CN105347875B - Method and processing system that the quick odorless stack retting of the fresh filter mud of cane sugar factory becomes thoroughly decomposed - Google Patents
Method and processing system that the quick odorless stack retting of the fresh filter mud of cane sugar factory becomes thoroughly decomposed Download PDFInfo
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- CN105347875B CN105347875B CN201510943680.5A CN201510943680A CN105347875B CN 105347875 B CN105347875 B CN 105347875B CN 201510943680 A CN201510943680 A CN 201510943680A CN 105347875 B CN105347875 B CN 105347875B
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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
- C05F17/989—Flow sheets for biological or biochemical treatment
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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
- C05F17/40—Treatment of liquids or slurries
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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
- 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
- C05F5/006—Waste from chemical processing of material, e.g. diestillation, roasting, cooking
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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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
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Molecular Biology (AREA)
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- Botany (AREA)
- Environmental & Geological Engineering (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses the method and processing system that a kind of quick odorless stack retting of the fresh filter mud of cane sugar factory becomes thoroughly decomposed, its processing system is main to be made up of ferment field, filtrate collecting pit, obturator, air-breather, extractor fan and odor treating device.The method become thoroughly decomposed using the processing system to the quick odorless stack retting of the fresh filter mud of cane sugar factory, is mainly included the following steps that：The ＞ press filtrations of ＜ 1, the ＞ stack rettings of ＜ 2, the ＞ Odor controls of ＜ 3.Stack retting is carried out to the fresh filter mud of cane sugar factory using the present invention, can reach and become thoroughly decomposed completely after 20 30 days.The method need not add other any organic adjuvants and simple to operate, consistent, filter mud pretreatment moisture decline it is fast, become thoroughly decomposed quick, simple without obvious foul odour, ripe filter mud composition, filter mud after processing can as organic fertilizer, biological organic fertilizer, compound organic and inorganic fertilizer raw materials for production, can effectively eliminate the solid waste pollution of cane sugar factory.
Description
Technical field
The invention belongs to organic waste treatment and fermentation technical field, more particularly to a kind of fresh filter mud of cane sugar factory are fast
Method and processing system that fast odorless stack retting becomes thoroughly decomposed.
Background technology
At present, the patent for universal method of being fermented on organic solid castoff, such as：" the fermentation side of organic solid castoff
Method " (number of patent application 2015100788334, publication date 2015.06.10), it is 20-35: 1 that it, which adjusts C/N ratios, and moisture content is
55%-70%；5-15% desulfurated plasters are added, the fermentation of heap body is mixed to form, ammonia nitrogen discharge can be reduced.However, existing organic solid
Body discarded object ferments universal method due to lack of targeted, is not suitable for the fermentation process of the fresh filter mud of cane sugar factory, because sugarcane
Fresh filter mud water content is high, it is impossible to reduction moisture is carried out with conventional method, fermentation process can produce ammonia, hydrogen sulfide, trimethylamine etc.
Foul smell, it should strengthen ventilating management and reeky processing during the fermentation.
Also have about the patent report of cane sugar factory filter mud fermentation, such as：
A kind of " biological organic fertilizer and preparation method using filter mud of sugarcane as primary raw material " (number of patent application
2015102074555, publication date 2015.08.05), by filter mud of sugarcane and bagasse, lime-ash, coal dust, feces of livestock and poultry, offal powder, coffee
Coffee slag etc. is mixed, and is added after being fermented after turfy soil, urea, magnesium sulfate, boron powder, humic acid, EM bacteria agent and is produced biological organic
Fertilizer.
" method for the Organic Ingredients that become thoroughly decomposed using sugar mill mud and bagasse production " (patent No. 2014108133497, publication date
2015.04.22), with weight than bagasse that the sugar mill mud and part by weight for 90.01%-99.9% are 0.1%-9.99%
The laggard aerobe fermentation of acting charitably of blending, regular turning fermentation is the Organic Ingredients that becomes thoroughly decomposed.
" humus organic material material with cane sugar filter mud fermentation and preparation method thereof " (number of patent application 2012102480362, it is public
Open a day 2012.10.24), wherein, filter mud: sugarcane marrow: peanut press pulp: system chaff: wheat skin: bacterium powder is 1: 0.1-0.15: 0.025-0.04:
0.05-0.08∶0.025-0.04∶0.003-0.004；Bacterium powder is well mixed with system chaff, sequentially added after wheat skin, peanut press pulp
It is well mixed, sugarcane marrow mixing is eventually adding, masterbatch is obtained；Filter mud and masterbatch are sufficiently stirred for mix, finally mixture is piled
Rectangular trapezoidal centipede space, heating was maintained after a couple of days, then carried out turning, is treated that a couple of days drops to normal temperature, is produced humus organic material material.After
And soil physical and chemical property can be improved, improve soil water-reataining fertilizer-keeping ability, utilization rate of fertilizer and crop yield, quality.
