CN102093110A - Method for producing biological fermentation compound fertilizer by fermenting organic waste water with glutamic acid - Google Patents
Method for producing biological fermentation compound fertilizer by fermenting organic waste water with glutamic acid Download PDFInfo
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- CN102093110A CN102093110A CN2010106012112A CN201010601211A CN102093110A CN 102093110 A CN102093110 A CN 102093110A CN 2010106012112 A CN2010106012112 A CN 2010106012112A CN 201010601211 A CN201010601211 A CN 201010601211A CN 102093110 A CN102093110 A CN 102093110A
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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
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- 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
Abstract
The invention discloses a method for producing a biological fermentation compound fertilizer by fermenting organic waste water with glutamic acid, which mainly comprises the following steps: carrying out multiple-effect evaporation concentration on waste liquor fermented by glutamic acid, extracting mycoprotein, carrying out multiple-effect concentration, carrying out low-temperature spraying fluidized granulation (adding inorganic constituents), screening, and cooling to obtain the finished biological fermentation compound fertilizer product. The method can overcome the defect that organic substance constituents can be coked and decomposed at high temperature, causing secondary pollution on the atmosphere and soil pollution caused by carbides in the spouting granulation technique, and develops a creative way for realizing zero discharge of organic waste water.
Description
Technical field
The present invention relates to a kind of production method of compound fertilizer, refer in particular to and utilize glutamic acid fermentation organic waste water to produce the method for biological ferment compound mixed fertilizer.
Background technology
At present, glutamic acid fermentation manufacturing enterprise great majority are produced L-glutamic acid by biological fermentation process, generate monosodium glutamate (monosodium glutamate) with sodium hydroxide or yellow soda ash reaction.The main technique flow process is: starch → glucose → (biological fermentation process) → L-glutamic acid → (making with extra care) → monosodium glutamate (monosodium glutamate).Broth extraction L-glutamic acid becomes fermented waste fluid, contains a large amount of thalline, multiple fermentation intermediate and trace element in the fermented waste fluid.From fermented waste fluid behind the fox extracting thallus protein, the PH of its solution between 1.7～3～3.5, about CODcr concentration 20000mg/L, about the about 8000mg/L of ammonia nitrogen concentration, SO
4 2-Concentration is at 18000mg/L, and this waste water contains the inorganic nutrients thing that a large amount of organism (residual sugar, fat, protein), amino acid and crop can directly utilize, inorganics main component ammonium sulfate on the one hand; Contain trace elements such as phosphorus, potassium, calcium, magnesium on the other hand.If discharging arbitrarily, serious environment pollution is bound to.If administer as waste water, because the concentration height, general biological treating method is difficult to handle, even it is too big to deal with investment, working cost is high too, does not meet current energy-saving and emission-reduction, advocates the requirement of developing a circular economy.L-glutamic acid manufacturer adopts spray granulation to produce the fertile method of biological fermentation (organic and inorganic compound) mostly and handles this waste liquid both at home and abroad, and must administer tail gas.Its technology has following deficiency:
1, a large amount of organic matter coking are at high temperature decomposed, and cause the pollution to soil of atmospheric secondary pollution and carbide
Spray granulating is in tablets press, and concentrating spent liquor is sprayed into droplet under 500 ℃～600 ℃ high-temperature hot air, and flash evapn becomes solid granular.But in the process of a large amount of water vapors of evaporation, the organism in the fermented waste fluid divides at the hot conditions part of the body cavity below the umbilicus, housing the bladder, kidneys and bowels to be separated, and forms the flue gas of difficult diffusion, and tangible stink and Jiao Huweidao are arranged, and causes the severe contamination of air.There is the pollution hidden trouble to soil in the fertilizer of making under 500 ℃～600 ℃ high temperature in addition.Because under 500 ℃～600 ℃ high temperature, " pyrochemistry is strong " that the condensation chemical reaction forms easily takes place in the water-soluble substances in the slip, after " high temperature spray granulating ", thermal chemical reaction has taken place and has been transformed into water-insoluble or insoluble material in the script water-soluble substances, the microorganism that is manured into soil also is difficult to decompose, and also there is pollution hidden trouble in soil.Under the pressure of current environmental requirement, the secondary pollution that the high temperature spray granulating causes atmosphere and will seriously restrict the development of glutamic acid fermentation factory to the pollution hidden trouble of soil.
