CN103319227A - Continuous production method of granular humic acid urea and activation reactor - Google Patents
Continuous production method of granular humic acid urea and activation reactor Download PDFInfo
- Publication number
- CN103319227A CN103319227A CN2013102336582A CN201310233658A CN103319227A CN 103319227 A CN103319227 A CN 103319227A CN 2013102336582 A CN2013102336582 A CN 2013102336582A CN 201310233658 A CN201310233658 A CN 201310233658A CN 103319227 A CN103319227 A CN 103319227A
- Authority
- CN
- China
- Prior art keywords
- tank body
- urea
- granular
- humic acid
- stir
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Fertilizers (AREA)
Abstract
The invention relates to a continuous production method of granular humic acid urea and an activation reactor. The method comprises the following steps of: mixing granular urea and decomposed coal or brown coal with a catalyst; performing activation reaction on the mixture in the activation reactor; and cooling, crushing and prilling to prepare the granular humic acid urea fertilizer. A heat transfer jacket is arranged between an inner tank body and an outer tank body of the activation reactor. The tank body is internally provided with three stirring shafts. Interlayers are arranged on the side walls of the stirring shafts. Each spiral blade is internally of a hollow structure. Heat transfer oil is filled in the heat transfer jacket, the heat transfer interlayers and the hollow structures of the spiral blades. According to the invention, the process is short in reaction time, the activation reactor is heated adequately and uniformly, and urea is not crushed or melted, so that the energy consumption of whole production is greatly reduced.
Description
Technical field
The present invention relates to a kind of method of utilizing weathered coal or brown coal and the standby granular humic acid urea of urea reaction continuous system, belong to the agricultural fertilizer production technical field.
Background technology
China is Fertilizer application big country, and urea is one of topmost nitrogenous fertilizer, and annual urea production is the fifty-five million ton approximately, approximately 4,300 ten thousand tons of domestic usage quantitys.But the utilization ratio of urea in the farmland is low, only is 30%-35%, the part nitrogen with the volatilization of ammonia, Nitrous Oxide form or with the form leaching loss of nitrate to underground water, cause environmental pollution and the wasting of resources.
For improving the utilising efficiency of nitrogen in the urea, scholars have carried out a large amount of research, have researched and developed technique means and the method for fertilizer utilization efficiency in the multiple raising urea.The complex reactions such as complexing, hydrogen bond association, ion-exchange, physical-chemical absorption occur in urea and humic acids under certain conditions, form organic complexing salt and carbonyl affixture, urease activity and nitrobacteria activity there is restraining effect, suppress the rapid conversion loss of urea, improve the utilising efficiency of urea.Contain a large amount of carbon in the humic acids, the humic acids components such as xanthohumic acid wherein, humic acid, fulvic acid are formed with promoter action to the organic crumb structure of soil, and the organic content of Effective Raise soil promotes soil fertility to promote simultaneously.Therefore utilize humic acids and urea reaction to produce the humic acids nitrogenous fertilizer of activation, the nitrogen use efficiency that improves urea improves farmland quality simultaneously, and tool is of great significance.
Chinese patent CN1376652A, CN1283600A disclose the production method of humic acids coated urea.The method is that humic acids is wrapped in the urea granules surface, and the contact area of humic acids and urea is little, and the two does not react basically, can not reach the effect of humic acids activation and nitrogen fertilizer slow-releasing.Chinese patent CN102260112A, CN102584498A disclose the method for utilizing fusing urea and humic acids reaction to produce humic acid urea.The method is utilized fusing urea, and its limitation is that this production must dock with urea production process, if adopt this rule energy consumption too high away from the area of factory that makes urea, be not suitable for large-scale production.Chinese patent CN102153424A, CN1169975A, CN102260111A, CN102249814A disclose the reaction conditions of urea and complexing humic acid and the process of producing fertilizer; the way that these several patents adopt is that the two fully reacts rear implementation solid-liquid separation and adds or do not add other raw materials and make fertilizer; too high because of solid-liquid separation process energy consumption, be not suitable for large-scale production and use.Chinese patent CN1887819A, CN1580005A disclose urea and humic acids composting method, the method of these two patents is the two direct mixing, add again other raw material granulations, react between the two, simply to mix the composting process, wherein the effect of humic acids is difficult to performance, and can not effectively promote the utilising efficiency of nitrogen in the urea.Chinese patent CN102964174A discloses the conversion unit of a kind of urea and humic acids.This equipment applying steam heating is difficult to realize stablizing temperature control, has influence on the optimum response effect of humic acid urea, adopts two spiral propellers, and production efficiency is lower.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of continuous production method of granular humic acid urea.
The present invention also provides a kind of activated reactor for preparing granular humic acid urea.
