CN109731360A - A kind of organic-inorganic spray drying device and method - Google Patents
A kind of organic-inorganic spray drying device and method Download PDFInfo
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Abstract
The invention discloses a kind of organic-inorganic spray drying device and methods, this equipment includes electric control system, material delivery system, gas heating system, drying system, exhaust treatment system with, rewinding cooling system, material delivery system, gas heating system are connected with drying system jointly, drying system is connected with rewinding cooling system, and rewinding cooling system, drying system are connected with exhaust treatment system；Process are as follows: liquid and waste slag produced collection and separation obtain water-soluble filtrate, and the inorganic fertilizer for adding potassium humate and agricultural grade obtains slurries, and slurries carry out atomization drying through this organic-inorganic spray drying device and obtain organic-inorganic Water soluble fertilizer dry powder.This equipment drying effect is good, is not in wall sticking phenomenon, both economically and environmentally beneficial.This method is applied widely, takes full advantage of resource.
Description
Technical field
The present invention relates to a kind of spray drying device and method more particularly to a kind of organic-inorganic spray drying device and sides
Method.
Background technique
Spray drying is to use atomizer by material dispersion for droplet, and dry droplet with hot gas, to obtain product
A kind of drying means.The method can directly make the dry powdering of solution, emulsion or particulate preparation, can save devaporation, crush
Etc. processes, thus be widely used in numerous industries, such as in fertilizer in chemical field, pesticide, the production of ceramics, food service industry
The production of granular milk powder, coffee.However, existing spray drying device is unable to continuous production, material is easy to be adhered to machine
Inner wall, both caused the waste of material, it is also necessary to spend a large amount of manpower and material resources to go to clear up, improve production cost；And it is existing
Spray drying device hot wind and material enter channel design it is not reasonable, both increased the volume of equipment, and also resulted in gas-solid
Mixture flowing has some setbacks, and causes to dry quality that is insufficient and influencing product, meanwhile, dry insufficient meeting is so that product contains
Moisture content is high, and the case where material is attached to machine inner wall has been further aggravated.In addition, the dust processing of existing spray drying device is inadequate
It is perfect, it is easy pollution environment, such situation is both uneconomical or not environmentally.Meanwhile there are no about organic-inorganic currently on the market
The method that the method for material mixing spray drying obtains organic-inorganic Water soluble fertilizer.
Summary of the invention
In order to solve shortcoming present in above-mentioned technology, the present invention provides a kind of organic-inorganic spray drying devices
And method.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of organic-inorganic spray drying device,
Including electric control system, it further include material delivery system, gas heating system, drying system, exhaust treatment system with, receive
Expect cooling system, electric control system is for controlling material delivery system, gas heating system, drying system, vent gas treatment system
The work of system, rewinding cooling system；Material delivery system, gas heating system are connected with drying system jointly, drying system
It is connected with rewinding cooling system, rewinding cooling system, drying system are connected with exhaust treatment system；
Material delivery system includes material pond, filter, charging pump, and material pond is connected with filter, filter and confession
Material pump is connected, and charging pump is connected by conveying pipeline with drying system；
Gas heating system includes combustion furnace, matching air box, hot-air distributor, and the side of combustion furnace is provided with burner, combustion
Burner is used for combustion gas；Combustion furnace is connected by hot air pipe with hot-air distributor, and hot-air distributor is in the shape of a spiral and hot wind
Hot wind blower motor is provided in distributor, high-temperature hot-air is transported in drying system by hot wind blower motor；
Drying system includes centrifugal atomizer, spray drying tower, vortex chamber of gathering materials；Centrifugal atomizer is mounted on hot wind distribution
The top of spray drying tower is arranged in the center of device, hot-air distributor, and centrifugal atomizer is connected with conveying pipeline, by material
It is separated into subtle material mist；Spray drying tower includes the shell portion and conical section being integrally connected, and is set on the wall of shell portion
It is equipped with observation door, vibration device is provided on the inner wall of conical section, vibration device is for preventing material mist from going out in the drying process
Existing wall sticking phenomenon；Vortex chamber of gathering materials is connected with the conical section of spray drying tower, is provided with willy-willy in vortex chamber of gathering materials and removes
Dirt device, willy-willy deduster are connected with No.1 dust removing tube, and No.1 dust removing tube is connected with exhaust treatment system；Spray drying tower with
Vortex chamber of gathering materials is communicated with No.1 rewinding pipe in bottom jointly, and No.1 rewinding pipe is connected with rewinding cooling system；
Rewinding cooling system includes rewinding cylinder, receiving warehouse, rewinding air-introduced machine, air-cooler；Whirly is provided in rewinding cylinder
Deduster, whirly deduster are connected separately with No. two dust removing tubes, No. two rewinding pipes, and No. two rewinding pipes are connected with No.1 rewinding pipe
It connects, No. two dust removing tube exhaust treatment systems are connected；Rewinding air-introduced machine is arranged on No. two rewinding pipes, and receiving warehouse is located at rewinding cylinder
Lower section and receiving warehouse bottom be provided with baiting valve, air-cooler is arranged between receiving warehouse and baiting valve；
Exhaust treatment system includes dedusting air-introduced machine, water dust scrubber, pond, dedusting interface；The No.1 of drying system is removed
Dirt pipe, rewinding cooling system No. two dust removing tubes be both connected on dedusting interface, dedusting interface is connected with dedusting air-introduced machine, removes
Dirt air-introduced machine is connected with water dust scrubber, and water dust scrubber is connected with pond.
