CN107500980A - The dissolver and dissolving method of a kind of potassium fulvate and application - Google Patents
The dissolver and dissolving method of a kind of potassium fulvate and application Download PDFInfo
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- CN107500980A CN107500980A CN201710770917.3A CN201710770917A CN107500980A CN 107500980 A CN107500980 A CN 107500980A CN 201710770917 A CN201710770917 A CN 201710770917A CN 107500980 A CN107500980 A CN 107500980A
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- potassium fulvate
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The invention belongs to a kind of dissolver of potassium fulvate and dissolving method and application；Including potassium fulvate storage tank, Urea Evaporation System and Urea Evaporation granulating system, the decomposition of effluent outlet of Urea Evaporation System is connected by tank diameter and the first centrifugal pump with the liquid-inlet of solid-liquid injector, the solids inlet of solid-liquid injector is connected by star-like valve with potassium fulvate storage tank, the outlet of solid-liquid injector is connected by pipe-line mixer with the circulation fluid import of tank diameter, tank diameter bottom is provided with potassium fulvate taphole, potassium fulvate taphole is connected by first filter and the second centrifugal pump with storage tank, storage tank is connected by the second filter and the 3rd centrifugal pump with Urea Evaporation granulating system；With simple in construction, technological design rationally, accelerate dissolution velocity on the premise of potassium fulvate can be completely dissolved, reduce desalted water and steam consumption, reduce the evaporation burden of Urea Evaporation granulating system, reduce resource energy consumption and be adapted to industrialization continuous production the advantages of.
Description
Technical field
The invention belongs to potassium fulvate technical field of urea production, and in particular to the dissolver of a kind of potassium fulvate and molten
Solution method and application.
Background technology
Potassium fulvate is a kind of pure natural mineral matter activity potassium element fertilizer, potassium fulvate include trace element, rare earth element,
The multiple nutritional components such as plant growth regulator, viral inhibitors, make nutrient it is more sufficient, supply it is more reasonable, so as to avoid make
Thing because lack element and caused by various physiological disturbances generation, make the more vigorous leaf color of crop plant type more dark green, energy resistant to lodging
Power is stronger.Potassium fulvate can timely supplement the nutrient being lost in soil, make soil activating, have vitality, reduce soil
Nutrient continuous cropping disease caused by taken in excess in earth, product can replace content identical potassium sulfate or potassium chloride and sulphur completely
Sour potassium magnesium, and naturally, environmental protection.
But during potassium fulvate urea is manufactured with powder potassium fulvate, it is necessary first to which potassium fulvate is completely molten
Yu Shuizhong, it is extremely difficult thing by its completely soluble process, its main cause is that potassium fulvate powder is added in water,
Even if addition is very slow, many ash bags not of uniform size can be also formed, are suspended in the tops of liquid layer, it is that part is dissolved that these ashes, which wrap outside,
Potassium fulvate colloid, inside is dry powder, and the liquid component outside ash bag is difficult that to continue to penetrate into ash bag internal, i.e., using strongly stirring
Mix, it is necessary to take a long time, substantially reduce production efficiency, increase energy consumption, and have a strong impact on product quality；And it is easily caused meter
Measure the filter before pump to be blocked by ash bag, cause production potassium fulvate urea discontinuous.
The content of the invention
The defects of it is an object of the invention to overcome in the prior art, and offer one kind is simple in construction, technological design is reasonable,
Accelerate dissolution velocity on the premise of potassium fulvate can be completely dissolved, reduce desalted water and steam consumption, reduce Urea Evaporation
The evaporation burden of granulating system, the dissolver for reducing resource energy consumption and being adapted to a kind of industrialization potassium fulvate of quantity-produced and
Dissolving method and application.
The object of the present invention is achieved like this：Made including potassium fulvate storage tank, Urea Evaporation System and Urea Evaporation
Grain system, the decomposition of effluent outlet of Urea Evaporation System is connected by pipeline with the decomposition of effluent import of tank diameter, under tank diameter
The side in portion is exported provided with circulation fluid, and circulation fluid outlet is connected by the first centrifugal pump with the liquid-inlet of solid-liquid injector, Gu
The solids inlet of fluid injector is connected by star-like valve with the discharging opening of potassium fulvate storing pot bottom, and solid-liquid injector goes out
Mouth is connected by pipe-line mixer with the circulation fluid import of tank diameter, and the opposite side of tank diameter bottom goes out provided with potassium fulvate solution
Mouthful, potassium fulvate taphole is connected by first filter and the second centrifugal pump with the import of storage tank, the outlet of storage tank
It is connected by the second filter and the 3rd centrifugal pump with Urea Evaporation granulating system.