Technical scheme of the present invention is as follows:
A kind of continuous production method of granular humic acid urea comprises the use activated reactor, and step is as follows:
(1) preparation mixture
Weathered coal or brown coal are pulverized, cross 120～200 mesh sieves, weathered coal after will sieving in mass ratio or brown coal and granular urea, solid catalyst fully mix, and then spraying liquid catalyzer, mix immediately, get mixture, described weathered coal or brown coal: granular urea: solid catalyst: the mass ratio of liquid catalyst is: (15～60): (45～80): (1～8): (2～8);
(2) priming reaction
Open activated reactor, described activated reactor is the horizontal tank body that the heat-transfer medium chuck is arranged with helical stir, and screw-blade is hollow structure and communicates with the heat transfer interlayer of stir shaft; Heat-transferring jacket to the activated reactor tank body, pass into thermal oil in the hollow structure of screw-blade and the heat transfer interlayer, the temperature of described thermal oil is 90～130 ゜ C, adjust the rotating speed of the stir shaft of activated reactor, make each agitator shaft speed be controlled at 15～40 rev/mins, when the temperature in the reactor tank body to be activated rises to 80～120 ゜ C, the mixture that step (1) is made is delivered to from the opening for feed of described activated reactor and carries out priming reaction in the activated reactor tank body, mixture behind the priming reaction is exported by discharge port with the stir shaft screw propulsion, makes activation material piece;
(3) cooling
It is 30～50 ℃ that the activation material piece that step (2) is made is cooled to temperature;
(4) pulverizing, granulation
Cooled activation material piece is delivered in the pulverizer and pulverizes, sieves, and getting granularity is 30～100 purpose work in-process; Work in-process are sent into granulation in rotating disk or the rotary drum granulator, form the particle of granularity 2～5.6mm, water content 2～10wt%, namely get granular humic acid urea.
The present invention is preferred, and described solid catalyst is the bicarbonate of ammonia powder.
The present invention is preferred, and described liquid catalyst is sodium hydroxide solution or potassium hydroxide solution, and the mass concentration of described sodium hydroxide solution or potassium hydroxide solution is 10%～40%.
The present invention is preferred, and weathered coal or brown coal described in the step (1): granular urea: solid catalyst: the mass ratio of liquid catalyst is: (30～50): (50～60): (2～6): (4～8).
The present invention is preferred, in the step (1) weathered coal or brown coal, granular urea and solid catalyst is sent in the material mixer with shower nozzle and mixes.Material mixer is existing installation.
The present invention is preferred, and the activated reactor described in the step (2) is established 3 stir shafts, and the rotating speed of these 3 stir shafts is all identical during priming reaction, is 25～35 rev/mins.
The present invention is preferred, and the cooling of described step (3) activation material piece is that activation material piece is sent into the length of 50～100m apart from cooling off in travelling belt or the fluidized-bed.Switch in turn cooling more than 2 or 2 if adopt the fluidized-bed cooling to need to be equipped with, guarantee to realize continuous production.
The particle diameter of granular urea of the present invention is best in 0.85～8.0mm scope.
Granular humic acid urea of the present invention is as various crop base manure or the use of topdressing.
The present invention also provides the activated reactor in a kind of granular humic acid urea preparation process:
Described activated reactor comprises closed horizontal tank body and motor, described horizontal tank body comprises interior tank body and outer tank body, cavity between interior tank body and outer tank body is heat-transferring jacket, fill thermal oil in the heat-transferring jacket, be provided with oil-in on the sidewall of tank body outside and oil outlet is connected with heat-transferring jacket, also being provided with outside opening for feed and discharge port on the sidewall of tank body is connected with interior tank interior respectively, in interior tank body, be provided with 3 stir shafts, stir shaft is by electric motor driving, the sidewall of described stir shaft is inside and outside two-layer, cavity between the inside and outside two-layer sidewall is the heat transfer interlayer, the outside surface of each stir shaft is surrounded with screw-blade, screw-blade is the boring structure, described heat transfer interlayer is connected with the screw-blade hollow structure, the two ends of stir shaft are respectively equipped with stir shaft oil-in and the stir shaft oil outlet that is connected with the interlayer that conducts heat, and all fill thermal oil in heat transfer interlayer and screw-blade hollow structure.
The present invention is preferred, and described 3 stir shafts are triangular arranged in interior tank body, and the spacing between adjacent two stir shafts is 230～300mm.
Further preferred, the race diameter of described screw-blade is 240～260mm.
Further preferred, screw-blade outer rim and the minimum spacing between the interior tank body on each stir shaft are 80～120mm.3 stir shafts of activated reactor are triangular arranged in interior tank body, and screw-blade outer rim and the minimum spacing between the interior tank body on each stir shaft are 80～120mm, make material stirring more evenly, fully, material and catalyst mix are even, catalyzer fully contacts with material, improved priming reaction efficient, reduced the priming reaction time, avoid simultaneously material to go out the dead angle in tank body, react an incomplete difficult problem, the material behind the priming reaction is discharged tank body by the synergy screw propulsion of 3 stir shafts.