2, fertilizer is difficult for up to standard
Forming in the process of fertilizer at the high temperature spray granulating, is that concentrated fermented waste fluid directly is sprayed into the droplet shape, under the pyritous condition, moisture in the oven dry droplet forms solid substance, the fertilizer that this technology obtains is more single, can only be the material in the fermented waste fluid, should not change its moiety.Fertilizer industry has national standard, and biological fermentation (organic and inorganic compound) fertilizer of making by " high temperature spray granulating " is difficult to reach the standard of fertilizer industry.
3, energy consumption is bigger
" high temperature spray granulating " is all to evaporate by the moisture that the high-temperature hot-air following current will concentrate in the fermented waste fluid, and the water content that concentrates fermented waste fluid is 50%～60% (w/w), and its heat energy consumption is huge.
4, facility investment is big, the organic exhaust gas difficulty of governance is big
" high temperature spray granulating " makes concentrated fermented waste fluid form vaporific in the spray granulating machine by high pressure gas; and the process by moisture in the high-temperature hot air oven dry droplet; the whitewashing amount there is strict qualification, when necessary spray granulating number of devices is enough, could satisfies the requirement of handling fermented waste fluid.And, need a large amount of water coolants to cool off, and adopt technology such as plasma, electric demist, electrostatic field, biological treating that tail gas is administered to cooled low-temperature flue gas in order to reduce the whitewashing exhaust temperature.These treatment facilities not only invest big and also the life-span short, administer still not thoroughly, increased economical load to enterprise.
Because the secondary pollution of shortcoming, particularly tail gas that " high temperature spray granulating " technology is above and to the pollution hidden trouble of soil is seriously restricting the development of glutamic acid fermentation factory.
Summary of the invention
The technical problem to be solved in the present invention provides the method that a kind of glutamic acid fermentation organic waste water is produced biological ferment compound mixed fertilizer.Present method is a kind of on the basis of above-mentioned background technology, utilizes L-glutamic acid organic waste water low temperature " spray-fluidized granulation " to produce the technology of biological fermentation (organic and inorganic) compound fertilizer.The biological fermentation of this explained hereafter (organic and inorganic) compound fertilizer can reach national fertilizer standard fully, and emission-free secondary pollution problem.The made fertilizer of cold nebulization fluidization granulation has promptly kept the effective constituent in the concentrated waste water of mgs because of avoiding " high-temperature denatured " problem, has increased output, has also avoided the pollution hidden trouble of high temperature carbonization to soil.
Technical process of the present invention comprises: glutamic acid-fermented waste liquid is by concentrating, and inorganic componentss such as composite nitrogen, phosphorus, potassium, cold nebulization fluidization granulation, screening are cooled to the process of finished product.
The technical problem to be solved in the present invention is realized by following scheme: a kind of glutamic acid fermentation organic waste water is produced the method for biological ferment compound mixed fertilizer, it is characterized in that:
Step 2, the inorganic components material of nitrogenous, phosphorus, potassium dissolved in the glutamic acid-fermented waste liquid behind the said extracted tropina make saturated solution;
The saturated solution that step 3, the concentrated waste water of mgs that step 1 is made and step 2 make is mixed into mixed slurry solution, and it respectively accounts for weight percent and is the concentrated waste water of mgs 75-90% that step 1 makes, the saturated solution 10-25% that step 2 makes;
Step 4, mixed slurry solution is put into the spray-fluidized granulating equipment, saturation steam heats the internal heater of spray-fluidized granulating equipment, the warm air that feeds 190 ± 20 ℃ simultaneously carries out continuous spray-fluidized granulation, make it to become particulate state, make the particulate state biological ferment compound mixed fertilizer, final sizing is cooled to qualified product.The spray-fluidized granulating equipment is returned as kind of a crystalline substance in substandard product pulverizing back carry out granulation.