Preferably, the top of the tank diameter is provided with the first stirring motor, and the bottom of the first stirring motor is stirred by first
Mix axle with the first stirring vane to be connected, the inwall of tank diameter is provided with deflection plate, and the outer surface of tank diameter is provided with the first heat exchange disk
Pipe, one end of the first heat exchange coil are connected with saturated vapor pipeline, and the other end of the first heat exchange coil is connected with condensing water conduit.
Preferably, the deflection plate is rectangular parallelepiped structure.
Preferably, the deflection plate is two, and it is symmetrically arranged on the centre position of tank diameter inwall.
Preferably, the top of the storage tank is provided with the second stirring motor, and the bottom of the second stirring motor is stirred by second
Mix axle with the second stirring vane to be connected, the outer surface of storage tank is provided with the second heat exchange coil, and one end of the second heat exchange coil is with satisfying
It is connected with jet chimney, the other end of the first heat exchange coil is connected with condensing water conduit.
Preferably, the decomposition of effluent outlet of the Urea Evaporation System by the decomposition of effluent import of pipeline and tank diameter it
Between pipeline on be sequentially provided with first flowmeter and the first valve；Circulation fluid exports is provided with the second valve between the first centrifugal pump
Door；The 3rd valve is provided between potassium fulvate taphole and first filter；Between the outlet of storage tank and the second filter
Provided with the 4th valve；The 5th valve and second flowmeter are provided between 3rd centrifugal pump and Urea Evaporation granulating system.
A kind of dissolving method of the dissolver of potassium fulvate, the dissolving method comprise the following steps：
Step 1：The second valve and the 3rd valve are closed, opens the first valve, and starts the first stirring motor, is made not low
Stirring is entered by the decomposition of effluent outlet and the decomposition of effluent import of tank diameter of Urea Evaporation System in 65 DEG C of decomposition of effluent
The first valve is closed in groove, after feed liquor, and makes a call to the second valve；
Step 2：Start the first centrifugal pump, open star-like valve, enter the potassium fulvate in potassium fulvate storage tank solid
The decomposition of effluent in step 1 in tank diameter is set to enter in solid-liquid injector while in fluid injector, potassium fulvate and solution waste suction
Enter after liquid mixing in pipe-line mixer and mix again, enter after mixing again in tank diameter and stirred by the first stirring vane
Mixing is into potassium fulvate solution；
Step 3：Repeat the above steps two, make being continuously added in potassium fulvate solution for potassium fulvate, solution concentration is gradual
Improve, when solid content reaches 20%-22%, close star-like valve and the second valve, and stop the first centrifugation pump operation, open
3rd valve, start the second centrifugal pump, solid content is reached 20%-22% potassium fulvate solution and pass through first filter, the
The import of two centrifugal pumps and storage tank enters in storage tank, continues stirring potassium fulvate by the second stirring vane in storage tank
Solution；
Step 4：The 4th valve and the 5th valve are opened, and starts the 3rd centrifugal pump, makes to continue to stir yellow corruption in step 3
Sour potassium solution is made by the 4th valve, the second filter, the 3rd centrifugal pump, the 5th valve and second flowmeter into Urea Evaporation
Mixed in fusing urea in grain system, enter after mixing in granulating system and be granulated, you can；
Step 5：While the 4th valve in step 4 and the 5th valve are opened, one is repeated the above steps to step 2,
After the completion of step 2, the 4th valve and the 5th valve are closed, and complete above-mentioned steps three and step 4 to realize continuous production.
Preferably, potassium fulvate solution carries out flow measurement by second flowmeter in the step 4, and passes through the 5th
Valve is adjusted to the flow of potassium fulvate solution, makes potassium fulvate solution weight and urine into Urea Evaporation granulating system
The weight ratio of plain evaporation prilling system melt urea is：3∶250.
Present invention also offers application of the dissolver of above-mentioned potassium fulvate in potassium fulvate urea is prepared.
