CN108658690A - A kind of production system and its production method of microbial organic/inorganic compound fertilizer - Google Patents

A kind of production system and its production method of microbial organic/inorganic compound fertilizer Download PDF

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Publication number
CN108658690A
CN108658690A CN201810974514.5A CN201810974514A CN108658690A CN 108658690 A CN108658690 A CN 108658690A CN 201810974514 A CN201810974514 A CN 201810974514A CN 108658690 A CN108658690 A CN 108658690A
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roller
level
gas
dryer
tail gas
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张文丽
闫文娟
张良聪
胡广镇
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Shandong Hongyun Engineering Design Co Ltd
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Shandong Hongyun Engineering Design Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00Fertilisers characterised by their form
    • C05G5/10Solid or semi-solid fertilisers, e.g. powders
    • C05G5/12Granules or flakes
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00Fertilisers characterised by their form
    • C05G5/30Layered or coated, e.g. dust-preventing coatings

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Fertilizers (AREA)

Abstract

The invention belongs to chemical production equipment, production of compound fertilizer technical fields, and in particular to a kind of production system and its production method of microbial organic/inorganic compound fertilizer.Including being granulated section, cooling screening section and vent gas treatment section;Section is granulated to include comminutor, dryer, air-heater, hot-blast stove, whitewashing slot, collect sink and dosage bunker;Cooling screening section includes roller scalping, roller dusting cover, roller cooler, roller coating machine and finished product screen;Vent gas treatment section includes slurry-spraying pelletizing expansion chamber, level-one Venturi scrubber, cooling Venturi scrubber, cooling cyclone dust collectors, two level Venturi scrubber, comprehensive exhaust fan, comprehensive tail gas washing tower, deodorization and washing tower, electrostatic precipitator, level-one gas-liquid separator, two level gas-liquid separator, level-one venturi circulating slot, two level venturi circulating slot.Production system of the present invention produces microbial organic/inorganic compound fertilizer, both can guarantee organic matter, microorganism and inorganic matter mixture homogeneity, while avoiding the loss of compound fertilizer active ingredient;And reduce the pollution of the consumption and tail gas of the energy to environment.

Description

A kind of production system and its production method of microbial organic/inorganic compound fertilizer
Technical field
The invention belongs to chemical production equipment, production of compound fertilizer technical fields, and in particular to a kind of microbial organic/inorganic The production system and its production method of compound fertilizer.
Background technology
For a long time, in order to meet needs of the people to cereal crops, chemistry fertilizer is excessively relied in China's agricultural production Material and pesticide, this not only causes the waste of a large amount of non-renewable resources, and this season crops also compare the utilization rate of chemical fertilizer Low, the utilization rate of wherein nitrogen potash fertilizer is only 30-50%, phosphate fertilizer 20-30%.Chemical fertilizer utilization ratio is relatively low not only to cause chemistry A large amount of wastes of fertilizer, and return ecological environment and bring undesirable influence, for example a large amount of applications of chemical fertilizer easily cause soil Earth pollutes, and causes the hardened of soil, and then cause the decline of soil quality and quality of agricultural product.
In addition to this, the loss of chemical fertilizer also easily causes body eutrophication, and water quality is by severe exacerbation, nitre in underground water Phosphate content is exceeded, has seriously affected the quality of China's ecological environment.The application of organic fertilizer can improve soil with fertilizing soil The physicochemical property of earth, but wherein available nutrient content is low, and fertilizer efficiency is also slow.
Microbial organic/inorganic compound fertilizer is to be inoculated with effective functional microorganism flora on the basis of compound organic and inorganic fertilizer A kind of new-type fertilizer being made.The application of biological organic-inorganic compound fertilizer can improve soil total nutrients and available nutrient Content promotes plant strain growth, improves crop quality, increases crop yield.
With the fast development of compound (mixed) the fertile industry in China, compound (mixed) fertile production technology is from single granulating method work Skill develops to the various moderns production technique for fertilizer such as slurry process, granulating method, fused mass granulating method, blending method, coating granulation method.Liu Yu Red research has shown that different production technologies, different (compound (mixed) fat jobs of Liu Yuhong different process point of the fertilizer performance produced Release and nutritional effect research [D] Southwestern Universities, 2012.).
