is fixedly connected with a connecting chute, two end-equal fixedly connected with limiting blocks of the connecting chute are arranged, two sides of the inner wall of the connecting chute are fixedly connected with guide columns, one side of each guide column is connected with a flow blocking ball through a sliding block in a sliding mode, the inside and the outside of the cooling shell are prevented from having air pressure difference, organic fertilizers are sucked into the cooling shell, and the device is damaged.

Preferably, the surfaces of the output pipeline and the cooling shell are both provided with a water resistor and a pressure resistor, and the water resistor and the pressure resistor are connected in series with the electric control rotating pin in the supporting plate through a conducting wire.

Preferably, smash self-cleaning mechanism including the installation casing, the inner wall bottom fixedly connected with spring of installation casing, the one end fixedly connected with brush head of installation casing is kept away from to the spring, the one end that the spring was kept away from to the brush head is provided with smashes the roll roller, makes it clear up automatically, reduces worker's work load, and the rate of utilization of improving device improves the device production, prevents that the worker from forgetting cleaning device and influencing after product quality.

Preferably, the two binding posts of the crushing rolling roller are electrically connected with the electric control rotating pin in the supporting plate through a conducting wire.

(III) advantageous effects

Compared with the prior art, the invention provides a device for preparing organic fertilizer from sludge. The method has the following beneficial effects:

(1) this organic fertilizer device of mud preparation, mud through after the fermentation drives feed mechanism and rotates, feed mechanism puts in other elements to the mud inside after the fermentation, start heating dehumidification mechanism through feed mechanism, mud after will fermenting is dried, after the drying, automatically controlled rotating pin drives the backup pad and removes, smash self-cleaning mechanism and start simultaneously, mud after the drying gets into through the backup pad and smashes the room and smash its shaping, the degree of automation of preparing organic fertilizer device has been improved, the work efficiency of high-speed device, worker's intensity of labour has been reduced.

(2) This organic fertilizer device of mud preparation, mud through after the fermentation drives feed arrangement and rotates, and feed arrangement drives the pivot and rotates in the bearing, and pivot cutting magnetism feels the line, and the electron has relative motion to magnetic field, makes it produce the electricity, makes heating dehumidification mechanism start, prevents that the worker from making the mistake touch at the nothing material, makes heating dehumidification mechanism begin to heat and produces a large amount of hot-air, and useless electric power prevents the damage of device.

(3) This organic fertilizer device of mud preparation, mud through after the fermentation drives the arc and hinders the material blade and remove, the arc hinders material blade extrusion barrier plate, the barrier plate drives the elastic air cushion and removes, make the arc hinder the material blade and keep away from the charge door, make inside the element of storage space add the mud after the fermentation inside, sludge flow control arc through after the fermentation hinders the distance that the material blade removed, thereby the content of element is added in the control, prevent that microelement from adding too big or too little and influencing the performance of organic fertilizer, reduce the cost, improve the quality of organic fertilizer.

(4) This organic fertilizer device of mud preparation, through air heater with the air heating drying back, make the air after the heating drying pass through the check valve in the output pipeline and get into, treat among the dry mud organic fertilizer, inside air suction cooling casing in with mud through air exhaust device, filter and remove the flavor back, gaseous through exhaust duct discharges, the inside steam of hot-air with mud organic fertilizer takes out, carry out the drying to mud organic fertilizer, prevent that the overheated worker scald of air of taking out, prevent the peripheral environment of the too big influence of air peculiar smell of taking out simultaneously.

(5) This organic fertilizer device is prepared to mud, through the inside dry back of output pipeline and the surperficial water resistance and the piezo-resistor response organic fertilizer of cooling casing, control air exhaust device closes, and the choked flow ball receives the influence of gravity, makes the choked flow ball pass through wire post and slider and inside the removal of connecting the spout, makes the choked flow ball flow back to the original point, makes backflow preventer close, prevents that there is the atmospheric pressure difference inside and outside the cooling casing, inhales the cooling casing with organic fertilizer inside, makes the device damage.

(6) This organic fertilizer device is prepared to mud, water resistance and the inside dry back of piezo-resistor response organic fertilizer through the surface of output pipeline and cooling housing, make automatically controlled rotating pin drive the backup pad and rotate, make simultaneously and smash the roll roller and begin work, smash the organic fertilizer after the drying, smash roll roller and rotate brush head department after smashing the organic fertilizer, brush head is cleared up crushing roll roller, brush head wearing and tearing back, the spring resumes to drive brush head and removes to crushing roll roller, make it clear up automatically, reduce worker's work load, the rate of utilization of improving device, the output of improving device, prevent that the worker from forgetting cleaning device and influencing after product quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the feeding mechanism of the present invention;

FIG. 4 is a schematic cross-sectional view of the feed mechanism of the present invention;

FIG. 5 is a schematic structural view of a heating and dehumidifying mechanism according to the present invention;

FIG. 6 is a schematic cross-sectional view of the heating and dehumidifying mechanism according to the present invention;

FIG. 7 is a schematic view of the structure of the backflow prevention device of the present invention;

FIG. 8 is a schematic structural view of a self-cleaning pulverizing mechanism according to the present invention.