The present invention is preferred, the long 3500～4500mm of described tank body, and the internal diameter 800～920mm of interior tank body, spacing is 40～80mm between interior tank body and the outer tank body.
Described opening for feed is arranged on the top of outer tank body, discharge port arranges the bottom of outer tank body, horizontal throw 3200～4200mm between opening for feed and the discharge port, described oil-in is positioned at the bottom of outer tank body, oil outlet is positioned at the top of outer tank body, and the horizontal throw between oil-in and the oil outlet is 3300～4300mm.The advantage of this kind design is, utilizes as far as possible whole length of spiral propeller, makes mixture utilize to greatest extent the priming reaction space.Material can not only utilize the heat energy of activated reactor internal space, can also by directly directly contacting with inwall, spiral, axis thermal source, realize that the short period of time is higher than being heated with fast reaction speed of internal space temperature.
The present invention is preferred, and described screw-blade extends to the other end of stir shaft continuously from an end of stir shaft, and described 3 stir shafts are all parallel with the center of interior tank body.
Described outer tank body is carbon steel material, and body skin, stir shaft and the screw-blade of interior tank body, heat transfer interlayer are stainless steel.
All fill thermal oil in the hollow structure of heat-transferring jacket of the present invention, screw-blade and the heat transfer interlayer, thermal oil provides temperature of reaction and has heat insulation function for priming reaction.
Activated reactor one-piece construction of the present invention is little, and material contacts with heater block fully, can realize homogeneous heating in the short period of time, and thermo-efficiency is high.
Feed particles urea of the present invention, weathered coal or brown coal and catalyzer priming reaction in activated reactor, cooling, pulverizing, granulation, granulation shape humic acid urea fertilizer, activated reactor Heating temperature of the present invention is uniform and stable, the priming reaction time is short, can realize successive reaction, and sufficient reacting and activation are thoroughly, efficiently, save the reaction times of whole production process, greatly reduced production energy consumption.
Beneficial effect of the present invention:
1, the raw material such as method catalyzer of the present invention is easy to get, and catalyzed reaction is effective, has simultaneously the function of activation humic acids.Catalyzer added in the mixing of materials stage, realized even catalysis, did not need increase equipment in the Production Flow Chart, and is energy-saving and cost-reducing.The reaction of catalysis humic acids and urea in the time of activator activation humic acids.Catalyzer makes the humic acids polymer be separated into oligomer or monomer, make humic acids be cracked into small molecules, humic acids after the activation can with urea reaction, the physical and chemical adsorption reactions such as ion-exchange, hydrogen bond association, free radical reaction occur, reach the ideal response effect, a small amount of humic acids that has neither part nor lot in reaction also is in active condition.
2, preparation technology's reaction times of the present invention short, sufficient reacting, urea need not to pulverize or melting, greatly reduce energy consumption.Urea melted in reaction process and participated in reaction generally at 2-4 minute reaction times, need not to increase the high energy consumption processing of urea pulverizing or melting.
3, production unit of the present invention is simple, and energy consumption is low, is easy to grafting in conventional fertiliser production.Utilize the used rotary drum of conventional fertiliser production or rotary table granulation production line basis, be equipped with activated reactor, can realize the quick production of humic acid urea.This production technique realizes producing fast, technique is simple, facility investment is few, the production process energy consumption is low, production capacity is high, and free from environmental pollution.
4, activated reactor less investment of the present invention is taken up an area littlely, and Heating temperature is uniform and stable, can realize successive reaction.Can realize the rapid reaction of humic acids and urea and continuously production.Sandwich structure and minor radius reactor can make material heat up rapidly at short notice and fully reaction under stable temperature, finish simultaneously priming reaction in material propelling movement process, and production efficiency is high.Adopt the heat-conducting oil heating temperature control stable, energy consumption is low.Activated reactor adopts three stir shafts, and the outside surface of each heat transfer interlayer is surrounded with screw-blade, and three stir shafts improve production capacity with assembling in the unit, and minimizing equipment takes up an area.
5, the invention provides a kind of granular humic acid urea product and improved production technique is provided; oil bath activated reactor of the present invention and integral production line required equipment and processing method can provide complete technical support for the large-scale production of granular humic acid urea.