This treatment process has utilized the organic and inorganic composition in the glutamic acid-fermented waste liquid fully, has protected environment on the one hand, has also produced biological ferment compound mixed fertilizer preferably on the other hand, and its economic benefit, social benefit and environmental benefit are quite obvious.
The present invention has following beneficial effect:
1, no flue gas is to atmospheric secondary pollution phenomenon
Because whole cold nebulization fluidized gramulating process is about 190 ℃ of inlet temperature, 100 ℃ of material bed tempertaures carry out with interior.The difficult coking that takes place to dewater of organic matter in the slip is decomposed, and what give off in the equipment tail gas mainly is water at low temperature steam composition and air, does not have tangible peculiar smell to produce, and environment is not on every side had the secondary pollution problem of " flue gas ".
2, no high temperature carbonization thing is to the pollution hidden trouble of soil
The made fertilizer of cold nebulization fluidization granulation has promptly kept the effective constituent in the fermentation concentrating spent liquor because of avoiding " high-temperature denatured " problem, has also avoided the pollution hidden trouble of high temperature carbonization to soil.
3, fertilizer variety is many
The granulating raw material of this technology is containing the fermentation concentrating spent liquor of a large amount of organic matters and ammonium sulfate, constitutes by adding inorganic components, and inorganic components can be selected for use as required, so can produce the fertilizer types of difference requirement.
4, increase output, energy consumption reduction
" high temperature spray granulating " is all to evaporate by the moisture that 500 ℃～600 ℃ high-temperature hot-air following currents will concentrate in the fermented waste fluid, the water content that concentrates fermented waste fluid is 50%～60% (w/w), form solid particulate, treating tail gas need drop into a large amount of equipment, resource and power, and the consumption of energy consumption and resource also is very big input.And being the moisture that the hot blast adverse current by about 190 ℃ will concentrate in the fermented waste fluid, low temperature " spray-fluidized granulation " all evaporates, what counter current drying efficiency ratio concurrent drying efficient will be high in theory is many, and in 100 ℃ of the material bed tempertaure controls, organic matter in the slip is difficult for taking place the dehydration coking and decomposes, tail gas does not need used device, resource and power to administer, and the comprehensive energy consumption that unit product needs and " high temperature spray granulating " add tail gas and administer quite.Because the organic down difficult generation dehydration coking of the characteristics of low temperature " spray-fluidized granulation ", cold condition is decomposed, these materials also can be made product.Identical slip amount is Duoed to such an extent that product is about more than 3% than " high temperature spray granulating ", because the increase of deserved product production, comprehensive energy consumption obtains corresponding decline.Total comprehensive energy consumption is lower than " high temperature spray granulating " and adds the energy consumption that tail gas is administered.
Adopt this explained hereafter biological ferment compound mixed fertilizer, fermented waste fluid all can be utilized on the one hand, solved flue gas on the other hand atmospheric secondary pollution phenomenon and high temperature carbonization thing pollution hidden trouble to soil.
Advantage of the present invention is:
1, the present invention reaches and makes full use of this manure resources of organic and inorganic contained in the glutamic acid-fermented waste liquid, has walked out the road of an innovation for realizing the organic waste water zero release.
2, the present invention does not have flue gas (mist) to atmospheric secondary pollution problem, social benefit and obvious environment benefit.
3, the made fertilizer of the present invention had both kept the effective constituent in the fermentation concentrating spent liquor because of avoiding " high-temperature denatured " problem, had also avoided the pollution hidden trouble of high temperature carbonization to soil.