In the figure: 1 preparing a shell, 2 feeding grooves, 3 feeding hoppers, 4 feeding mechanisms, 41 magnet supports, 42 magnet coils, 43 rotating shafts, 44 feeding devices, 441 feeding shells, 442 storage spaces, 443 feeding ports, 444 arc-shaped material blocking blades, 445 blocking plates, 446 elastic air cushions, 5 fixing grooves, 6 heating and dehumidifying mechanisms, 61 air heaters, 62 fixing plates, 63 output pipelines, 64 through holes and 65 one-way valves. 66 cooling shell, 67 air inlet holes, 68 backflow prevention device, 69 air exhaust pipeline, 610 air exhaust device, 681 backflow prevention shell, 682 connecting sliding groove, 683 limiting block, 684 guide post, 685 flow blocking ball, 7 supporting plate, 8 crushing self-cleaning mechanism, 81 mounting shell, 82 spring, 83 brush head, 84 crushing rolling roller, 9 door plate, 10 discharge hole and 11 support.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-2, the present invention provides a technical solution: a device for preparing organic fertilizer by sludge comprises a preparation shell 1, wherein one side of the preparation shell 1 is provided with a feed chute 2, one side of the feed chute 2 is communicated with a feed hopper 3, one end of the feed hopper 3, which is close to the feed chute 2, is provided with a feeding mechanism 4, the top of the preparation shell 1 is provided with a fixing groove 5, the inner wall of the fixing groove 5 is fixedly connected with a heating and dehumidifying mechanism 6, two sides of the inner wall of the preparation shell 1 are rotatably connected with a support plate 7 through an electric control rotating pin, a crushing and self-cleaning mechanism 8 is arranged below the inner wall of the preparation shell 1, which is close to the support plate 7, one side of the preparation shell 1 is rotatably connected with a door plate 9 through a hinge, one side of the preparation shell 1 is communicated with a discharge port 10, the bottom of the preparation shell 1 is fixedly connected with a support 11, when in use, the device is, other elements are put into to the inside of the mud after fermentation to feed mechanism 4, through feed mechanism 4 start-up heating dehumidification mechanism 6, the mud after will fermenting is dried, after the drying, automatically controlled rotating pin drives backup pad 7 and removes, smash self-cleaning mechanism 8 simultaneously and start, the mud after the drying gets into through the backup pad and smashes the room and smash its shaping, the degree of automation of preparing organic fertilizer device has been improved, the work efficiency of improving the device has reduced worker's intensity of labour.

Example two:

referring to fig. 1-4, the present invention provides a technical solution based on the first embodiment: a device for preparing organic fertilizer from sludge, wherein a feeding mechanism 4 comprises a magnet bracket 41, a magnet coil 42 is arranged in the magnet bracket 41, the magnet bracket 41 is rotatably connected with a rotating shaft 43 through a bearing, both sides of the rotating shaft 43 are respectively provided with a central hole of the magnet coil 42, the side surface of the rotating shaft 43 is fixedly connected with a feeding device 44, the feeding device 44 comprises a feeding shell 441, a storage space 442 is arranged in the feeding shell 441, the side surface of the feeding shell 441 is respectively provided with a feeding opening 443, the top of one side of the inner wall of the storage space 442 close to the feeding opening 443 is rotatably connected with an arc-shaped material blocking blade 444 through the rotating shaft, one side of the arc-shaped material blocking blade 444 away from the feeding opening 443 is provided with a barrier plate 445, one side of the barrier plate 445 away from the arc-shaped material blocking blade 444 is fixedly connected with an elastic air cushion 446, one end of the elastic air cushion 446 away from the barrier;

when the device is used, the fermented sludge drives the feeding device 44 to rotate, the feeding device 44 drives the rotating shaft 43 to rotate in the bearing, the rotating shaft 43 cuts a magnetic induction line, electrons move relative to a magnetic field to generate electricity, the fermented sludge drives the arc material blocking blades 444 to move, the arc material blocking blades 444 extrude the blocking plate 445, the blocking plate 445 drives the elastic air cushion 446 to move, the arc material blocking blades 444 are far away from the feeding port 443, elements in the storage space 442 are added into the fermented sludge, the moving distance of the arc material blocking blades 444 is controlled through the fermented sludge flow, so that the content of the added elements is controlled, the heating and dehumidifying mechanism 6 is started, the phenomenon that the heating and dehumidifying mechanism starts to heat to generate a large amount of hot air when no material is used and the electric power is wasted when no material is used by an operator is touched by mistake is prevented, the device is prevented from being damaged, and the influence on the use performance of the organic fertilizer due to too much or, reduce the cost and improve the quality of the organic fertilizer.