Further, it encloses at the top of spray drying tower equipped with guardrail.
Further, hot-air distributor has volute passage, and the air duct import cross-sectional area of volute passage is in tapered variation
Taper annular space is formed, the interior outside of taper annular space is vertically arranged with multiple wind deflectors, and the tilt angle of wind deflector is 0 °~35 °.
Further, combustion furnace uses direct-type fuel gas hot-blast stove.
Further, the side of air-cooler, which is provided with, adjusts wind butterfly valve.
Further, vortex chamber of gathering materials is at least provided with two.
A kind of process using organic-inorganic spray drying device production organic-inorganic Water soluble fertilizer dry powder, detailed process
Include the following steps:
Step 1: the liquid and waste slag produced collection in Alcohol Production or food processing process is taken off through plate and frame filter press
Water process separates waste residue with water-soluble filtrate, and a large amount of lignocellulosic (including lignin, cellulose are contained in waste residue
Deng), lignocellulosic directly dries the organic fertilizer use for low-end product after processing；
Step 2: the water-soluble filtrate that step 1 is obtained (contains a large amount of water-soluble organic matter, such as in water-soluble filtrate
The full water-solubles such as N P and K substance) using evaporator progress concentration operation, it is condensed into the concentrate that water content is 40~60%, to
The inorganic fertilizer that potassium humate and agricultural grade are added in concentrate, obtains slurries；
Step 3: the slurries that step 2 obtains are added in feed liquid pond, after slurries are filtered, pumped by charging pump
Enter into centrifugal atomizer, centrifugal atomizer have high-speed rotating atomizing disk, slurries are dispersed under the action of atomizing disk
At extremely fine material mist；Meanwhile gas heating system provides high-temperature hot-air, high-temperature hot-air enters through the effect of hot-air distributor
It is uniformly contacted in spray drying tower and with material mist, material mist is dried as dry powder；
Step 4: the obtained dry powder of step 3 carries out primary dedusting through willy-willy deduster, then through whirly deduster
Final dusting is carried out, to obtain organic-inorganic Water soluble fertilizer dry powder；Organic-inorganic Water soluble fertilizer dry powder is after air-cooler is cooling, under
Valve discharge is expected, to obtain final product；The useless dirt of the exhaust gas generated in the process is handled by exhaust treatment system.
Further, the inorganic fertilizer of agricultural grade described in step 2 is potassium sulfate, ammonium sulfate, ammonium nitrate phosphorus, monoammonium phosphate.
Liquid and waste slag produced in Alcohol Production or food processing process provides organic matter for organic-inorganic Water soluble fertilizer dry powder
Source, liquid and waste slag produced can be Alcohol Production waste water and dregs, corn fermentation liquid waste water and dregs, fermented gournet powder liquid waste water and dregs etc..
Further, in slurries each material composition percentage are as follows: organic matter 40~50%, ammonium sulfate 25~30%, nitre
Ammonium phosphorus 10~20%, potassium sulfate 25~30%, monoammonium phosphate 20~25%, potassium humate 9~11%.
The invention discloses a kind of organic-inorganic spray drying device and method, which has quantity-produced ability,
Greatly improve production efficiency；Spiral hot-air distributor cooperates the centrifugal atomizer of special designing simultaneously, so that gas-solid
Mixture flowing is smooth, avoids wall sticking phenomenon, has saved material, while heating method is reasonable in tower, misty material is spraying
In mist drying tower will not sinuous flow it is dynamic, will not be deposited in tower, drying effect is good；In addition, using efficient water dust scrubber,
Guarantee that dust will not be emitted into atmosphere, it is both economically and environmentally beneficial.This method is suitable for the production of multiple product, and material can be molten
Liquid, emulsion, suspension are also possible to molten liquid, and powdery, graininess, hollow ball-shape etc. can be made in dry products as needed,
With very extensive applicability.Using the method for the organic-inorganic Water soluble fertilizer that the equipment is prepared into, fill up using spraying dry
Dry method prepares the technological gap of the water-soluble fertilizer product of organic-inorganic, can carry out spray drip irrigation equipment and carry out water-fertilizer integral system behaviour
Make, reduces the discharge of waste water, avoid pollution environment, and turn waste into wealth, make full use of resource.And the organic-inorganic obtained is water-soluble
Fertile not plugging, can be effectively improved soil texture, the pH value of balanced soil increases the activity of soil, improves the water conservation of soil
The performances such as fertilizer conservation improve the quality and yield of agricultural product, effectively increase peasant income.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of gas heating system of the present invention, drying system, exhaust treatment system.
Fig. 2 is the structural representation view of rewinding cooling system of the present invention.
Fig. 3 is the structural schematic diagram of material delivery system of the present invention.
Fig. 4 is the top view of part system of the present invention.
Fig. 5 is drying principles flow chart of the invention.
In figure: 1, burner；2, burner；3, matching air box；4, hot air pipe；5, hot-air distributor；6, centrifugal atomizer；7,
Spray drying tower；8, guardrail；9, door is observed；10, No.1 rewinding pipe；11, gather materials vortex chamber；12, willy-willy deduster；13, one
Number dust removing tube；14, dedusting air-introduced machine；15, water dust scrubber；16, pond；17, No. two dust removing tubes；18, rewinding cylinder；19, rewinding
Storehouse；20, rewinding air-introduced machine；21, whirly deduster；22, No. two rewinding pipes；23, dedusting interface；24, material pond；25, it filters
Device；26, charging pump；27, conveying pipeline.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
A kind of organic-inorganic spray drying device, including electric control system, it further includes material supply as shown in Figure 3
System, gas heating system as shown in Figure 1, drying system, exhaust treatment system and rewinding cooling system as shown in Figure 2
System, electric control system are cold for controlling material delivery system, gas heating system, drying system, exhaust treatment system, rewinding
But the work of system；Material delivery system, gas heating system are connected with drying system jointly, and drying system and rewinding are cooling
System is connected, and rewinding cooling system, drying system are connected with exhaust treatment system；
As shown in figure 3, material delivery system includes material pond 24, filter 25, charging pump 26, material pond 24 and filter
25 are connected, and filter 25 is connected with charging pump 26, and charging pump 26 is connected by conveying pipeline 27 with drying system；
As shown in Figure 1 and Figure 4, gas heating system includes combustion furnace 2, matching air box 3, hot-air distributor 5, combustion furnace 2
Side is provided with burner 1, and burner is used for combustion gas；Combustion furnace 2 is connected by hot air pipe 4 with hot-air distributor 5, heat
Wind distributor 5 is provided with hot wind blower motor in the shape of a spiral and in hot-air distributor 5, and hot wind blower motor transports high-temperature hot-air
Into drying system；
As shown in Figure 1 and Figure 4, drying system includes centrifugal atomizer 6, spray drying tower 7, vortex chamber of gathering materials 11；Centrifugation
Atomizer 6 is mounted on the center of hot-air distributor 5, and the top of spray drying tower 7 is arranged in hot-air distributor 5, is centrifuged mist
Change device 6 to be connected with conveying pipeline 27, is subtle material mist by material dispersion；Spray drying tower 7 includes the barrel being integrally connected
Point and conical section, observation door 9 is provided on the wall of shell portion, vibration device is provided on the inner wall of conical section, vibrates
Device is for preventing material mist from occurring wall sticking phenomenon in the drying process；The conical section of vortex chamber of gathering materials 11 and spray drying tower 7
It is connected, is provided with willy-willy deduster 12 in vortex chamber of gathering materials 11, willy-willy deduster 12 is connected with No.1 dust removing tube 13, and one
Number dust removing tube 13 is connected with exhaust treatment system；Spray drying tower 7 and vortex chamber 11 of gathering materials in bottom are communicated with No.1 jointly
Rewinding pipe 10, No.1 rewinding pipe 10 are connected with rewinding cooling system；
As shown in Fig. 2, rewinding cooling system includes rewinding cylinder 18, receiving warehouse 19, rewinding air-introduced machine 20, air-cooler；Rewinding
It is provided with whirly deduster 21 in cylinder 18, whirly deduster 21 is connected separately with 17, No. two rewinding pipes 22 of No. two dust removing tubes,
No. two rewinding pipes 22 are connected with No.1 rewinding pipe 10, and No. two 17 exhaust treatment systems of dust removing tube are connected；Rewinding air-introduced machine 20
It is arranged on No. two rewinding pipes 22, receiving warehouse 19 is located at the lower section of rewinding cylinder 18 and 19 bottom of receiving warehouse and is provided with baiting valve, cold
Blower is arranged between receiving warehouse 19 and baiting valve；
As shown in Figure 1 and Figure 4, exhaust treatment system includes dedusting air-introduced machine 14, water dust scrubber 15, pond 16, dedusting
Interface 28；The No.1 dust removing tube 13 of drying system, No. two dust removing tubes 17 of rewinding cooling system are both connected on dedusting interface 28,
Dedusting interface 28 is connected with dedusting air-introduced machine 14, and dedusting air-introduced machine 14 is connected with water dust scrubber 15, water dust scrubber 15
It is connected with pond.
The invention discloses a kind of organic-inorganic spray drying device, the rate of drying of the equipment is fast, drying effect is good, by
2 combustion gas of combustion furnace generates high-temperature hot-air, enters from the volute passage of hot-air distributor 5, high under hot-air distributor effect
The air-flow that warm wind forms Rotating with Uniform enters in spray drying tower 7, meanwhile, the atomizing disk high speed rotation of centrifugal atomizer, object
Material generates by high-speed rotating atomizing disk and disperses fine material mist, expects that the air flow contacts of mist and eddy flow, moisture evaporate rapidly,
It is able to drying in extremely short time material, powdery hollow, that wall is thin, graininess or spherical products, the product is obtained and in water can
Dissolution rapidly.Since the surface area of the droplet group of material mist is very big, drying time needed for material is very short, and hot-air distributor 5
Hot wind is forced to be spinned in spray drying tower 7 linear flowing, also helically line flows material mist, increases drying time, improves
Drying effect.
This organic-inorganic spray drying device includes material delivery system, gas heating system, drying system, vent gas treatment
System, rewinding cooling system, electric control system, each system cooperating, the work of common complete capital equipment, the tool of each system
Body characteristics are as follows:
One, material delivery system
Material delivery system uses fuzzy control, realizes the temperature of outgoing air Auto-matching of charging rate and hot-air distributor,
Temperature information is sent to electric control system by its internal thermocouple being arranged by hot-air distributor.Pass through charging rate and row
The Auto-matching of air temperature avoids temperature fluctuation from so that product moisture content is maintained at the water of needs the influence of material humidity
It is flat, to guarantee quality of finished.Charging pump uses frequency converter stepless speed regulation, and signal inputs Auto-matching temperature of outgoing air, realizes and produces
The adjusting of product granular size.
Two, gas heating system
The gas furnace of gas heating system uses direct-type fuel gas hot-blast stove, and direct-type fuel gas hot-blast stove is a kind of is with gas
Fuel, using air as the new and effective heating equipment of medium, the hot-air (i.e. high-temperature hot-air) of constant temperature, constant pressure can be continuously provided,
Temperature heats up after the high-temperature hot-air of generation is absorbed heat by matching air box, reaches rated value from the volute passage of hot-air distributor and passes through choosing
The hot wind blower motor matched is extracted, to be sent in spray drying tower.Meanwhile gas heating system apply it is temperature automatically controlled
Actuator provides reliable guarantee for system temperature control.The direct-type fuel gas hot-blast stove compared with traditional heating method, have be
It unites quick heating, small in size, output hot blast temperature is high, easy to operate, securely and reliably, the features such as equipment investment is low, and the thermal efficiency is high.
The relevant parameter of the direct-type fuel gas hot-blast stove is as follows:
1., furnace body material:
For hot-air distributor, it is mounted on the top of spray drying tower, the key of spray drying is droplet and hot-air chamber
Effectively mixing, major influence factors are that the spray trajectory of centrifugal atomizer and hot wind import form.To ensure that hot wind is effective
It imports, using the hot-air distributor of RFQ model, spiral hot-air distributor has volute passage, can make hot wind equably
It is contacted with droplet, prevents air-flow from being formed in tower and be vortexed to avoid or reduce wall sticking phenomenon to the greatest extent, hot wind is forced to do spiral shell in tower
The flowing of spin line shape, increases drying time, reduces dry tower height degree.Meanwhile centrifugal atomizer is using matched with hot-air distributor
LP type high speed atomisation device, centrifugal atomizer are mounted on the center of hot-air distributor, and making droplet, also helically line flows.Volute passage
For logarithmic spiral cable architecture, air duct import is larger, and cross-sectional area is in tapered variation, so that taper annular space air inlet is uniform；Conical ring
Outside is provided with multiple wind deflectors in gap, to control the direction of hot wind, so that the mixing of droplet and hot wind is reached technique requirement, protects
Card drying tower is in good mode of operation.The angle of wind deflector can be adjusted in the range of 0~35 °, the change of wind deflector angle
Directly control the motion profile and end product quality of droplet.The liner material of hot-air distributor is common carbon structural steel
(Q235), enclosure material Q235, insulating layer are filled using glass fibre, and skeleton material is Q235.
Three, drying system
The main structure of drying system is centrifugal atomizer, willy-willy deduster, spray drying tower and vortex chamber of gathering materials.Its
In, centrifugal atomizer is mounted on the center of hot-air distributor, using LP type high speed atomisation device matched with hot-air distributor, makes mist
Also helically line flows drop, while high-speed rotating atomizing disk makes material dispersion at extremely fine material mist, increases specific surface area,
It realizes flash evapn, can dry within several seconds.Spray drying tower includes top cover, up big and down small shell portion and conical section,
The mist accumulation of material is avoided by the connection type of cone and is sticked to tower body inner wall surface.Shell portion is furnished with a set of observation door, just
In observation inner case；Vibration device is installed on the inner wall of conical section, prevents material mist from occurring viscous wall in the drying process existing
As.Willy-willy deduster is arranged inside vortex chamber of gathering materials, and effectively makes gas solid separation, and the product of solid product is collected
In vortex chamber of gathering materials, to be transported further into rewinding cooling system.Hold together and spray by the band andgudgeon being arranged in vortex chamber of gathering materials
The connection of mist drying tower, it is settable for vortex chamber of gathering materials multiple, to increase working efficiency.In addition, at the top of spray drying tower
It encloses and is equipped with guardrail 8, play the role of protecting hot-air distributor and centrifugal atomizer.
Four, exhaust treatment system
Exhaust treatment system uses efficient water dust scrubber, and exhaust gas gives up dirt high treating effect, and recovered exhaust gas gives up dirt
It is dissolved into pond, to be uniformly processed, avoids being discharged into atmosphere and polluting environment.
Five, rewinding cooling system
Rewinding cooling system has rewinding cylinder, is provided with whirly deduster in rewinding cylinder, carries out gas solid separation again,
Substantially ensure the quality of product, isolated exhaust gas and dust enters exhaust treatment system and recycled, and solid product has rewinding
Cylinder enters receiving warehouse, and only need to open baiting valve just can obtain product, and using such mode, finished product is concentrated, convenient for packaging fortune
It is defeated.Since through cyclone dust collectors, treated that product temperature is higher, product need to carry out after air-cooler carries out material cooling processing
Rewinding is provided in the side of air-cooler for the wind speed size for controlling air-cooler and adjusts wind butterfly valve.In addition, rewinding air-introduced machine is being received
Material is cooling can also to clear up barrel simultaneously.
Six, electric control system
Electric control system integrated level is high, and automatization level is high, reduces site operation personnel's quantity, has fault self-diagnosis
Function makes corresponding processing, and alert notice according to the different failures that system occurs automatically.
In addition, consider certain angle design for the pipeline of various pieces, using bright and clean steel pipe is suppressed, avoid ramming material,
The phenomenon that putty and the excessive influence material of local resistance convey.
The drying principles of this organic-inorganic spray drying device are as shown in figure 5, detailed process are as follows: will provide the energy
Gaseous fuel is passed into combustion furnace 2, and the burning of gaseous fuel is carried out by burner 1, generates a large amount of high-temperature hot-air, then pass through
The air-supply of distribution plenum 3 is crossed into hot air pipe 4, the hot wind that transmission comes is input in hot wind distribution by hot air pipe 4, by hot wind wind orchestration
5 volute passage, threadiness of hot wind spinning in spray drying tower 7 flow；Meanwhile the feed liquid in feed liquid pond 24 is through filter 25
After filtering, by charging pump 27 be pumped into centrifugal atomizer 7, centrifugal atomizer 7 have high-speed rotating atomizing disk, be atomized
Feed liquid is dispersed into extremely fine material mist (i.e. droplet) under the action of disk, and hot wind equably contacts with material mist, expects mist several seconds
Just dry is solid product；The solid product of fraction is deposited to the bottom of spray drying tower 7, and most solid product is through big
Cyclone dust collectors 12 are dusted, and the gas and useless dirt remained on solid product enters exhaust treatment system；After dedusting
Solid product is deposited in the bottom for vortex chamber 11 of gathering materials, and with the solid product of 7 bottom of spray drying tower jointly through No.1 rewinding
Pipe 10 enters rewinding cooling system；The solid product for entering rewinding cooling system is drawn into whirly by rewinding air-introduced machine and removes
Progress final dusting in dirt device 21, remaining gas and useless dirt enter exhaust treatment system through No. two dust removing tubes 17, secondary to remove
Solid product after dirt is deposited to 18 bottom of surge drum and enters receiving warehouse 19, then after air-cooler cooling processing, by blanking
Valve discharge is to obtain final product；The gas and useless dirt for entering exhaust treatment system converge at dedusting interface 23 and by
Dedusting air-introduced machine 14 is drawn into water dust scrubber 15, is drained into pond 16 by water dust scrubber 15, gas and the dissolution of useless dirt
In the water in pond 16, then it is uniformly processed.
Organic-inorganic spray drying device disclosed in this invention has very extensive applicability, can be used for organic-inorganic
The production of Water soluble fertilizer dry powder.In the manufacturing process of alcohol, need with the starchiness such as corn, wheat, potato be raw material or with sugar
Honey etc. are raw material containing saccharic, and alcohol is made through techniques such as boiling, saccharification, fermentation and distillations, can produce in the preparation process of alcohol
The alcohol waste residue and liquid of raw a large amount of corn, wheat or potato will cause great waste if unreasonable processing, and
Pollute environment.It by taking the cassava in potato as an example, is analyzed according to data, the waste residue for producing the generation of 1 ton of cassava alcohol, which can produce 1 ton, to be had
The production of machine fertilizer, a large amount of cassava skin, cassava alcohol slag, the organic fertilizer that cassava starch dregs can be badly in need of for agricultural provides resource,
Also it lays a good foundation for the production of non-harmful green food.Therefore, this organic nothing is used the invention also discloses a kind of
Machine spray drying device produces the process of organic-inorganic Water soluble fertilizer dry powder, specifically are as follows:
Step 1: the liquid and waste slag produced collection in Alcohol Production or food processing process is dehydrated through plate and frame filter press
Waste residue is separated with water-soluble filtrate, contains a large amount of lignocellulosic (including lignin, cellulose etc.) in waste residue by processing,
Lignocellulosic directly dries the organic fertilizer use for low-end product after processing；
Step 2: the water-soluble filtrate that step 1 is obtained (contains a large amount of water-soluble organic matter, such as in water-soluble filtrate
The full water-solubles such as N P and K substance) using evaporator progress concentration operation, it is condensed into the concentrate that water content is 40~60%, to
The inorganic fertilizer that potassium humate and agricultural grade are added in concentrate, obtains slurries；
Step 3: the slurries that step 2 obtains are added in feed liquid pond 24, slurries are after the filtering of filter 25, by being fed
Pump 27 be pumped into centrifugal atomizer 7, centrifugal atomizer 7 have high-speed rotating atomizing disk, starched under the action of atomizing disk
Liquid is dispersed into extremely fine material mist；Meanwhile gas heating system provides high-temperature hot-air, high-temperature hot-air is through hot-air distributor 5
Effect enter in spray drying tower 7 and uniformly contacted with material mist, material mist is dried as dry powder；
Step 4: the obtained dry powder of step 3 carries out primary dedusting through willy-willy deduster 12, then through whirly dedusting
Device 21 carries out final dusting, to obtain organic-inorganic Water soluble fertilizer dry powder；Organic-inorganic Water soluble fertilizer dry powder after air-cooler is cooling,
It is discharged through baiting valve, to obtain final product；The useless dirt of the exhaust gas generated in the process is carried out by exhaust treatment system
Reason.
Wherein, concentrator used in step 2 is triple effect MVR evaporator；Added agricultural grade inorganic fertilizer is
Potassium sulfate, ammonium sulfate, ammonium nitrate phosphorus, monoammonium phosphate；It is liquid and waste slag produced for organic-inorganic in Alcohol Production or food processing process
Water soluble fertilizer dry powder provides Source Organic Matter, it is liquid and waste slag produced can for Alcohol Production waste water and dregs, corn fermentation liquid waste water and dregs,
Fermented gournet powder liquid waste water and dregs etc..The percentage of each material composition in slurries after mixing are as follows: organic matter 40~50%, sulfuric acid
Ammonium 25~30%, ammonium nitrate phosphorus 10~20%, potassium sulfate 25~30%, monoammonium phosphate 20~25%, potassium humate 9~11%.It is rotten
The addition for growing sour potassium can provide cut-off, prevent liquid viscosity larger, cling spray drying tower wall.
[embodiment one]
The present embodiment is that the waste residue and liquid that will be generated during monosodium glutamate process plants carries out environmental protection treatment recycling, passes through plate
Frame filter plant rejects the substances such as cellulose that water does not dissolve in waste gourmet powder fermenting liquor waste residue, containing a large amount of in water-soluble waste liquid
Water-soluble organic matter.Water-soluble waste liquid carries out being concentrated into water content being 60% by multiple-effect MVR equipment, then into concentrate
Potassium humate and agricultural grade inorganic fertilizer (potassium sulfate, ammonium sulfate, ammonium nitrate phosphorus, monoammonium phosphate) are added, is mentioned using the present invention
The organic-inorganic spray drying system of confession is spray-dried, and organic nothing of the good water solubility obtained by rewinding cooling system
Machine Water soluble fertilizer dry powder substance.The content of organic matter 45% in obtained dry powder substance, ammonium sulfate 25%, ammonium nitrate phosphorus 10%, potassium sulfate
30%, monoammonium phosphate 25%, potassium humate 11%, and contain micro middle microelement.
With the improvement of living standards, the yield of production of gourmet powder is increasing, the discharge of the waste liquid after production continues
Increase, stable processing waste residue and liquid is the most important thing in efforts at environmental protection.In waste residue and liquid in glutamate production fermentation process
Containing a large amount of organic matter, waste liquid is squeezed out by the dehydration of board and frame machine and obtains filtrate, concentrating filter liquor by N P and K etc.
Making full use of for the waste liquid after glutamate production is realized using this organic-inorganic drying equipment afterwards, it is dry to obtain organic-inorganic Water soluble fertilizer
Powder had not only reduced discharge, but also has solved the problem of environmental pollution of waste liquid, realizes waste utilization, increases effective income.
[embodiment two]
The present embodiment is that the waste residue and liquid generated in corn alcohol production process is carried out environmental protection treatment recycling, passes through sheet frame
Filter plant rejects the substances such as cellulose that water does not dissolve in cassava alcohol wastewater waste residue, containing a large amount of in water-soluble waste liquid
Water-soluble organic matter.Water-soluble waste liquid carries out being concentrated into water content being 55% by multiple-effect MVR equipment, then mends into concentrate
Add potassium humate and agricultural grade inorganic fertilizer (potassium sulfate, ammonium sulfate, ammonium nitrate phosphorus, monoammonium phosphate), is provided using the present invention
The organic-inorganic spray drying system organic-inorganic of good water solubility that is spray-dried, and is obtained by rewinding cooling system
Water soluble fertilizer dry powder substance.Organic matter 40% in obtained dry powder substance, ammonium sulfate 30%, ammonium nitrate phosphorus 20%, potassium sulfate 25%, phosphorus
Sour monoammonium 20%, potassium humate 9%, and contain micro middle microelement.