4, the biological fermentation of manufacturing of the present invention (organic and inorganic) compound fertilizer, appearance color is good, uniform granularity, intensity is big, and water content is low, and instantly-soluble is strong, reliable product quality, tool good prospects for application.
5, technology of the present invention also can be used for the processing of paper industry and other amino acid fermentation waste liquids and the production of fertilizer.
Description of drawings
Fig. 1 is existing high temperature spray granulating process flow sheet
Fig. 2 is a cold nebulization fluidized gramulating process schema of the present invention
Embodiment
As shown in Figure 2; glutami acid fermentation liquor forms elementary mother liquor after extracting fermented waste fluid (1) fox extracting thallus protein that forms behind the L-glutamic acid; feed liquefied ammonia (2) and adjust PH to 4～5; be concentrated to solid substance 40%～50% (w/w) by multiple-effect evaporator (3) and form concentrated fermented waste fluid (4); the inorganic components material dissolved in make saturated solution (5) in the fermented waste fluid (1); this saturated solution (5) is mixed and made into mixed slurry (6) by prescription and concentrated fermented waste fluid (4); to form the bottom of about 200 ℃ hot blast (8) feeding spray-fluidized granulating equipment at heating installation (7); make masterbatch on the branch wind web plate of fluidized-bed, form fluidized state; and spray-fluidized granulating equipment internal heater is heated with saturation steam (10); by high-pressure air (9) and the spray gun that is installed in the appropriate location mixed slurry (6) is sprayed in the spray-fluidized granulating equipment with vaporific, on crystal seed, carry out coating granulation or bridge formation granulation and form biological fermentation (organic and inorganic) compound fertilizer (11) and produce water vapour and the air gas mixture (12) that the cold nebulization fluidization granulation produces simultaneously.
This technology is the maturation process of testing continuously through lab scale, pilot scale, productivity.
Glutamic acid-fermented waste liquid behind the fox extracting thallus protein is concentrated to more than 27 Baumes with the quadruple effect evaporation concentration equipment, solid content about 40%, 48kg Repone K is dissolved in the glutamic acid-fermented waste liquid behind the unconcentrated fox extracting thallus protein of 107kg makes saturated solution, this saturated solution is mixed with concentrated fermented waste fluid 1000kg, make mixing solutions.By high-pressure air and the spray gun that is installed in the appropriate location this solution is sprayed in the spray-fluidized granulating equipment with vaporific.175 ℃ of granulating equipment main frame inlet temperature, 94 ℃～98 ℃ of fluidized-bed bed of material temperature, spray gun pressure 0.22MPa, make material be fluidized state by adjusting air inducing blower fan frequency at the fluidisation bed surface, this equipment moves continuously, system product cut size 1.5～3mm account for more than 90%, the finished product color and luster keeps Natural color, stops obvious charing phenomenon.Finished product bulk density 0.73～0.83, nitrogenous about 16% in the product, potassium about 20%, organic＞13%, amino acid＞10%, moisture content＜4%.Make the about 455kg of biological fermentation nitrogen potassium compound fertilizer (N15-K5).
Embodiment 2, production biological fermentation nitrogen phosphorus compound fertilizer (N15-P5)
Glutamic acid-fermented waste liquid behind the fox extracting thallus protein is concentrated to more than 27 Baumes with the quadruple effect evaporation concentration equipment, solid content about 40%, the 70kg monoammonium phosphate is dissolved in the glutamic acid-fermented waste liquid behind the unconcentrated fox extracting thallus protein of 190kg makes saturated solution, this saturated solution is mixed with concentrated fermented waste fluid 1000kg, make mixing solutions.By high-pressure air and the spray gun that is installed in the appropriate location this mixing solutions is sprayed in the spray-fluidized granulating equipment with vaporific.175 ℃ of granulating equipment main frame inlet temperature, 94 ℃～98 ℃ of fluidized-bed bed of material temperature, spray gun pressure 0.22MPa, make material be fluidized state by adjusting air inducing blower fan frequency at the fluidisation bed surface, this equipment moves continuously, system product cut size 1.5～3mm account for more than 90%, the finished product color and luster keeps Natural color, stops obvious charing phenomenon.Finished product bulk density 0.73～0.83 can be produced biological fermentation nitrogen sulphur compound fertilizer (N15-P5) 483kg of nitrogenous (N) 15%, phosphorus (P) 5%.
