CN102515902B - Method and device for producing organic fertilizer from organic sludge - Google Patents
Method and device for producing organic fertilizer from organic sludge Download PDFInfo
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- CN102515902B CN102515902B CN2011104236452A CN201110423645A CN102515902B CN 102515902 B CN102515902 B CN 102515902B CN 2011104236452 A CN2011104236452 A CN 2011104236452A CN 201110423645 A CN201110423645 A CN 201110423645A CN 102515902 B CN102515902 B CN 102515902B
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- auxiliary material
- organic
- sludge
- filter cake
- travelling belt
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- 239000010802 sludge Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000003895 organic fertilizer Substances 0.000 title abstract description 7
- 238000000855 fermentation Methods 0.000 claims abstract description 51
- 230000004151 fermentation Effects 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 51
- 239000000203 mixture Substances 0.000 claims abstract description 36
- 239000012065 filter cake Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002068 microbial inoculum Substances 0.000 claims abstract description 13
- 239000003337 fertilizer Substances 0.000 claims description 16
- 241000894006 Bacteria Species 0.000 claims description 15
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 241000186046 Actinomyces Species 0.000 claims description 3
- 235000000023 Auricularia auricula Nutrition 0.000 claims description 3
- 241001149430 Auricularia auricula-judae Species 0.000 claims description 3
- 241000186660 Lactobacillus Species 0.000 claims description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229940039696 lactobacillus Drugs 0.000 claims description 3
- 230000000243 photosynthetic effect Effects 0.000 claims description 3
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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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
-
- 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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- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a method for producing an organic fertilizer from organic sludge, characterized by comprising the following steps of: preparing organic fermentation auxiliary materials in a ratio of 20-50% by weight as well as having a water content of 25-50% and a grain size of 10-20 mm and sludge filter cake prepared materials in a ratio of 50-80% by weight; preparing a microbial inoculum, mixing the microbial inoculum with the organic fermentation auxiliary materials in an auxiliary material bin, conveying the uniformly-mixed fermentation auxiliary material mixture to a convey belt via a conveyer, and conveying the fermentation auxiliary material mixture into a stirring machine via the convey belt; conveying the crushed sludge to the convey belt via a sludge feeding machine, and conveying the sludge filter cake into the stirring machine via the convey belt; and adequately mixing the fermentation auxiliary material mixture with the sludge filter cake via the stirring machine, and conveying the mixed to-be-fermented mixture into a fermentation box and fermenting for 6-10 days at a normal temperature. The invention further provides a device for producing an organic fertilizer from organic sludge. The method and the device disclosed by the invention recycle the sludge filter cake of each sewage treatment plant, as well as are green and environment-friendly.
Description
Technical field
The present invention relates to a kind of method and device thereof that utilizes organic sludge to make fertilizer.
Background technology
Sludge filter cake is the byproduct output of sludge treatment factory, the treating processes of general sewage work is that total waste pipe import → grid → settling pit → mud concentrates → sludge dewatering (with plate-and-frame filter press or belt filter press squeezing) → sludge filter cake, there is this part sludge filter cake output of a large amount of water contents 85% left and right every day in each sewage work, this part filter cake contains a large amount of organic matters be not decomposed, micro heavy, the nitrogen of various mushrooms and some amount, phosphorus, the beneficial elements such as potassium, if discharge arbitrarily, part is organic in oxidation, in the process of decomposing, can produce peculiar smell, can cause secondary pollution to environment, atmosphere pollution, soil and surrounding environment, and take limited valuable land resources, become the burden of sewage work.
Summary of the invention
The object of the present invention is to provide a kind of method and device thereof that utilizes organic sludge to make fertilizer, the method and this device can mixed fermentation becomes fertilizer with microbial inoculum by a certain proportion of organic fermentation auxiliary material, sludge filter cake, not only turn waste into wealth, environmental protection, and can increase income.
To achieve these goals, technical scheme of the present invention is: a kind of method of utilizing organic sludge to make fertilizer, it is characterized in that: prepare weight proportion and be organic fermentation auxiliary material of 20% ~ 50% and 50% ~ 80% sludge filter cake and prepare material, wherein the water content of organic fermentation auxiliary material is 25% ~ 50%, granular size is 10mm ~ 20mm; Prepare microbial inoculum, and in the auxiliary material storehouse mix bacterium agent and organic fermentation auxiliary material, even mixed fermentation auxiliary material mixture is transported on travelling belt through transfer roller, the travelling belt auxiliary material mixture that will ferment is sent in stirrer; Simultaneously, the sludge filter cake after the mud feeding machine will be pulverized is transported on travelling belt, and travelling belt is sent to sludge filter cake in stirrer; Stirrer abundant mixed fermentation auxiliary material mixture and sludge filter cake, then treat that by mixed the fermenting mixture material delivers in fermenting case and fermented at normal temperatures 6 ~ 10 days.