Example three:

referring to fig. 1-7, the present invention provides a technical solution based on the second embodiment: a device for preparing organic fertilizer from sludge, wherein two binding posts of a magnet coil 42 are electrically connected with a heating and dehumidifying mechanism 6 through leads, the heating and dehumidifying mechanism 6 comprises an air heater 61, an air output end of the air heater 61 is fixedly connected with a fixing plate 62, an air output end of the air heater 61 is communicated with an output pipeline 63, side surfaces of the output pipeline 63 are respectively provided with a through hole 64, side surfaces of inner walls of the through holes 64 are respectively and fixedly connected with a one-way valve 65, one end of the output pipeline 63 far away from the air heater 61 is fixedly connected with a cooling shell 66, one end of the cooling shell 66 far away from the output pipeline 63 is provided with an air inlet hole 67, side surfaces of inner walls of the air inlet holes 67 are respectively and fixedly connected with a backflow preventing device 68, an air exhaust pipeline 69 is fixedly connected below the side surfaces of the inner, the backflow prevention device 68 comprises a backflow prevention housing 681, a connecting sliding groove 682 is fixedly connected to one side of the inner wall of the backflow prevention housing 681, limiting blocks 683 are fixedly connected to both ends of the connecting sliding groove 682, guide posts 684 are fixedly connected to both sides of the inner wall of the connecting sliding groove 682, and a flow blocking ball 685 is slidably connected to one side of each guide post 684 through a sliding block;

when the sludge drying device is used, after air is heated and dried by the air heater 61, the heated and dried air enters through the check valve 65 in the output pipeline 63, the air in the sludge is pumped into the cooling shell 66 through the air exhaust device 610 to be filtered and deodorized, the air is exhausted through the air exhaust pipeline 69, the hot air carries out moisture in the sludge organic fertilizer to dry the sludge organic fertilizer, after the drying is carried out, the water resistance and the pressure resistance on the surfaces of the output pipeline 63 and the cooling shell 66 induce the drying in the organic fertilizer, the air exhaust device 610 is controlled to be closed, the flow resisting ball 685 is influenced by gravity, the flow resisting ball 685 moves in the connecting sliding groove 682 through the wire column 684 and the sliding block, the flow resisting ball 685 flows back to the original point, the backflow preventing device is closed, the carried-out air is prevented from being scalded by overheating, and the carried-out air odor is prevented from influencing the surrounding environment too much, prevent that the overheated worker of scalding the worker of air of taking out, prevent simultaneously that the air peculiar smell of taking out from too big influence peripheral environment.

Example four:

referring to fig. 1 to 8, the present invention provides a technical solution based on the third embodiment: a device for preparing organic fertilizer from sludge, wherein water resistance and pressure resistance are arranged on the surfaces of an output pipeline 63 and a cooling shell 66, the water resistance and the pressure resistance are connected with an electric control rotating pin in a supporting plate 7 in series through conducting wires, a crushing self-cleaning mechanism 8 comprises an installation shell 81, a spring 82 is fixedly connected to the bottom of the inner wall of the installation shell 81, one end of the spring 82 far away from the installation shell 81 is fixedly connected with a brush head 83, one end of the brush head 83 far away from the spring 82 is provided with a crushing rolling roller 84, two binding posts of the crushing rolling roller 84 are electrically connected with the electric control rotating pin in the supporting plate 7 through conducting wires, when in use, after the internal drying of the organic fertilizer is induced through the water resistance and the pressure resistance on the surfaces of the output pipeline 63 and the cooling shell 66, the electric control rotating pin drives the supporting plate 7 to rotate, after smashing rolling roller 84 and smashing organic fertilizer, smash rolling roller 84 and rotate brush head 83 department, brush head 83 clears up crushing rolling roller 84, brush head 83 wearing and tearing back, spring 82 resumes to drive brush head 83 and removes to smashing rolling roller 84, makes it clear up automatically, reduces worker's work load, the rate of utilization of improving the device, the improvement device production capacity prevents that the worker from forgetting cleaning device and influencing product quality after.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sludge preparation organic fertilizer device, is including preparing casing (1), its characterized in that: a feed chute (2) is arranged on one side of the preparation shell (1), a feed hopper (3) is communicated with one side of the feed chute (2), a feeding mechanism (4) is arranged at one end of the feeding hopper (3) close to the feeding groove (2), the top of the preparation shell (1) is provided with a fixed groove (5), the inner walls of the fixed groove (5) are fixedly connected with a heating and dehumidifying mechanism (6), two sides of the inner wall of the preparation shell (1) are rotatably connected with supporting plates (7) through electric control rotating pins, a crushing self-cleaning mechanism (8) is arranged below the inner wall of the preparation shell (1) close to the supporting plate (7), one side of the preparation shell (1) is rotationally connected with a door panel (9) through a hinge, a discharge hole (10) is communicated with the lower part of one side of the preparation shell (1), and a support (11) is fixedly connected to the bottom of the preparation shell (1).