However, the fermentation process of the fresh filter mud of these cane sugar factories is required for adding other organic materials, troublesome poeration is rotten
The ripe time is longer, does not also make (such as temperature, oxygen concentration, turning number of times, Odor control) to fermentation condition and further grinds
Study carefully.
The content of the invention
Become thoroughly decomposed the technical problem to be solved in the present invention is to provide a kind of quick odorless stack retting of the fresh filter mud of cane sugar factory
Method and processing system, the method need not add other any organic adjuvants and simple to operate, consistent, filter mud pretreatment moisture
Decline is fast, it is quick to become thoroughly decomposed, simple without obvious foul odour, ripe filter mud composition.
In order to solve the above technical problems, the present invention uses following technical scheme：The quick odorless of the fresh filter mud of cane sugar factory
The processing system that stack retting becomes thoroughly decomposed, mainly by field, filtrate collecting pit, obturator, air-breather, extractor fan and the foul smell of fermenting
Manage device composition；Filter mud heap body both sides in fermentation field is provided with longitudinal filtrate collecting pit, and it is provided with filter screen above；Obturator bag
Include the shutter door of fermentation field surrounding and the shade at top；Air-breather includes air blower, appendix and the gas transmission being sequentially connected
In rod, gas transmission rod insertion filter mud heap body；Extractor fan includes air exhauster and discharge duct, and air exhauster is arranged on shade, taken out
Blower fan connects odor treating device by discharge duct；Odor treating device include borate treatment box and water tank, discharge duct,
Borate treatment box and water tank are successively connected, and borate treatment box is provided with borate feed tube and borate discharging tube, and water tank is set
There are tank inlet pipe, tank drains pipe and chimney.
The high 1.2-2.0m of filter mud heap body；The wide 30-50cm of filter screen, its level height is less than heap body floor height 3-5cm；Exhausting
Machine presses 5-8m2Projected area installs 1 air exhauster, and rated power >=1000W, operating voltage is 220V；Gas transmission rod has upward
Fumarole and lateral fumarole.
The method become thoroughly decomposed using the quick odorless stack retting of the fresh filter mud of the cane sugar factory of above-mentioned processing system, it is main include with
Lower step：<1>Press filtration,<2>Stack retting,<3>Odor control.
Step<1>Filter Press pressure >=6kg/cm of use2, compaction pressure >=12MP a.
Step<2>Stack retting is carried out by following operation：Fermenting agent first is added to the fresh filter mud of cane sugar factory, after stirring
The high filter mud heap bodies of 1.2-2.0m are piled, and insert gas transmission rod, make in heap body oxygen percent by volume between 10%-15%,
Turning is carried out when heap body core temperature reaches 55-65 DEG C every time, it is 10-15 times to turn over throwing total degree.
Step<3>Odor control is carried out by following operation：The tail gas that air exhauster is taken away carries out water conservancy diversion entrance through discharge duct
Through 2% boric acid solution and water process after odor treating device, elder generation.
Bacillus >=200,000,000/ml or 200,000,000/g, is added by 3-6kg/t in fermenting agent.
The problem of existing for current cane sugar factory filter mud fermentation, inventor sets up on the basis of traditional fermentation methods
Method and processing system that a kind of fresh filter mud of cane sugar factory quick odorless stack retting becomes thoroughly decomposed, its processing system are main by fermenting
Field, filtrate collecting pit, obturator, air-breather, extractor fan and odor treating device composition.Using the processing system to sweet
The method that the quick odorless stack retting of the fresh filter mud of cane mill becomes thoroughly decomposed, is mainly included the following steps that：<1>Press filtration,<2>Stack retting (including
The processes such as seed dressing, ventilation, draining, turning),<3>Odor control (including the absorption of exhausting, boric acid, water dissolving, liquid waste processing were waited
Journey).Wherein, press filtration can quickly reduce the moisture in fresh filter mud, and stack retting passes through the temperature from high-efficiency fermenting bacterium, grasp turning
Degree and number of times simultaneously carry out the effect that drainage measure etc. reaches quick composting, and Odor control is then by controlling the air duct slats of optimal heap body
Part, setting foul smell collection device and absorption treatment measures reach the purpose of odorlessization fermentation.It is new to cane sugar factory using the present invention
Fresh filter mud carries out stack retting, can reach and becomes thoroughly decomposed completely after 20-30 days.The method need not add other any organic adjuvants and operation letter
Single, consistent, filter mud pretreatment moisture decline it is fast, become thoroughly decomposed quick, simple without obvious foul odour, ripe filter mud composition, place
Filter mud after reason can as organic fertilizer, biological organic fertilizer, organic-inorganic compound mixed fertilizer raw materials for production, can effectively eliminate cane suger
The solid waste pollution of factory.