6, the granular humic acid urea that makes of the present invention can be controlled the release rate of nitrogen nutrition, and the fast decoupled of control urea reduces ammonia loss that urea decomposition causes and nitric nitrogen to the leaching loss of underground water, the utilising efficiency of raising Nitrogen Resource.The activation humic acids that provides simultaneously promotes for soil fertility and improves Water and fertilizer retention ability of soil has active effect, the humic acid urea of gained of the present invention is granular product, effectively cooperative mechanical farming operation, convenient transportation has broad application prospects in the production.
Description of drawings
Fig. 1 is activated reactor sectional structure schematic diagram of the present invention;
Fig. 2 is the side-looking structural representation of activated reactor;
Fig. 3 is stir shaft and screw-blade schematic diagram.Wherein, 1, stir shaft, 2, outer tank body, 3, oil-in, 4, oil outlet, 5, screw-blade, 6, opening for feed, 7, discharge port, 8, the stir shaft oil outlet, 9, the stir shaft oil-in, 10, base support, 11, the heat transfer interlayer, 12, the hollow structure of screw-blade.
Fig. 4 is granular humic acid urea production process schematic diagram of the present invention; Wherein, 1. material mixer, 2. lift, 3. hopper, 4. activated reactor, 5. fertilizer water cooler or long apart from travelling belt, 6. pulverizer, 7. travelling belt, 8. rotating disk or rotary drum granulator, 9. vibratory screening apparatus, 10. wrapping machine.
Embodiment
The present invention will be further described below in conjunction with embodiment, but be not limited to this.
Weathered coal among the embodiment or brown coal powder, granular urea are commercial product.Employed equipment among the embodiment:
Material mixer be the auspicious permanent machinofacture of Zhengzhou, henan company limited sell with material mixer trade(brand)name product sold.Pulverizer be Longchang, Hengshui granulation of fertilizer machinery company limited sell with FN type urea disintegrator trade(brand)name product sold.The fertilizer water cooler be Changzhou help mutually that drying plant company limited sells with cooling bed trade(brand)name product sold.Tumbling disk granulator is that east, Tai’an drying plant Manufacturing Co., Ltd is with pan-type pelletizer trade(brand)name product sold.Rotary drum granulator is that Longchang, Hengshui granulation of fertilizer machinery company limited is with rotary drum leopard board tablets press trade(brand)name product sold.
Embodiment 1:
A kind of activated reactor, structure such as Fig. 1, Fig. 2, shown in Figure 3, comprise closed horizontal tank body and motor, the closed horizontal tank body is arranged on the base support 10, horizontal tank body comprises interior tank body and outer tank body 2, cavity between interior tank body and outer tank body is heat-transferring jacket, fill thermal oil in the heat-transferring jacket, be provided with oil-in 3 on the sidewall of tank body 2 outside and oil outlet 4 is connected with heat-transferring jacket, also being provided with outside opening for feed 6 and discharge port 7 on the sidewall of tank body 2 is connected with interior tank interior respectively, in interior tank body, be provided with 3 stir shafts 1, stir shaft 1 is by electric motor driving, the sidewall of each stir shaft 1 is inside and outside two-layer, cavity between the inside and outside two-layer sidewall is heat transfer interlayer 11, the outside surface of each stir shaft is surrounded with screw-blade 5, screw-blade 5 extends to the other end of stir shaft 1 continuously from an end of stir shaft 1,3 stir shafts are all parallel with the center of interior tank body, screw-blade 5 is the boring structure, heat transfer interlayer 11 is connected with the hollow structure 12 of screw-blade, stir shaft 1 two ends are respectively equipped with stir shaft oil-in 9 and the stir shaft oil outlet 8 that is connected with the interlayer 11 that conducts heat, at hollow structure 12 interior all the fill thermal oils of heat transfer interlayer 11 with screw-blade.Opening for feed 6 is arranged on the top of outer tank body 2, discharge port 7 arranges the bottom of outer tank body 2, horizontal throw 3800mm between opening for feed 6 and the discharge port 7, and oil-in 3 is positioned at the bottom of outer tank body 2, oil outlet 4 is positioned at the top of outer tank body 2, and the horizontal throw between oil-in 3 and the oil outlet 4 is 4000mm.
Described 3 stir shafts 1 are triangular arranged in interior tank body, the spacing between adjacent two stir shafts is 250mm.The race diameter of screw-blade is 250mm.Screw-blade outer rim and the minimum spacing between the interior tank body on each stir shaft are 100mm.
Outer tank body 2 is carbon steel material, and body skin, stir shaft and the screw-blade of interior tank body, heat transfer interlayer are stainless steel.The long 4000mm of closed horizontal tank body, the internal diameter 900mm of interior tank body, spacing is 60mm between interior tank body and the outer tank body.