By the organic-inorganic Water soluble fertilizer dry powder of the preparation of the present embodiment, upper progress water-fertilizer integral top dressing is real in tomato ground
It tests, experimental result is as follows: being diluted in dry powder and water in the ratio of 1:300~1:200, the seedling stage, fallen flowers in tomato growth
Phase, young fruit period, the rapid expanding stage of fruit, veraison, sprayed every 10~15 days, rush Shi Yici fertilizer.Tomato after applying fertilizer
Output increased 15~20%, and taste bright in colour is good, the market price improves.Meanwhile the soil aggregate structure after fertilising obtains
Improve, balance the acidity of soil, increases soil activation, improve the performances such as the heat preservation retain water and nutrients of soil.
By tomato ground test can with obtain, corn alcohol waste liquid provided by the present embodiment production organic-inorganic water
Molten fertilizer dry powder, good water solubility, nutrient is uniform, and availability is high, can be improved the yield of crops, it is often more important that solve alcohol
The environmental issue and discharge of wastewater problem of factory, effectively improve the production efficiency of alcohol.
[embodiment three]
The present embodiment is that the waste residue and liquid generated in food processing factory's yeast juice production process is carried out environmental protection treatment recycling,
By plate-frame filtering equipment by the substances such as cellulose of water dissolution are not rejected in food processing yeast waste liquor waste residue, water-soluble waste liquid
In contain a large amount of water-soluble organic matter.Water-soluble waste liquid carries out being concentrated into water content being 40% by multiple-effect MVR equipment, then
Potassium humate and agricultural grade inorganic fertilizer (potassium sulfate, ammonium sulfate, ammonium nitrate phosphorus, monoammonium phosphate) are added into concentrate, then are passed through
Cross the water solubility that organic-inorganic spray drying system provided by the invention is spray-dried, and obtained by rewinding cooling system
Good organic-inorganic Water soluble fertilizer dry powder substance.Organic matter 45% in obtained dry powder substance, ammonium sulfate 27%, ammonium nitrate phosphorus 15%,
Potassium sulfate 27%, monoammonium phosphate 25%, potassium humate 10%, and contain micro middle microelement.
Above embodiment is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the scope of technical solution of the present invention, also belong to this hair
Bright protection scope.
Claims (9)
1. a kind of organic-inorganic spray drying device, including electric control system, it is characterised in that: it further includes material supply system
System, gas heating system, drying system, exhaust treatment system, rewinding cooling system, electric control system is for controlling material confession
To system, the work of gas heating system, drying system, exhaust treatment system, rewinding cooling system；Material supply system
System, gas heating system are connected with drying system jointly, and drying system is connected with rewinding cooling system, rewinding cooling system
System, drying system are connected with exhaust treatment system；
The material delivery system includes material pond (24), filter (25), charging pump (26), material pond (24) and filter
(25) it is connected, filter (25) is connected with charging pump (26), and charging pump (26) passes through conveying pipeline (27) and drying system phase
Connection；
The gas heating system includes combustion furnace (2), matching air box (3), hot-air distributor (5), the side setting of combustion furnace (2)
Have burner (1), burner is used for combustion gas；The combustion furnace (2) is connected by hot air pipe (4) with hot-air distributor (5)
Logical, hot-air distributor (5) is provided with hot wind blower motor in the shape of a spiral and in hot-air distributor (5), and hot wind blower motor will be high
Warm wind is transported in drying system；
The drying system includes centrifugal atomizer (6), spray drying tower (7), vortex chamber of gathering materials (11)；The centrifugal atomizer
(6) it is mounted on the center of hot-air distributor (5), hot-air distributor (5) setting is in the top of spray drying tower (7), centrifugation
Atomizer (6) is connected with conveying pipeline (27), is subtle material mist by material dispersion；The spray drying tower (7) includes connection
The shell portion and conical section of one are provided with observation door (9) on the wall of shell portion, are provided on the inner wall of conical section
Vibration device, vibration device is for preventing material mist from occurring wall sticking phenomenon in the drying process；The vortex chamber of gathering materials (11) and spray
The conical section of mist drying tower (7) is connected, and is provided with willy-willy deduster (12), willy-willy dedusting in vortex chamber of gathering materials (11)
Device (12) is connected with No.1 dust removing tube (13), and No.1 dust removing tube (13) is connected with exhaust treatment system；The spray drying tower
(7) with gather materials vortex chamber (11) and be communicated with No.1 rewinding pipe (10) jointly in bottom, No.1 rewinding pipe (10) and rewinding cooling system
System is connected；
The rewinding cooling system includes rewinding cylinder (18), receiving warehouse (19), rewinding air-introduced machine (20), air-cooler；The rewinding
It is provided with whirly deduster (21) in cylinder (18), whirly deduster (21) is connected separately with No. two dust removing tubes (17), No. two
Rewinding pipe (22), No. two rewinding pipes (22) are connected with No.1 rewinding pipe (10), No. two dust removing tube (17) exhaust treatment system phases
Connection；The rewinding air-introduced machine (20) is arranged on No. two rewinding pipes (22), and receiving warehouse (19) is located at the lower section of rewinding cylinder (18)
And receiving warehouse (19) bottom is provided with baiting valve, air-cooler is arranged between receiving warehouse (19) and baiting valve；
The exhaust treatment system includes dedusting air-introduced machine (14), water dust scrubber (15), pond (16), dedusting interface (23)；
The No.1 dust removing tube (13) of the drying system, No. two dust removing tubes (17) of rewinding cooling system are both connected to dedusting interface (23)
On, dedusting interface (23) is connected with dedusting air-introduced machine (14), and dedusting air-introduced machine (14) is connected with water dust scrubber (15), water
Film dust-remover (15) is connected with pond.
