CN107129039A - Stalk as filtering layer livestock and poultry sewage water treatment method and device - Google Patents

Stalk as filtering layer livestock and poultry sewage water treatment method and device Download PDF

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Publication number
CN107129039A
CN107129039A CN201710562094.5A CN201710562094A CN107129039A CN 107129039 A CN107129039 A CN 107129039A CN 201710562094 A CN201710562094 A CN 201710562094A CN 107129039 A CN107129039 A CN 107129039A
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CN
China
Prior art keywords
stalk
tank
filtering layer
livestock
poultry
Prior art date
Application number
CN201710562094.5A
Other languages
Chinese (zh)
Inventor
卢凤娟
尹敏敏
赵云飞
樊树娇
耿青芝
魏清汉
乔梦君
胡敬敬
Original Assignee
河南省图天新能源科技有限公司
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Application filed by 河南省图天新能源科技有限公司 filed Critical 河南省图天新能源科技有限公司
Priority to CN201710562094.5A priority Critical patent/CN107129039A/en
Publication of CN107129039A publication Critical patent/CN107129039A/en

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/2806Anaerobic processes using solid supports for microorganisms
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The invention discloses livestock and poultry sewage water treatment method and device of the stalk as filtering layer, by the way that the technological process that stalk filtering layer, formation filtrate layers and anaerobic fermentation produce biogas is fed, formed in the pretreatment of stalk, anaerobic fermentation tank, by forming stalk filtering layer, effectively improve the contact area of livestock and poultry feces and stalk, anaerobic fermentation efficiency is improved, and realizes the combination of physical filtering and biological treatment.