Embodiment 2:
A kind of activated reactor, structure is with shown in the embodiment 1, and difference is:
Opening for feed 6 is arranged on the top of outer tank body 2, discharge port 7 arranges the bottom of outer tank body 2, horizontal throw 4200mm between opening for feed 6 and the discharge port 7, and oil-in 3 is positioned at the bottom of outer tank body 2, oil outlet 4 is positioned at the top of outer tank body 2, and the horizontal throw between oil-in 3 and the oil outlet 4 is 4300mm.
Described 3 stir shafts 1 are triangular arranged in interior tank body, the spacing between adjacent two stir shafts is 250mm.The race diameter of screw-blade is 260mm.Screw-blade outer rim and the minimum spacing between the interior tank body on each stir shaft are 120mm.
The long 4500mm of closed horizontal tank body, the internal diameter 920mm of interior tank body, spacing is 80mm between interior tank body and the outer tank body.
Embodiment 3:
A kind of continuous production method of granular humic acid urea comprises and uses embodiment 1 described activated reactor, and step is as follows:
(1) preparation liquid catalyst
Raw material is composed as follows by weight: 20 parts in potassium hydroxide, 80 parts in water.Potassium hydroxide is dissolved in the water, is prepared into potassium hydroxide solution.
(2) preparation mixture
Brown coal are pulverized through pulverizer, cross 150 mesh sieves, brown coal after sieving and granular urea, bicarbonate of ammonia powder are delivered in the material mixer and fully mix, and then the sprinkling potassium hydroxide solution, mix immediately, get mixture, described raw material is composed as follows by weight: 33 parts in brown coal, 57 parts in urea, 6 parts in bicarbonate of ammonia powder, 4 parts of potassium hydroxide solutions.
(3) open activated reactor, heat-transferring jacket to the activated reactor tank body, pass into thermal oil in the hollow structure of screw-blade and the heat transfer interlayer, the temperature of described thermal oil is 130 ゜ C, adjust the rotating speed of 3 stir shafts of activated reactor, make each agitator shaft speed be controlled at 30 rev/mins, temperature in the reactor tank body to be activated rises to 120 ゜ C, then mixture is promoted to feed bin, through feed bin mixture is delivered to priming reaction in the activated reactor tank body from the opening for feed of activated reactor, mixture behind the priming reaction is exported by discharge port with the stir shaft screw propulsion, makes activation material piece.
(4) will activate the material piece sends in the cooling bed and cools off.
(5) cooled activation material piece is delivered in the pulverizer and pulverizes, sieves, and getting granularity is 100 purpose work in-process.
(6) work in-process are sent into granulation in the pan-type pelletizer, formed the particle of granularity 2～5.6mm, water content 2～10wt%, through the wrapping machine packing, make granular humic acid urea.
The humic acid urea Production Flow Chart is referring to Fig. 4.
Embodiment 4:
A kind of continuous production method of granular humic acid urea comprises and uses embodiment 2 described activated reactors, and step is as follows:
(1) preparation liquid catalyst
Raw material is composed as follows by weight: 15 parts in potassium hydroxide, 85 parts in water.Potassium hydroxide is dissolved in the water, is prepared into potassium hydroxide solution.
(2) preparation mixture
Brown coal are pulverized through pulverizer, cross 180 mesh sieves, brown coal after sieving and granular urea, bicarbonate of ammonia powder are delivered in the material mixer and fully mix, and then the sprinkling potassium hydroxide solution, mix immediately, get mixture, described raw material is composed as follows by weight: 45 parts in brown coal, 45 parts in urea, 4 parts in bicarbonate of ammonia powder, 6 parts of potassium hydroxide solutions.
(3) open activated reactor, heat-transferring jacket to the activated reactor tank body, pass into thermal oil in the heat transfer interlayer of the hollow structure of screw-blade and stir shaft, the temperature of described thermal oil is 120 ℃, adjust the rotating speed of 3 stir shafts of activated reactor, make each agitator shaft speed be controlled at 40 rev/mins, temperature in the reactor tank body to be activated rises to 110 ℃, then mixture is promoted to feed bin, through feed bin mixture is delivered to priming reaction in the activated reactor tank body from the opening for feed of activated reactor, mixture behind the priming reaction is exported by discharge port with the stir shaft screw propulsion, makes activation material piece.
(4) will activate the material piece sends into the length of 50～100m and cools off apart from travelling belt.
(5) cooled activation material piece is delivered in the pulverizer and pulverizes, sieves, and getting granularity is 100 purpose work in-process.
(6) work in-process are sent into granulation in the rotary drum granulator, formed the particle of granularity 2～5.6mm, water content 2～10wt%, through the wrapping machine packing, make granular humic acid urea.
Embodiment 5:
The preparation method of granular humic acid urea as described in Example 4, difference is:
(1) preparation liquid catalyst
Raw material is composed as follows by weight: 10 parts in sodium hydroxide, 90 parts in water.Dissolution of sodium hydroxide in water, is prepared into sodium hydroxide solution.