Brief description of the drawings
Fig. 1 is fermentation field and ventilation in the processing system that the quick odorless stack retting of the fresh filter mud of cane sugar factory of the present invention becomes thoroughly decomposed
The schematic diagram of the part-structures such as device.
Fig. 2 is obturator in the processing system that the quick odorless stack retting of the fresh filter mud of cane sugar factory of the present invention becomes thoroughly decomposed, taken out
The schematic diagram of the part-structure such as wind apparatus and odor treating device.
In figure：1 filter mud heap body, 2 filtrate collecting pits, 3 air blowers, 4 appendixs, 5 gas transmission rods, 6 upward fumaroles, 7 is lateral
Fumarole, 8 shutter doors, 9 shades, 10 air exhausters, 11 discharge ducts, 12 borate treatment boxes, 13 borate feed tubes, 14 boron
Acid solution feed tube is switched, and 15 borate discharging tubes switch, 16 borate discharging tubes, 17 water tanks, 18 tank inlet pipes, 19 water tanks enter
Conduit switch, 20 tank drains pipes switch, 21 tank drains pipes, 22 chimneys.
Embodiment
Method and processing system that the quick odorless stack retting of the fresh filter mud of embodiment cane sugar factory of the present invention becomes thoroughly decomposed
First, processing system
As shown in Fig. 1 to 2, the processing system that the quick odorless stack retting of the fresh filter mud of cane sugar factory of the present invention becomes thoroughly decomposed, mainly
By fermenting, field, filtrate collecting pit, obturator, air-breather, extractor fan and odor treating device are constituted；Filter in fermentation field
Mud heap body 1 (high 1.2-2.0m) both sides is provided with longitudinal filtrate collecting pit 2, and it is provided with filter screen (the wide 30-50cm of filter screen, its water above
Flat height is less than heap body floor height 3-5cm)；Obturator includes the shutter door 8 of fermentation field surrounding and the shade 9 at top；
Air-breather is included in air blower 3, appendix 4 and the gas transmission rod 5 being sequentially connected, gas transmission rod insertion filter mud heap body, gas transmission rod tool
There are upward fumarole 6 and lateral fumarole 7；Extractor fan includes air exhauster 10 and discharge duct 11, and air exhauster, which is arranged on, to shelter from heat or light
On canopy, by about 5-8m2Projected area installs 1 air exhauster (rated power >=1000W, operating voltage 220V), and air exhauster passes through
Discharge duct connects odor treating device；Odor treating device includes borate treatment box 12 and water tank 17, discharge duct, boric acid
Liquid treatment box and water tank are successively connected, and borate treatment box is provided with borate feed tube 13 and borate discharging tube 16, and respectively
Provided with borate feed tube switch 14 and borate discharging tube switch 15；Water tank is provided with tank inlet pipe 19, tank drains pipe 21
With chimney 22, and be respectively equipped with tank inlet pipe switch 19 and tank drains pipe switch 20.
2nd, operating method
The method become thoroughly decomposed using the quick odorless stack retting of the fresh filter mud of the cane sugar factory of above-mentioned processing system, it is main include with
Lower step：
<1>Press filtration
The fresh filter mud input filter press press filtration of cane sugar factory is obtained into filter cake, filter pressure >=6kg/cm2, compaction pressure >=
The moisture of fresh filter mud can be reduced 15%-20% by 12MP a, press filtration process.
<2>Stack retting
First fermenting agent (bacillus >=200,000,000/ml or 200,000,000/g, 3-6kg/ are added to the fresh filter mud of cane sugar factory
T), the long strip type filter mud heap body that 1.2-2.0m is high, width is slightly less than turner or so two-wheeled inner distance is piled after stirring,
Inflated with air blower and insert gas transmission rod (ventilation acc power >=1000W), regulation air blower operating power size makes oxygen in heap body
Air volume percentage carries out turning when heap body core temperature reaches 55-65 DEG C every time, turns over throwing total degree between 10%-15%
For 10-15 times (turner rated power >=118KW).The shutter door at ceiling four sides is left behind during stack retting.