Description

Stalk as filtering layer livestock and poultry sewage water treatment method and device
Technical field
The present invention relates to sewage treatment area, and in particular to a kind of stalk as filtering layer livestock and poultry sewage water treatment method and Device.
Background technology
Livestock and poultry produce the substantial amounts of mixing containing excrement, urine, food material and other dirts in cultivation and breeding Excrement sewage, these excrement sewage contain ammonia nitrogen of high concentrations of suspension solid (SS), high concentration COD and high concentration etc., if directly arranging Enter or wash away into rivers and lakes lake, it will serious polluted water resources.In addition, stalk is discarded after crop harvesting Thing, its processing mode generally based on burning, will produce a large amount of pernicious gases and absorbable particle, this will be to ring during crop straw burning Border produces serious influence.
At present, for the handling process of agricultural crop straw and swine manure wastewater, mainly using traditional USR anaerobic fermentations Technique, carries out resource reutilization, and technological process of the USR techniques to the processing of livestock and poultry sewage includes pretreatment in processing pond, acid Fermentation, zymotic fluid carry out separation of solid and liquid etc. in acidification hydrolization, anaerobic fermentation tank in change pond, and treatment process is complicated, it is necessary to consume big The manpower of amount.
Therefore, how to simplify process flow, improve the problem of factor of created gase turns into current extremely urgent.
The content of the invention
Stalk and animal dung sewage are advanced the need for existing present invention aim to address existing domestic fermentation technique mixed The problem of closing, stir after pretreatment and fermentation reaction to biogas slurry progress separation of solid and liquid post processing is used as filtering layer there is provided a kind of stalk Livestock and poultry sewage water treatment method.
It is yet another object of the invention to provide a kind of device for realizing the above method.
In order to realize above-mentioned purpose, the stalk that the present invention is provided as filtering layer livestock and poultry sewage water treatment method, including with Under processing step:(1) by stalk pretreatment, it is ground into the segment that particle diameter is 3-5cm;
(2) stalk of the crushing is sent into the tank body of anaerobic fermentation tank, stalk filtering layer is formed, then it is defeated to described tank body Animal dung sewage is sent, the animal dung sewage forms filtrate layers after the filtering of stalk filtering layer in the bottom of the tank body;
(3) anaerobic fermentation reaction is carried out, temperature is 35 ± 2 DEG C, and filtrate layers discharge the tank body after stopping 15-20 days, contain The stalk filtering layer for having animal dung continues after fermenting 40-60 days, removes tank body.
Preferably, the filter height accounts for the 2/3-3/4 of described tank body height.
Preferably, the height of the filtrate layers accounts for 0.3-0.5 times of the stalk filtering layer.
By adding the stalk of crushing in the tank body of anaerobic fermentation tank, add crushing straw and highly account for tank body height 2/ 3-3/4, then animal dung sewage is conveyed into by feed arrangement, due to stalk, many empty, specific surface areas are big in itself, advantages of good adsorption effect, So that solid matter is intercepted by stalk filtering layer in animal dung sewage, feces of livestock and poultry is set to be dispersed in stalk filtering layer, with livestock and poultry Excrement sewage is continuously added, and filtrate will form filtrate layers in the bottom of tank body, because densified straw is less than the density of filtrate, straw Stalk filtering layer naturally can float to form stalk filtering layer.Due to the COD containing high concentration inside filtrate layers and the ammonia nitrogen of high concentration, and Containing substantial amounts of microorganism, when keeping the temperature in tank body to be 35 ± 2 DEG C, anaerobic fermentation is that can produce biogas, filtrate layers hair Ferment 15-20 days, it is possible to which fermentation is complete, you can tank body is excluded by biogas slurry pipe;Main component additionally, due to stalk is fiber The organic matters such as element, hemicellulose and lignin, by feces of livestock and poultry microbe inoculation, temperature is under conditions of 35 ± 2 DEG C, you can To carry out anaerobic fermentation to stalk;But it is due to that the surface of stalk has wax component, when fermentation reaction is incipient, is raiseeed The microorganism that poultry manure is inoculated into stalk hardly enters the inside of stalk, carries out quick anaerobic fermentation reaction and produces biogas, but It is that pH value in the progress with fermentation reaction, tank body drops to faintly acid, wax component will be promoted rapidly to degrade, so that Microorganism is entered the inside of stalk, carry out the fermentation reaction of quick biogas, so needing to continue to ferment 40-60 days.
Preferably, the filtrate layers of step (3) discharge are used for the irrigation in agricultural or gardens, what the step (3) removed Stalk filtering layer is used to produce organic fertilizer.
Provided by the present invention for device of the stalk as the method for the livestock and poultry sewage water treatment method of filtering layer, including tank Body and feed arrangement, it is characterised in that biogas pipe is set on described tank body top, ash gate is set at the bottom of described tank body, Observation window is provided with relative set biogas slurry pipe on the wall of described tank body, described tank wall.
Preferably, described feed arrangement includes motor, feed pipe and distribution device, described feed pipe one end connection electricity Machine, other end connection distribution device, described distribution device sets and is provided with and cloth at the top of the top of tank body, described tank body The corresponding hole of device, makes described to be arranged on the charging aperture of distribution device end and extend in the tank body by described hole Portion.
Preferably, the described biogas slurry mouth of pipe is provided with screen cloth.
Preferably, it is provided with uniform scale on described observation window.
Preferably, described distribution device includes at least two charging aperture.
By the observation window being arranged on tank wall, the addition of the stalk either crushed or animal dung sewage all may be used Accurately to control their addition;Additionally by multiple charging apertures of setting, biogas pipe, biogas slurry pipe and ash gate, both may be used To ensure that stalk and livestock and poultry sewage are evenly distributed on tank interior, the biogas that anaerobic fermentation is produced is set to be excluded by biogas pipe again, Excluded in the filtrate layers of tank base from biogas slurry pipe, stalk filtering layer is removed from ash gate.
