CN105948866A - Method for preparing humus organic fertilizer from pond silt and sewage treatment plant sludge - Google Patents
Method for preparing humus organic fertilizer from pond silt and sewage treatment plant sludge Download PDFInfo
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- CN105948866A CN105948866A CN201610326405.3A CN201610326405A CN105948866A CN 105948866 A CN105948866 A CN 105948866A CN 201610326405 A CN201610326405 A CN 201610326405A CN 105948866 A CN105948866 A CN 105948866A
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- sewage treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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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
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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)
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Abstract
The invention relates to a method for preparing humus organic fertilizer from pond silt and sewage treatment plant sludge in order to realize that the sludge can be effectively digested and eliminated with the method and the prepared organic fertilizer has the characteristics of improving soil physical and chemical properties and reducing agricultural cost. The technical scheme is that the humus organic fertilizer prepared from the pond silt and the sewage treatment plant sludge with the method comprises components as follows: 1), the pond silt with the water content of 50%-60%, the sewage treatment plant sludge with the water content of 70%-80%, a bulking agent, an additive and a composite biological starter, wherein the bulking agent is one or a mixture of bamboo powder, sawnwood powder, leaves and household garbage in any proportion, the additive is prepared from calcium superphosphate, ferrous sulfate, urea, humic acid, sylvite and Chinese herbal medicine immersing waste residues through mixing at the temperature of 35-45 DEG C, and a weight ratio of calcium superphosphate to ferrous sulfate to urea to humic acid to sylvite to the Chinese herbal medicine immersing waste residues is (10-15):(5-10):(1-5):(40-55):(1-10):(10-15).
Description
Technical field
The present invention relates to the preparation method of a kind of organic fertilizer, preparing humus especially with river embankment mud has
The method that machine is fertile.
Background technology
Along with socioeconomic fast development and the continuous quickening of urbanization process, industrial wastewater and sanitary sewage
Discharge capacity increasing, sewage sludge yield also sharply increases therewith, ends at the bottom of the third season in 2011,
Built sewage treatment plant of China 3078；It is only in the sewage treatment plant in the whole nation, needs to be processed aqueous 80%
More than 20,000,000 tons of the mud of (moisture content is typically at 75%-97%).The following predictable mud in the whole nation produces
Measure at least more than 20,000,000 tons (butts), nearly 200,000,000 tons of Municipal Garbage Yield.Add the annual animal dung in the whole nation
Just nearly 3,000,000,000 tons of generation amount (actual treatment less than 20%, some large-scale plant feces of livestock and poultry because cannot dissolve and
Bulk deposition), while causing environmental pollution, also cultivation safety is constituted grave danger；Therefore, mud,
The debirs harmless treatment such as rubbish and feces of livestock and poultry utilizes with Fertilizer Transformed has become the several years at present and in the future
The main path of interior solid organic waste substances recycling.
Summary of the invention
It is an object of the invention to overcome the deficiency of above-mentioned background technology, it is provided that one utilizes river embankment mud and sewage
Treatment plant's mud prepares the method for humus fertilizer, and the method should be able to effectively be dissolved mud, preparation organic
Fertilizer has the advantages that to improve soil physical and chemical property, reduce agricultural cost.
Present invention provide the technical scheme that
A kind of method utilizing river embankment mud and sludge of sewage treatment plant to prepare humus fertilizer, including as follows
Composition and corresponding weight portion:
1) water content 50～the river embankment mud 50～55 of 60%, water content 70～the sludge of sewage treatment plant of 80%
30～40, raising agent 10～15, additive 10～15, compound bio leaven 0.1～0.3；
Described raising agent is the several of a kind of or arbitrary proportion in bamboo powder, sawdust, leaves and house refuse
Mixture；
Described additive is that calcium superphosphate, ferrous sulfate, carbamide, humic acids, potassium salt and Chinese herbal medicine dipping are useless
Slag mixes at a temperature of 35～45 DEG C；Its part by weight is followed successively by: 10～15:5～10:1～5:
40～55:1～10:10～15.
The particle diameter of described leaves, house refuse and Chinese herbal medicine dipping waste residue is below 3cm.
Described compound bio leaven is made up of Aspergillus niger, bacillus subtilis and Lactobacillus plantarum, its composition
Ratio is 1:1:1.
A kind of method utilizing river embankment mud and sludge of sewage treatment plant to prepare humus fertilizer, according to as follows
Step is carried out successively:
1) sludge pretreatment
By complete to addition raising agent after river embankment mud and sludge of sewage treatment plant mix homogeneously and leaven stirring,
Obtain loose mud mixture；
2) fermentation maturity
Mud mixture is transported in agitator, stirs after adding additive, be then fed in feed bin
Carrying out process of becoming thoroughly decomposed, wherein temperature controls at 30～40 DEG C；It is humic acid organic fertilizer after becoming thoroughly decomposed 2～3 days to dissipate
Material；
3, pelletize
Above-mentioned humic acid organic fertilizer Bulk material to granule-forming machine is carried out pelletize, the most again through drying, i.e.