<3>Odor control
The tail gas that air exhauster is taken away carries out water conservancy diversion through discharge duct and enters molten through 2% boric acid after odor treating device, elder generation
Liquid and water process, and pump drainage waste liquid and supplement boric acid solution and water in time.
3rd, operation principle
(1) under the physics compressing of filter press, the moisture of cane sugar factory filter mud can reduce 15%-20%.
(2) the high-efficiency fermenting bacterium more than selection functional microorganism quantity, containing cellulose decomposer series bacillus >=200,000,000/
Ml or 200,000,000/g, consumption shows preferable ferment effect when being 3-6kg/t；Microorganism growth is reached in heap temperature most
Good temperature (i.e. 60 DEG C or so) simultaneously carries out turning when standing temperature close to highest, unobstructed pumping equipment is set with promote to ferment into
Journey.
(3) when oxygen percent by volume is between 10%-15% in heap body air, the hydrogen sulfide produced that ferments is minimum,
The upper edge of ceiling surrounding is mounted with shutter door, and shutting shutter door and can reducing foul smell makes most of foul smell by ceiling to external diffusion
Extraction machine take away, 2% boric acid solution can effectively absorb the ammonia of irritant smell, and trimethylamine can be dissolved in the aqueous solution.
4th, result differentiates
After 20-30 days, anticipation is carried out by color, smell, feel, is such as canescence, has light wine flavour, hand to grab and do not glue
Hand simultaneously has loose sensation, tentatively judges that filter mud has become thoroughly decomposed；Verified that moisture is from initial using analysis detection means
74%-76% is reduced to 38%-48%, and pH is about 7.2-7.6, and C/N is 15 or so, it was demonstrated that filter mud has become thoroughly decomposed.
Application examples 1
2015, Guangxi karst bio-fertilizer industry Co., Ltd (was located at Huan Jiang county towns), reference implementation example under fair weather
The fermentation of the fresh filter mud of cane sugar factory is carried out using the present invention, applicable cases are as follows：
(1) filter press produced from Shandong Jingjin Environmental Protection Equipment Co., Ltd., model XZGMFS200/1250-0, mistake
Filtering surface is accumulated：200m2, filter pressure 6kg/cm2, the moisture of fresh filter mud can be reduced to by compaction pressure 12MP a from 74%-76%
56%-59%.
(2) zymocyte liquid (bacillus >=200,000,000/ml) 4kg/t is added into filter cake, 1.5m is piled after stirring high
Heap body, heap body wide 1.8m, line-spacing 0.5m, heap body both sides are provided with longitudinal filtrate collecting pit (above provided with filter screen), the wide 30- of filter screen
50cm, level height is less than heap body floor height 3-5cm, carries out turning when heap body core temperature reaches 58-64 DEG C every time, turns over throwing
Total degree is 12 times, turner rated power >=118KW.
(3) about 5m2Projected area just ceiling install 1 air exhauster (rated power is 1000W, and operating voltage is
220V), the tail gas after air exhauster carries out water conservancy diversion with pipeline, is handled respectively with 2% boric acid solution and the aqueous solution, and pump drainage in time
Waste liquid and supplement boric acid solution, the aqueous solution.
As a result：25 angel's filter muds reach to become thoroughly decomposed completely, is produced without obvious foul smell.
Application examples 2
2015, Guangxi karst bio-fertilizer industry Co., Ltd (was located at Huan Jiang county towns), reference implementation example under rainy weather
The fermentation of the fresh filter mud of cane sugar factory is carried out using the present invention, applicable cases are as follows：
(1) filter press produced from Shandong Jingjin Environmental Protection Equipment Co., Ltd., model XZGMFS200/1250-0, mistake
Filtering surface is accumulated：200m2, filter pressure 6kg/cm2, the moisture of fresh filter mud can be reduced to by compaction pressure 12MP a from 74%-76%
56%-59%.
(2) zymophyte pulvis (bacillus >=200,000,000/g) 4kg/t is added into filter cake, 1.5m is piled after stirring
High heap body, heap body wide 1.8m, line-spacing 0.5m, and rod type ventilation unit is inserted, divulge information acc power 1000W, controls heap body air
Middle oxygen percent by volume is between 10%-15%, and heap body both sides is provided with longitudinal filtrate collecting pit (above provided with filter screen), filter screen
Wide 30-50cm, level height is less than heap body floor height 3-5cm, is turned over every time when heap body core temperature reaches 58-62 DEG C
Heap, it is 15 times, turner rated power >=118KW to turn over throwing total degree.
