CN110482813A - A kind of excrement slag sterilizing and deodorizing method - Google Patents
A kind of excrement slag sterilizing and deodorizing method Download PDFInfo
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- CN110482813A CN110482813A CN201910849348.0A CN201910849348A CN110482813A CN 110482813 A CN110482813 A CN 110482813A CN 201910849348 A CN201910849348 A CN 201910849348A CN 110482813 A CN110482813 A CN 110482813A
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- excrement slag
- sterilizing
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- slag
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/004—Sludge detoxification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
Abstract
The invention discloses a kind of excrement slag sterilizing and deodorizing methods, include the following steps: collection, preliminary deodorization, anaerobic reaction stage, aerobic reaction stage, microwave treatment and filters pressing processing.What the present invention obtained has the beneficial effect that (1) deodorant, microorganism decomposition agent, microwave disinfection, plate compression Combined Treatment, synergistic, effectively carries out deodorizing process to excrement slag；(2) fermentation time is shortened for existing compost treatment means using microorganism decomposition agent；(3) by microwave treatment, achieve the purpose that kill cell, and then sterilize, deodorization；(4) filters pressing pressure is larger, the filters pressing period is short.
Description
Technical field
The present invention relates to excrement and urine treatment technology field, more particularly to a kind of excrement slag sterilizing and deodorizing method.
Background technique
In recent years, with the propulsion of agricultural restructuring and agriculture industrialization, so that domestic animals and fowls aquaculture is towards scale
Change, intensive rapid development.But since treatment for cow manure technology is unreasonable, a large amount of unprocessed concentration discharges of waste are destroyed
Original Agro-ecological System circulatory function, causes serious pollution problem.
Currently, commonly cultivation dejecta treatment method includes: seasoning, incineration method, mechanical dehydration method, compost fermentation method
Deng, but have following defects that the processing time is long, treatment process is simple, various germs and evil in excrement slag can not be thoroughly removed
Stink road, residual residue are difficult to recycle.
Therefore it provides a kind of processing is convenient, excrement slag sterilizing and deodorizing method of high treating effect be those skilled in the art urgently
Problem to be solved.
Summary of the invention
In view of this, the present invention provides a kind of excrement slag sterilizing and deodorizing methods.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of excrement slag sterilizing and deodorizing method, which comprises the steps of:
(1) it collects: collecting the excrement slag of farm's discharge, be pooled in collecting-tank, stir evenly；
(2) preliminary deodorization: deodorant being added into collecting-tank, stirs evenly, and obtains preliminary deodorization excrement slag；
(3) the anaerobic reaction stage: entering anaerobic reation pool for preliminary deodorization excrement pulp pump, and microorganism decomposition agent is added and carries out anaerobism
Fermentation, excrement slag A after being decomposed；
(4) the aerobic reaction stage: excrement slag A after decomposition is pumped into aerobic reaction tank and carries out aerobic fermentation, excrement after being decomposed
Slag B；
Microbial deodorant is essentially divided into three processes: being first the mass transfer mistake of liquid phase by gas phase transition by part foul smell
Journey；Second foul smell being dissolved in water is absorbed by the micro-organisms by the cell wall and cell membrane of microorganism, foul smell not soluble in water
It is first attached to outside microbial body, solable matter is decomposed by the exoenzyme of microorganism secretion, then penetrate into cell；Third is smelly
After gas enters cell, it is in vivo Institute of Micro-biology's decomposition as nutriment, utilizes, foul smell is enable to remove.
Microbial deodorant is the coefficient result of multiple-microorganism.Multiple-microorganism collective effect is more advantageous to absorption point
Solve the SO generated2、H2S、CH4Deng the pernicious gas of tool foul smell.Meanwhile these microorganisms can produce inorganic acid again, be formed not
Conducive to the acidic environment of putrefactive microorganisms life, and fundamentally degrades and generate the substance of foul gas when decomposing.
(5) microwave treatment: excrement slag B after decomposition being inputted in microwave reactor and is reacted, and the power of the microwave reactor is 3
~5kw/L, residence time of the excrement slag B in the microwave reactor is 3~10min, excrement slag after must sterilizing after the decomposition；
By the effect of microwave, in a very short period of time, frequency, the intensity of electromagnetic field can all occur greatly to change, In
Concussion effect is generated on cell membrane.Irreversible electroporation and fierce concussion effect can make cell rupture, and this rupture causes
Eucaryotic cell structure disorder to achieve the purpose that kill cell, and then is sterilized, deodorization.Microwave treatment is carried out to excrement slag, can protected
There are under the premise of machine nutrient source, income rapid draing, sterilizing and deodorization, the mode of continuous feed can maintain to liquid or
The batch processing of solid manure.