The present invention has been abandoned in tradition by the way of desalted water or steam condensate (SC) dissolving potassium fulvate, but innovate
Powder potassium fulvate is dissolved using the waste stripping liquid in Urea Evaporation System, waste stripping liquid temperature can reach more than 65 DEG C, no
Desalted water and steam consumption are only saved, while reduces the evaporation burden of Urea Evaporation granulating system；In addition, sprayed using solid-liquid
The effect of agitating device and deflection plate in the synergy of device and pipe-line mixer and tank diameter, make powder potassium fulvate quick
Be dissolved completely in decomposition of effluent, compared with existing dissolution process, dissolution time can be reduced to 30- by 2-3h
40min, and can be completely dissolved, grey bag is not produced, shortens dissolution time, reduces resource consumption；With simple in construction, work
Skill is reasonable in design, accelerates dissolution velocity on the premise of potassium fulvate can be completely dissolved, reduces desalted water and steam consumption, drop
The evaporation burden of low Urea Evaporation granulating system, reduce the characteristics of resource energy consumption and suitable industrialization continuous production.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now control illustrates this hair
Bright embodiment, in the various figures identical label represent identical part.To make simplified form, in each figure only schematically
Ground indicates the part related to invention, and they do not represent its practical structures as product.
As shown in figure 1, dissolver and dissolving method and application of the present invention for a kind of potassium fulvate, wherein, fulvic acid
The dissolver of potassium is：Including potassium fulvate storage tank 1, Urea Evaporation System 22 and Urea Evaporation granulating system 23, urea steams
The decomposition of effluent outlet of hair system 22 is connected by pipeline with the decomposition of effluent import of tank diameter 7, and the side of the bottom of tank diameter 7 is set
There is circulation fluid outlet, circulation fluid outlet is connected by the first centrifugal pump 5 with the liquid-inlet of solid-liquid injector 3, solid-liquid injector 3
Solids inlet be connected by star-like valve 2 with the discharging opening of the bottom of potassium fulvate storage tank 1, the outlet of solid-liquid injector 3 leads to
Piping blender 4 is connected with the circulation fluid import of tank diameter 7, and the opposite side of the bottom of tank diameter 7 goes out provided with potassium fulvate solution
Mouthful, potassium fulvate taphole is connected by the centrifugal pump 10 of first filter 9 and second with the import of storage tank 12, storage tank 12
Outlet be connected by the second filter 13 and the 3rd centrifugal pump 14 with Urea Evaporation granulating system 23.The top of the tank diameter 7
Portion is provided with the first stirring motor 6, and the bottom of the first stirring motor 6 is connected by the first agitating shaft 24 with the first stirring vane 25,
The inwall of tank diameter 7 is provided with deflection plate 8, and the outer surface of tank diameter 7 is provided with the first heat exchange coil 26, the first heat exchange coil 26
One end is connected with saturated vapor pipeline, and the other end of the first heat exchange coil 26 is connected with condensing water conduit.The deflection plate 8 is length
Cube structure.The deflection plate 8 is two, and it is symmetrically arranged on the centre position of the inwall of tank diameter 7.The storage tank
12 top is provided with the second stirring motor 11, and the bottom of the second stirring motor 11 passes through the second agitating shaft 28 and the second stirring vane
29 are connected, and the outer surface of storage tank 12 is provided with the second heat exchange coil 27, one end and the saturated vapor pipeline of the second heat exchange coil 27
It is connected, the other end of the first heat exchange coil 27 is connected with condensing water conduit.The decomposition of effluent outlet of the Urea Evaporation System 22
By being sequentially provided with the valve 16 of first flowmeter 17 and first on the pipeline between pipeline and the decomposition of effluent import of tank diameter 7；
Circulation fluid exports is provided with the second valve 18 between the first centrifugal pump 5；Set between potassium fulvate taphole and first filter 9
There is the 3rd valve 19；The 4th valve 20 is provided between the outlet of storage tank 12 and the second filter 13；3rd centrifugal pump 14 and urine
The 5th valve 21 and second flowmeter 15 are provided between plain evaporation prilling system 23.
