CN103787709A - Fermentation method of solid organic matters - Google Patents
Fermentation method of solid organic matters Download PDFInfo
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- CN103787709A CN103787709A CN201410013856.2A CN201410013856A CN103787709A CN 103787709 A CN103787709 A CN 103787709A CN 201410013856 A CN201410013856 A CN 201410013856A CN 103787709 A CN103787709 A CN 103787709A
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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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Abstract
The invention discloses a fermentation method of solid organic matters. The method comprises the following steps: smashing straw into fine grass meal of 25-35 meshes, uniformly mixing the fine grass meal with municipal sludge of which the water content is 75-85 percent to obtain a mixed material of which the carbon to nitrogen ratio is (25-30):1, removing a part of water from the mixed material, adding urea, ground phosphate rock, potassium chloride and bacterial humic acid inoculant into the mixed material in a certain ratio, and uniformly mixing to obtain a fermentation material; distributing the fermentation material into a fermentation tower in a laminated manner from bottom to top with the height of each layer being 1.5-2 meters, performing primary fermentation for 24-48 hours after distributing into a first layer is finished, distributing into a second layer, and distributing in the same way till the fermentation tower is full. The fermentation material fermented by using the method is reasonable in formula, and the quality of obtained organic matters is high. The preparation method is simple, and easy to implement. Waste gas produced by fermentation is collected and recycled, thereby lowering the environmental pollution.
Description
Technical field
The present invention relates to a kind of zymotechnique, particularly a kind of fermentation process of solid organic matters.
Background technology
Existing solid organic matters fermentation manufacturing technique, is all that employing is open type fermented, and mechanical turning, carries out extensive style aerobic fermentation, produces great amount of carbon dioxide gas and other harmful, frowziness gas.These gaseous emissions, in air, cause atmospheric pollution, ferment effect be also by rule of thumb, extensive operation.And the existing zymotechnique production cycle is long, ferments inhomogeneous, causes unstable product quality.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art, and the fermentation process of the solid organic matters that a kind of technique is reasonable, ferment effect is good is provided.
Technical problem to be solved by this invention is to realize by following technical scheme, and the present invention is a kind of fermentation process of solid organic matters, is characterized in, its step is as follows:
(1) straw powder that is first 10-20% by water content is broken into the thin grass meal of 25-35 object, the municipal sludge that is 75-85% by thin grass meal with water content again mixes, be mixed with the mixture that carbon-nitrogen ratio is 25-30:1, wherein the weight ratio of thin grass meal and mud is 1:8-12;
(2) said mixture material, after dryer remove portion moisture, obtains the mixture that water content is 60-65%;
Then in above-mentioned mixture, add in proportion urea, ground phosphate rock, Repone K and biological humic microbial inoculum, after mixing, being mixed with water content is the fermentation materials that 50-55%, carbon-nitrogen ratio are 25-30:1; Wherein the weight proportion of mixture and urea, ground phosphate rock, Repone K, biological humic microbial inoculum is 100:1-2:8-10:1-2:0.3-0.6;
(3) fermentation materials layering is from bottom to top distributed in fermentation tower, the height of every layer is 1.5-2m, after the first layer is distributed into, after cloth fermentation at the beginning of 24-48 hour, then is distributed into the second layer, like this according to preceding method cloth until fermentation tower is full; In fermentation tower, in every layer of fermentation materials, be equipped with gas-adding pipe, by controlling the air flow controlled fermentation temperature of gas-adding pipe, in fermenting process, keeping leavening temperature is 60-70 ℃; After sedimentary fermentation material has fermented, discharge from the bottom discharge mouth of fermentation tower, and then supplement new one deck fermentation materials to fermentation tower top.
In the fermentation process technical scheme of above-described solid organic matters: the fermentation time of every one deck fermentation materials is 10-12 days.With short production cycle, fermentation efficiency is high.
In the fermentation process technical scheme of above-described solid organic matters: the warm air that the waste gas of discharging from the top of fermentation tower obtains after roasting kiln burning provides thermal source for dryer, can make waste gas be recycled and utilize, reduce the pollution to air that directly discharge causes.
Compared with prior art, the fermentation materials of the present invention's preparation, rationally, the organism quality making is high for its formula; By arranging multiplayer gas-adding pipe in fermentation tower, can control during the fermentation air flow controlled fermentation situation in addition, realize aerobic fermentation or anaerobically fermenting, improve the efficiency of fermentation, make constant product quality.Preparation method of the present invention is simple, easily implements, and that fermentation whole process is accomplished is totally-enclosed, without dust, odorlessness, leak without sewage, and the gas sampling recycling that fermentation produces, has reduced the pollution to environment.