Slurry-spraying pelletizing is the common processing method of fertilizer production, but spray granulation need temperature control 500~ 600 DEG C, flash evapn falls large quantity of moisture, which not only consumes mass energy, seriously pollutes atmospheric environment;Simultaneously in fertilizer Many organic substances can be destroyed as flue gas, steam empty together, and organic substance is caused largely to be lost in.
Invention content
In order to overcome the above problem, the present invention provides production system and its production of a kind of microbial organic/inorganic compound fertilizer Method.The present invention uses secondary granulation technology, is heated using steam after first mixing microbial inoculum, organic matter and returning charge, It is granulated in comminutor, to reduce damage of the high temperature to microorganism, organic matter;Then in dryer slurry-spraying pelletizing area It is interior by inorganic slurry carry out slurry-spraying pelletizing, be wrapped in the outside of organic material and microorganism mixture, both ensure that in this way organic matter, Microorganism and inorganic matter mixture homogeneity, while reducing the loss of compound fertilizer active ingredient, make granularity more uniformly, hardness more Height, appearance are more beautiful.In addition, in order to reduce the pollution to environment, the present invention also sets up effective exhaust gas processing device.
To achieve the above object, the present invention uses following technical scheme:
The first aspect of the present invention improves a kind of production system of microbial organic/inorganic compound fertilizer, the production system Including prilling section, cooling screening workshop section and vent gas treatment workshop section;Prilling section section includes comminutor 1, dryer 2, air-heater 9, hot-blast stove 10, whitewashing slot 8, collection sink 21 and dosage bunker 22;Comminutor 1 is connect by belt feeder with dryer 2, comminutor 1 offgas outlet is connect with the import of hot-blast stove 10, and the outlet of hot-blast stove 10 is connect through air-heater 9 with 2 air inlet of dryer, slot of whitewashing 8 discharge ports are connect with dryer 2, and whitewashing slot waste gate is connect with 1 feed inlet of comminutor;It collects 21 water outlet of sink and matches 22 water inlet of hopper connects, and 22 discharge port of dosage bunker is connect with machine inlet is granulated;Cooling screening workshop section include roller scalping 3, Roller dusting cover 4, roller cooler 5, finished product screen 6 and roller coating machine 7,3 discharge port of roller scalping successively with roller dusting cover 4, rolling Cylinder cooler 5, finished product screen 6 and roller coating machine 7 connect;Vent gas treatment workshop section includes slurry-spraying pelletizing expansion chamber 11, level-one text mound In washer 12A, cooling Venturi scrubber 12B, cooling cyclone dust collectors 13, two level Venturi scrubber 14, comprehensive tail gas Wind turbine 15, comprehensive tail gas washing tower 16, deodorization and washing tower 17, electrostatic precipitator 18, level-one gas-liquid separator 27, two level gas-liquid separation Device 28, level-one venturi circulating slot 29, two level venturi circulating slot 30;Slurry-spraying pelletizing expansion chamber 11 and level-one Venturi scrubber 12A is connected, the outlet level-one Venturi scrubber 12A successively with level-one gas-liquid separator 27, two level Venturi scrubber 14, two level Gas-liquid separator 28, comprehensive exhaust fan 15, comprehensive tail gas washing tower 16, deodorization and washing tower 17 are connected with electrostatic precipitator 18, cold But 13 exhaust outlet of cyclone dust collectors is connected with cooling Venturi scrubber 12B;2 discharge port of dryer and 3 feed inlet of roller scalping Connection is connect after the discharge of 2 tail gas of dryer with slurry-spraying pelletizing expansion chamber 11.
Preferably, roller scalping 3, roller dusting cover 4, roller cooler 5,7 each tail gas mouth of roller coating machine and cooling whirlwind Deduster 13 connects.
Preferably, roller coating machine 7 is also connect with biological bacteria feeding chamber 26.
Preferably, material inlet 31, feed slurry inlet 32, hot wind inlet 33, granulation zone 34, drying are equipped in dryer successively Area 35, material outlet 36 and wind outlet 37.