(2) preparation mixture
Weathered coal is pulverized through pulverizer, cross 180 mesh sieves, brown coal after sieving and granular urea, bicarbonate of ammonia powder are delivered in the material mixer and fully mix, and then the sprinkling potassium hydroxide solution, mix immediately, get mixture, described raw material is composed as follows by weight: 45 parts of weathered coals, 45 parts in urea, 2 parts in bicarbonate of ammonia powder, 8 parts of sodium hydroxide solutions.
The granular humic acid urea product effect test of the present invention's preparation.
Test example 1: the effect of humic acid urea on potato
This is tested in 2008 and carries out, and test site is king stockaded village, Liaocheng City Shenxian County township, and test is treated to 2,3 repetitions, experimental plot area 100m
2Supplying to study thing is potato, is humic acid urea and simple blend thereof for examination fertilizer, and two processing phosphorus potash fertilizer kinds are identical with consumption.The fertilizer of 1 fertilizer of using for raw material being carried out simple blending by above embodiment 5 proportioning raw materials is processed in test, processes the humic acid urea fertilizer of 2 fertilizer of using for producing by the prescription of embodiment 5.Supplying examination humic acid urea fertilizer amount is 450kg/hm
2, after the results potato is counted product and calculates situation of Profit, see Table 1.
Table 1 fertilising is on the impact of potato yield and income
The potato test-results shows, uses humic acid urea and waits raw material but compare without the blended product of priming reaction process, and potato yield increases by 9.69%, net earnings increase by 9.75%, and per hectare increases income 10690 yuan.The effect of increasing income is remarkable.
Test example 2: the effect of humic acid urea on garlic
This is tested in 2007～2008 years and carries out, and test site is joyous cities and towns, Weishan County, and test is treated to 2,3 repetitions, experimental plot area 100m
2, be garlic for studying thing, be humic acid urea and simple blend thereof for examination fertilizer, two processing phosphorus potash fertilizer kinds are identical with consumption.The fertilizer of 1 fertilizer of using for raw material being carried out simple blending by above embodiment 5 proportioning raw materials is processed in test, processes the humic acid urea fertilizer of 2 fertilizer of using for producing by the prescription of embodiment 5.Supplying examination humic acid urea fertilizer amount is 450kg/hm
2Test-results sees Table 2.
Table 2 fertilising is on the impact of Garlic yield, quality and farmland nutrient loss
The garlic test-results shows, the application humic acid urea waits raw material but compares without the blended feedstock product of priming reaction process, garlic stems volume increase 12.58%, head of garlic volume increase 9.77%, Allicin Content increases by 14.02% in the head of garlic, soluble sugar content increases by 12.98 in the garlic stems, and Vc content increases by 9.36% in the garlic stems, and test field nitrogen loss of elements reduces 26.03%.Show that humic acid urea can not only increase Garlic yield, improve quality, can also reduce the loss of farmland nitrogen nutrient simultaneously.Economic benefit and obvious environment benefit.
Claims (10)
1. the continuous production method of a granular humic acid urea comprises the use activated reactor, comprises the steps:
(1) preparation mixture
Weathered coal or brown coal are pulverized, cross 120～200 mesh sieves, weathered coal after will sieving in mass ratio or brown coal and granular urea, solid catalyst fully mix, and then spraying liquid catalyzer, mix immediately, get mixture, described weathered coal or brown coal: granular urea: solid catalyst: the mass volume ratio of liquid catalyst is: (15～60): (45～80): (1～8): (2～8);
(2) priming reaction
Open activated reactor, described activated reactor is the horizontal tank body that the heat-transfer medium chuck is arranged with helical stir, and screw-blade is hollow structure and communicates with the heat transfer interlayer of stir shaft; Heat-transferring jacket to the activated reactor tank body, pass into thermal oil in the hollow structure of screw-blade and the heat transfer interlayer, the temperature of described thermal oil is 90～130 ゜ C, adjust the rotating speed of 3 stir shafts of activated reactor, make each agitator shaft speed be controlled at 15～40 rev/mins, temperature in the reactor tank body to be activated rises to 80～120 ゜ C, the mixture that step (1) is made is delivered to priming reaction in the activated reactor tank body from the opening for feed of activated reactor, mixture behind the priming reaction is exported by discharge port with the stir shaft screw propulsion, makes activation material piece;
(3) activation material piece cooling
With the activation material piece cooling that step (2) makes, be 30～50 ゜ C until activate the temperature of material piece;
(4) pulverizing, granulation
Cooled activation material piece is delivered in the pulverizer and pulverizes, sieves, and getting granularity is 30～100 purpose work in-process; Work in-process are sent into granulation in rotating disk or the rotary drum granulator, form the particle of granularity 2～5.6mm, water content 2～10wt%, namely get granular humic acid urea.