Further, the water content of described sludge filter cake is 80% ~ 90%; The water content of described organic fermentation auxiliary material be 30% ~ 40% and granular size be about 15mm; Described organic fermentation auxiliary material is bacterium slag or other organism, the residue that described bacterium slag is mushroom, auricularia auriculajudae or needle mushroom etc.; Described microbial inoculum contains photosynthetic bacterium, fixed nitrogen sporeformer, P and K decomposing bacterium, lactobacillus, yeast and high temperature resistant actinomyces etc.
Simultaneously, the present invention also provides corresponding a kind of device that utilizes organic sludge to make fertilizer, it is characterized in that: comprise the mud feeding machine, the downside of the discharge port of described mud feeding machine is provided with the input terminus of tilting travelling belt, the side of described travelling belt is provided with fermentation auxiliary material mixture is transported to the worm conveyor on travelling belt, the input terminus of described worm conveyor is connected with the discharge port in auxiliary material storehouse, the downside of the output terminal of described travelling belt is provided with the sludge filter cake and the well-mixed stirrer of fermentation auxiliary material mixture after making to pulverize, described stirrer discharging is in fermenting case.
Further, described mud feeding machine is the box-type feeder of forced feeding, the output terminal of described travelling belt is higher than input terminus, and described stirrer is biaxial rneader, and the side of described travelling belt also is provided with another worm conveyor and coupled standby auxiliary material storehouse.
Beneficial effect of the present invention is as follows: the sludge filter cake that takes full advantage of sewage work; add organic fermentation auxiliary material, microbial inoculum abundant mixed fermentation and become fertilizer; not only can protection of the environment; prevent that soil and air from being polluted; improve resident's living environment quality; and turn waste into wealth, fertilizer also can directly supply local agricultural use, on-site elimination, and the sludge filter cake that need to spend sewage work in the past please vehicle to transport is converted into the product with income.
The accompanying drawing explanation
Fig. 1 is the principle flow chart of the embodiment of the present invention.
Fig. 2 is that the master of the embodiment of the present invention looks schematic diagram.
Fig. 3 is the schematic top plan view of the embodiment of the present invention.
In figure: the 5-stirrer 6-standby auxiliary material of fermenting case 7-storehouse, 1-mud feeding machine 2-travelling belt 3-worm conveyor 4-auxiliary material storehouse.
Embodiment
The present invention is further elaborated below in conjunction with drawings and Examples.
With reference to figure 1 ~ 3, a kind of method of utilizing organic sludge to make fertilizer: prepare weight proportion and be organic fermentation auxiliary material of 20% ~ 50% and 50% ~ 80% sludge filter cake and prepare material, wherein the water content of organic fermentation auxiliary material is 25% ~ 50%, granular size is 10mm ~ 20mm; Prepare microbial inoculum, and at the interior mix bacterium agent in auxiliary material storehouse 4 and organic fermentation auxiliary material, even mixed fermentation auxiliary material mixture is transported on travelling belt 2 through worm conveyor 3, the travelling belt 2 auxiliary material mixture that will ferment is sent in stirrer 5; Simultaneously, the sludge filter cake after mud feeding machine 1 will be pulverized is transported on travelling belt 2, and travelling belt 2 is sent to sludge filter cake in stirrer 5; The abundant mixed fermentation auxiliary material mixture of stirrer 5 and sludge filter cake, mixedly treat that the organic content in the fermenting mixture material is 20% ~ 60%, carbon-nitrogen ratio is 20 ~ 40, the pH value is 6 ~ 8, water content is 45% ~ 65%, then by mixed, treat that the fermenting mixture material delivers in fermenting case 6, generally ferment at normal temperatures and get final product about 6 ~ 7 days.