Embodiment
Embodiment 1, a kind of fermentation process of solid organic matters, its step is as follows:
(1) straw powder that is first 10-20% by water content is broken into the thin grass meal of 25-35 object, the municipal sludge that is 75-85% by thin grass meal with water content again mixes, be mixed with the mixture that carbon-nitrogen ratio is 25-30:1, wherein the weight ratio of thin grass meal and mud is 1:8-12;
(2) said mixture material, after dryer remove portion moisture, obtains the mixture that water content is 60-65%;
Then in above-mentioned mixture, add in proportion urea, ground phosphate rock, Repone K and biological humic microbial inoculum, after mixing, being mixed with water content is the fermentation materials that 50-55%, carbon-nitrogen ratio are 25-30:1; Wherein the weight proportion of mixture and urea, ground phosphate rock, Repone K, biological humic microbial inoculum is 100:1-2:8-10:1-2:0.3-0.6;
(3) fermentation materials layering is from bottom to top distributed in fermentation tower, the height of every layer is 1.5-2m, after the first layer is distributed into, after cloth fermentation at the beginning of 24-48 hour, then is distributed into the second layer, like this according to preceding method cloth until fermentation tower is full; In fermentation tower, in every layer of fermentation materials, be equipped with gas-adding pipe, by controlling the air flow controlled fermentation temperature of gas-adding pipe, in fermenting process, keeping leavening temperature is 60-70 ℃; After sedimentary fermentation material has fermented, discharge from the bottom discharge mouth of fermentation tower, and then supplement new one deck fermentation materials to fermentation tower top.As inadequate in the material fermentation of discharging, can mix and stir with new fermentation materials, rejoin in fermentation tower and ferment.
The fermentation appearance of every one deck fermentation materials can be by the control of ventilating of this layer of gas-adding pipe, and in the time that temperature is on the low side, fermentation will be insufficient during the fermentation, at this moment strengthens air flow, can make fermentation materials fully ferment.Fermentation appearance is weighed with fermentation coefficient, and the front and back ratio of water-soluble organic matter is weighed, and ratio is larger, and ferment effect is better.The different aspects of fermentation tower, have several sampling hand hole or measuring points from top to bottom, can detect monitor fermentation situation for sampling.From the material of discharging at the bottom of tower, doing diminishing, granulation, packing can complete.
Municipal sludge of the present invention be in prior art, produce the domestic sludge that is applicable to sewage farm of the present invention output that do not exceed standard of any heavy metal.For example Lianyungang gold million water utilities company limiteds, address: 8th floor, hill path, sky, Xinpu District, Lianyungang, Jiangsu Province WuChan Building, phone: 0518-85605315, processes the domestic sludge that city's sanitary sewage stays.
Biological humic microbial inoculum of the present invention is commercially available any microbial inoculum that biological fermentation is used that is suitable in prior art.For example: the humic acids that Lvliang City grand Biological Development company limited produces, its address is Shuan Chi town, Jiaokou County, Lvliang City, Shanxi Province, and phone is 0358-5470263, and commodity are called grand humic acids.
In the fermentation process technical scheme of above-described solid organic matters: the fermentation time of every one deck fermentation materials is 10-12 days.With short production cycle, fermentation efficiency is high.
In the fermentation process technical scheme of above-described solid organic matters: the warm air that the waste gas of discharging from the top of fermentation tower obtains after roasting kiln burning provides thermal source for dryer, can make waste gas be recycled and utilize, reduce the pollution to air that directly discharge causes.
Below further describe concrete technical scheme of the present invention, so that those skilled in the art understands the present invention further, and do not form the restriction to its right.