(3) about 5m2Projected area just ceiling install 1 air exhauster (rated power is 1000W, and operating voltage is
220V), the tail gas after air exhauster carries out water conservancy diversion with pipeline, is handled respectively with 2% boric acid solution and the aqueous solution, and pump drainage in time
Waste liquid and supplement boric acid solution, the aqueous solution.
As a result：28 angel's filter muds reach to become thoroughly decomposed completely, is produced without obvious foul smell.
Claims (4)
1. the processing system that a kind of quick odorless stack retting of the fresh filter mud of cane sugar factory becomes thoroughly decomposed, it is characterised in that mainly by fermenting
Field, filtrate collecting pit, obturator, air-breather, extractor fan and odor treating device composition；Filter mud in the fermentation field
Heap body both sides is provided with longitudinal filtrate collecting pit, and it is provided with filter screen above；The obturator includes the shutter door of fermentation field surrounding
With the shade at top；The air-breather includes air blower, appendix and the gas transmission rod being sequentially connected, gas transmission rod insertion filter mud
In heap body；The extractor fan includes air exhauster and discharge duct, and air exhauster is arranged on shade, and air exhauster passes through blast pipe
Road connects odor treating device；The odor treating device includes borate treatment box and water tank, discharge duct, borate processing
Case and water tank are successively connected, and borate treatment box is provided with borate feed tube and borate discharging tube, and water tank is provided with water tank water intake
Pipe, tank drains pipe and chimney.
2. the processing system that the quick odorless stack retting of the fresh filter mud of cane sugar factory according to claim 1 becomes thoroughly decomposed, its feature
It is：The high 1.2-2.0m of filter mud heap body；The wide 30-50cm of filter screen, its level height is less than heap body floor height 3-
5cm；The air exhauster presses 5-8m2Projected area installs 1 air exhauster, and rated power >=1000W, operating voltage is 220V；Institute
Stating gas transmission rod has upward fumarole and lateral fumarole.
3. the method that the quick odorless stack retting of the fresh filter mud of cane sugar factory of processing system described in usage right requirement 1 becomes thoroughly decomposed, its
It is characterised by mainly including the following steps that：
<1>Press filtration
Filter Press pressure >=6kg/cm of use2, compaction pressure >=12MPa；
<2>Stack retting
Fermenting agent first is added to the fresh filter mud of cane sugar factory, the high filter mud heap bodies of 1.2-2.0m are piled after stirring, and insert
Enter gas transmission rod, make in heap body oxygen percent by volume between 10%-15%, every time when heap body core temperature reaches 55-65 DEG C
Turning is carried out, it is 10-15 times to turn over throwing total degree；
<3>Odor control
The tail gas that air exhauster is taken away through discharge duct carry out water conservancy diversion enter after odor treating device, elder generation through 2% boric acid solution and
Water process.
4. the method that the quick odorless stack retting of the fresh filter mud of cane sugar factory according to claim 3 becomes thoroughly decomposed, it is characterised in that：
Bacillus >=200,000,000/ml or 200,000,000/g, is added by 3-6kg/t in the fermenting agent.
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| CN107235754A (en) * | 2017-07-17 | 2017-10-10 | 福建农林大学 | Bedding and padding turn over the bedding and padding groove of throwing method and adopting said method |
| CN109279929B (en) * | 2018-11-15 | 2021-11-26 | 辽宁德神微生物科技有限公司 | Device and method for preparing microbial organic fertilizer by fermenting sugar-making wastes |
| CN114538980B (en) * | 2022-04-27 | 2022-07-19 | 中国长江三峡集团有限公司 | Multilayer box type aerobic fermentation equipment and fermentation method |
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| CN102557772B (en) * | 2012-03-12 | 2013-11-20 | 湖南大学 | Fermentation device for sludge compost treatment and treatment method using same |
| CN104529578B (en) * | 2014-12-24 | 2017-07-28 | 广西力源宝科技有限公司 | The method for producing organic fertilizer using sugar mill mud and bagasse |
| CN105000927A (en) * | 2015-05-18 | 2015-10-28 | 浙江海洋学院 | Composting and fermentation system mixing kitchen waste and municipal sludge |
| CN105084948B (en) * | 2015-09-28 | 2018-02-06 | 广西壮族自治区农业科学院甘蔗研究所 | High organic fertilizer of a kind of content of humic acid and preparation method thereof |
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