Obtain humic acid organic fertilizer finished granule.
Described step 1) in become thoroughly decomposed process time, as temperature is too high, should irregularly stir.
Described drying is processed by the hot blast of dehydrator 95～about 105 DEG C so that humic acid organic fertilizer finished granule
In moisture content less than 8%.
The invention has the beneficial effects as follows: utilize mud, house refuse to be processed into containing humic acid organic fertilizer material, for
Garbage utilization have found outlet, alleviates the pressure that garbage-surrounded city causes, and the rubbish mislayed is become
On the one hand resource, decreases problem of environmental pollution, on the other hand serve nutrient also field, culture fertility and
Improve crop quality, add the effect such as agricultural output, and effectively facilitated peasant's abridged edition and increase income, finally
Development for the ecological agriculture, organic agriculture serves active promoting function.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
The thinking of the present invention is: the mud that produces with river embankment mud and sewage treatment plant, rubbish prepare containing corruption
Containing the organic matter that nutrient heavily fortified point necessary to plant growing is rich in phytic acid fertilizer, have and improve soil reason
Change the good action of character, be the source of soil microorganism main energetic and nutrient, be to reduce agricultural cost
Important measures, are to maintain and promote soil nutrient balance, the important step of fertilizing soil, can significantly improve soil
The earth content of organic matter, can substantially reduce Nitrogen In Soils element leaching, slackens the inorganic fertilizer pollution to subsoil water,
Facilitation is had, particularly to knot to reconciling the soil water, fertilizer, air and heat situation and fertilizer conservation, water holding capacity
The soil of structure difference, is rare modifying agent.Its mechanism is:
1, can promote that Soil structure is formed, and improves porosity status containing humic acid organic fertilizer；Improve soil sun from
Sub-absorbent properties, increase the fertilizer supply and preservation ability of soil；Strengthen soil buffer system, improve acid soil；Promote
Enter soil beneficial microorganism movable.
2, crop alimentary and the potentiation to chemical fertilizer are increased；Fertilizer efficiency can be increased containing humic acid organic fertilizer,
The harmful effect that applied nitrogen is too much or application process is improper and produces can be eliminated, make the fertilizer efficiency of inorganic nitrogeneous fertilizer by
" sudden and violent, violent, short " becomes " slow, steady, long "；Rotten fertilizer itself also contains a number of available nitrogen, phosphorus
With late effect property nitrogen, phosphorus, the effect improving crop alimentary can be played.
3, seed can be made to germinate ahead of time containing humic acid organic fertilizer the stimulation of crop growth, improve
Its emergence rate；Hestening rooting and the absorbability of raising root system；Strengthen the growth of organ of multiplication.
To this end, instant invention overcomes all tradition such as conventional mud trough type fermentation, tower fermentation, pot type fermentation
Fermentation technology, and river embankment mud (river sludge and Pond Silt) is pressed with the mud that sewage treatment plant produces
Certain proportioning mixing raising agent and compound bio leaven stir, so together in blender
After again to after mixer adds the mixing completely of a certain amount of additive, then be transported in feed bin to carry out to become thoroughly decomposed 2～
3 days, period carried out stirring of variable interval, so that temperature controls below 40 DEG C, entered back into after becoming thoroughly decomposed completely
Pelletize in granule-forming machine, entering dehydrator after vibrosieve with the hot-air seasoning of 95～about 105 DEG C DEG C is
Obtain humic acid organic fertilizer.
Each composition in above-mentioned raising agent and compound bio leaven can all outer available from.
Embodiment 1
River embankment mud (water content 50～60%) 50～55, sludge of sewage treatment plant (water content 70～80%)
30～40, bamboo powder, leaves 13, additive 13, compound bio leaven 0.2；
Wherein the composition in additive is calcium superphosphate, ferrous sulfate, carbamide, humic acids, potassium salt and Chinese herbal medicine
Dipping waste residue, its part by weight is followed successively by: 13:8:3:47:6:13；
Preparation method is:
1) all the components (in addition to additive) mixed and stirs, obtaining loose mud mixture；
2) mud mixture is transported in agitator, stirs after adding additive, be then fed into feed bin
In carry out process of becoming thoroughly decomposed, wherein control temperature at 35～37 DEG C, as temperature is too high, can irregularly stir and carry out
Heat radiation；It is humic acid organic fertilizer bulk cargo after becoming thoroughly decomposed 2～3 days；
3) above-mentioned humic acid organic fertilizer Bulk material is carried out pelletize to granule-forming machine, be then passed through Vibration Screen
Gumming end, enters back into dehydrator and passes through the hot-air seasoning of about 100 DEG C, obtain humic acid organic fertilizer finished granule.