The second aspect of the present invention also provides a kind of multiple using above-described production system production microbial organic/inorganic The method of complex fertilizer, which is characterized in that include the following steps:
(1) mixing granulation
Bacterium solution is made with after being mixed from the solution for collecting sink 21 in dosage bunker 22 in microorganism fungus kind, and former with machine Material and returning charge mix in comminutor 1, are then heated, are granulated to mixture using steam;Material after granulation passes through skin Band machine enters the drying of dryer 2, and whitewashing slot 8 connect with 8 granulation zone 34 of dryer, inorganic slurry is whitewashed in granulation zone 34 After granulation, dried into dry section 35;
(2) cooling screening
Material after step (1) is dried is delivered to roller scalping 3 through belt feeder, roller dusting cover 4 sieves, after screening Material enter roller cooler 5 and cooled down, material after cooling enters finished product screen 6 and is sieved, the material after screening into Enter roller coating machine 7, at the same will come from the powder microbial bacterial agent of biological bacteria feeding chamber 26 together with coating oil to material into Row coating, powder microbial bacterial agent are uniformly coated on the surface of material;
(3) vent gas treatment
Dryer tail gas generated by granulation enters slurry-spraying pelletizing dust-settling compartment 11 by wind outlet 37, and the tail gas after sedimentation is through level-one text mound In enter level-one gas-liquid separator 27, the washing of two level Venturi scrubber 14, two level gas-liquid separator after washer 12A washing 28, the tail gas after washing separation using comprehensive tail gas washing tower 16 by carrying out spray dust's washing, and enters deodorization and washing 17 deodorization of tower, tail gas enters the micro dust in the removing gas of electric demisting 18, then is discharged into air through chimney;
The tail gas that roller scalping 3, roller dusting cover 4, roller cooler 5 and roller coating machine 7 generate is discharged into cooling whirlwind 13 dedusting of deduster, then after cooling Venturi scrubber 12B washings, with tail gas generated by granulation two level gas-liquid separator 28, washing point Tail gas from after enters 17 deodorization of deodorization and washing tower by carrying out spray dust's washing using comprehensive tail gas washing tower 16, Tail gas enters the micro dust in the removing gas of electric demisting 18, then is discharged into air through chimney.
Preferably, step (1) comminutor vapor (steam) temperature is 130~170 DEG C, and temperature of charge is 70~90 DEG C, steam pressure For 0.3~0.8MPa, moisture content of material is 40~55%;2 dry section 35 of step (1) dryer is received by hot-blast stove in hot wind The flue gas provided through hot air duct under machine effect is dried, and flue gas inlet air temperature is 300-350 DEG C, and it is 70 to go out dryer temperature ~80 DEG C.
Preferably, step (1) dryer material feeding temperature is 40~60 DEG C, and drop temperature is 60~70 DEG C.
Preferably, step (2) roller cooler inlet air temperature is 25~30 DEG C, and air outlet temperature is 35~45 DEG C.
Preferably, step (2) roller cooler material feeding temperature is 60~70 DEG C, and drop temperature is 30~40 DEG C.
Present invention mixing granulation in comminutor by organic materials and returning charge granulates to make material be in best State, present invention selection are passed through steam in comminutor, and temperature of charge can be not only improved using steam, reduce moisture, and And process drying load below can be also reduced, in addition, can also make the particle densification after drying, intensity higher;Steam temperature of the present invention At 130~170 DEG C, Steam pressure control can avoid high temperature to organic matter in 0.3~0.8MPa under this environmental condition for degree control Damage, biological bacteria is mixed in finished product screen with organic material, inorganic material finally, greatly reduces the damage of compound fertilizer active ingredient It loses.Final products moisture of the present invention is 8~12%.
Production of compound fertilizer system of the present invention connects the import of comminutor offgas outlet and hot-blast stove, as the tune of air-heater Air is saved, partial heat energy has been recycled, has reduced the consume of the energy.The present invention produces the tail gas generated through two-stage Venturi scrubbing, After scrubbing tower, deodorizing tower and electric demisting discharge, the pollution to environment is greatly reduced.Before drying materials postcooling, use Belt feeder is transmitted, and belt is longer, is on the one hand not easy stifled paste, on the other hand can be radiated, so as to reduce cooler energy Consumption.
The present invention is completed in system and is dried twice, and carries out a cooling treatment, (is made with traditional procedure of processing Grain-drying-cooling-secondary granulation-secondary drying-secondary cooling) it compares, present device reduces nearly half, substantially reduces Equipment investment cost, while reducing occupied space.