Compared to prior art, the beneficial effects of the invention are as follows:(1) stalk filtering layer can effectively improve livestock and poultry feces and stalk Contact area, improve anaerobic fermentation efficiency;(2) method that stalk handles livestock and poultry feces waste water as filtering layer anaerobic fermentation, it is real The combination of physical filtering and biological treatment is showed;(3) inherently a kind of high-quality production marsh gas raw materials of the stalk of stalk filtering layer, except load Outside body function, while having the function that anaerobic fermentation produces biogas concurrently;(4) stalk filtering layer be better than common filtering layer, be not related to flushing and Change, can irregularly realize that raw material updates;(5) stalk and livestock and poultry feces ferment in the lump, improve energy resource density, and then improve anaerobism The pond of fermentation holds factor of created gase (6) stalk filtering layer and extends processing technological flow, effluent index is improved 30% or so.
Brief description of the drawings
Fig. 1 is structure chart of the stalk of the present invention as the livestock and poultry sewage-treatment plant of filtering layer;
Marked in figure:1- anaerobic fermentation tanks, 2- tank bodies, 3- stalk filtering layers, 4- filtrate layers, 5- biogas pipes, 6- ash gates, 7- biogas slurry pipes, 8- motors, 9- feed pipes, 10- distribution devices, 11- charging apertures, 12- screen clothes, 13- observation windows.
Embodiment
In order that those skilled in the art more fully understands technical scheme, with reference to specific embodiment pair The present invention is described in further detail.
Embodiment 1
Stalk is used as the livestock and poultry sewage water treatment method of filtering layer, including following processing step:
(1) by stalk pretreatment, it is ground into the segment that particle diameter is 3cm;
(2) as shown in figure 1, by the stalk of the crushing by feed pipe 9, distribution device 10 and charging aperture 11, into detesting The tank body 2 of fermentation tank 1, the height for controlling to add stalk by observation window 13 is the 2/3 of the described height of tank body 2, forms stalk Filtering layer 3;Animal dung sewage is conveyed to described tank body 2 again, animal dung sewage is added by the control of observation window 13, filtered by stalk After the filtering of layer 3, the filtrate layers 4 of formation are 0.5 times of the height of stalk filtering layer 3;
(3) in device as shown in Figure 1, anaerobic fermentation reaction is carried out, temperature is 35 ± 2 DEG C, when filtrate layers 4 are stopped Between be 15 days, after the tank body 2 is discharged by biogas slurry pipe 7, the stalk filtering layer 3 containing animal dung continues after fermenting 40 days, rear logical Cross ash gate 6 remove tank body 2, fermentation produce biogas discharged by biogas pipe 5, after treatment, for generating electricity, heat supply or Cook.This results in more biogas, the biogas slurry discharged afterwards can be used for the irrigation in agricultural or gardens, and biogas residue is used to produce organic Fertilizer.
Embodiment 2
Stalk is used as the livestock and poultry sewage water treatment method of filtering layer, including following processing step:
(1) by stalk pretreatment, it is ground into the segment that particle diameter is 3cm;
(2) as shown in figure 1, by the stalk of the crushing by feed pipe 9, distribution device 10 and charging aperture 11, into detesting The tank body 2 of fermentation tank 1, the height for controlling to add stalk by observation window 13 is the 3/4 of the described height of tank body 2, forms stalk Filtering layer 3;Animal dung sewage is conveyed to described tank body 2 again, animal dung sewage is added by the control of observation window 13, filtered by stalk After the filtering of layer 3, the filtrate layers 4 of formation are 0.3 times of the height of stalk filtering layer 3;
(3) in device as shown in Figure 1, anaerobic fermentation reaction is carried out, temperature is 35 ± 2 DEG C, when filtrate layers 4 are stopped Between be 20 days, after the tank body 2 is discharged by biogas slurry pipe 7, the stalk filtering layer 3 containing animal dung continues after fermenting 60 days, rear logical Cross ash gate 6 remove tank body 2, fermentation produce biogas discharged by biogas pipe 5, after treatment, for generating electricity, heat supply or Cook.When the addition of animal dung sewage is less, when the addition of stalk filtering layer 3 is more, the time of fermentation becomes, reason It is probably because the time of the more fermentations of the amount of stalk is relatively longer.
Embodiment 3
Stalk is used as the livestock and poultry sewage water treatment method of filtering layer, including following processing step:
(1) by stalk pretreatment, it is ground into the segment that particle diameter is 5cm;
(2) as shown in figure 1, by the stalk of the crushing by feed pipe 9, distribution device 10 and charging aperture 11, into detesting The tank body 2 of fermentation tank 1, the height for controlling to add stalk by observation window 13 is the 2/3 of the described height of tank body 2, forms stalk Filtering layer 3;Animal dung sewage is conveyed to described tank body again, animal dung sewage is added by the control of observation window 13, filtered by stalk After the filtering of layer 3, the filtrate layers 4 of formation are 0.5 times of the height of stalk filtering layer 3;
(3) in device as shown in Figure 1, anaerobic fermentation reaction is being carried out, temperature is 35 ± 2 DEG C, and filtrate layers 4 are stopped Time be 15 days, after the tank body 2 is discharged by biogas slurry pipe 7, the stalk filtering layer 3 containing animal dung, continue ferment 55 days after, after By ash gate 6 remove tank body 2, fermentation produce biogas discharged by biogas pipe 5, after treatment, for generating electricity, heat supply or It is to cook.When the particle diameter of the crushing of stalk is bigger, the time that stalk fermentation needs is relatively more.
Embodiment 4
Stalk is used as the livestock and poultry sewage water treatment method of filtering layer, including following processing step:
(1) by stalk pretreatment, particle diameter is ground into for 3cm, 4cm and 5cm segment, the segment of each length respectively accounts for 33%;
(2) as shown in figure 1, by the stalk of the crushing by feed pipe 9, distribution device 10 and charging aperture 11, into detesting The tank body 2 of fermentation tank 1, the height for controlling to add stalk by observation window 13 is the 2/3 of the described height of tank body 2, forms stalk Filtering layer 3;Animal dung sewage is conveyed to described tank body 2 again, animal dung sewage is added by the control of observation window 13, filtered by stalk After the filtering of layer 3, the filtrate layers 4 of formation are 0.5 times of the height of stalk filtering layer 3;
(3) in device as shown in Figure 1, anaerobic fermentation reaction is carried out, temperature is 35 ± 2 DEG C, when filtrate layers 4 are stopped Between be 18 days, after the tank body 2 is discharged by biogas slurry pipe 7, the stalk filtering layer 3 containing animal dung continues after fermenting 40 days, rear logical Cross ash gate 6 remove tank body 2, fermentation produce biogas discharged by biogas pipe 5, after treatment, for generating electricity, heat supply or Cook.The stalk being respectively segmented is used in mixed way the solid impurity that can preferably intercept in animal dung sewage, makes the scattered of animal dung It is more uniform, make its contact area with stalk filtering layer 4 bigger, so that the speed of fermentation reaction is accelerated.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change Enter and retouch and also should be regarded as protection scope of the present invention.