A kind of dissolving method of the dissolver of potassium fulvate, the dissolving method comprise the following steps：
Step 1：The second valve 18 and the 3rd valve 19 are closed, opens the first valve 16, and starts the first stirring motor 6,
Make decomposition of effluent outlet and the decomposition of effluent import of tank diameter 7 of the decomposition of effluent not less than 65 DEG C by Urea Evaporation System 22
The first valve 16 is closed into tank diameter 7, after feed liquor, and makes a call to the second valve 18；
Step 2：Start the first centrifugal pump 5, open star-like valve 2, enter the potassium fulvate in potassium fulvate storage tank 1
Entering makes the decomposition of effluent in step 1 in tank diameter 7 enter in solid-liquid injector 3 while in solid-liquid injector 3, potassium fulvate
Enter after being mixed with decomposition of effluent in pipe-line mixer 4 and mix again, enter after mixing again in tank diameter 7 by the first stirring
Blade 25, which is stirred, is made potassium fulvate solution；
Step 3：Repeat the above steps two, make being continuously added in potassium fulvate solution for potassium fulvate, solution concentration is gradual
Improve, when solid content reaches 20%-22%, close the star-like valve 18 of valve 2 and second, and stop the first centrifugal pump 5 and run,
The 3rd valve 19 is opened, starts the second centrifugal pump 10, solid content is reached 20%-22% potassium fulvate solution and pass through the first mistake
The import of filter 9, the second centrifugal pump 10 and storage tank 12 enters in storage tank 12, passes through the second stirring vane in storage tank 12
29 continue to stir potassium fulvate solution；
Step 4：The 4th valve 20 and the 5th valve 21 are opened, and starts the 3rd centrifugal pump 14, makes to continue to stir in step 3
Mix potassium fulvate solution and pass through the 4th valve 20, the second filter 13, the 3rd centrifugal pump 14, the 5th valve 21 and second flowmeter
Mixed in 15 fusing ureas entered in Urea Evaporation granulating system 23, enter after mixing in granulating system and be granulated,
；
Step 5：While the 4th valve 20 in step 4 and the 5th valve 21 are opened, one is repeated the above steps to step
Rapid two, after the completion of step 2, the 4th valve 20 and the 5th valve 21 are closed, and complete above-mentioned steps three and step 4 to realize
Continuous production.Potassium fulvate solution carries out flow measurement by second flowmeter 15 in the step 4, and passes through the 5th valve
The flow of 21 pairs of potassium fulvate solution is adjusted, and makes potassium fulvate solution weight and urine into Urea Evaporation granulating system 23
The weight ratio of the plain fusing urea of evaporation prilling system 23 is：3∶250.
Present invention also offers application of the dissolver of above-mentioned potassium fulvate in potassium fulvate urea is prepared.
The present invention has been abandoned in tradition by the way of desalted water or steam condensate (SC) dissolving potassium fulvate, but innovate
Powder potassium fulvate is dissolved using the waste stripping liquid in Urea Evaporation System 22, waste stripping liquid temperature can reach more than 65 DEG C,
Desalted water and steam consumption are not only saved, while reduces the evaporation burden of Urea Evaporation granulating system 23；Pass through decomposition of effluent
The advantages of preparing potassium fulvate solution is that the moisture for the potassium fulvate solution that Urea Evaporation System 22 is evaporated comes from itself
Do not break the decomposition of effluent balance of Urea Evaporation in vapo(u)rization system, do not increase the burden of decomposition of effluent groove additionally, parsing is useless in addition
The temperature of liquid is higher, and temperature is more high more potassium fulvate dissolution velocity is more fast more abundant；Often prepare one ton of potassium fulvate solution than
Before can economize on desalted water 800kg, steam consumption 25kg.Decomposition of effluent is taken away by solid-liquid injector 3 with high flow velocities and come from
The powder potassium fulvate of star-like valve 2, in this process, potassium fulvate uniformly contacts with decomposition of effluent；Mixed through piping
The potassium fulvate of device 4 accelerates to mix and dissolve with decomposition of effluent, and current flow to hair in pipe-line mixer 4 in the presence of helical blade
Changing, mixing efficiency can be improved by producing turbulent flow, and the potassium fulvate for playing the role of to break up agglomerate prevents ash bag from being formed, after mixing
Potassium fulvate solution enter tank diameter 7 and continue stirring and dissolving, agitator speed 100r/min, deflection plate 8 in tank diameter 7
Effect is to change solution flow direction, forms vortex, improves dissolved efficiency；Due to solution be instantaneously pipe-line mixer 4 by, so
Pipe-line mixer 4 plays a part of being tentatively to mix, and the last process that is completely dissolved is completed in tank diameter 7, by using
The effect of agitating device and deflection plate 8, makes powder in the synergy of solid-liquid injector 3 and pipe-line mixer 4 and tank diameter 7
Potassium fulvate is quickly dissolved completely in decomposition of effluent, can be by dissolution time by 2-3h compared with existing dissolution process
Reduce to 30-40min, and can be completely dissolved, do not produce grey bag, shorten dissolution time, reduce resource consumption；In addition,
Agitating device in storage tank 12 can prevent from, because standing is caused liquid level to solidify to form dry hide by solution, influenceing subsequent handling
Normal use；Set by said structure and dissolving method, the large-scale industrial production of potassium fulvate urea can be realized.