2. the continuous production method of granular humic acid urea according to claim 1 is characterized in that, described solid catalyst is the bicarbonate of ammonia powder; Described liquid catalyst is sodium hydroxide solution or potassium hydroxide solution, and the mass concentration of described sodium hydroxide solution or potassium hydroxide solution is 10%～40%.
3. the continuous production method of granular humic acid urea according to claim 1, it is characterized in that, weathered coal or brown coal described in the step (1): granular urea: solid catalyst: the mass ratio of liquid catalyst is: (30～50): (50～60): (2～6): (4～8).
4. the continuous production method of granular humic acid urea according to claim 1 is characterized in that, the activated reactor described in the step (2) is established 3 stir shafts, and the rotating speed of these 3 stir shafts is all identical during priming reaction, is 25～35 rev/mins.
5. the continuous production method of granular humic acid urea according to claim 1 is characterized in that, the cooling of described step (3) activation material piece is that activation material piece is sent into the length of 50～100m apart from cooling off in travelling belt or the fluidized-bed.
6. the continuous production method of granular humic acid urea according to claim 1 is characterized in that, the particle diameter of granular urea is in 0.85～8.0mm scope.
7. activated reactor that is used for the continuous production method of each described granular humic acid urea of claim 1～6: described activated reactor comprises closed horizontal tank body and motor, described horizontal tank body comprises interior tank body and outer tank body, it is characterized in that, cavity between interior tank body and outer tank body is heat-transferring jacket, fill thermal oil in the heat-transferring jacket, be provided with oil-in on the sidewall of tank body outside and oil outlet is connected with heat-transferring jacket, also being provided with outside opening for feed and discharge port on the sidewall of tank body is connected with interior tank interior respectively, in interior tank body, be provided with 3 stir shafts, stir shaft is by electric motor driving, the sidewall of described stir shaft is inside and outside two-layer, cavity between the inside and outside two-layer sidewall is the heat transfer interlayer, the outside surface of each stir shaft is surrounded with screw-blade, screw-blade is the boring structure, described heat transfer interlayer is connected with the screw-blade hollow structure, the two ends of stir shaft are respectively equipped with stir shaft oil-in and the stir shaft oil outlet that is connected with the interlayer that conducts heat, and all fill thermal oil in heat transfer interlayer and screw-blade hollow structure.
8. activated reactor according to claim 7 is characterized in that, described 3 stir shafts are triangular arranged in interior tank body, and the spacing between adjacent two stir shafts is 230～300mm; The race diameter of described screw-blade is 240～260mm, and screw-blade outer rim and the minimum spacing between the interior tank body on each stir shaft are 80～120mm.
9. activated reactor according to claim 7, it is characterized in that, long 3500～the 4500mm of described tank body, internal diameter 800～the 920mm of interior tank body, spacing is 40～80mm between interior tank body and the outer tank body, described opening for feed is arranged on the top of outer tank body, discharge port arranges the bottom of outer tank body, horizontal throw 3200～4200mm between opening for feed and the discharge port, described oil-in is positioned at the bottom of outer tank body, oil outlet is positioned at the top of outer tank body, and the horizontal throw between oil-in and the oil outlet is 3300～4300mm.
10. activated reactor according to claim 7 is characterized in that, described screw-blade extends to the other end of stir shaft continuously from an end of stir shaft, and described 3 stir shafts are all parallel with the center of interior tank body; Described outer tank is carbon steel material, and interior tank body, the body skin of heat transfer interlayer, stir shaft are stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233658.2A CN103319227B (en) | 2013-06-13 | 2013-06-13 | Continuous production method of granular humic acid urea and activation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233658.2A CN103319227B (en) | 2013-06-13 | 2013-06-13 | Continuous production method of granular humic acid urea and activation reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103319227A true CN103319227A (en) | 2013-09-25 |
| CN103319227B CN103319227B (en) | 2015-03-25 |
Family
ID=49188326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310233658.2A Active CN103319227B (en) | 2013-06-13 | 2013-06-13 | Continuous production method of granular humic acid urea and activation reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103319227B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366673A (en) * | 2014-08-21 | 2016-03-02 | 苏州格瑞展泰再生能源有限公司 | Accurately controlled horizontal physical activation reactor and technology thereof |