2. organic-inorganic spray drying device according to claim 1, it is characterised in that: the spray drying tower (7)
It encloses equipped with guardrail (8) at top.
3. organic-inorganic spray drying device according to claim 2, it is characterised in that: hot-air distributor (5) tool
There is volute passage, the air duct import cross-sectional area of volute passage forms taper annular space, the interior outside of taper annular space in tapered variation
Multiple wind deflectors are vertically arranged with, the tilt angle of wind deflector is 0 °~35 °.
4. organic-inorganic spray drying device according to claim 1, it is characterised in that: the combustion furnace (2) is using straight
Connect formula fuel gas hot-blast stove.
5. organic-inorganic spray drying device according to claim 1, it is characterised in that: the side of the air-cooler (23)
It is provided with and adjusts wind butterfly valve.
6. organic-inorganic spray drying device according to claim 1, it is characterised in that: the vortex chamber of gathering materials (11) is extremely
There are two few settings.
7. a kind of technique using organic-inorganic spray drying device production organic-inorganic Water soluble fertilizer dry powder described in claim 1
Method, it is characterised in that: the detailed process of the process includes the following steps:
Step 1: the liquid and waste slag produced collection in Alcohol Production or food processing process is carried out at dehydration through plate and frame filter press
Waste residue is separated with water-soluble filtrate, a large amount of lignocellulosic is contained in waste residue, lignocellulosic directly dries in the air after processing by reason
Do the organic fertilizer use for low-end product；
Step 2: containing a large amount of water-soluble organic matter in water-soluble filtrate, using steaming the water-soluble filtrate of step 1 acquisition
It sends out device and carries out concentration operation, be condensed into the concentrate that water content is 40~60%, potassium humate and agriculture are added into concentrate
With the inorganic fertilizer of grade, slurries are obtained；
Step 3: the slurries that step 2 obtains are added in feed liquid pond (24), slurries are after filter (25) are filtered, by being fed
What pump (27) was pumped into arrives in centrifugal atomizer (7), and centrifugal atomizer (7) has high-speed rotating atomizing disk, in the work of atomizing disk
Extremely fine material mist is dispersed into lower slurries；Meanwhile gas heating system provides high-temperature hot-air, high-temperature hot-air is through hot wind point
The effect of orchestration (5) is entered in spray drying tower (7) and is uniformly contacted with material mist, and material mist is dried as dry powder；
Step 4: the obtained dry powder of step 3 carries out primary dedusting through willy-willy deduster (12), then through whirly deduster
(21) final dusting is carried out, to obtain organic-inorganic Water soluble fertilizer dry powder；Organic-inorganic Water soluble fertilizer dry powder after air-cooler is cooling,
It is discharged through baiting valve, to obtain final product；The useless dirt of the exhaust gas generated in the process is carried out by exhaust treatment system
Reason.
8. the technique according to claim 7 using organic-inorganic spray drying device production organic-inorganic Water soluble fertilizer dry powder
Method, it is characterised in that: the inorganic fertilizer of agricultural grade described in step 2 is potassium sulfate, ammonium sulfate, ammonium nitrate phosphorus, monoammonium phosphate.
9. the technique according to claim 8 using organic-inorganic spray drying device production organic-inorganic Water soluble fertilizer dry powder
Method, it is characterised in that: the percentage of each material composition in the slurries are as follows: organic matter 40~50%, ammonium sulfate 25~30%,
Ammonium nitrate phosphorus 10~20%, potassium sulfate 25~30%, monoammonium phosphate 20~25%, potassium humate 9~11%.
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| CN201811606561.0A CN109731360A (en) | 2018-12-27 | 2018-12-27 | A kind of organic-inorganic spray drying device and method |
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Application publication date: 20190510 |