In order to more clearly explain the present invention, it is further described in conjunction with specific embodiment.It is specific real
Under applying for example：
Embodiment one
A kind of dissolver of potassium fulvate, including potassium fulvate storage tank 1, Urea Evaporation System 22 and Urea Evaporation are made
Grain system 23, the decomposition of effluent outlet of Urea Evaporation System 22 are connected with the decomposition of effluent import of tank diameter 7 by pipeline, stirred
The side of the bottom of groove 7 exports provided with circulation fluid, the liquid-inlet that circulation fluid outlet passes through the first centrifugal pump 5 and solid-liquid injector 3
It is connected, the solids inlet of solid-liquid injector 3 is connected by star-like valve 2 with the discharging opening of the bottom of potassium fulvate storage tank 1, solid-liquid
The outlet of injector 3 is connected by pipe-line mixer 4 with the circulation fluid import of tank diameter 7, and the opposite side of the bottom of tank diameter 7 is provided with
Potassium fulvate taphole, potassium fulvate taphole are entered by the centrifugal pump 10 of first filter 9 and second and storage tank 12
Mouth is connected, and the outlet of storage tank 12 is connected by the second filter 13 and the 3rd centrifugal pump 14 with Urea Evaporation granulating system 23.
The top of the tank diameter 7 is provided with the first stirring motor 6, and the bottom of the first stirring motor 6 passes through the first agitating shaft 24 and first
Stirring vane 25 is connected, and the inwall of tank diameter 7 is provided with deflection plate 8, and the outer surface of tank diameter 7 is provided with the first heat exchange coil 26,
One end of first heat exchange coil 26 is connected with saturated vapor pipeline, the other end and the condensing water conduit phase of the first heat exchange coil 26
Even.The deflection plate 8 is rectangular parallelepiped structure.The deflection plate 8 is two, and it is symmetrically arranged in the inwall of tank diameter 7
Between on position.The top of the storage tank 12 is provided with the second stirring motor 11, and the bottom of the second stirring motor 11 is stirred by second
Mix axle 28 with the second stirring vane 29 to be connected, the outer surface of storage tank 12 is provided with the second heat exchange coil 27, the second heat exchange coil 27
One end be connected with saturated vapor pipeline, the other end of the first heat exchange coil 27 is connected with condensing water conduit.The Urea Evaporation
The decomposition of effluent outlet of system 22 is first-class by being sequentially provided with the pipeline between pipeline and the decomposition of effluent import of tank diameter 7
The valve 16 of gauge 17 and first；Circulation fluid exports is provided with the second valve 18 between the first centrifugal pump 5；Potassium fulvate taphole
The 3rd valve 19 is provided between first filter 9；The 4th valve is provided between the outlet of storage tank 12 and the second filter 13
20；The 5th valve 21 and second flowmeter 15 are provided between 3rd centrifugal pump 14 and Urea Evaporation granulating system 23.