| CN109650359A (en) * | 2018-12-29 | 2019-04-19 | 广西越洋科技股份有限公司 | A kind of the industrialization continuous producing apparatus and method of black phosphorus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302787A (en) * | 2001-02-13 | 2001-07-11 | 辽宁华洋国际工贸总公司 | Process for preparing activated semi-wet composite humic acid fertilizer |
| CN1490282A (en) * | 2002-10-16 | 2004-04-21 | 郭宗恒 | Activated humic acid composite fertilizer and its making method |
| CN101353273A (en) * | 2007-07-25 | 2009-01-28 | 山东九州生物技术开发有限公司 | Humic acid agricultural precise activation technology and use thereof |
| CN202962469U (en) * | 2012-11-01 | 2013-06-05 | 刘峰 | Humic acid lose-polymerized fertilizer reactor |
-
2013
- 2013-06-13 CN CN201310233658.2A patent/CN103319227B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302787A (en) * | 2001-02-13 | 2001-07-11 | 辽宁华洋国际工贸总公司 | Process for preparing activated semi-wet composite humic acid fertilizer |
| CN1490282A (en) * | 2002-10-16 | 2004-04-21 | 郭宗恒 | Activated humic acid composite fertilizer and its making method |
| CN101353273A (en) * | 2007-07-25 | 2009-01-28 | 山东九州生物技术开发有限公司 | Humic acid agricultural precise activation technology and use thereof |
| CN202962469U (en) * | 2012-11-01 | 2013-06-05 | 刘峰 | Humic acid lose-polymerized fertilizer reactor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366673A (en) * | 2014-08-21 | 2016-03-02 | 苏州格瑞展泰再生能源有限公司 | Accurately controlled horizontal physical activation reactor and technology thereof |
| CN109650359A (en) * | 2018-12-29 | 2019-04-19 | 广西越洋科技股份有限公司 | A kind of the industrialization continuous producing apparatus and method of black phosphorus |
| CN109650359B (en) * | 2018-12-29 | 2020-07-03 | 广西越洋科技股份有限公司 | Industrial continuous production equipment and method for black phosphorus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103319227B (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104326830B (en) | A kind of compound organic and inorganic fertilizer and preparation method | |
| CN104355772B (en) | A kind of Chemical Mixed Fertilizer preparation method and device | |
| WO2018082266A1 (en) | Water-soluble nano-organic carbon fertilizer and preparation method therefor, and organic compound fertilizer | |
| CN103274797B (en) | Preparation method and activating reactor for granular potassium-containing humic acid urea | |
| CN108047459A (en) | A kind of humic acid activation method and device | |
| CN102259853A (en) | Method for preparing spherical activated carbon and disc pelletizer | |
| CN108218571A (en) | A kind of distributing pig farm fermentation waste prepares slow-release fertilizer method with zeolite compound | |
| CN103319227B (en) | Continuous production method of granular humic acid urea and activation reactor | |
| CN101417900B (en) | Method for producing organic-inorganic complex fertilizer by using mycelium | |
| CN101638342A (en) | Fertilizer special for celery cabbages and preparation method thereof | |
| CN102285831B (en) | Method for producing composite microorganism fertilizer by utilizing lactic acid industrial wastes | |
| CN101638347A (en) | Fertilizer special for peanuts and preparation method thereof | |
| CN203346302U (en) | Excitation reactor for preparing urea fertilizer containing humic acid | |
| CN107032860A (en) | A kind of method for preparing auxotype charcoal base mineralization activity soil conditioner | |
| CN108329069A (en) | Special charcoal base manure suitable for Guizhou wild cabbage high-yield culturing and preparation method thereof and method of administration | |
| CN218981295U (en) | Multifunctional fertilizer mixing and stirring mechanism for seaweed fertilizer | |
| CN207533169U (en) | Multi-stage hybrid production device for compound fertilizer in a kind of agricultural production | |
| CN212335064U (en) | Hydrolysis device for nitrifying waste acid biomass absorption | |
| CN105367220A (en) | Soil remediation fertilizer for newly-exploited farmland of mining area | |
| CN113233943A (en) | Production equipment and method of biochar-based fertilizer | |
| CN204848611U (en) | Mud preprocessing device | |
| CN201574119U (en) | System for producing slow release fertilizer by using various aldehyde raw materials | |
| CN106518528A (en) | Potassium phytate-containing special fertilizer for potatoes and preparation method of fertilizer | |
| CN104876413A (en) | Sludge pretreatment method and device | |
| CN102167353B (en) | Reaction device with internal material returning function for recycling ammonia by dry method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JINAN YUNUO BIOTECHNOLOGY CO., LTD. Effective date: 20131115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20131115 Address after: Industrial Road Licheng District, Ji'nan city of Shandong Province, No. 202 250100 Applicant after: Shandong Academy of Agricultural Science, Institute of Agricultural Resources and Environment Applicant after: JINAN YUNUO BIOTECH CO., LTD. Address before: Industrial Road Licheng District, Ji'nan city of Shandong Province, No. 202 250100 Applicant before: Shandong Academy of Agricultural Science, Institute of Agricultural Resources and Environment |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |