CN107805087A - Livestock and poultry solid-liquid excrement dirt two level collaboration consumption system and method based on aerobic compost - Google Patents

Livestock and poultry solid-liquid excrement dirt two level collaboration consumption system and method based on aerobic compost Download PDF

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Publication number
CN107805087A
CN107805087A CN201711247469.5A CN201711247469A CN107805087A CN 107805087 A CN107805087 A CN 107805087A CN 201711247469 A CN201711247469 A CN 201711247469A CN 107805087 A CN107805087 A CN 107805087A
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China
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solid
liquid
consumption
excrement
excrement dirt
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Inventor
刘超翔
范洪勇
刘琳
黄栩
韦莉莉
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Ningbo Urban Environment Observation And Research Station-Nueors Chinese Academy Of Sciences
University of Chinese Academy of Sciences
Institute of Urban Environment of CAS
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Ningbo Urban Environment Observation And Research Station-Nueors Chinese Academy Of Sciences
University of Chinese Academy of Sciences
Institute of Urban Environment of CAS
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Priority to CN201711247469.5A priority Critical patent/CN107805087A/en
Publication of CN107805087A publication Critical patent/CN107805087A/en
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00Fertilisers from human or animal excrements, e.g. manure
    • C05F3/06Apparatus for the manufacture
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Housing For Livestock And Birds (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses a kind of livestock and poultry solid-liquid excrement dirt two level based on aerobic compost to cooperate with consumption system, including solid-liquid separating machine and solid-liquid excrement dirt two level consumption agent set, wherein, solid-liquid excrement dirt two level consumption agent set includes the dirty consumption layer of excrement successively from up to down, percolate dissolves layer and air blast layer, after excrement dirt mixture is passed through solid-liquid separating machine progress separation of solid and liquid, solid manure, which enters in solid-liquid excrement dirt two level consumption agent set, carries out aerobic compost, waste liquid after separation is used as the make-up water source in heap body fermentation process, on the one hand transfer of the pollutant to solid dunghill body in liquid excrement dirt is realized, the conversion of polluter is realized using solid excrement composting process;On the other hand the loss moisture during the solid dunghill fertilizer of supplement livestock and poultry, the high-efficiency fermenting of heap body is promoted.Present invention also offers a kind of livestock and poultry solid-liquid excrement dirt two level based on aerobic compost to cooperate with consumption method, and technique is simple, easy to operate, saves operating cost.

Description

Livestock and poultry solid-liquid excrement dirt two level collaboration consumption system and method based on aerobic compost
Technical field
The present invention relates to livestock and poultry cultivation treatment for cow manure technical field, consolidates more particularly to a kind of livestock and poultry based on aerobic compost Liquid excrement dirt two level cooperates with consumption system and method.
Background technology
As China's livestock and poultry breeding industry is specialized, scale and the continuous improvement of intensive degree, livestock and poultry cultivation excrement is dirty Discharge capacity greatly improves.The dirty collaboration consumption technology of livestock and poultry solid-liquid excrement is one of major way of livestock and poultry feces recycling, with Simple livestock and poultry solid, liquid treatment for cow manure technology is compared, and it handles two kinds of excrement dirts of solid-liquid simultaneously using a kind of technique, has and saves Handling process space, save labour turnover, saving water resource and reduce the treatment for cow manure time the advantages that.Aerobic compost is poultry One of important way that the solid dropping source of fowl utilizes, it is that livestock and poultry feces and auxiliary material are formed into heap body, in appropriate water, gas bar part Under, by microbial action, make organic matter decomposition and release energy production high temperature, kill pathogen therein and weed seed, And other harmful substances matter is reduced or is disappeared, ultimately form stabilized organic fertilizer.Therefore, in aerobic composting process, heap body The decomposition active of microorganism realizes the recycling of organic pollution, innoxious and minimizing conversion, and the fermentation calefaction of heap body and Auxiliary material is to realize the important channel of moisture consumption in heap body to the sticking characteristic of moisture, and at present, consumption technology and dystopy in situ disappear The technology of receiving is two kinds of major ways of the dirty collaboration consumption technology of the solid-liquid excrement based on aerobic compost.
Dystopy fermentation bed livestock and poultry cultivation treatment for cow manure system is that fermentation bed is established outside animal house, makes livestock and poultry cultivation excrement dirt micro- Fermentative degradation under biological agent, the mixed material of fermenting-ripening carry out organic fertilizer processing.Although the technique eliminates in pig manure Pig manure stink and toxin, expand treatment for cow manure ability, but the technique is big to the demand of bedding and padding, fermentation bed cost of manufacture compared with Height, while new and old bedding and padding vulnerable to pollution, are unfavorable for the recycling application of bedding and padding, fermentation bed management is to artificial demand in addition Greatly, operation is complex, and problem is more prominent.The A of Publication No. CN 103619780 Chinese patent, describes a kind of compost Device, the Composter are applied to the dystopy consumption technology based on traditional aerobic composting system, and aerating system is arranged on fermentation cabin by it It is interior, leachate is arranged on fermentation cabin bottom, although the ventilatory effect of compost can be improved in the short time and collect percolate, Breather pipe is easily blocked, and maintenance cost is high, while the dirty percolate collected with leaching of liquid excrement is also needed at other techniques Reason, therefore pollutant process cost is high.The A of Publication No. CN 106007836 Chinese patent, describes a kind of composting device, The composting device is equipped with the blade of continuous helical shape suitable for Vermicomposting technology in the rotary shaft of the device fermentation cabin, can The scope of activities of earthworm is concentrated on intermediate layer, can so ensure that the continuity of organic waste raw material addition and composting fertilizer are clear The promptness collected is managed, but it can only handle the dirt of solid excrement, and there is no disposal ability to liquid excrement is dirty.In aerobic composting process In, the sticking characteristic of heap body fermentation calefaction and auxiliary material causes the water consumption of heap body, and this causes heap body microorganism decomposition activity to obtain Destroyed with the moisture environment of progress, so as to influence the progress of heap body fermentation process.
Therefore, how to improve in the prior art, the present situation that heap body moisture environment can not be kept, while realize livestock and poultry solid-liquid excrement Dirty collaboration efficient process, is those skilled in the art's urgent problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of livestock and poultry solid-liquid excrement dirt two level collaboration consumption system based on aerobic compost and side Method, to solve the above-mentioned problems of the prior art, make in aerobic composting process, the moisture environment of heap body is maintained, simultaneously Realize the highly effective reaction processing of heap body.
To achieve the above object, the invention provides following scheme:The present invention provides a kind of livestock and poultry based on aerobic compost Solid-liquid excrement dirt two level cooperates with consumption system, including solid-liquid excrement dirt collecting pit, solid-liquid separating machine, solid-liquid excrement dirt two level consumption main body dress Put and be connected with liquid excrement dirt collecting pit, the solid-liquid excrement dirt collecting pit with the solid-liquid separating machine, the solid-liquid separating machine difference Be connected with the solid-liquid excrement dirt two level consumption agent set, the liquid excrement dirt collecting pit, the liquid excrement dirt collecting pit also with The solid-liquid excrement dirt two level consumption agent set is connected;
Solid-liquid excrement dirt two level consumption agent set include successively from up to down the dirty consumption layer of excrement, percolate consumption layer and Air blast layer, the dirty consumption layer of the excrement are connected with the solid-liquid separating machine, the dirty consumption layer of the excrement and the percolate dissolve layer it Between separated by the first load-bearing grid, passing through the second load-bearing grid between percolate consumption layer and the air blast layer separates.
Preferably, the dirty consumption layer of the excrement, percolate consumption layer, the height ratio of the air blast layer are 6:2.5:1.5.
Preferably, the dirty consumption layer of the excrement is opened type structure, and the dirty consumption layer of the excrement sets spray thrower, the spray thrower It is slidably disposed in the top of the relative two side of the dirty consumption layer of the excrement, the spray thrower and the dirty collection of the liquid excrement Pond is connected.
Preferably, the dirty consumption layer of the excrement, which is also set up, rolls slide-bar and turning structure, and the turning structure is sheathed on described Roll on slide-bar and can move back and forth along the rolling slide-bar, the turning structure includes multiple upset teeth, the rolling Slide-bar and the turning structure setting are in the bottom of the spray thrower.
Preferably, the rolling slide-bar is set parallel to the first load-bearing grid, and the rolling slide-bar is located at the excrement The 1/3-1/2 of dirt consumption layer highly locates, and the minimum range of the turning structure and the first load-bearing grid is 10-20cm.
Preferably, the bottom of the dirty consumption layer of the excrement sets the first bedding and padding structure sheaf, and the first bedding and padding structure sheaf is by grain The bedding and padding that footpath is 3-8mm are formed, and the thickness of the first bedding and padding structure sheaf is 10-20cm.
Preferably, the bottom of percolate consumption layer sets the second bedding and padding structure sheaf, the second bedding and padding structure sheaf by The bedding and padding that particle diameter is 4-20mm form, and the thickness of the second bedding and padding structure sheaf is 200-400mm.
Preferably, the net footpath of the first load-bearing grid is 2-6mm, and the net footpath of the second load-bearing grid is 4-8mm.
Being preferably based on the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system of aerobic compost also includes air blower, the drum The bottom of stratification of wind sets air blast main and blast connection, the air blast main to be connected with the air blower, the blast connection and The air blast main is connected, and the blast connection is distributed by axisymmetrical of the air blast main, the side wall of the air blast layer It is tightly connected.
The present invention also provides a kind of livestock and poultry solid-liquid excrement dirt two level collaboration consumption method based on aerobic compost, excrement dirt mixture It is passed through solid-liquid separating machine and carries out separation of solid and liquid, the excrement after separation carries out aerobic compost, and the waste liquid after separation supplements as heap body Liquid.
The present invention achieves following technique effect relative to prior art:The livestock and poultry solid-liquid based on aerobic compost of the present invention Excrement dirt two level cooperate with consumption system, including solid-liquid excrement dirt collecting pit, solid-liquid separating machine, solid-liquid excrement dirt two level consumption agent set and Liquid excrement dirt collecting pit, wherein, solid-liquid excrement dirt two level consumption agent set includes the dirty consumption layer of excrement, percolate successively from up to down Layer and air blast layer are dissolved, after excrement dirt mixture is passed through solid-liquid separating machine progress separation of solid and liquid, solid manure enters solid-liquid excrement dirt two Aerobic compost is carried out in level consumption agent set, the waste liquid after separation is used as the make-up water source in heap body fermentation process, on the one hand Transfer of the pollutant to solid dunghill body in liquid excrement dirt is realized, the conversion of polluter is realized using solid excrement composting process;Separately On the one hand the loss moisture during the solid dunghill fertilizer of supplement livestock and poultry, the high-efficiency fermenting of heap body is promoted.At the same time, auxiliary material is reduced Source pressure and auxiliary material acquisition cost;And do not limited by animal house cleaning up excrement mode, can batch processed livestock and poultry feces.The present invention also carries A kind of livestock and poultry solid-liquid excrement dirt two level collaboration consumption method based on aerobic compost is supplied, technique is simple, easy to operate, saves operation Cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 is the overall structure signal that livestock and poultry solid-liquid excrement dirt two level of the present invention based on aerobic compost cooperates with consumption system Figure;
Fig. 2 is that livestock and poultry solid-liquid excrement dirt two level of the present invention based on aerobic compost cooperates with the solid-liquid excrement dirt two level of consumption system to disappear Receive the structural representation of agent set;
Fig. 3 is that livestock and poultry solid-liquid excrement dirt two level of the present invention based on aerobic compost cooperates with the solid-liquid excrement dirt two level of consumption system to disappear Receive the cutting structural representation of agent set;
Fig. 4 is heap temperature change curve in specific embodiment;
Fig. 5 is the column diagram of heap body moisture magnitude of recruitment in specific embodiment;
Wherein, 1 is solid-liquid excrement dirt collecting pit, and 2 be solid-liquid separating machine, and 3 be that solid-liquid excrement dirt two level dissolves agent set, and 4 are Liquid excrement dirt collecting pit, 5 be the dirty consumption layer of excrement, and 501 be spray thrower, and 502 is roll slide-bar, and 503 be turning structure, and 504 be to turn over Turn tooth, 505 be the first bedding and padding structure sheaf, and 6 be that percolate dissolves layer, and 601 be the second bedding and padding structure sheaf, and 7 be air blast layer, and 701 are Air blast main, 702 be blast connection, and 8 be the first load-bearing grid, and 9 be the second load-bearing grid, and 10 be air blower.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of livestock and poultry solid-liquid excrement dirt two level collaboration consumption system based on aerobic compost and side Method, to solve the above-mentioned problems of the prior art, make in aerobic composting process, the moisture environment of heap body is maintained, heap body Fermentation process can be smoothed out.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is further detailed explanation.
Fig. 1 to Fig. 5 is refer to, Fig. 1 is that livestock and poultry solid-liquid excrement dirt two level of the present invention based on aerobic compost cooperates with consumption system Overall structure diagram, Fig. 2 is the solid-liquid that livestock and poultry solid-liquid excrement dirt two level of the present invention based on aerobic compost cooperates with consumption system Excrement dirt two level dissolves the structural representation of agent set, and Fig. 3 is livestock and poultry solid-liquid excrement dirt two level association of the present invention based on aerobic compost Solid-liquid excrement dirt two level with consumption system dissolves the cutting structural representation of agent set, and Fig. 4 is heap body temperature in specific embodiment Change curve is spent, Fig. 5 is the column diagram of heap body moisture magnitude of recruitment in specific embodiment.
The present invention provides a kind of livestock and poultry solid-liquid excrement dirt two level collaboration consumption system based on aerobic compost, including the dirt of solid-liquid excrement Collecting pit 1, solid-liquid separating machine 2, solid-liquid excrement dirt two level consumption agent set 3 and liquid excrement dirt collecting pit 4, solid-liquid excrement dirt collecting pit 1 is connected with solid-liquid separating machine 2, and solid-liquid separating machine 2 dissolves agent set 3, liquid excrement dirt collecting pit 4 with solid-liquid excrement dirt two level respectively It is connected, liquid excrement dirt collecting pit 1 is also connected with solid-liquid excrement dirt two level consumption agent set 3.
After excrement dirt mixture in solid-liquid excrement dirt collecting pit 1 is passed through the progress separation of solid and liquid of solid-liquid separating machine 2, solid manure enters Enter in solid-liquid excrement dirt two level consumption agent set 3 and carry out aerobic compost, the waste liquid that solid-liquid separating machine 2 obtains after separating enters liquid In excrement dirt collecting pit 4, meanwhile, liquid excrement dirt collecting pit 4 is connected with solid-liquid excrement dirt two level consumption agent set 3, and liquid excrement is dirty Waste liquid in collecting pit 4 is used as the make-up water source in heap body fermentation process.On the one hand realize the pollutant in liquid excrement dirt to admittedly The transfer of dunghill body, the conversion of polluter is realized using solid excrement composting process;On the other hand the solid excrement composting process of supplement livestock and poultry In loss moisture, promote the high-efficiency fermenting of heap body, realize the dirty collaboration efficient process of livestock and poultry solid-liquid excrement.
Wherein, solid-liquid excrement dirt two level consumption agent set 3 includes the dirty consumption layer 5 of excrement, percolate consumption successively from up to down Layer 6 and air blast layer 7, the dirty consumption layer 5 of excrement are connected with solid-liquid separating machine 2, pass through between the dirty consumption layer 5 of excrement and percolate consumption layer 6 First load-bearing grid 8 separates, and is separated between percolate consumption layer 6 and air blast layer 7 by the second load-bearing grid 9.
The superiors are the dirty consumption layer 5 of the excrement based on static Windows composting system, and middle level is that percolate dissolves layer 6, and this makes It completes the consumption to percolate, fermentation process will not produce the secondary pollution product of solid-liquid while solid-liquid excrement dirt is dissolved; The dirty consumption layer 5 of excrement is separated by with percolate consumption layer 6 by the first load-bearing of hard grid 8 simultaneously, ensures the cloth of heap body to the full extent Wind uniformity, avoid heap body from occurring compost dead angle in composting process, ensure that compost quality.
Specifically, the dirty consumption layer 5 of excrement, percolate consumption layer 6, the height ratio of air blast layer 7 are 6:2.5:1.5.Reasonable Arrangement The dirty consumption layer 5 of excrement, percolate consumption layer 6, the height ratio of air blast layer 7, improve compost quality and composting efficiency.
