CN107954766B - Natural organic fertilizer preparation system and working method thereof - Google Patents
Natural organic fertilizer preparation system and working method thereof Download PDFInfo
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- CN107954766B CN107954766B CN201711364732.9A CN201711364732A CN107954766B CN 107954766 B CN107954766 B CN 107954766B CN 201711364732 A CN201711364732 A CN 201711364732A CN 107954766 B CN107954766 B CN 107954766B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
- C05F5/002—Solid waste from mechanical processing of material, e.g. seed coats, olive pits, almond shells, fruit residue, rice hulls
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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
Abstract
The invention discloses a natural organic fertilizer preparation system, which comprises a sewage inlet pipe, a sewage outlet pipe and a switching device, wherein the sewage inlet pipe is connected with the sewage outlet pipe; the switching device comprises a first connecting pipe, a second connecting pipe and a first rotating shaft; the first connecting pipe and the second connecting pipe are symmetrical about a first rotating shaft; the first connecting pipe and the second connecting pipe rotate around a first rotating shaft; the adapter device also comprises a U-shaped pipe; two ends of the U-shaped pipe are respectively communicated with the first connecting pipe and the second connecting pipe; fixing rings are arranged at corners on two sides in the U-shaped pipe; a plurality of fragments are arranged in the fixed ring; when the switching device operates, the positions of the first connecting pipe and the second connecting pipe are alternately switched, the fragments on the fixing ring are washed by water flow in a two-way mode, large mud blocks in sewage can be scattered by the fragments, and sludge blocks adhered to the fragments can be washed clean by the sewage flowing in the two directions, so that self-cleaning is realized.
Description
Technical Field
The invention relates to the field of feed preparation, in particular to a natural organic fertilizer preparation system.
Background
At present, soil stoves are adopted in some underdeveloped areas, and most of the used fuel is crop waste such as straws, corn leaves, corn cobs and the like. The soil stoves have simple structure and insufficient combustion, and the exhausted smoke can seriously pollute the atmosphere, but the phenomenon is often forbidden. On the other hand, planting needs a large amount of fertilizer, and the simple purchase also increases the burden of farmers. The crop waste can be fermented together with domestic wastewater and sludge cleaned in nearby riverways and culture fishponds to generate organic fertilizer, so that the pollution problem caused by burning of straws and the like can be reduced, and sewage containing impurities such as sludge can be utilized. Therefore, a clean and efficient natural organic fertilizer preparation system is needed to be invented.
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 clean and efficient natural organic fertilizer preparation system.
The technical scheme is as follows: in order to achieve the purpose, the natural organic fertilizer preparation system comprises a sewage inlet pipe, a sewage outlet pipe and a switching device; the switching device comprises a first connecting pipe, a second connecting pipe and a first rotating shaft; the first connecting pipe is arranged corresponding to the sewage inlet pipe; the second connecting pipe is arranged corresponding to the sewage outlet pipe; the first connecting pipe and the second connecting pipe are symmetrical about a first rotating shaft; the first and second connection pipes rotate about a first rotation axis.
Further, the sewage inlet pipe, the sewage outlet pipe, the first connecting pipe and the second connecting pipe are arranged in parallel; the pipe diameters of the sewage inlet pipe and the sewage outlet pipe are equal; the switching device also comprises a guide rail disc; the guide rail disc is arranged on the switching device and matched with the sewage inlet pipe and the sewage outlet pipe; the guide rail disc is perpendicular to the first connecting pipe; the guide rail disc is provided with a first through hole, a second through hole and an annular guide rail; the first through hole is communicated with the first connecting pipe in a matching way; the second through hole is communicated with the second connecting pipe in a matching way; the annular guide rail is matched with the sewage inlet pipe and the sewage outlet pipe; the distance between the sewage inlet pipe and the sewage outlet pipe is equal to the diameter of the annular guide rail; the first through hole and the second through hole are communicated with the annular guide rail.