Claims (9)

1. stalk is used as the livestock and poultry sewage water treatment method of filtering layer, including following processing step:
(1) by stalk pretreatment, it is ground into the segment that particle diameter is 3-5cm;
(2) stalk of the crushing is sent into the tank body of anaerobic fermentation tank, stalk filtering layer is formed, then poultry is conveyed to described tank body Brid guano sewage, the animal dung sewage forms filtrate layers after the filtering of stalk filtering layer in the bottom of the tank body;
(3) anaerobic fermentation reaction is carried out, temperature is 35 ± 2 DEG C, and filtrate layers discharge the tank body after stopping 15-20 days, contain poultry The stalk filtering layer of brid guano continues after fermenting 40-60 days, removes tank body.
2. stalk according to claim 1 is used as the livestock and poultry sewage water treatment method of filtering layer, it is characterised in that the stalk filter Layer height accounts for the 2/3-3/4 of described tank body height.
3. stalk according to claim 1 is used as the livestock and poultry sewage water treatment method of filtering layer, it is characterised in that the filtrate layers Height account for 0.3-0.5 times of the stalk filtering layer.
4. stalk according to claim 1 is used as the livestock and poultry sewage water treatment method of filtering layer, it is characterised in that the step (3) filtrate layers of discharge are used for the irrigation in agricultural or gardens, and the stalk filtering layer that the step (3) removes is used to produce organic fertilizer.
5. based on device of any one of the claim 1-3 stalks as the livestock and poultry sewage water treatment method of filtering layer, including tank body And feed arrangement, it is characterised in that biogas pipe is set on described tank body top, ash gate, institute are set at the bottom of described tank body State and be provided with observation window on relative set biogas slurry pipe on the wall of tank body, described tank wall.
6. stalk according to claim 5 is used as the livestock and poultry sewage-treatment plant of filtering layer, it is characterised in that described charging Device includes motor, feed pipe and distribution device, described feed pipe one end connection motor, other end connection distribution device, institute The distribution device stated sets and is provided with hole corresponding with distribution device at the top of the top of tank body, described tank body, makes the setting Charging aperture in distribution device end extends to the inside of the tank body by described hole.
7. device according to claim 5, it is characterised in that uniform scale is provided with described observation window.
8. device according to claim 5, it is characterised in that the described biogas slurry mouth of pipe is provided with screen cloth.
9. device according to claim 6, it is characterised in that described distribution device includes at least two charging aperture.
CN201710562094.5A 2017-07-11 2017-07-11 Stalk as filtering layer livestock and poultry sewage water treatment method and device CN107129039A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200202832Y1 (en) * 2000-05-29 2000-11-15 최병권 Filtering device of system for beating the mixture
CN201722212U (en) * 2010-04-28 2011-01-26 郭云征 Biological fermentation process sewage treatment system
CN105755056A (en) * 2016-04-29 2016-07-13 农业部南京农业机械化研究所 Method for generating methane jointly through bundled straw and livestock and poultry manure
CN106187458A (en) * 2016-07-07 2016-12-07 全椒县夏军养猪专业合作社 Swine manure and stalk fermentation compost method
CN106431580A (en) * 2016-11-16 2017-02-22 冯占余 Method and apparatus for treating fecal contamination and producing organic fertilizer at same time through simulation forest surface ecological system
CN106922606A (en) * 2017-01-25 2017-07-07 中合生态农业科技有限公司 Stereo ecological plant and its cultural method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200202832Y1 (en) * 2000-05-29 2000-11-15 최병권 Filtering device of system for beating the mixture
CN201722212U (en) * 2010-04-28 2011-01-26 郭云征 Biological fermentation process sewage treatment system
CN105755056A (en) * 2016-04-29 2016-07-13 农业部南京农业机械化研究所 Method for generating methane jointly through bundled straw and livestock and poultry manure
CN106187458A (en) * 2016-07-07 2016-12-07 全椒县夏军养猪专业合作社 Swine manure and stalk fermentation compost method
CN106431580A (en) * 2016-11-16 2017-02-22 冯占余 Method and apparatus for treating fecal contamination and producing organic fertilizer at same time through simulation forest surface ecological system
CN106922606A (en) * 2017-01-25 2017-07-07 中合生态农业科技有限公司 Stereo ecological plant and its cultural method

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