Microwave can crack macromolecular organic compound molecular link, make small molecule contaminants；Meanwhile microwave ultraviolet
Light beam decomposes the oxygen in air and generates free oxygen, and then ozone is formed in conjunction with oxygen molecule, and ozone has strong oxidizing property, to stench
Gas has extremely strong removal effect.Eventually by the superposition of multiple effect, foul gas is degraded into CO2、H2The small molecules such as O.
(6) filters pressing is handled: excrement slag after sterilization is used plate and frame filter press filters pressing, filters pressing pressure 1.8Mpa.
Preferably, the mass ratio of excrement slag described in step (2) and the deodorant is 1000:(30~100).
Preferably, deodorant described in step (2) includes the component of following mass fraction: 1~10 part of orange peel powder, silicon powder 10
~20 parts, 5~15 parts of mulberry leaf powder and 3~5 parts of pine needle meal.
Deodorant removes the NH contained in excrement by suction-operated3、H2The pernicious gases such as S and amine.
Preferably, preliminary deodorization excrement slag described in step (3) and the mass ratio of the microorganism decomposition agent are 1000:(0.5
~1.5).
Preferably, microorganism decomposition agent described in step (3) includes the ingredient of following mass fraction: 1~3 part of actinomyces,
3~5 parts of saccharomyces cerevisiae, 1~5 part of bacillus pumilus, 5~10 parts of bacillus coagulans, 5~10 parts of bacillus stearothermophilus
With 10~20 parts of clostridium sporogene.
Actinomyces deodorizing capability is stronger, and ammonia nitrogen and sulfide content can be effectively reduced, and deodorizing effect is significant；Bacillus can
To decompose organic substance, organic sulfur compound, the organic nitrogen etc. that generate foul gas；Clostridium sporogene category obligate anaerobic, can be with water
Solution sugar and protein.
Preferably, 30~50 DEG C of fermentation temperature in step (3), 3~5d of fermentation time.
Preferably, 35~60 DEG C of fermentation temperature, 5~8d of fermentation time in step (4), leading to the oxygen time is 7 times/day, often
Secondary 30min, throughput 50L/min.
It can be seen via above technical scheme that compared with prior art, the present invention is the beneficial effects are as follows: (1) deodorization
Agent, microorganism decomposition agent, microwave disinfection, plate compression Combined Treatment, it is synergistic, deodorizing process effectively is carried out to excrement slag；(2)
Fermentation time is shortened for existing compost treatment means using microorganism decomposition agent；(3) it by microwave treatment, reaches
To the purpose for killing cell, and then sterilize, deodorization；(4) filters pressing pressure is larger, the filters pressing period is short.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment microorganism used therefor source:
Streptomycete: it is purchased from hundred Ou Bowei Bioisystech Co., Ltd of Beijing；
Saccharomyces cerevisiae: it is purchased from Wuhan Miao Ling Biotechnology Co., Ltd；
Bacillus pumilus: it is purchased from Jiangsu Lv Ke Bioisystech Co., Ltd；
Bacillus coagulans: it is purchased from Xingtai Si Beite Biotechnology Co., Ltd；
Bacillus stearothermophilus: it is purchased from Guangdong Huan Kai Biotechnology Co., Ltd；
Clostridium sporogene: it is purchased from Shanghai Bo Dun biochemical industry Co., Ltd.
Embodiment 1
(1) it collects: collecting the excrement slag of farm's discharge, be pooled in collecting-tank, stir evenly；
(2) preliminary deodorization:
(21) preparation of deodorant: weighing orange peel powder 1kg, silicon powder 10kg, mulberry leaf powder 5kg and pine needle meal 3kg, mixes, is standby
With；
(22) deodorant is added into collecting-tank, every 1000kg excrement slag is added 30kg deodorant, stirs evenly, and obtains preliminary
Deodorization excrement slag；
(3) the anaerobic reaction stage:
(31) actinomyces 1kg, saccharomyces cerevisiae 3kg, bacillus pumilus 1kg, condensation the preparation of microorganism decomposition agent: are weighed
Bacillus 5kg, bacillus stearothermophilus 5kg and clostridium sporogene 10kg are mixed, are spare；
(32) preliminary deodorization excrement pulp pump is entered into anaerobic reation pool, the preliminary deodorization excrement slag addition microorganism point of every 1000kg is added
Solution agent 0.5kg progress anaerobic fermentation, 30 DEG C of fermentation temperature, fermentation time 3d, excrement slag A after being decomposed；
(4) the aerobic reaction stage: by excrement slag A after decomposition be pumped into aerobic reaction tank carry out aerobic fermentation, 35 DEG C of fermentation temperature,
Fermentation time 5d, duration of ventilation are 7 times/day, each 30min, throughput 50L/min, excrement slag B after being decomposed；
(5) microwave treatment: excrement slag B after decomposition is inputted in microwave reactor and is reacted, the power of the microwave reactor is
3kw/L, residence time of the excrement slag B in the microwave reactor is 3min, excrement slag after must sterilizing after the decomposition；
(6) filters pressing is handled: excrement slag after sterilization is used plate and frame filter press filters pressing, filters pressing pressure 1.8Mpa.
Embodiment 2
(1) it collects: collecting the excrement slag of farm's discharge, be pooled in collecting-tank, stir evenly；
(2) preliminary deodorization:
(21) preparation of deodorant: weighing orange peel powder 10kg, silicon powder 20kg, mulberry leaf powder 15kg and pine needle meal 5kg, mix,
It is spare；
(22) deodorant is added into collecting-tank, adds deodorant 100kg in every 1000kg excrement slag, stirs evenly, obtain
Preliminary deodorization excrement slag；
(3) the anaerobic reaction stage:
(31) actinomyces 3kg, saccharomyces cerevisiae 5kg, bacillus pumilus 5kg, condensation the preparation of microorganism decomposition agent: are weighed
Bacillus 10kg, bacillus stearothermophilus 10kg and clostridium sporogene 20kg are mixed, are spare；
(32) preliminary deodorization excrement pulp pump is entered into anaerobic reation pool, microorganism decomposition is added in every preliminary deodorization excrement slag of 1000kg
Agent 1.5kg progress anaerobic fermentation, 50 DEG C of fermentation temperature, fermentation time 5d, excrement slag A after being decomposed；
(4) the aerobic reaction stage: by excrement slag A after decomposition be pumped into aerobic reaction tank carry out aerobic fermentation, 60 DEG C of fermentation temperature,
Fermentation time 8d, duration of ventilation are 7 times/day, each 30min, throughput 50L/min, excrement slag B after being decomposed；
(5) microwave treatment: excrement slag B after decomposition is inputted in microwave reactor and is reacted, the power of the microwave reactor is
5kw/L, residence time of the excrement slag B in the microwave reactor is 10min, excrement slag after must sterilizing after the decomposition；
(6) filters pressing is handled: excrement slag after sterilization is used plate and frame filter press filters pressing, filters pressing pressure 1.8Mpa.
Embodiment 3
(1) it collects: collecting the excrement slag of farm's discharge, be pooled in collecting-tank, stir evenly；
(2) preliminary deodorization:
(21) preparation of deodorant: weighing orange peel powder 5kg, silicon powder 15kg, mulberry leaf powder 10kg and pine needle meal 4kg, mixes, is standby
With；
(22) deodorant is added into collecting-tank, 60kg deodorant is added in every 1000kg excrement slag, stirs evenly, obtains just
Walk deodorization excrement slag；
(3) the anaerobic reaction stage:
(31) actinomyces 2kg, saccharomyces cerevisiae 4kg, bacillus pumilus 3kg, condensation the preparation of microorganism decomposition agent: are weighed
Bacillus 7kg, bacillus stearothermophilus 7kg and clostridium sporogene 15kg are mixed, are spare；
(32) preliminary deodorization excrement pulp pump is entered into anaerobic reation pool, microorganism decomposition is added in every preliminary deodorization excrement slag of 1000kg
Agent 1kg progress anaerobic fermentation, 40 DEG C of fermentation temperature, fermentation time 4d, excrement slag A after being decomposed；
(4) the aerobic reaction stage: by excrement slag A after decomposition be pumped into aerobic reaction tank carry out aerobic fermentation, 45 DEG C of fermentation temperature,
Fermentation time 6d, duration of ventilation are 7 times/day, each 30min, throughput 50L/min, excrement slag B after being decomposed；
(5) microwave treatment: excrement slag B after decomposition is inputted in microwave reactor and is reacted, the power of the microwave reactor is
4kw/L, residence time of the excrement slag B in the microwave reactor is 7min, excrement slag after must sterilizing after the decomposition；
(6) filters pressing is handled: excrement slag after sterilization is used plate and frame filter press filters pressing, filters pressing pressure 1.8Mpa.
Comparative example 1
Without step (2) preliminary deodorization, remaining operation is the same as embodiment 3.
Comparative example 2
Without step (5) microwave treatment, remaining operation is the same as embodiment 3.
Comparative example 3
Step does not add clostridium sporogene in (31), remaining operation is the same as embodiment 3.
Test 1NH3Measurement
(1) experimental subjects: excrement slag after excrement slag, the processing of 1 method of comparative example after excrement slag, the processing of 3 method of embodiment before handling, right
Excrement slag after excrement slag, the processing of 3 method of comparative example after the processing of 2 method of ratio.
(2) NH measuring method: is acquired using atmosphere sampling instrument3, management, which is absorbed, in larger bubbles is packed into 10ml sulfuric acid absorption
Liquid, with the flow gas production 5L of 0.5L/min, room temperature is stored in for 24 hours using reagent colorimetric method analysis measurement after sampling.
(3) experimental result: experimental result is shown in Table 1.
1 NH of table3Assay
Test 2 H2The measurement of S
(1) experimental subjects: excrement slag after excrement slag, the processing of 1 method of comparative example after excrement slag, the processing of 3 method of embodiment before handling, right
Excrement slag after excrement slag, the processing of 3 method of comparative example after the processing of 2 method of ratio.
(2) H experimental method: is acquired using atmosphere sampling instrument2It is poly- to fill 10ml sodium hydroxide-in larger bubbles absorption tube by S
Vinyl alcohol ammonium phosphate absorbent solution is protected from light gas production 30L with the flow of 0.5~1.5L/min, interior for 24 hours after sampling to use methylene blue
Colorimetric method for determining.
(3) experimental result: experimental result is shown in Table 2.
2 H of table2S assay
Test the measurement of 3 E. CoIi contents
(1) experimental subjects: before processing, embodiment 3, comparative example 1, comparative example 2, comparative example 3.
(2) experimental method: acquisition excrement measures the content of Escherichia coli in excrement with the method for plate culture count.
(3) experimental result: experimental result is shown in Table 3.
The measurement of 3 E. CoIi content of table
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The general principles defined herein can without departing from the spirit or scope of the present invention, in other realities
It applies in example and realizes.Therefore, the present invention is not intended to be limited to embodiment illustrated herein, and be to fit to it is disclosed herein
Principle and the consistent widest scope of features of novelty.
Claims (7)
1. a kind of excrement slag sterilizing and deodorizing method, which comprises the steps of:
(1) it collects: collecting the excrement slag of farm's discharge, be pooled in collecting-tank, stir evenly；
(2) preliminary deodorization: deodorant being added into collecting-tank, stirs evenly, and obtains preliminary deodorization excrement slag；
(3) the anaerobic reaction stage: entering anaerobic reation pool for preliminary deodorization excrement pulp pump, and microorganism decomposition agent is added and carries out anaerobism hair
Ferment, excrement slag A after being decomposed；
(4) the aerobic reaction stage: excrement slag A after decomposition is pumped into aerobic reaction tank and carries out aerobic fermentation, excrement slag B after being decomposed；
(5) microwave treatment: excrement slag B will input in microwave reactor and react after decomposition, and the power of the microwave reactor is 3~
5kw/L, residence time of the excrement slag B in the microwave reactor is 3~10min, excrement slag after must sterilizing after the decomposition；
(6) filters pressing is handled: excrement slag after sterilization is used plate and frame filter press filters pressing, filters pressing pressure 1.8Mpa.
2. a kind of excrement slag sterilizing and deodorizing method as described in claim 1, which is characterized in that excrement slag described in step (2) and institute
The mass ratio for stating deodorant is 1000:(30~100).
3. a kind of excrement slag sterilizing and deodorizing method as claimed in claim 2, which is characterized in that deodorant packet described in step (2)
Include the component of following mass fraction: 1~10 part of orange peel powder, 10~20 parts of silicon powder, 5~15 parts of mulberry leaf powder and 3~5 parts of pine needle meal.
4. a kind of excrement slag sterilizing and deodorizing method as described in claim 1, which is characterized in that preliminary deodorization described in step (3)
Excrement slag and the mass ratio of the microorganism decomposition agent are 1000:(0.5~1.5).
5. a kind of excrement slag sterilizing and deodorizing method as claimed in claim 4, which is characterized in that microorganism described in step (3) point
Solution agent includes the ingredient of following mass fraction: 1~3 part of actinomyces, 1~5 part of bacillus pumilus, coagulate at 3~5 parts of saccharomyces cerevisiae
5~10 parts of bacillus of knot, 5~10 parts of bacillus stearothermophilus and 10~20 parts of clostridium sporogene.
6. a kind of excrement slag sterilizing and deodorizing method as described in claim 1, which is characterized in that fermentation temperature 30 in step (3)~
50 DEG C, 3~5d of fermentation time.
7. a kind of excrement slag sterilizing and deodorizing method as described in claim 1, which is characterized in that fermentation temperature 35 in step (4)~
60 DEG C, 5~8d of fermentation time, leading to the oxygen time is 7 times/day, each 30min, throughput 50L/min.
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| CN112645551A (en) * | 2020-11-18 | 2021-04-13 | 河南宏景建筑工程有限公司 | Community living excrement treatment method |
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| CN115650773A (en) * | 2022-10-19 | 2023-01-31 | 中科立原环境科技有限公司 | Regeneration treatment method for converting cultivation excrement into organic biological bacterial manure |
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Application publication date: 20191122 |