Further, the adapter device also comprises a U-shaped pipe; two ends of the U-shaped pipe are respectively communicated with the first connecting pipe and the second connecting pipe; the U-shaped pipe is arranged on the first rotating shaft; the U-shaped pipe is of a symmetrical structure; fixing rings are arranged at corners on two sides in the U-shaped pipe; the cross section of the fixing ring is vertical to the pipeline direction of the U-shaped pipe; a plurality of fragments are arranged in the fixed ring; the length direction of the fragments is consistent with the pipeline direction of the U-shaped pipe.
Furthermore, two sides of the fragment in the length direction are symmetrically arranged relative to the fixing ring; the thickness of the fragments is gradually reduced from the center to two sides; the plurality of fragments are arranged in the fixed ring in a grid mesh shape; the thicknesses of the adjacent fragments are different.
Furthermore, a plurality of air holes are uniformly formed in the inner side of the fixing ring along the circumferential direction; a gas hose is arranged at the position of the outer side of the U-shaped pipe corresponding to the fixing ring; the air conveying hose is communicated with the air hole; the inlet end of the gas transmission hose is communicated with the outlet end of the powder feeding cavity; the inlet end of the powder feeding cavity is communicated with the outlet end of the fan.
Further, a powder feeder is arranged at the upper end of the powder feeding cavity; the powder feeder comprises a powder feeding cavity and a rotary valve; the bottom of the powder feeding cavity is communicated with the powder feeding cavity; the rotary valve is arranged at the bottom of the powder inlet cavity; the rotary valve seals the bottom of the powder inlet cavity; the rotary valve comprises a second rotary shaft and fan blades; the second rotating shaft is connected with the first rotating shaft through a transmission device.
Furthermore, the fan blades are circumferentially and uniformly distributed around the second rotating shaft; the fan blades are provided with guide grooves; the length direction of the flow guide groove is the same as the extension direction of the fan blades; the guide grooves are uniformly distributed at intervals; and electromagnetic vibrators are arranged at two ends of the second rotating shaft.
Further, the device also comprises a feeding device and a sedimentation tank; the inlet end of the feeding device is arranged corresponding to the outlet end of the sewage outlet pipe; the feeding device comprises an auxiliary material box, a fodder chopper, a conveying belt and a grinding mill; the auxiliary material box is arranged at the inlet end of the conveyor belt; the guillotine is arranged on a conveying path of the conveying belt; the outlet end of the sewage outlet pipe is arranged above the inlet end of the grinding rolls; the outlet end of the conveying belt is arranged between the outlet end of the sewage outlet pipe and the inlet end of the grinding mill in the vertical direction; the sedimentation tank is arranged below the outlet end of the grinding rolls.
Further, the sedimentation tank comprises an inner tank and an outer tank; the outer pool surrounds the inner pool in a ring shape; the projection of the outlet end of the crusher in the vertical direction is in the range of the inner pool; a screen is arranged on the side wall of the inner tank; the bottom of the screen is higher than the top of the outer tank.
A working method of a natural organic fertilizer preparation system comprises the following steps: when the natural organic fertilizer preparation system works, the sewage inlet pipe conveys sewage into the sewage outlet pipe through the switching device, then the sewage enters the feeding system from the sewage outlet pipe, and finally falls into the sedimentation tank together with auxiliary materials after being mixed;
when the switching device works, the first rotating shaft drives the first connecting pipe and the second connecting pipe to periodically rotate and exchange positions, so that sewage periodically flows in two directions in the switching device; when sewage flows through the U-shaped pipe, the larger sludge is scattered by the fragments, and meanwhile, fermentation powder in the powder inlet cavity is uniformly mixed into the sewage through the air holes; the powder feeding amount of the powder feeder is controlled by a rotary valve arranged at an outlet at the bottom of the powder feeding cavity, and because the second rotary shaft is connected with the first rotary shaft through a transmission device, when the switching device rotates once, the rotary valve rotates a certain angle along with the rotary valve, the fermentation powder in the powder feeding cavity is pulled into the powder feeding cavity by the fan blades and reaches the air hole through the air conveying hose under the blowing of the fan; the sewage mixed with the fermentation powder enters the grinding mill from the sewage outlet pipe, meanwhile, crop wastes such as straws, corncobs and the like in the auxiliary material box are cut up by a chopper and conveyed to the grinding mill by a conveyor belt, and the crop wastes are mixed with the sewage, further ground by the grinding mill and finally fall into the inner pool; the solid in the inner pool can settle, and the water in the inner pool can flow into the outer pool through the screen; the settled solid in the inner tank can be fermented and finally become the natural organic fertilizer.