In the present embodiment, but organic fermentation auxiliary material of preferred disposition 40% and 60% sludge filter cake, wherein the water content of organic fermentation auxiliary material be 30% ~ 40% and granular size be about 15mm, the water content of sludge filter cake is 80% ~ 90%.Above-mentioned organic fermentation auxiliary material is bacterium slag or other organism, above-mentioned bacterium slag is the residue of the various fungi plants such as mushroom, auricularia auriculajudae or needle mushroom, through airing to behind water content 30% left and right by crusher in crushing to the 15mm left and right, other organism such as husk, chaff or wood chip etc. are mainly to use as the moisture adjuster for the treatment of the fermenting mixture material.The consumption of above-mentioned microbial inoculum is considerably less, it is approximately 0.1% left and right for the treatment of the fermenting mixture material, above-mentioned microbial inoculum contains the multiple-microorganisms such as photosynthetic bacterium, fixed nitrogen sporeformer, P and K decomposing bacterium, lactobacillus, yeast and high temperature resistant actinomyces, can select according to actual needs multiple biological fermentation bacterial classification, above-mentioned microbial inoculum has the fermentation materials of impelling quick heating, the continuous high temperature time is long, organic materials is had stronger become thoroughly decomposed, deodorization.Mixedly treat that the organic content in the fermenting mixture material is 55% left and right, the blending ratio of above-mentioned organic fermentation auxiliary material and sludge filter cake, microbial inoculum can also be adjusted according to the variation of raw material in good time, and fermentation is fast, the time is short to reach, moisture, nutrient etc. meet the fertilizer standard-required that country promulgates and are as the criterion.
Simultaneously, with reference to figure 2 ~ 3, the present invention also provides corresponding a kind of device that utilizes organic sludge to make fertilizer, it is characterized in that: comprise mud feeding machine 1, the downside of the discharge port of described mud feeding machine 1 is provided with the input terminus of tilting travelling belt 2, the side of described travelling belt 2 is provided with fermentation auxiliary material mixture is transported to the worm conveyor 3 on travelling belt 2, the input terminus of described worm conveyor 3 is connected with the discharge port in auxiliary material storehouse 4, the downside of the output terminal of described travelling belt 2 is provided with the sludge filter cake and the well-mixed stirrer 5 of fermentation auxiliary material mixture after making to pulverize, described stirrer 5 dischargings are in fermenting case 6.
In the present embodiment, above-mentioned mud feeding machine 1 for the box-type feeder of forced feeding (as application number: the 201120373773.6 a kind of box-type feeding devices that provide), the output terminal of above-mentioned travelling belt 2 is higher than input terminus, above-mentioned stirrer 5 is biaxial rneader, above-mentioned box-type feeder and biaxial rneader are all with the blending ratio of speed regulation device (frequency modulation or electromagnetic adjustable speed motor) with the control material, and the side of above-mentioned travelling belt 2 also is provided with another worm conveyor 3 and coupled standby auxiliary material storehouse 7.
In the present embodiment, the sludge filter cake of sewage work is after crushed by shovel loader or manually feed the mud feeding machine, and the fermentation auxiliary material mixture in the auxiliary material storehouse is also by shovel loader or manually feed, after starting the machine, the sludge filter cake of aforementioned proportion is given on travelling belt by the mud feeding machine, fermentation auxiliary material mixture in the auxiliary material storehouse is given on travelling belt by worm conveyor simultaneously, travelling belt is delivered to sludge filter cake in stirrer and is carried out mix and blend with fermentation auxiliary material mixture, the fermenting mixture material for the treatment of mixed is discharged from discharge port, the fermenting case of directly packing into fermentation, or in the woven bag of packing into and deliver to sweathouse through 6 ~ 7 days the fermentation after, namely become green organic fertilizer, the heat produced by fermentation can reach 65 ℃, can kill the various mushrooms more than 90%, configurable ventilation oxygen supply equipment in actually operating, temperature and humidity during with the adjusting organic fertilizer fermentation, if the discharge port downside of stirrer is provided with a rotation conveyor certainly, also the material mixed can be discharged to place, and then be shipped to the fermenter fermentation with shovel loader, also can reach same purpose, green organic fertilizer after fermentation also can be again through pulverizing and granulating equipment, the extensible granular organic fertilizer that is processed into.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (5)
1. method of utilizing organic sludge to make fertilizer, it is characterized in that: prepare weight proportion and be organic fermentation auxiliary material of 20% ~ 50% and 50% ~ 80% sludge filter cake and prepare material, wherein the water content of organic fermentation auxiliary material is 25% ~ 50%, granular size is 10mm ~ 20mm, the water content of described sludge filter cake is 80% ~ 90%, described organic fermentation auxiliary material is the bacterium slag, and described bacterium slag is the residue of mushroom, auricularia auriculajudae or needle mushroom; Prepare microbial inoculum, described microbial inoculum contains photosynthetic bacterium, fixed nitrogen sporeformer, P and K decomposing bacterium, lactobacillus, yeast and high temperature resistant actinomyces, and in the auxiliary material storehouse mix bacterium agent and organic fermentation auxiliary material, even mixed fermentation auxiliary material mixture is transported on travelling belt through transfer roller, and the travelling belt auxiliary material mixture that will ferment is sent in stirrer; Simultaneously, the sludge filter cake after the mud feeding machine will be pulverized is transported on travelling belt, and travelling belt is sent to sludge filter cake in stirrer; Stirrer abundant mixed fermentation auxiliary material mixture and sludge filter cake, mixedly treat that the organic content in the fermenting mixture material is 20% ~ 60%, carbon-nitrogen ratio is 20 ~ 40, the pH value is 6 ~ 8, water content is 45% ~ 65%, then by mixed, treats that the fermenting mixture material delivers in fermenting case and fermented at normal temperatures 6 ~ 10 days.