Embodiment 2, a kind of fermentation process of solid organic matters, its step is as follows:
(1) straw powder that is first 10% by water content is broken into the thin grass meal of 25 object, then the municipal sludge that is 75% with water content by thin grass meal mixes, and is mixed with the mixture that carbon-nitrogen ratio is 25-30:1, and wherein the weight ratio of thin grass meal and mud is 1:8;
(2) said mixture material is after dryer remove portion moisture, obtains water content and be 60% mixture;
Then in above-mentioned mixture, add in proportion urea, ground phosphate rock, Repone K and biological humic microbial inoculum, the fermentation materials that after mixing, be mixed with water content and be 50%, carbon-nitrogen ratio is 25-30:1; Wherein the weight proportion of mixture and urea, ground phosphate rock, Repone K, biological humic microbial inoculum is 100:1:8:1:0.3;
(3) fermentation materials layering is from bottom to top distributed in fermentation tower, the height of every layer is 1.5m, after the first layer is distributed into, after cloth fermentation at the beginning of 24-48 hour, then is distributed into the second layer, like this according to preceding method cloth until fermentation tower is full; In fermentation tower, in every layer of fermentation materials, be equipped with gas-adding pipe, by controlling the air flow controlled fermentation temperature of gas-adding pipe, in fermenting process, keeping leavening temperature is 60 ℃; After sedimentary fermentation material has fermented, discharge from the bottom discharge mouth of fermentation tower, and then supplement new one deck fermentation materials to fermentation tower top.
Embodiment 3, a kind of fermentation process of solid organic matters, its step is as follows:
(1) straw powder that is first 20% by water content is broken into the thin grass meal of 35 object, then the municipal sludge that is 85% with water content by thin grass meal mixes, and is mixed with the mixture that carbon-nitrogen ratio is 25-30:1, and wherein the weight ratio of thin grass meal and mud is 1:12;
(2) said mixture material is after dryer remove portion moisture, obtains water content and be 65% mixture;
Then in above-mentioned mixture, add in proportion urea, ground phosphate rock, Repone K and biological humic microbial inoculum, the fermentation materials that after mixing, be mixed with water content and be 55%, carbon-nitrogen ratio is 25-30:1; Wherein the weight proportion of mixture and urea, ground phosphate rock, Repone K, biological humic microbial inoculum is 100:2:10:2:0.6;
(3) fermentation materials layering is from bottom to top distributed in fermentation tower, the height of every layer is 2m, after the first layer is distributed into, after cloth fermentation at the beginning of 24-48 hour, then is distributed into the second layer, like this according to preceding method cloth until fermentation tower is full; In fermentation tower, in every layer of fermentation materials, be equipped with gas-adding pipe, by controlling the air flow controlled fermentation temperature of gas-adding pipe, in fermenting process, keeping leavening temperature is 70 ℃; After sedimentary fermentation material has fermented, discharge from the bottom discharge mouth of fermentation tower, and then supplement new one deck fermentation materials to fermentation tower top.
Embodiment 4, a kind of fermentation process of solid organic matters, its step is as follows:
(1) straw powder that is first 15% by water content is broken into the thin grass meal of 30 object, then the municipal sludge that is 80% with water content by thin grass meal mixes, and is mixed with the mixture that carbon-nitrogen ratio is 25-30:1, and wherein the weight ratio of thin grass meal and mud is 1:10;
(2) said mixture material is after dryer remove portion moisture, obtains water content and be 62% mixture;
Then in above-mentioned mixture, add in proportion urea, ground phosphate rock, Repone K and biological humic microbial inoculum, the fermentation materials that after mixing, be mixed with water content and be 52%, carbon-nitrogen ratio is 25-30:1; Wherein the weight proportion of mixture and urea, ground phosphate rock, Repone K, biological humic microbial inoculum is 100:1.5:9:1.5:0.4;
(3) fermentation materials layering is from bottom to top distributed in fermentation tower, the height of every layer is 2m, after the first layer is distributed into, after cloth fermentation at the beginning of 24-48 hour, then is distributed into the second layer, like this according to preceding method cloth until fermentation tower is full; In fermentation tower, in every layer of fermentation materials, be equipped with gas-adding pipe, by controlling the air flow controlled fermentation temperature of gas-adding pipe, in fermenting process, keeping leavening temperature is 65 ℃; After sedimentary fermentation material has fermented, discharge from the bottom discharge mouth of fermentation tower, and then supplement new one deck fermentation materials to fermentation tower top.
Embodiment 5, in the fermentation process of the solid organic matters described in embodiment 1,2 and 3, the fermentation time of every one deck fermentation materials is 10-12 days.
Embodiment 6, in the fermentation process of the solid organic matters described in embodiment 1,2 and 3, the warm air that the waste gas of discharging from the top of fermentation tower obtains after roasting kiln burning provides thermal source for dryer.