Embodiment 3, production biological fermentation azophoska compound fertilizer (N15-P5-K5)
Glutamic acid-fermented waste liquid behind the fox extracting thallus protein is concentrated to more than 27 Baumes with the quadruple effect evaporation concentration equipment, solid content about 40%, 80kg monoammonium phosphate and 33kg Repone K is dissolved in the glutamic acid-fermented waste liquid behind the unconcentrated fox extracting thallus protein of 220kg makes saturated solution, this solution is mixed with concentrated fermented waste fluid 1000kg, make mixing solutions.By high-pressure air and the spray gun that is installed in the appropriate location this mixing solutions is sprayed in the spray-fluidized granulating equipment with vaporific.175 ℃ of granulating equipment main frame inlet temperature, 94 ℃～98 ℃ of fluidized-bed bed of material temperature, spray gun pressure 0.22MPa, make material be fluidized state by adjusting air inducing blower fan frequency at the fluidisation bed surface, this equipment moves continuously, system product cut size 1.5～3mm account for more than 90%, the finished product color and luster keeps Natural color, stops obvious charing phenomenon.Finished product bulk density 0.73～0.83 can be produced biological fermentation azophoska compound fertilizer (N15-P5-K5) 528kg of nitrogenous (N) 15%, phosphorus (P) 5%, potassium (K) 5%.
In like manner, press embodiment 1,2,3 modes, different inorganic componentss can be dissolved in the glutamic acid-fermented waste liquid behind the unconcentrated fox extracting thallus protein and make saturated solution, adjust each composition as required and constitute, can produce the different fertilizer types that require.
Claims (1)
1. a glutamic acid fermentation organic waste water is produced the method for biological ferment compound mixed fertilizer, it is characterized in that:
Step 1, the multiple-effect concentration evaporator of packing into of the glutamic acid-fermented waste liquid behind the fox extracting thallus protein is concentrated, volume-diminished makes it into concentrated waste water of mgs, and its solid content reaches 40%～50% (w/w);
Step 2, the inorganic components material of nitrogenous, phosphorus, potassium dissolved in the glutamic acid-fermented waste liquid behind the said extracted tropina make saturated solution;
The saturated solution that step 3, the concentrated waste water of mgs that step 1 is made and step 2 make is mixed into mixed slurry solution, and it respectively accounts for weight percent and is the concentrated waste water of mgs 75-90% that step 1 makes, the saturated solution 10-25% that step 2 makes;
Step 4, mixed slurry solution is put into the spray-fluidized granulating equipment, saturation steam heats the internal heater of spray-fluidized granulating equipment, the warm air that feeds 190 ± 20 ℃ simultaneously carries out continuous spray-fluidized granulation, make it to become particulate state, make the particulate state biological ferment compound mixed fertilizer, final sizing is cooled to qualified product.