The advantageous effect that the present invention obtains:
(1) production system of the present invention produces microbial organic/inorganic compound fertilizer, both can guarantee organic matter, microorganism and inorganic The mixture homogeneity of object, while avoiding the loss of compound fertilizer active ingredient;And reduce the energy consumption and tail gas to ring The pollution in border.
(2) drying, the use of cooling equipment is greatly reduced in production system of the present invention, reduces production cost, subtracts simultaneously Occupied space is lacked.
Description of the drawings
The Figure of description for constituting the part of the present invention is used to provide further understanding of the present invention, and of the invention shows Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.
The operation system structure schematic diagram of Fig. 1 microbial organic/inorganic compound fertilizers of the present invention.
1. comminutor, 2. dryers, 3. roller scalpings, 4. roller dusting covers, 5. roller coolers, 6. finished product screens, 7. rollers Coating machine, 8. whitewashing slots, 9. air-heaters, 10. hot-blast stoves, 11. slurry-spraying pelletizing dust-settling compartments, 12A. level-one Venturi scrubbers, 12B. cools down Venturi scrubber, and 13. cooling cyclone dust collectors, 14. two level Venturi scrubbers, 15. integrate exhaust fans, 16. tail gas washing tower is integrated, 17. deodorization and washing towers, 18. electrostatic precipitators, 19. synthesis washing tail gas pumps, 20. deodorization and washings pump, 21. sink is collected, 22. dosage bunkers, 23. dosage bunkers pump, 24. receipts sump pumps, 25 spray pumps, 26. biological bacteria feeding chambers, 27. Level-one gas-liquid separator, 28. two level gas-liquid separators, 29. level-one venturi circulating slots, 30. two level venturi circulating slots.
Fig. 2 drying machine structure schematic diagrames of the present invention.
31. material inlet, 32. feed slurry inlets, 33. hot wind inlets, 34. granulation zones, 35. dry sections, 36. material outlets, 37. wind exports.
Specific implementation mode
It is noted that described further below be all exemplary, it is intended to provide further instruction to the present invention.Unless another It indicates, all technical and scientific terms used herein has usual with general technical staff of the technical field of the invention The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation and/or combination thereof.
In order to enable those skilled in the art can clearly understand technical scheme of the present invention, below with reference to tool The embodiment of the body technical solution that the present invention will be described in detail.
The production system includes prilling section, cooling screening workshop section and vent gas treatment workshop section;Prilling section section includes making Grain machine 1, air-heater 9, hot-blast stove 10, whitewashing slot 8, collects sink 21 and dosage bunker 22 at dryer 2;Comminutor 1 passes through belt feeder It is connect with dryer 2,1 offgas outlet of comminutor is connect with the import of hot-blast stove 10, and the outlet of hot-blast stove 10 is through air-heater 9 and drying 2 air inlet of machine connects, and whitewashing 8 discharge port of slot is connect with dryer 2, and whitewashing slot waste gate is connect with 1 feed inlet of comminutor; It collects 21 water outlet of sink to connect with 22 water inlet of dosage bunker, 22 discharge port of dosage bunker is connect with machine inlet is granulated;Cooling sieve Division of labor section includes roller scalping 3, roller dusting cover 4, roller cooler 5, finished product screen 6 and roller coating machine 7, and roller scalping 3 discharges Mouth is connect with roller dusting cover 4, roller cooler 5, finished product screen 6 and roller coating machine 7 successively;Vent gas treatment workshop section includes that whitewashing is made Grain expansion chamber 11, level-one Venturi scrubber 12A, cooling Venturi scrubber 12B, cooling cyclone dust collectors 13, two level text mound In washer 14, comprehensive exhaust fan 15, comprehensive tail gas washing tower 16, deodorization and washing tower 17, electrostatic precipitator 18, level-one gas-liquid point From device 27, two level gas-liquid separator 28, level-one venturi circulating slot 29, two level venturi circulating slot 30;Slurry-spraying pelletizing expansion chamber 11 are connected with level-one Venturi scrubber 12A, the outlet level-one Venturi scrubber 12A successively with level-one gas-liquid separator 27, two Grade Venturi scrubber 14, two level gas-liquid separator 28, comprehensive exhaust fan 15, comprehensive tail gas washing tower 16, deodorization and washing tower 17 are connected with electrostatic precipitator 18, and cooling 13 exhaust outlet of cyclone dust collectors is connected with cooling Venturi scrubber 12B;Dryer 2 goes out Material mouth is connect with 3 feed inlet of roller scalping, is connect with slurry-spraying pelletizing expansion chamber 11 after the discharge of 2 tail gas of dryer.
Roller scalping 3, roller dusting cover 4, roller cooler 5,7 each tail gas mouth of roller coating machine and cooling cyclone dust collectors 13 Connection.Roller coating machine 7 is also connect with biological bacteria feeding chamber 26.In dryer successively be equipped with material inlet 31, feed slurry inlet 32, Hot wind inlet 33, granulation zone 34, dry section 35, material outlet 36 and wind outlet 37.
Comprehensive tail gas washing tower 16 is also connected with comprehensive washing tail gas pump 19, and deodorization and washing tower 17 is also connected with deodorization and washing pump 20;Comprehensive 16 bottom of tower liquid collecting zone of tail gas washing tower outlet successively with two level venturi circulating slot 30, level-one venturi circulating slot 29 It is connected with sink 21 is collected.
A kind of method of production system production microbial organic/inorganic compound fertilizer, includes the following steps:
Include the following steps:
(1) mixing granulation
Bacterium solution is made with after being mixed from the solution for collecting sink 21 in dosage bunker 22 in microorganism fungus kind, and former with machine Material and returning charge mix in comminutor 1, are then heated, are granulated to mixture using steam;Material after granulation passes through skin Band machine enters the drying of dryer 2, and whitewashing slot 8 connect with 8 granulation zone 34 of dryer, inorganic slurry is whitewashed in granulation zone 34 After granulation, dried into dry section 35;Comminutor vapor (steam) temperature is 130~170 DEG C, and temperature of charge is 70~90 DEG C, vapour pressure Power is 0.3~0.8MPa, and moisture content of material is 40~55%;2 dry section 35 of dryer, which is received, to be made by hot-blast stove in air-heater It is dried with the lower flue gas provided through hot air duct, flue gas inlet air temperature is 300-350 DEG C, and it is 70~80 to go out dryer temperature ℃;Dryer material feeding temperature is 40~60 DEG C, and drop temperature is 60~70 DEG C.
(2) cooling screening
Material after step (1) is dried is delivered to roller scalping 3 through belt feeder, roller dusting cover 4 sieves, after screening Material enter roller cooler 5 and cooled down, material after cooling enters finished product screen 6 and is sieved, the material after screening into Enter roller coating machine 7, at the same will come from the powder microbial bacterial agent of biological bacteria feeding chamber 26 together with coating oil to material into Row coating, powder microbial bacterial agent are uniformly coated on the surface of material;Roller cooler inlet air temperature is 25~30 DEG C, air outlet Temperature is 35~45 DEG C;Roller cooler material feeding temperature is 60~70 DEG C, and drop temperature is 30~40 DEG C.
(3) vent gas treatment
Dryer tail gas generated by granulation enters slurry-spraying pelletizing dust-settling compartment 11 by wind outlet 37, and the tail gas after sedimentation is through level-one text mound In enter level-one gas-liquid separator 27, the washing of two level Venturi scrubber 14, two level gas-liquid separator after washer 12A washing 28, the tail gas after washing separation using comprehensive tail gas washing tower 16 by carrying out spray dust's washing, and enters deodorization and washing 17 deodorization of tower, tail gas enters the micro dust in the removing gas of electric demisting 18, then is discharged into air through chimney;
The tail gas that roller scalping 3, roller dusting cover 4, roller cooler 5 and roller coating machine 7 generate is discharged into cooling whirlwind 13 dedusting of deduster, then after cooling Venturi scrubber 12B washings, with tail gas generated by granulation two level gas-liquid separator 28, washing point Tail gas from after enters 17 deodorization of deodorization and washing tower by carrying out spray dust's washing using comprehensive tail gas washing tower 16, Tail gas enters the micro dust in the removing gas of electric demisting 18, then is discharged into air through chimney.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications, Equivalent substitute mode is should be, is included within the scope of the present invention.

Claims (10)

1. a kind of production system of microbial organic/inorganic compound fertilizer, which is characterized in that the production system include prilling section, Cooling screening workshop section and vent gas treatment workshop section;Prilling section section includes comminutor 1, dryer 2, air-heater 9, hot-blast stove 10, spray Stock tank 8 collects sink 21 and dosage bunker 22;Comminutor 1 is connect by belt feeder with dryer 2,1 offgas outlet of comminutor and heat The import of wind furnace 10 connects, and the outlet of hot-blast stove 10 is connect through air-heater 9 with 2 air inlet of dryer, whitewashing 8 discharge port of slot and drying Machine 2 connects, and whitewashing slot waste gate is connect with 1 feed inlet of comminutor;Collect 21 water outlet of sink and 22 water inlet of dosage bunker Connection, 22 discharge port of dosage bunker are connect with machine inlet is granulated;Cooling screening workshop section includes roller scalping 3, roller dusting cover 4, rolling Cylinder cooler 5, finished product screen 6 and roller coating machine 7,3 discharge port of roller scalping successively with roller dusting cover 4, roller cooler 5, at Product sieve 6 and roller coating machine 7 connect;Vent gas treatment workshop section include slurry-spraying pelletizing expansion chamber 11, level-one Venturi scrubber 12A, Cooling Venturi scrubber 12B, cooling cyclone dust collectors 13, two level Venturi scrubber 14, comprehensive exhaust fan 15, comprehensive tail Gas wash tower 16, deodorization and washing tower 17, electrostatic precipitator 18, level-one gas-liquid separator 27, two level gas-liquid separator 28, level-one text mound In circulating slot 29, two level venturi circulating slot 30;Slurry-spraying pelletizing expansion chamber 11 is connected with level-one Venturi scrubber 12A, level-one The outlet Venturi scrubber 12A successively with gas-liquid separator 27, two level Venturi scrubber 14, gas-liquid separator 28, comprehensive tail Gas wind turbine 15, comprehensive tail gas washing tower 16, deodorization and washing tower 17 are connected with electrostatic precipitator 18,13 exhaust outlet of cooling cyclone dust collectors It is connected with cooling Venturi scrubber 12B;2 discharge port of dryer is connect with 3 feed inlet of roller scalping, the discharge of 2 tail gas of dryer It is connect afterwards with slurry-spraying pelletizing expansion chamber 11.
2. production system according to claim 1, which is characterized in that roller scalping 3, roller dusting cover 4, roller cooler 5, 7 each tail gas mouth of roller coating machine is connect with cooling cyclone dust collectors 13.
3. production system according to claim 1, which is characterized in that roller coating machine 7 also connects with biological bacteria feeding chamber 26 It connects.
4. production system according to claim 1, which is characterized in that be equipped with material inlet 31, slurry in dryer successively Import 32, hot wind inlet 33, granulation zone 34, dry section 35, material outlet 36 and wind outlet 37.
5. a kind of method producing microbial organic/inorganic compound fertilizer using any production systems of claim 1-4, It is characterized in that, includes the following steps:
(1) mixing granulation
Bacterium solution is made with after being mixed from the solution for collecting sink 21 in dosage bunker 22 in microorganism fungus kind, and with machine raw material and Returning charge mixes in comminutor 1, is then heated, is granulated to mixture using steam;Material after granulation passes through belt feeder It is dried into dryer 2, whitewashing slot 8 is connect with 8 granulation zone 34 of dryer, and inorganic slurry is carried out slurry-spraying pelletizing in granulation zone 34 Afterwards, it is dried into dry section 35;
(2) cooling screening
By material of the step (1) after dry is delivered to roller scalping 3 through belt feeder, roller dusting cover 4 sieves, the object after screening Material is cooled down into roller cooler 5, and material after cooling enters finished product screen 6 and sieved, and the material after screening enters rolling Cylinder coating machine 7, while the powder microbial bacterial agent for coming from biological bacteria feeding chamber 26 wrapping material together with coating oil Film, powder microbial bacterial agent are uniformly coated on the surface of material;
(3) vent gas treatment
Dryer tail gas generated by granulation enters slurry-spraying pelletizing dust-settling compartment 11 by wind outlet 37, and the tail gas after sedimentation is washed through level-one venturi It washs and enters level-one gas-liquid separator 27 after device 12A is washed, the washing of two level Venturi scrubber 14, two level gas-liquid separator 28, washes The tail gas after separation is washed by carrying out spray dust's washing using comprehensive tail gas washing tower 16, and enters deodorization and washing tower 17 and removes Smelly, tail gas enters the micro dust in the removing gas of electric demisting 18, then is discharged into air through chimney;
The tail gas that roller scalping 3, roller dusting cover 4, roller cooler 5 and roller coating machine 7 generate is discharged into cooling cyclone dust removal 13 dedusting of device, then after cooling Venturi scrubber 12B washings, after being detached with tail gas generated by granulation two level gas-liquid separator 28, washing Tail gas by carrying out spray dust's washing using comprehensive tail gas washing tower 16, and enter 17 deodorization of deodorization and washing tower, tail gas The micro dust in gas is removed into electric demisting 18, then air is discharged into through chimney.
Preferably, step (1) comminutor vapor (steam) temperature is 130~170 DEG C, and temperature of charge is 70~90 DEG C, steam pressure 0.3 ~0.8MPa, moisture content of material are 40~55%;2 dry section 35 of step (1) dryer, which is received, to be made by hot-blast stove in air-heater It is dried with the lower flue gas provided through hot air duct, flue gas inlet air temperature is 300-350 DEG C, and it is 70~80 to go out dryer temperature ℃。
6. according to the method described in claim 5, it is characterized in that, step (1) comminutor vapor (steam) temperature be 130~170 DEG C, object Material temperature degree is 70~90 DEG C, and steam pressure is 0.3~0.8MPa, and moisture content of material is 40~55%.
7. according to the method described in claim 5, it is characterized in that, the reception of 2 dry section 35 of step (1) dryer is existed by hot-blast stove The flue gas provided through hot air duct under air-heater effect is dried, and flue gas inlet air temperature is 300-350 DEG C, goes out dryer temperature It is 70~80 DEG C.
8. method according to claim 5, which is characterized in that step (1) dryer material feeding temperature is 40~60 DEG C, is gone out Material temperature degree is 60~70 DEG C.
9. according to the method described in claim 5, it is characterized in that, step (2) roller cooler inlet air temperature be 25~30 DEG C, Air outlet temperature is 35~45 DEG C.
10. according to the method described in claim 5, it is characterized in that, roller cooler material feeding temperature be 60~70 DEG C, go out Material temperature degree is 30~40 DEG C.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112898069A (en) * 2021-01-20 2021-06-04 河北冀衡集团有限公司蓝天分公司 Ammonia-acid method compound fertilizer production system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204097359U (en) * 2014-10-22 2015-01-14 天津芦阳化肥股份有限公司 A kind of less energy-consumption, high-level efficiency compound manure production equipment
CN205241552U (en) * 2015-11-24 2016-05-18 湖北祥云(集团)化工股份有限公司 Dustless formula compound fertilizer prilling tower
CN206127157U (en) * 2016-08-31 2017-04-26 湖北神隆楚丰肥业有限公司 Energy -conserving compound fertilizer production line
CN207062156U (en) * 2017-05-12 2018-03-02 天津东升阳化肥股份有限公司 A kind of bio-organic fertilizer process units of effectively protection microbial inoculum

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204097359U (en) * 2014-10-22 2015-01-14 天津芦阳化肥股份有限公司 A kind of less energy-consumption, high-level efficiency compound manure production equipment
CN205241552U (en) * 2015-11-24 2016-05-18 湖北祥云(集团)化工股份有限公司 Dustless formula compound fertilizer prilling tower
CN206127157U (en) * 2016-08-31 2017-04-26 湖北神隆楚丰肥业有限公司 Energy -conserving compound fertilizer production line
CN207062156U (en) * 2017-05-12 2018-03-02 天津东升阳化肥股份有限公司 A kind of bio-organic fertilizer process units of effectively protection microbial inoculum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112898069A (en) * 2021-01-20 2021-06-04 河北冀衡集团有限公司蓝天分公司 Ammonia-acid method compound fertilizer production system

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Application publication date: 20181016