A kind of dissolving method of the dissolver of potassium fulvate, the dissolving method comprise the following steps：
Step 1：The second valve 18 and the 3rd valve 19 are closed, opens the first valve 16, and starts the first stirring motor 6,
Make decomposition of effluent outlet and the decomposition of effluent import of tank diameter 7 of the decomposition of effluent not less than 65 DEG C by Urea Evaporation System 22
The first valve 16 is closed into tank diameter 7, after feed liquor, and makes a call to the second valve 18；
Step 2：Start the first centrifugal pump 5, open star-like valve 2, enter the potassium fulvate in potassium fulvate storage tank 1
Entering makes the decomposition of effluent in step 1 in tank diameter 7 enter in solid-liquid injector 3 while in solid-liquid injector 3, potassium fulvate
Enter after being mixed with decomposition of effluent in pipe-line mixer 4 and mix again, enter after mixing again in tank diameter 7 by the first stirring
Blade 25, which is stirred, is made potassium fulvate solution；
Step 3：Repeat the above steps two, make being continuously added in potassium fulvate solution for potassium fulvate, solution concentration is gradual
Improve, when solid content reaches 20%, close the star-like valve 18 of valve 2 and second, and stop the first centrifugal pump 5 and run, open
3rd valve 19, start the second centrifugal pump 10, solid content is reached 20% potassium fulvate solution and pass through first filter 9, the
The import of two centrifugal pumps 10 and storage tank 12 enters in storage tank 12, continues to stir by the second stirring vane 29 in storage tank 12
Mix potassium fulvate solution；
Step 4：The 4th valve 20 and the 5th valve 21 are opened, and starts the 3rd centrifugal pump 14, makes to continue to stir in step 3
Mix potassium fulvate solution and pass through the 4th valve 20, the second filter 13, the 3rd centrifugal pump 14, the 5th valve 21 and second flowmeter
Mixed in 15 fusing ureas entered in Urea Evaporation granulating system 23, enter after mixing in granulating system and be granulated,
；
Step 5：While the 4th valve 20 in step 4 and the 5th valve 21 are opened, one is repeated the above steps to step
Rapid two, after the completion of step 2, the 4th valve 20 and the 5th valve 21 are closed, and complete above-mentioned steps three and step 4 to realize
Continuous production.Potassium fulvate solution carries out flow measurement by second flowmeter 15 in the step 4, and passes through the 5th valve
The flow of 21 pairs of potassium fulvate solution is adjusted, and makes potassium fulvate solution weight and urine into Urea Evaporation granulating system 23
The weight ratio of the plain fusing urea of evaporation prilling system 23 is：3∶250.
Embodiment two
A kind of dissolver of potassium fulvate, including potassium fulvate storage tank 1, Urea Evaporation System 22 and Urea Evaporation are made
Grain system 23, the decomposition of effluent outlet of Urea Evaporation System 22 are connected with the decomposition of effluent import of tank diameter 7 by pipeline, stirred
The side of the bottom of groove 7 exports provided with circulation fluid, the liquid-inlet that circulation fluid outlet passes through the first centrifugal pump 5 and solid-liquid injector 3
It is connected, the solids inlet of solid-liquid injector 3 is connected by star-like valve 2 with the discharging opening of the bottom of potassium fulvate storage tank 1, solid-liquid
The outlet of injector 3 is connected by pipe-line mixer 4 with the circulation fluid import of tank diameter 7, and the opposite side of the bottom of tank diameter 7 is provided with
Potassium fulvate taphole, potassium fulvate taphole are entered by the centrifugal pump 10 of first filter 9 and second and storage tank 12
Mouth is connected, and the outlet of storage tank 12 is connected by the second filter 13 and the 3rd centrifugal pump 14 with Urea Evaporation granulating system 23.
The top of the tank diameter 7 is provided with the first stirring motor 6, and the bottom of the first stirring motor 6 passes through the first agitating shaft 24 and first
Stirring vane 25 is connected, and the inwall of tank diameter 7 is provided with deflection plate 8, and the outer surface of tank diameter 7 is provided with the first heat exchange coil 26,
One end of first heat exchange coil 26 is connected with saturated vapor pipeline, the other end and the condensing water conduit phase of the first heat exchange coil 26
Even.The deflection plate 8 is rectangular parallelepiped structure.The deflection plate 8 is two, and it is symmetrically arranged in the inwall of tank diameter 7
Between on position.The top of the storage tank 12 is provided with the second stirring motor 11, and the bottom of the second stirring motor 11 is stirred by second
Mix axle 28 with the second stirring vane 29 to be connected, the outer surface of storage tank 12 is provided with the second heat exchange coil 27, the second heat exchange coil 27
One end be connected with saturated vapor pipeline, the other end of the first heat exchange coil 27 is connected with condensing water conduit.The Urea Evaporation
The decomposition of effluent outlet of system 22 is first-class by being sequentially provided with the pipeline between pipeline and the decomposition of effluent import of tank diameter 7
The valve 16 of gauge 17 and first；Circulation fluid exports is provided with the second valve 18 between the first centrifugal pump 5；Potassium fulvate taphole
The 3rd valve 19 is provided between first filter 9；The 4th valve is provided between the outlet of storage tank 12 and the second filter 13
20；The 5th valve 21 and second flowmeter 15 are provided between 3rd centrifugal pump 14 and Urea Evaporation granulating system 23.