Has the advantages that: according to the natural organic fertilizer preparation system, the switching device is utilized to efficiently break large sludge in sewage, so that subsequent pipeline blockage is avoided, and the overall processing efficiency is improved; the air holes in the fixing ring are utilized to realize uniform powder feeding in the flowing process of the sewage, so that the later complicated stirring process is avoided; the arrangement of the feeding device enables the sewage and the chopped auxiliary materials to be mixed simultaneously in further crushing; the sedimentation tank can effectively filter water in the mixture through the design of the inner tank and the outer tank.
Drawings
FIG. 1 is a schematic structural view of the adapter;
FIG. 2 is a schematic view of the position of the retaining ring;
FIG. 3 is a schematic view of the arrangement of the fragments;
FIG. 4 is an enlarged view of a portion of the arrangement of the fragments;
FIG. 5 is a schematic view of the structure of the air hole and the air hose;
FIG. 6 is a schematic structural view of a powder feeding chamber and a powder feeder;
FIG. 7 is an enlarged partial view of the vicinity of the rotary valve;
FIG. 8 is a schematic view of the feed apparatus;
FIG. 9 is a schematic structural diagram of a settling tank.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached figure 1, the natural organic fertilizer preparation system comprises a sewage inlet pipe 1, a sewage outlet pipe 2 and a switching device 3; the adapter device 3 comprises a first connecting pipe 31, a second connecting pipe 32 and a first rotating shaft 33; the first connecting pipe 31 is arranged corresponding to the sewage inlet pipe 1; the second connecting pipe 32 is arranged corresponding to the sewage outlet pipe 2; the first adapter 31 and the second adapter 32 are symmetrical about a first rotation axis 33; the first adapter 31 and the second adapter 32 rotate about a first rotation axis 33; the first adapter 31 and the second adapter 32 are rotated 180 ° each time around the first rotation axis 33 to interchange the positions of the two adapters.
As shown in fig. 1, the sewage inlet pipe 1, the sewage outlet pipe 2, the first connecting pipe 31 and the second connecting pipe 32 are arranged in parallel; the guide plate 35 is arranged perpendicular to the first adapter 31; the pipe diameters of the sewage inlet pipe 1 and the sewage outlet pipe 2 are equal; the adapter 3 further comprises a guide plate 35; the guide rail disc 35 is arranged on the switching device 3 and is matched with the sewage inlet pipe 1 and the sewage outlet pipe 2; the guide rail disc 35 is provided with a first through hole 351, a second through hole 352 and an annular guide rail 353; the first through hole 351 is in matched communication with the first connecting pipe 31; the second through hole 352 is in matching communication with the second adapter tube 32; the annular guide rail 353 is matched with the sewage inlet pipe 1 and the sewage outlet pipe 2; the distance between the sewage inlet pipe 1 and the sewage outlet pipe 2 is equal to the diameter of the annular guide rail 353; the first through hole 351 and the second through hole 352 are communicated with the annular guide rail 353; in the initial position, sewage flows out of the sewage inlet pipe 1, sequentially passes through the first through hole 351, the first connecting pipe 31, the second connecting pipe 32 and the second through hole 352, and then enters the sewage outlet pipe 2; after the switching device 3 rotates once, the sewage flows out of the sewage inlet pipe 1, sequentially passes through the second through hole 352, the second connecting pipe 32, the first connecting pipe 31 and the first through hole 351, and then enters the sewage outlet pipe 2; the switching device 3 returns to the initial state after rotating again; the switching device 3 can enable sewage to alternatively wash the pipeline in two directions through rotation to prevent clogging; the guide rail disc 35 is matched with the sewage inlet pipe 1 and the sewage outlet pipe 2 through the annular guide rail 353, so that the rotating process is more stable and is not easy to misplace.