More specifically, the dirty consumption layer 5 of excrement is opened type structure, the dirty consumption layer 5 of excrement sets spray thrower 501, and spray thrower 501 can The top of the relative two side of the dirty consumption layer 5 of excrement is slidingly arranged at, spray thrower 501 is connected with liquid excrement dirt collecting pit 4, will Waste liquid in liquid excrement dirt collecting pit 4 is used as spray, supplements heap body moisture, and slidingtype spray thrower 501 makes spray evenly, improves The compost quality of heap body.
In addition, the dirty consumption layer 5 of excrement also sets up rolling slide-bar 502 and turning structure 503, turning structure 503 are sheathed on rolling It can move back and forth on slide-bar 502 and along slide-bar 502 is rolled, turning structure 503 includes multiple upset teeth 504, rolls slide-bar 502 and turning structure 503 be arranged at the bottom of spray thrower 501.Rolling slide-bar 502 and the cooperation of turning structure 503 makes turning structure 503 move back and forth, and the upset tooth 504 in turning structure 503 is rotated to reach the purpose of turning, and turning is advantageous to heap body and uniformly led to Wind, compost dead angle is avoided the occurrence of, ensure compost quality.In this embodiment, slide-bar 502 and turning structure 503 are rolled Using the kind of drive of ball-screw, add in the part rolled outside the stretching solid-liquid excrement dirt two level consumption agent set 3 of slide-bar 502 Handle, manual actuation is realized, can also add motor to drive.
Set more specifically, rolling slide-bar 502 parallel to the first load-bearing grid 8, roll slide-bar 502 and be located at the dirty consumption layer of excrement 5 1/3-1/2 highly locates, and the minimum range of the load-bearing grid 8 of turning structure 503 and first is 10-20cm.
Further, the bottom of the dirty consumption layer 5 of excrement sets the first bedding and padding structure sheaf 505, and the first bedding and padding structure sheaf 505 is by grain The bedding and padding that footpath is 3-8mm are formed, and the thickness of the first bedding and padding structure sheaf 505 is 10-20cm.
The bottom of percolate consumption layer 6 sets the second bedding and padding structure sheaf 601, and the second bedding and padding structure sheaf 601 is 4- by particle diameter 20mm bedding and padding composition, the thickness of the second bedding and padding structure sheaf 601 is 200-400mm.
The net footpath of first load-bearing grid 8 is 2-6mm, and the net footpath of the second load-bearing grid 9 is 4-8mm.
Further, the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system based on aerobic compost also includes air blower 10, The bottom of air blast layer 7 sets air blast main 701 and blast connection 702, air blast main 701 to be connected with air blower 10, blast connection 702 are connected with air blast main 701, and blast connection 702 is distributed with air blast main 701 for axisymmetrical, and the side wall of air blast layer 7 is close Envelope connection.Air blower 10 rouses hot blast to improve the fermentation temperature of heap body in good time, extends the megathermal period of heap body, improves the fermentation of heap body Efficiency;Blast connection 702 is distributed with air blast main 701 for axisymmetrical, and rational cloth wind design can avoid heap body from compost occur Dead angle, improve compost quality.
The present invention also provides a kind of livestock and poultry solid-liquid excrement dirt two level collaboration consumption method based on aerobic compost, excrement dirt mixture It is passed through solid-liquid separating machine 2 and carries out separation of solid and liquid, the excrement after separation carries out aerobic compost, and the waste liquid after separation supplements as heap body Liquid.
Excrement dirt mixture is mainly to be completed in solid-liquid excrement dirt two level dissolves agent set by consumption, below by specific Embodiment come explain solid-liquid excrement dirt two level consumption agent set 3 the course of work.