A kind of dissolving method of the dissolver of potassium fulvate, the dissolving method comprise the following steps：
Step 1：The second valve 18 and the 3rd valve 19 are closed, opens the first valve 16, and starts the first stirring motor 6,
Make decomposition of effluent outlet and the decomposition of effluent import of tank diameter 7 of the decomposition of effluent not less than 65 DEG C by Urea Evaporation System 22
The first valve 16 is closed into tank diameter 7, after feed liquor, and makes a call to the second valve 18；
Step 2：Start the first centrifugal pump 5, open star-like valve 2, enter the potassium fulvate in potassium fulvate storage tank 1
Entering makes the decomposition of effluent in step 1 in tank diameter 7 enter in solid-liquid injector 3 while in solid-liquid injector 3, potassium fulvate
Enter after being mixed with decomposition of effluent in pipe-line mixer 4 and mix again, enter after mixing again in tank diameter 7 by the first stirring
Blade 25, which is stirred, is made potassium fulvate solution；
Step 3：Repeat the above steps two, make being continuously added in potassium fulvate solution for potassium fulvate, solution concentration is gradual
Improve, when solid content reaches 22%, close the star-like valve 18 of valve 2 and second, and stop the first centrifugal pump 5 and run, open
3rd valve 19, start the second centrifugal pump 10, solid content is reached 22% potassium fulvate solution and pass through first filter 9, the
The import of two centrifugal pumps 10 and storage tank 12 enters in storage tank 12, continues to stir by the second stirring vane 29 in storage tank 12
Mix potassium fulvate solution；
Step 4：The 4th valve 20 and the 5th valve 21 are opened, and starts the 3rd centrifugal pump 14, makes to continue to stir in step 3
Mix potassium fulvate solution and pass through the 4th valve 20, the second filter 13, the 3rd centrifugal pump 14, the 5th valve 21 and second flowmeter
Mixed in 15 fusing ureas entered in Urea Evaporation granulating system 23, enter after mixing in granulating system and be granulated,
；
Step 5：While the 4th valve 20 in step 4 and the 5th valve 21 are opened, one is repeated the above steps to step
Rapid two, after the completion of step 2, the 4th valve 20 and the 5th valve 21 are closed, and complete above-mentioned steps three and step 4 to realize
Continuous production.Potassium fulvate solution carries out flow measurement by second flowmeter 15 in the step 4, and passes through the 5th valve
The flow of 21 pairs of potassium fulvate solution is adjusted, and makes potassium fulvate solution weight and urine into Urea Evaporation granulating system 23
The weight ratio of the plain fusing urea of evaporation prilling system 23 is：3∶250.
Embodiment three
A kind of dissolver of potassium fulvate, including potassium fulvate storage tank 1, Urea Evaporation System 22 and Urea Evaporation are made
Grain system 23, the decomposition of effluent outlet of Urea Evaporation System 22 are connected with the decomposition of effluent import of tank diameter 7 by pipeline, stirred
The side of the bottom of groove 7 exports provided with circulation fluid, the liquid-inlet that circulation fluid outlet passes through the first centrifugal pump 5 and solid-liquid injector 3
It is connected, the solids inlet of solid-liquid injector 3 is connected by star-like valve 2 with the discharging opening of the bottom of potassium fulvate storage tank 1, solid-liquid
The outlet of injector 3 is connected by pipe-line mixer 4 with the circulation fluid import of tank diameter 7, and the opposite side of the bottom of tank diameter 7 is provided with
Potassium fulvate taphole, potassium fulvate taphole are entered by the centrifugal pump 10 of first filter 9 and second and storage tank 12
Mouth is connected, and the outlet of storage tank 12 is connected by the second filter 13 and the 3rd centrifugal pump 14 with Urea Evaporation granulating system 23.