2. the method for utilizing organic sludge to make fertilizer according to claim 1 is characterized in that: the water content of described organic fermentation auxiliary material be 30% ~ 40% and granular size be 15mm.
3. device that utilizes organic sludge to make fertilizer, it is characterized in that: comprise the mud feeding machine, described mud feeding machine is the box-type feeder of forced feeding, the downside of the discharge port of described mud feeding machine is provided with the input terminus of tilting travelling belt, the side of described travelling belt is provided with fermentation auxiliary material mixture is transported to the worm conveyor on travelling belt, the input terminus of described worm conveyor is connected with the discharge port in auxiliary material storehouse, the downside of the output terminal of described travelling belt is provided with the sludge filter cake and the well-mixed stirrer of fermentation auxiliary material mixture after making to pulverize, described stirrer is biaxial rneader, described stirrer discharging is in fermenting case.
4. the device that utilizes organic sludge to make fertilizer according to claim 3, it is characterized in that: the output terminal of described travelling belt is higher than input terminus.
5. the device that utilizes organic sludge to make fertilizer according to claim 3, it is characterized in that: the side of described travelling belt also is provided with another worm conveyor and coupled standby auxiliary material storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104236452A CN102515902B (en) | 2011-12-17 | 2011-12-17 | Method and device for producing organic fertilizer from organic sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104236452A CN102515902B (en) | 2011-12-17 | 2011-12-17 | Method and device for producing organic fertilizer from organic sludge |
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| Publication Number | Publication Date |
|---|---|
| CN102515902A CN102515902A (en) | 2012-06-27 |
| CN102515902B true CN102515902B (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104236452A Expired - Fee Related CN102515902B (en) | 2011-12-17 | 2011-12-17 | Method and device for producing organic fertilizer from organic sludge |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108794104A (en) * | 2017-04-28 | 2018-11-13 | 唐健发 | A kind of ecological utilization method of potassium sewage |
| CN113336596A (en) * | 2021-06-26 | 2021-09-03 | 湖南凯迪工程科技有限公司 | Method and equipment for preparing organic fertilizer by using river and lake bottom mud and livestock and poultry manure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0028194A1 (en) * | 1979-10-23 | 1981-05-06 | SOCIETE D'ENTREPRISES INDUSTRIELLES INTERNATIONALE Société Anonyme dite | Process and device for composting fermentable materials |
| CN1425635A (en) * | 2003-01-30 | 2003-06-25 | 张维民 | Method for producing biologically fermented active organic fertilizer by using organic wasters and its device |
| CN101429060A (en) * | 2008-12-15 | 2009-05-13 | 杨涛 | Fermentation disinfection mechanical treatment process and apparatus for livestock and poultry feces |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002143896A (en) * | 2000-11-15 | 2002-05-21 | Kiyomoto Iron & Machinery Works Co Ltd | Method for treating organic waste and sewage sludge or animal feces, or sewage sludge and animal feces |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0028194A1 (en) * | 1979-10-23 | 1981-05-06 | SOCIETE D'ENTREPRISES INDUSTRIELLES INTERNATIONALE Société Anonyme dite | Process and device for composting fermentable materials |
| CN1425635A (en) * | 2003-01-30 | 2003-06-25 | 张维民 | Method for producing biologically fermented active organic fertilizer by using organic wasters and its device |
| CN101429060A (en) * | 2008-12-15 | 2009-05-13 | 杨涛 | Fermentation disinfection mechanical treatment process and apparatus for livestock and poultry feces |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002－143896A 2002.05.21 |
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