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Cited By (11)
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| CN103663593A (en) * | 2012-09-13 | 2014-03-26 | 中国辐射防护研究院 | High-salt-content low-radioactivity wastewater fluidization treatment technique and system |
| CN105418267A (en) * | 2015-12-25 | 2016-03-23 | 福建省南平市建阳区好与佳生物制肥有限公司 | Preparation method of slow-release granular fertilizer |
| CN106045701A (en) * | 2016-06-07 | 2016-10-26 | 内蒙古阜丰生物科技有限公司 | Compound fertilizer prepared from waste through fermentation with threonine |
| CN106242680A (en) * | 2016-08-02 | 2016-12-21 | 李红旗 | Aminoacid water soluble fertilizer prepared by a kind of mother solution utilizing fermentative Production riboflavin and preparation method thereof |
| CN106747821A (en) * | 2016-12-31 | 2017-05-31 | 新昌县迪斯曼科技有限公司 | The method of producing biological fermentation compound fertilizer by fermenting organic waste water with glutamic acid |
| CN107200661A (en) * | 2017-04-24 | 2017-09-26 | 内蒙古沃丰农业发展有限公司 | The technique that a kind of organic sludge produces organic fertilizer |
| CN109867398A (en) * | 2017-12-04 | 2019-06-11 | 许传高 | A kind of efficient process integrated approach of amino acid fermentation waste liquid |
| CN110526500A (en) * | 2019-08-27 | 2019-12-03 | 合肥天汇孵化科技有限公司 | A kind of reutilization system and method for high COD soybean waste liquid with high salt |
| CN111377779A (en) * | 2020-04-15 | 2020-07-07 | 宝鸡阜丰生物科技有限公司 | Method and system for producing fertilizer containing glutamic acid fermentation waste liquid |
| CN113135792A (en) * | 2021-04-28 | 2021-07-20 | 武汉富田生物科技有限公司 | Novel microbial liquid fertilizer |
| CN113755179A (en) * | 2021-09-08 | 2021-12-07 | 呼伦贝尔东北阜丰生物科技有限公司 | Method for preparing liquid soil conditioner by using amino acid waste liquid |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663593A (en) * | 2012-09-13 | 2014-03-26 | 中国辐射防护研究院 | High-salt-content low-radioactivity wastewater fluidization treatment technique and system |
| CN105418267A (en) * | 2015-12-25 | 2016-03-23 | 福建省南平市建阳区好与佳生物制肥有限公司 | Preparation method of slow-release granular fertilizer |
| CN106045701A (en) * | 2016-06-07 | 2016-10-26 | 内蒙古阜丰生物科技有限公司 | Compound fertilizer prepared from waste through fermentation with threonine |
| CN106045701B (en) * | 2016-06-07 | 2019-07-23 | 内蒙古阜丰生物科技有限公司 | The compound fertilizer prepared using Threonine Fermentation waste |
| CN106242680A (en) * | 2016-08-02 | 2016-12-21 | 李红旗 | Aminoacid water soluble fertilizer prepared by a kind of mother solution utilizing fermentative Production riboflavin and preparation method thereof |
| CN106747821A (en) * | 2016-12-31 | 2017-05-31 | 新昌县迪斯曼科技有限公司 | The method of producing biological fermentation compound fertilizer by fermenting organic waste water with glutamic acid |
| CN107200661A (en) * | 2017-04-24 | 2017-09-26 | 内蒙古沃丰农业发展有限公司 | The technique that a kind of organic sludge produces organic fertilizer |
| CN109867398A (en) * | 2017-12-04 | 2019-06-11 | 许传高 | A kind of efficient process integrated approach of amino acid fermentation waste liquid |
| CN110526500A (en) * | 2019-08-27 | 2019-12-03 | 合肥天汇孵化科技有限公司 | A kind of reutilization system and method for high COD soybean waste liquid with high salt |
| CN111377779A (en) * | 2020-04-15 | 2020-07-07 | 宝鸡阜丰生物科技有限公司 | Method and system for producing fertilizer containing glutamic acid fermentation waste liquid |
| CN113135792A (en) * | 2021-04-28 | 2021-07-20 | 武汉富田生物科技有限公司 | Novel microbial liquid fertilizer |
| CN113755179A (en) * | 2021-09-08 | 2021-12-07 | 呼伦贝尔东北阜丰生物科技有限公司 | Method for preparing liquid soil conditioner by using amino acid waste liquid |
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