Embodiment 2
River embankment mud (water content 50～60%) 50～55, sludge of sewage treatment plant (water content 70～80%)
30～40, sawdust 10, additive 15, compound bio leaven 0.1；
Wherein the composition in additive is calcium superphosphate, ferrous sulfate, carbamide, humic acids, potassium salt and Chinese herbal medicine
Dipping waste residue, its part by weight is followed successively by: 10:10:1:55:1:15；
Preparation method is:
1) all the components (in addition to additive) mixed and stirs, obtaining loose mud mixture；
2) mud mixture is transported in agitator, stirs after adding additive, be then fed into feed bin
In carry out process of becoming thoroughly decomposed, wherein control temperature at 38～40 DEG C；It is humic acid organic fertilizer after becoming thoroughly decomposed 2～3 days
Bulk cargo；
3) above-mentioned humic acid organic fertilizer Bulk material is carried out pelletize to granule-forming machine, be then passed through Vibration Screen
Gumming end, enters back into dehydrator and passes through the hot-air seasoning of about 95 DEG C, obtain humic acid organic fertilizer finished granule.
Embodiment 3
River embankment mud (water content 50～60%) 50～55, sludge of sewage treatment plant (water content 70～80%)
30～40, house refuse, leaves 15, additive 10, compound bio leaven 0.3；
Wherein the composition in additive is calcium superphosphate, ferrous sulfate, carbamide, humic acids, potassium salt and Chinese herbal medicine
Dipping waste residue, its part by weight is followed successively by: 15:5:5:40:10:10；
Preparation method is:
1) all the components (in addition to additive) mixed and stirs, obtaining loose mud mixture；
2) mud mixture is transported in agitator, stirs after adding additive, be then fed into feed bin
In carry out process of becoming thoroughly decomposed, wherein control temperature at 30～33 DEG C；As temperature is too high, can irregularly stir and carry out
Heat radiation, is humic acid organic fertilizer bulk cargo after becoming thoroughly decomposed 2～3 days；
3) above-mentioned humic acid organic fertilizer Bulk material is carried out pelletize to granule-forming machine, be then passed through Vibration Screen
Gumming end, enters back into dehydrator and passes through the hot-air seasoning of about 102 DEG C, obtain humic acid organic fertilizer finished granule.
The present invention utilizes mud, house refuse to be processed into containing humic acid organic fertilizer material, it is achieved that sewage sludge harmlessness
Process and recycling, and have found outlet for garbage utilization, alleviate the pressure that garbage-surrounded city causes,
The rubbish mislayed is become resource, on the one hand decreases problem of environmental pollution, on the other hand serve
Nutrient also field, culture fertility and improve crop quality, add the effects such as agricultural output, and effectively promote
Enter peasant's abridged edition to increase income, finally serve active promoting function for the ecological agriculture, the development of organic agriculture.
Sewage sludge harmlessness processes and recycling.
Claims (6)
1. utilize the method that river embankment mud and sludge of sewage treatment plant prepare humus fertilizer, including such as
Lower composition and corresponding weight portion:
1) water content 50～the river embankment mud 50～55 of 60%, water content 70～the sludge of sewage treatment plant of 80%
30～40, raising agent 10～15, additive 10～15, compound bio leaven 0.1～0.3；
Described raising agent is the several of a kind of or arbitrary proportion in bamboo powder, sawdust, leaves and house refuse
Mixture；
Described additive is that calcium superphosphate, ferrous sulfate, carbamide, humic acids, potassium salt and Chinese herbal medicine dipping are useless
Slag mixes at a temperature of 35～45 DEG C；Its part by weight is followed successively by: 10～15:5～10:1～5:
40～55:1～10:10～15.
It is the most according to claim 1 that to utilize river embankment mud and sludge of sewage treatment plant to prepare humus organic
Fertile method, it is characterised in that: the particle diameter of described leaves, house refuse and Chinese herbal medicine dipping waste residue is 3cm
Below.
It is the most according to claim 2 that to utilize river embankment mud and sludge of sewage treatment plant to prepare humus organic
Fertile method, it is characterised in that: described compound bio leaven by Aspergillus niger, bacillus subtilis and is planted
Thing lactobacillus forms, and its component ratio is 1:1:1.
4. utilize river embankment mud and sludge of sewage treatment plant described in claim 1 prepare humus fertilizer
Method, is carried out successively according to following steps:
1) sludge pretreatment
By complete to addition raising agent after river embankment mud and sludge of sewage treatment plant mix homogeneously and leaven stirring,
Obtain loose mud mixture；
2) fermentation maturity
Mud mixture is transported in agitator, stirs after adding additive, be then fed in feed bin
Carrying out process of becoming thoroughly decomposed, wherein temperature controls at 30～40 DEG C；It is humic acid organic fertilizer after becoming thoroughly decomposed 2～3 days to dissipate
Material；
3) pelletize
Above-mentioned humic acid organic fertilizer Bulk material to granule-forming machine is carried out pelletize, the most again through drying,
Obtain humic acid organic fertilizer finished granule.
It is the most according to claim 4 that to utilize river embankment mud and sludge of sewage treatment plant to prepare humus organic
Fertile method, it is characterised in that: described step 2) in become thoroughly decomposed process time, as temperature is too high, should irregularly turn over
Dynamic.
It is the most according to claim 5 that to utilize river embankment mud and sludge of sewage treatment plant to prepare humus organic
Fertile method, it is characterised in that: described drying is processed by the hot blast of dehydrator 95～about 105 DEG C so that rotten
Moisture content in phytic acid organic fertilizer particles finished product is less than 8%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326405.3A CN105948866A (en) | 2016-05-17 | 2016-05-17 | Method for preparing humus organic fertilizer from pond silt and sewage treatment plant sludge |
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| CN201610326405.3A CN105948866A (en) | 2016-05-17 | 2016-05-17 | Method for preparing humus organic fertilizer from pond silt and sewage treatment plant sludge |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059835A (en) * | 2016-12-16 | 2017-08-18 | 亿利生态修复股份有限公司 | A kind of method and system of utilization riverway sludge Desert Control |
| CN109354535A (en) * | 2018-11-06 | 2019-02-19 | 天津天丰泽田生物科技有限公司 | A kind of efficient organic nutrition type soil conditioning fertilizer |
| CN110183081A (en) * | 2019-06-03 | 2019-08-30 | 浙江大学 | A kind of microorganism river bottom mud processing method |
| CN110606775A (en) * | 2019-10-30 | 2019-12-24 | 中国地质大学（北京） | Method for preparing fertilizer by fermenting river sludge and waste garden biomass |
| CN113185370A (en) * | 2021-05-27 | 2021-07-30 | 厦门大学嘉庚学院 | Method for preparing organic fertilizer by using river and lake dredging sludge |
| CN114315097A (en) * | 2021-11-23 | 2022-04-12 | 河海大学 | Method for adjusting sludge performance by using fertilizer |
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| CN101143797A (en) * | 2007-08-30 | 2008-03-19 | 福建师范大学 | Method for preparing sludge organic fertilizer from high moisture percentage sludge |
| CN105036822A (en) * | 2015-07-08 | 2015-11-11 | 江苏田娘农业科技有限公司 | Method for preparing specific fertilizer for afforestation |
| CN105085104A (en) * | 2015-08-03 | 2015-11-25 | 山东沃科奇实业有限公司 | Method for preparing high-quality biological organic fertilizer through municipal sewage sludge |
| CN105237058A (en) * | 2015-10-14 | 2016-01-13 | 新疆天物生态科技股份有限公司 | Bio-organic fertilizer and preparation method thereof |
-
2016
- 2016-05-17 CN CN201610326405.3A patent/CN105948866A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143797A (en) * | 2007-08-30 | 2008-03-19 | 福建师范大学 | Method for preparing sludge organic fertilizer from high moisture percentage sludge |
| CN105036822A (en) * | 2015-07-08 | 2015-11-11 | 江苏田娘农业科技有限公司 | Method for preparing specific fertilizer for afforestation |
| CN105085104A (en) * | 2015-08-03 | 2015-11-25 | 山东沃科奇实业有限公司 | Method for preparing high-quality biological organic fertilizer through municipal sewage sludge |
| CN105237058A (en) * | 2015-10-14 | 2016-01-13 | 新疆天物生态科技股份有限公司 | Bio-organic fertilizer and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059835A (en) * | 2016-12-16 | 2017-08-18 | 亿利生态修复股份有限公司 | A kind of method and system of utilization riverway sludge Desert Control |
| CN109354535A (en) * | 2018-11-06 | 2019-02-19 | 天津天丰泽田生物科技有限公司 | A kind of efficient organic nutrition type soil conditioning fertilizer |
| CN110183081A (en) * | 2019-06-03 | 2019-08-30 | 浙江大学 | A kind of microorganism river bottom mud processing method |
| CN110606775A (en) * | 2019-10-30 | 2019-12-24 | 中国地质大学（北京） | Method for preparing fertilizer by fermenting river sludge and waste garden biomass |
| CN113185370A (en) * | 2021-05-27 | 2021-07-30 | 厦门大学嘉庚学院 | Method for preparing organic fertilizer by using river and lake dredging sludge |
| CN114315097A (en) * | 2021-11-23 | 2022-04-12 | 河海大学 | Method for adjusting sludge performance by using fertilizer |
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Application publication date: 20160921 |
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