Claims (3)
1. a fermentation process for solid organic matters, is characterized in that, its step is as follows:
(1) straw powder that is first 10-20% by water content is broken into the thin grass meal of 25-35 object, the municipal sludge that is 75-85% by thin grass meal with water content again mixes, be mixed with the mixture that carbon-nitrogen ratio is 25-30:1, wherein the weight ratio of thin grass meal and mud is 1:8-12;
(2) said mixture material, after dryer remove portion moisture, obtains the mixture that water content is 60-65%;
Then in above-mentioned mixture, add in proportion urea, ground phosphate rock, Repone K and biological humic microbial inoculum, after mixing, being mixed with water content is the fermentation materials that 50-55%, carbon-nitrogen ratio are 25-30:1; Wherein the weight proportion of mixture and urea, ground phosphate rock, Repone K, biological humic microbial inoculum is 100:1-2:8-10:1-2:0.3-0.6;
(3) fermentation materials layering is from bottom to top distributed in fermentation tower, the height of every layer is 1.5-2m, after the first layer is distributed into, after cloth fermentation at the beginning of 24-48 hour, then is distributed into the second layer, like this according to preceding method cloth until fermentation tower is full; In fermentation tower, in every layer of fermentation materials, be equipped with gas-adding pipe, by controlling the air flow controlled fermentation temperature of gas-adding pipe, in fermenting process, keeping leavening temperature is 60-70 ℃; After sedimentary fermentation material has fermented, discharge from the bottom discharge mouth of fermentation tower, and then supplement new one deck fermentation materials to fermentation tower top.
2. the fermentation process of solid organic matters according to claim 1, is characterized in that: the fermentation time of every one deck fermentation materials is 10-12 days.
3. the fermentation process of solid organic matters according to claim 1, is characterized in that: the warm air that the waste gas of discharging from the top of fermentation tower obtains after roasting kiln burning provides thermal source for dryer.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003078084A1 (en) * | 2002-03-20 | 2003-09-25 | Bio Con, Inc. | Municipal solid waste treatment method and apparatus |
| CN101429066A (en) * | 2008-11-22 | 2009-05-13 | 寿光蔡伦中科肥料有限责任公司 | Method for producing fertilizer with papermaking sewage sludge |
| CN101575227A (en) * | 2009-06-17 | 2009-11-11 | 北京美华博大环境工程有限公司 | Method for manufacturing organic fertilizer by utilizing sludge |
| CN101983952A (en) * | 2010-12-02 | 2011-03-09 | 福建省农业科学院农业工程技术研究所 | Method for producing organic fertilizer by using municipal sewage sludge |
| CN102030570A (en) * | 2010-12-02 | 2011-04-27 | 北京机电院高技术股份有限公司 | Self-propelled turning device for sludge compost and treatment method |
| CN102153388A (en) * | 2010-12-03 | 2011-08-17 | 深圳市如茵生态环境建设有限公司 | Circulating sludge biological fermentation tank, processing system and processing method |
| CN103373868A (en) * | 2012-04-23 | 2013-10-30 | 张保良 | Method for producing bio-organic fertilizer by virtue of sludge and straws |
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2014
- 2014-01-13 CN CN201410013856.2A patent/CN103787709B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003078084A1 (en) * | 2002-03-20 | 2003-09-25 | Bio Con, Inc. | Municipal solid waste treatment method and apparatus |
| CN101429066A (en) * | 2008-11-22 | 2009-05-13 | 寿光蔡伦中科肥料有限责任公司 | Method for producing fertilizer with papermaking sewage sludge |
| CN101575227A (en) * | 2009-06-17 | 2009-11-11 | 北京美华博大环境工程有限公司 | Method for manufacturing organic fertilizer by utilizing sludge |
| CN101983952A (en) * | 2010-12-02 | 2011-03-09 | 福建省农业科学院农业工程技术研究所 | Method for producing organic fertilizer by using municipal sewage sludge |
| CN102030570A (en) * | 2010-12-02 | 2011-04-27 | 北京机电院高技术股份有限公司 | Self-propelled turning device for sludge compost and treatment method |
| CN102153388A (en) * | 2010-12-03 | 2011-08-17 | 深圳市如茵生态环境建设有限公司 | Circulating sludge biological fermentation tank, processing system and processing method |
| CN103373868A (en) * | 2012-04-23 | 2013-10-30 | 张保良 | Method for producing bio-organic fertilizer by virtue of sludge and straws |
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Granted publication date: 20151118 Termination date: 20160113 |