Solid-liquid excrement dirt two level consumption agent set 3 is the classification consumption system of cubes, and specification (length × width × height) is 1.5m×1.5m×1.8m。
Wherein, the dirty consumption layer 5 of excrement:Specification is 1.5m × 1.5m × 1.1m, and excrement dirty consumption layer 5 both sides in upper strata are by removable plates Composition, closing installation during fermentation, dismounting disengaging after ferment, so that fertilizer is drawn off;It is provided with spray thrower 501, rolls slide-bar 502nd, the equipment such as turning structure 503, compost temperature meter, wherein, roll 1/3 height that slide-bar 502 is in the dirty consumption layer 5 of upper strata excrement Place, upset the first load-bearing of the distance grid 8 of tooth 504 is 10mm, and the first load-bearing grid 8 is the nylon load-bearing grid that aperture is 4mm;Bottom Portion spreads one layer of rice husk bedding and padding, and thickness 10mm, rice husk is original rice husk, length 7mm.Take the excrement after 545kg separation of solid and liquid Body in heaps is mixed with 90kg corncobs, is layered on the top fermentation of rice husk bedding and padding, wherein corncob particle diameter is 2mm.The original C/N of heap body For 27, moisture content 70%,
Percolate dissolves layer 6:Specification is 1.5m × 1.5m × 0.45m, and percolate dissolves the both sides of layer 6 by removable plates group Into closing installation during, fermentation, dismounting disengaging after ferment, so that fertilizer is drawn off;The bottom of percolate consumption layer 6 sets the second pad Expect structure sheaf 601, the second bedding and padding structure sheaf 601 is formed by the tiling of corncob bedding and padding, and corncob particle diameter is 10mm, the second bedding and padding knot The thickness of structure layer 601 is 200mm, and the second bedding and padding structure sheaf 601 can be used for multiple times, and the second load-bearing grid 9 is the nylon that aperture is 7mm Load-bearing grid.
Air blast layer 7:Specification is 1.5m × 1.5m × 0.25m, the installation of all round closure of air blast layer 7, after the completion of heap body is banked up, is led to Hot blast 15min, hot blast temperature are 35 DEG C, Ventilation Rate 1.5m3/min;After turning spray, lead to hot blast 10min, hot blast temperature For 35 DEG C, Ventilation Rate 2.0m3/min。
During heap body is banked up, the moisture content and temperature of heap body are monitored daily, and weighs the weight of unit square decimetre, successively Calculate the weight of overall heap body.Setting 60% is the benchmark moisture content of heap body, as moisture content < 55%, according to heap weight The water to be added is calculated, as formula (1), formula (2) are shown.The heap body fermentation lasts 85 days, wherein, the megathermal period continues 71 days, such as Fig. 4 Shown, overhead temperature curve is heap temperature curve, and here is room temperature curve;Number of water is 70, adds the water gross weight to be about 700kg, amount of water are as shown in Figure 5;Percolate consumption layer 200mm rice husk bedding and padding energy support percolates ooze without under during fermentation. After banking up successfully, pig manure physical and chemical index, make-up water source physical and chemical index and bank up the physical and chemical index of fertilizer respectively such as table 1, the and of table 2 Table 3, it is NY525-2012 organic fertilizer standards to meet standard.
M=M (60%-t) (1)
Wherein, the waste water waters to be supplemented of m-;M-heap weight, kg;The heap body moisture content of t-same day measure, t≤ 50%~60%;
M=mV (2)
M-heap weight, kg;The quality of m-heap body unit volume, kg/m3;The volume of V-heap body, m3
The pig manure physical and chemical index of table 1
Project Moisture content (%) Organic matter (%) TC (%) TN (%) TP (%) TK (%) C/N
Excrement 80 43.1 26 2.05 0.25 0.72 12.68
Corncob 20 92.5 53.15 0.55 0.09 0.08 96.6
Breeding wastewater physical and chemical index after table 2 separates
Project NH3-N(mg/L) TN(mg/L) TP(mg/L) COD(mg/L)
Waste water 2150 1580 190 16500
Table 3 banks up the physical and chemical index of fertilizer
Project Content (%) Standard
Organic matter 46 ≥45
Total nutrient 6.8 ≥5.0
TN 2.5
TP 2.1
TK 2.2
pH 7.9 5.5-8.5
Percentage of seedgermination 100 95-100
Note:Standard is NY525-2012 organic fertilizer standards
Specific case is applied in the present invention to be set forth the principle and embodiment of the present invention, above example Illustrate to be only intended to help the method and its core concept for understanding the present invention;Meanwhile for those of ordinary skill in the art, according to According to the thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content It should not be construed as limiting the invention.

Claims (10)

  1. A kind of 1. livestock and poultry solid-liquid excrement dirt two level collaboration consumption system based on aerobic compost, it is characterised in that:It is dirty including solid-liquid excrement Collecting pit, solid-liquid separating machine, solid-liquid excrement dirt two level consumption agent set and liquid excrement dirt collecting pit, the solid-liquid excrement dirt collecting pit It is connected with the solid-liquid separating machine, the solid-liquid separating machine dissolves agent set, the liquid with the solid-liquid excrement dirt two level respectively Body excrement dirt collecting pit is connected, and the liquid excrement dirt collecting pit is also connected with solid-liquid excrement dirt two level consumption agent set;
    The solid-liquid excrement dirt two level consumption agent set includes the dirty consumption layer of excrement, percolate consumption layer and air blast successively from up to down Layer, the dirty consumption layer of the excrement are connected with the solid-liquid separating machine, lead between the dirty consumption layer of the excrement and percolate consumption layer The separation of the first load-bearing grid is crossed, is separated between the percolate consumption layer and the air blast layer by the second load-bearing grid.
  2. 2. the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system according to claim 1 based on aerobic compost, its feature exist In:The dirty consumption layer of the excrement, percolate consumption layer, the height ratio of the air blast layer are 6:2.5:1.5.
  3. 3. the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system according to claim 1 based on aerobic compost, its feature exist In:The dirty consumption layer of the excrement is opened type structure, and the dirty consumption layer of the excrement sets spray thrower, and the spray thrower is mounted slidably In the top of the relative two side of the dirty consumption layer of the excrement, the spray thrower is connected with the liquid excrement dirt collecting pit.
  4. 4. the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system according to claim 3 based on aerobic compost, its feature exist In:The dirty consumption layer of the excrement, which is also set up, rolls slide-bar and turning structure, and the turning structure is sheathed on the rolling slide-bar simultaneously It can move back and forth along the rolling slide-bar, the turning structure includes multiple upset teeth, described to roll slide-bar and described turn over Pile structure is arranged at the bottom of the spray thrower.
  5. 5. the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system according to claim 4 based on aerobic compost, its feature exist In:The rolling slide-bar is set parallel to the first load-bearing grid, and the rolling slide-bar is located at the 1/ of the dirty consumption layer of the excrement 3-1/2 highly locates, and the minimum range of the turning structure and the first load-bearing grid is 10-20cm.
  6. 6. the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system according to claim 1 based on aerobic compost, its feature exist In:The bottom of the dirty consumption layer of the excrement sets the first bedding and padding structure sheaf, pad of the first bedding and padding structure sheaf by particle diameter for 3-8mm Material is formed, and the thickness of the first bedding and padding structure sheaf is 10-20cm.
  7. 7. the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system according to claim 1 based on aerobic compost, its feature exist In:The bottom of the percolate consumption layer sets the second bedding and padding structure sheaf, and the second bedding and padding structure sheaf is 4-20mm by particle diameter Bedding and padding composition, the thickness of the second bedding and padding structure sheaf is 200-400mm.
  8. 8. the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system according to claim 1 based on aerobic compost, its feature exist In:The net footpath of the first load-bearing grid is 2-6mm, and the net footpath of the second load-bearing grid is 4-8mm.
  9. 9. the livestock and poultry solid-liquid excrement dirt two level collaboration consumption system according to claim 1 based on aerobic compost, its feature exist In:Also include air blower, the bottom of the air blast layer sets air blast main and blast connection, the air blast main and the air blast Machine is connected, and the blast connection is connected with the air blast main, and the blast connection is using the air blast main as axisymmetrical Distribution, the side wall of the air blast layer are tightly connected.
  10. 10. a kind of livestock and poultry solid-liquid excrement dirt two level collaboration consumption method based on aerobic compost, utilizes any one of claim 1-9 institutes The collaboration consumption system of the livestock and poultry solid-liquid excrement dirt two level based on aerobic compost stated, it is characterised in that:Excrement dirt mixture is passed through solid-liquid Seperator carries out separation of solid and liquid, and the excrement after separation carries out aerobic compost, and the waste liquid after separation is used as heap body replenisher.
CN201711247469.5A 2017-12-01 2017-12-01 Livestock and poultry solid-liquid excrement dirt two level collaboration consumption system and method based on aerobic compost Pending CN107805087A (en)

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CN111547795B (en) * 2020-04-30 2021-07-30 南京大学 Organic fertilizer maintenance method, maintenance tank and integrated maintenance equipment for realizing zero discharge of stored domestic garbage leachate

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Application publication date: 20180316