2. The device for preparing organic fertilizer from sludge as claimed in claim 1, wherein: feed mechanism (4) include magnet support (41), magnet support (41) inside is provided with magnet coil (42), magnet support (41) rotate through the bearing and are connected with pivot (43), the centre bore of magnet coil (42) is all passed through to the both sides of pivot (43), the side fixedly connected with feed arrangement (44) of pivot (43).

3. The apparatus for preparing organic fertilizer from sludge according to claim 2, characterized in that: the feeding device (44) comprises a feeding shell (441), a storage space (442) is arranged inside the feeding shell (441), a feed inlet (443) is arranged on the side surface of the feeding shell (441), the top of one side of the inner wall of the storage space (442), which is close to the feed inlet (443), is rotatably connected with an arc-shaped material blocking blade (444) through a rotating shaft, one side, which is far away from the feed inlet (443), of the arc-shaped material blocking blade (444) is provided with a blocking plate (445), one side, which is far away from the arc-shaped material blocking blade (444), of the blocking plate (445) is fixedly connected with an elastic air cushion (446), and one end, which is far away from the blocking plate (445), of the elastic air cushion (446) is fixedly connected with.

4. The apparatus for preparing organic fertilizer from sludge according to claim 2, characterized in that: and two binding posts of the magnet coil (42) are electrically connected with the heating and dehumidifying mechanism (6) through conducting wires.

5. The device for preparing organic fertilizer from sludge as claimed in claim 1, wherein: the heating and dehumidifying mechanism (6) comprises an air heater (61), the air output end of the air heater (61) is fixedly connected with a fixing plate (62), the air output end of the air heater (61) is communicated with an output pipeline (63), the side surfaces of the output pipelines (63) are respectively provided with a through hole (64), the side surfaces of the inner walls of the through holes (64) are respectively fixedly connected with a one-way valve (65), one end of the output pipeline (63) far away from the air heater (61) is fixedly connected with a cooling shell (66), an air inlet hole (67) is arranged at one end of the cooling shell (66) far away from the output pipeline (63), the side surface of the inner wall of the air inlet hole (67) is fixedly connected with a backflow prevention device (68), an air exhaust pipeline (69) is fixedly connected below the side surface of the inner wall of the cooling shell (66), and an air extracting device (610) is fixedly connected to the inner wall of one end, far away from the cooling shell (66), of the air extracting pipeline (69).

6. The apparatus for preparing organic fertilizer from sludge according to claim 5, wherein: the backflow prevention device (68) comprises a backflow prevention shell (681), wherein a connecting sliding groove (682) is fixedly connected to one side of the inner wall of the backflow prevention shell (681), limiting blocks (683) are fixedly connected to two ends of the connecting sliding groove (682), guide columns (684) are fixedly connected to two sides of the inner wall of the connecting sliding groove (682), and a flow blocking ball (685) is connected to one side of each guide column (684) in a sliding mode through a sliding block.

7. The apparatus for preparing organic fertilizer from sludge according to claim 5, wherein: the surfaces of the output pipeline (63) and the cooling shell (66) are both provided with water resistors and pressure resistors, and the water resistors and the pressure resistors are connected in series with electric control rotating pins in the supporting plate (7) through conducting wires.

8. The device for preparing organic fertilizer from sludge as claimed in claim 1, wherein: smash self-cleaning mechanism (8) including installation casing (81), inner wall bottom fixedly connected with spring (82) of installation casing (81), the one end fixedly connected with brush head (83) of installation casing (81) are kept away from in spring (82), the one end of keeping away from spring (82) in brush head (83) is provided with crushing roller (84).

9. The device for preparing organic fertilizer from sludge as claimed in claim 1, wherein: and two wiring terminals of the crushing rolling roller (84) are electrically connected with an electric control rotating pin in the supporting plate (7) through a conducting wire.