As shown in fig. 1, the adapter 3 further comprises a U-shaped tube 34; two ends of the U-shaped pipe 34 are respectively communicated with the first connecting pipe 31 and the second connecting pipe 32; the U-shaped pipe 34 is mounted on the first rotating shaft 33; the U-shaped pipe 34 is of a symmetrical structure; as shown in fig. 2, the fixing rings 341 are arranged at the corners of two sides in the U-shaped pipe 34, and the water flow turns at the corners, so that the sludge block crushing effect is the best; a plurality of fragments 342 are arranged in the fixing ring 341; the length direction of the fragments 342 is consistent with the pipeline direction of the U-shaped pipe 34, so that the blades of the fragments 342 are ensured to be over against water flow to realize the maximization of sludge block crushing efficiency; the cross section of the fixing ring 341 is perpendicular to the pipeline direction of the U-shaped pipe 34, so that the impact on each part in the cross section of the fixing ring 341 is uniform.
As shown in fig. 3 and fig. 4, the two sides of the length direction of the fragments 342 are symmetrically arranged with respect to the fixing ring 341, the water flow can alternatively wash the U-shaped pipe 34 in two directions along with the rotation of the adapter 3, and the symmetrical arrangement of the fragments 342 can ensure the balance of the sludge removal capacity at the two sides; the thickness of the fragments 342 is gradually reduced from the center to two sides, and when the fragments 342 are embedded into the sludge block, the notches are in a wedge shape due to the uneven thickness of the surface, so that the sludge block is easier to fall off under the impact of subsequent water flow; the plurality of fragments 342 are arranged in the fixed ring 341 in a grid mesh shape, so that the defect that a single fragment 342 is poor in impact resistance and easy to deform is overcome, and the size of the allowed sludge block can be controlled through the gap between the fences on the premise of ensuring the normal passing of water flow, so that the high-efficiency sludge breaking is realized; the thickness of the adjacent fragments 341 is different, and the thickness of the notches formed by the mutual collision with the sludge block is different, so that the sludge block can fall off.
As shown in fig. 5, a plurality of air holes 343 are uniformly formed in the inner side of the fixing ring 341 along the circumferential direction; a gas hose 344 is arranged on the outer side of the U-shaped pipe 34 corresponding to the position of the fixing ring 341; a branch pipe is led out from the air hose 344 and passes through the U-shaped pipe 34 to be communicated with the air hole 343; as shown in fig. 6, the inlet end of the air hose 344 is communicated with the outlet end of the powder feeding chamber 345; the inlet end of the powder feeding chamber 345 is communicated with the outlet end of the fan 346.
As shown in fig. 6, a powder feeder 347 is installed at the upper end of the powder feeding cavity 345; the powder feeder 347 comprises a powder feeding cavity 3471 and a rotary valve 3472; the bottom of the powder inlet cavity 3471 is communicated with the powder feeding cavity 345; the rotary valve 3472 is arranged at the bottom of the powder inlet cavity 3471; the rotary valve 3472 seals the bottom of the powder feeding cavity 3471; the rotary valve 3472 includes a second rotary shaft 3473 and fan blades 3474; the second rotating shaft 3473 is connected to the first rotating shaft 33 through a transmission.
As shown in fig. 7, a plurality of fan blades 3474 are circumferentially and uniformly distributed around a second rotating shaft 3473; a flow guide groove 3475 is formed in the fan blade 3474; the length direction of the flow guide groove 3475 is the same as the extension direction of the fan blade 3474; the guide grooves 3475 are uniformly distributed at intervals; when the rotary valve 3472 rotates, the fan blade 3474 pulls out the fermentation powder in the upper powder feeder 347, when the fan blade 3474 rotates to the downward position, the fermentation powder falls down to the powder feeding cavity 345 along the guiding groove 3475, and is then blown into the air conveying hose 344 by the fan 346, and finally the electromagnetic vibrators 3476 are installed at two ends of the second rotating shaft 3473 dissolved into the sewage by the air holes 343, so that the fermentation powder in the guiding groove 3475 can be promoted to fall by vibration, and the fermentation powder is prevented from adhering to the surface of the guiding groove 3475.
As shown in the attached fig. 8 and 9, the device also comprises a feeding device 4 and a sedimentation tank 5; the inlet end of the feeding device 4 is arranged corresponding to the outlet end of the sewage outlet pipe 2; the feeding device 4 comprises an auxiliary box 41, a fodder chopper 42, a conveyor belt 43 and a grinding mill 44; the auxiliary box 41 is arranged at the inlet end of the conveyor belt 43; the guillotine 42 is arranged on the conveying path of the conveying belt 43; the outlet end of the sewage outlet pipe 2 is arranged above the inlet end 44 of the grinding rolls; the outlet end of the conveyor belt 43 is vertically arranged between the outlet end of the sewage outlet pipe 2 and the inlet end of the grinding mill 44; the sedimentation tank 5 is arranged below the outlet end of the grinding rolls 44; crop waste such as straw in the auxiliary box 41 falls on the transmission belt 43, is firstly cut up by the chopper 42, and enters the crusher 44 together with sewage flowing out of the sewage outlet pipe 2 above the outlet end of the transmission belt 43 for further crushing, and the crushed mixture falls into the sedimentation tank.
As shown in fig. 9, the settling tank 5 comprises an inner tank 51 and an outer tank 52; the outer tank 52 is annular and surrounds the inner tank 51; the vertical projection of the outlet end of the crusher 44 is within the inner tank 51; a screen 511 is arranged on the side wall of the inner pool 51; the bottom of the screen 511 is higher than the top of the outer tank 52; the crushed mixture falls into the inner tank 51 where the solids begin to settle and the water flows through the screen 511 into the outer tank 52.
A working method of a natural organic fertilizer preparation system comprises the following steps: when the natural organic fertilizer preparation system works, the sewage inlet pipe 1 conveys sewage into the sewage outlet pipe 2 through the switching device 3, and then the sewage enters the feeding system 4 from the sewage outlet pipe 2 and finally falls into the sedimentation tank 5 together with auxiliary materials after being mixed;
when the switching device 3 works, the first rotating shaft 33 drives the first connecting pipe 31 and the second connecting pipe 32 to periodically rotate and exchange positions, so that the sewage can periodically flow in two directions in the switching device 3; when the sewage flows through the U-shaped pipe 34, the larger sludge is scattered by the fragments 342, and meanwhile, the fermentation powder in the powder inlet cavity 3471 is uniformly mixed into the sewage through the air holes; the powder feeding amount of the powder feeder 347 is controlled by a rotary valve 3472 installed at the bottom outlet of the powder feeding cavity 3471, and since the second rotary shaft 3473 is connected to the first rotary shaft 33 through a transmission device, every time the switching device 3 rotates once, the rotary valve 3472 rotates a certain angle therewith, and the fermented powder in the powder feeding cavity 3471 is pulled into the powder feeding cavity 345 by the fan blade 3474 and reaches the air hole 343 through the air hose 344 under the blowing of the fan 346; the sewage mixed with the fermentation powder is fed from the sewage outlet pipe 2 to the crusher 44, meanwhile, crop wastes such as straw, corncob and the like in the auxiliary material box 41 are cut by the guillotine 42 and conveyed to the crusher 44 by the conveyor belt 43, and then the crop wastes are mixed with the sewage, further crushed by the crusher 44 and finally fall into the inner tank 51; the solids in the inner tank 51 will settle and the water therein will flow through the screen 511 into the outer tank 52; the settled solids in the inner tank 51 will ferment and eventually become a natural organic fertilizer.
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.
Claims (3)
1. The utility model provides a natural fertilizer preparation system which characterized in that: comprises a sewage inlet pipe (1), a sewage outlet pipe (2) and a switching device (3); the switching device (3) comprises a first connecting pipe (31), a second connecting pipe (32) and a first rotating shaft (33); the first connecting pipe (31) is arranged corresponding to the sewage inlet pipe (1); the second connecting pipe (32) is arranged corresponding to the sewage outlet pipe (2); the first connecting pipe (31) and the second connecting pipe (32) are symmetrical about a first rotation axis (33); the first adapter tube (31) and the second adapter tube (32) are rotated about a first rotation axis (33);
the sewage inlet pipe (1), the sewage outlet pipe (2), the first connecting pipe (31) and the second connecting pipe (32) are arranged in parallel; the pipe diameters of the sewage inlet pipe (1) and the sewage outlet pipe (2) are equal; the switching device (3) further comprises a guide rail disc (35); the guide rail disc (35) is arranged on the switching device (3) and is matched with the sewage inlet pipe (1) and the sewage outlet pipe (2); the guide rail disc (35) is arranged perpendicular to the first connecting pipe (31); a first through hole (351), a second through hole (352) and an annular guide rail (353) are formed in the guide rail disc (35); the first through hole (351) is communicated with the first connecting pipe (31) in a matching way; the second through hole (352) is in matched communication with the second connecting pipe (32); the annular guide rail (353) is matched with the sewage inlet pipe (1) and the sewage outlet pipe (2); the distance between the sewage inlet pipe (1) and the sewage outlet pipe (2) is equal to the diameter of the annular guide rail (353); the first through hole (351) and the second through hole (352) are communicated with the annular guide rail (353);
the adapter device (3) further comprises a U-shaped pipe (34); two ends of the U-shaped pipe (34) are respectively communicated with the first connecting pipe (31) and the second connecting pipe (32); the U-shaped pipe (34) is mounted on a first rotating shaft (33); the U-shaped pipe (34) is of a symmetrical structure; fixing rings (341) are arranged at the corners of the two sides in the U-shaped pipe (34); the cross section of the fixing ring (341) is vertical to the pipeline direction of the U-shaped pipe (34); a plurality of broken pieces (342) are arranged in the fixing ring (341); the length direction of the fragments (342) is consistent with the pipeline direction of the U-shaped pipe (34);
a plurality of air holes (343) are uniformly formed in the inner side of the fixing ring (341) along the circumferential direction; a gas transmission hose (344) is arranged at the position, corresponding to the fixing ring (341), of the outer side of the U-shaped pipe (34); the air hose (344) is communicated with the air hole (343); the inlet end of the air hose (344) is communicated with the outlet end of the powder feeding cavity (345); the inlet end of the powder feeding cavity (345) is communicated with the outlet end of the fan (346);
the device also comprises a feeding device (4) and a sedimentation tank (5); the inlet end of the feeding device (4) is arranged corresponding to the outlet end of the sewage outlet pipe (2); the feeding device (4) comprises an auxiliary box (41), a fodder chopper (42), a conveyor belt (43) and a grinding mill (44); the auxiliary box (41) is arranged at the inlet end of the conveyor belt (43); the guillotine (42) is arranged on a conveying path of the conveying belt (43); the outlet end of the sewage outlet pipe (2) is arranged above the inlet end (44) of the grinding mill; the outlet end of the conveyor belt (43) is arranged between the outlet end of the sewage outlet pipe (2) and the inlet end of the grinding mill (44) in the vertical direction; the sedimentation tank (5) is arranged below the outlet end of the grinding rolls (44);
the two sides of the length direction of the broken piece (342) are symmetrically arranged relative to the fixed ring (341); the thickness of the fragments (342) is gradually reduced from the center to two sides; the plurality of fragments (342) are arranged in the fixed ring (341) in a grid mesh shape; the thicknesses of the adjacent broken pieces (341) are different;
a powder feeder (347) is arranged at the upper end of the powder feeding cavity (345); the powder feeder (347) comprises a powder feeding cavity (3471) and a rotary valve (3472); the bottom of the powder inlet cavity (3471) is communicated with the powder conveying cavity (345); the rotary valve (3472) is arranged at the bottom of the powder inlet cavity (3471); the rotary valve (3472) is used for sealing the bottom of the powder feeding cavity (3471); the rotary valve (3472) includes a second rotary shaft (3473) and fan blades (3474); the second rotating shaft (3473) is connected with the first rotating shaft (33) through a transmission device;
the sedimentation tank (5) comprises an inner tank (51) and an outer tank (52); the outer pool (52) surrounds the inner pool (51) in a ring shape; the vertical projection of the outlet end of the crusher (44) is in the range of the inner pool (51); a screen (511) is arranged on the side wall of the inner pool (51); the bottom of the screen (511) is higher than the top of the outer pool (52).
2. The system for preparing natural organic fertilizer as claimed in claim 1, wherein: a plurality of fan blades (3474) are circumferentially and uniformly distributed around a second rotating shaft (3473); a flow guide groove (3475) is formed in the fan blade (3474); the length direction of the flow guide groove (3475) is the same as the extension direction of the fan blade (3474); the guide grooves (3475) are uniformly distributed at intervals; an electromagnetic vibrator (3476) is mounted at both ends of the second rotating shaft (3473).
3. The working method of the natural organic fertilizer preparation system of claim 2 comprises the following steps: when the natural organic fertilizer preparation system works, the sewage inlet pipe (1) conveys sewage into the sewage outlet pipe (2) through the switching device (3), then the sewage enters the feeding system (4) from the sewage outlet pipe (2), and finally falls into the sedimentation tank (5) together with auxiliary materials after being mixed;
when the switching device (3) works, the first rotating shaft (33) drives the first connecting pipe (31) and the second connecting pipe (32) to periodically rotate for exchanging positions, so that the sewage can periodically flow in two directions in the switching device (3); when the sewage flows through the U-shaped pipe (34), large sludge blocks can be scattered by the fragments (342), and meanwhile, the fermentation powder entering the powder cavity (3471) is uniformly mixed into the sewage through the air holes; the powder feeding amount of the powder feeder (347) is controlled by a rotary valve (3472) arranged at an outlet at the bottom of the powder feeding cavity (3471), and because the second rotary shaft (3473) is connected with the first rotary shaft (33) through a transmission device, every time the switching device (3) rotates once, the rotary valve (3472) rotates a certain angle along with the first rotary shaft, and the fermentation powder in the powder feeding cavity (3471) is pulled into the powder feeding cavity (345) by the fan blade (3474) and reaches the air hole (343) through the air conveying hose (344) under the blowing of the fan (346); the sewage mixed with the fermentation powder is fed to a grinding mill (44) from the sewage outlet pipe (2), meanwhile, crop wastes such as straws, corncobs and the like in an auxiliary material box (41) are cut up through a guillotine (42) and conveyed to the grinding mill (44) through a conveyor belt (43), and the crop wastes are mixed with the sewage, further ground through the grinding mill (44) and finally fall into an inner pool (51); the solids in the inner tank (51) will settle and the water in it will flow through the screen (511) into the outer tank (52); the solid settled in the inner pool (51) can be fermented and finally changed into the natural organic fertilizer.
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| CN201711364732.9A CN107954766B (en) | 2017-12-18 | 2017-12-18 | Natural organic fertilizer preparation system and working method thereof |
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| CN201711364732.9A CN107954766B (en) | 2017-12-18 | 2017-12-18 | Natural organic fertilizer preparation system and working method thereof |
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| CN107954766B true CN107954766B (en) | 2021-06-25 |
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