The top of the tank diameter 7 is provided with the first stirring motor 6, and the bottom of the first stirring motor 6 passes through the first agitating shaft 24 and first
Stirring vane 25 is connected, and the inwall of tank diameter 7 is provided with deflection plate 8, and the outer surface of tank diameter 7 is provided with the first heat exchange coil 26,
One end of first heat exchange coil 26 is connected with saturated vapor pipeline, the other end and the condensing water conduit phase of the first heat exchange coil 26
Even.The deflection plate 8 is rectangular parallelepiped structure.The deflection plate 8 is two, and it is symmetrically arranged in the inwall of tank diameter 7
Between on position.The top of the storage tank 12 is provided with the second stirring motor 11, and the bottom of the second stirring motor 11 is stirred by second
Mix axle 28 with the second stirring vane 29 to be connected, the outer surface of storage tank 12 is provided with the second heat exchange coil 27, the second heat exchange coil 27
One end be connected with saturated vapor pipeline, the other end of the first heat exchange coil 27 is connected with condensing water conduit.The Urea Evaporation
The decomposition of effluent outlet of system 22 is first-class by being sequentially provided with the pipeline between pipeline and the decomposition of effluent import of tank diameter 7
The valve 16 of gauge 17 and first；Circulation fluid exports is provided with the second valve 18 between the first centrifugal pump 5；Potassium fulvate taphole
The 3rd valve 19 is provided between first filter 9；The 4th valve is provided between the outlet of storage tank 12 and the second filter 13
20；The 5th valve 21 and second flowmeter 15 are provided between 3rd centrifugal pump 14 and Urea Evaporation granulating system 23.
A kind of dissolving method of the dissolver of potassium fulvate, the dissolving method comprise the following steps：
Step 1：The second valve 18 and the 3rd valve 19 are closed, opens the first valve 16, and starts the first stirring motor 6,
Make decomposition of effluent outlet and the decomposition of effluent import of tank diameter 7 of the decomposition of effluent not less than 65 DEG C by Urea Evaporation System 22
The first valve 16 is closed into tank diameter 7, after feed liquor, and makes a call to the second valve 18；
Step 2：Start the first centrifugal pump 5, open star-like valve 2, enter the potassium fulvate in potassium fulvate storage tank 1
Entering makes the decomposition of effluent in step 1 in tank diameter 7 enter in solid-liquid injector 3 while in solid-liquid injector 3, potassium fulvate
Enter after being mixed with decomposition of effluent in pipe-line mixer 4 and mix again, enter after mixing again in tank diameter 7 by the first stirring
Blade 25, which is stirred, is made potassium fulvate solution；
Step 3：Repeat the above steps two, make being continuously added in potassium fulvate solution for potassium fulvate, solution concentration is gradual
Improve, when solid content reaches 21%, close the star-like valve 18 of valve 2 and second, and stop the first centrifugal pump 5 and run, open
3rd valve 19, start the second centrifugal pump 10, solid content is reached 21% potassium fulvate solution and pass through first filter 9, the
The import of two centrifugal pumps 10 and storage tank 12 enters in storage tank 12, continues to stir by the second stirring vane 29 in storage tank 12
Mix potassium fulvate solution；
Step 4：The 4th valve 20 and the 5th valve 21 are opened, and starts the 3rd centrifugal pump 14, makes to continue to stir in step 3
Mix potassium fulvate solution and pass through the 4th valve 20, the second filter 13, the 3rd centrifugal pump 14, the 5th valve 21 and second flowmeter
Mixed in 15 fusing ureas entered in Urea Evaporation granulating system 23, enter after mixing in granulating system and be granulated,
；
Step 5：While the 4th valve 20 in step 4 and the 5th valve 21 are opened, one is repeated the above steps to step
Rapid two, after the completion of step 2, the 4th valve 20 and the 5th valve 21 are closed, and complete above-mentioned steps three and step 4 to realize
Continuous production.Potassium fulvate solution carries out flow measurement by second flowmeter 15 in the step 4, and passes through the 5th valve
The flow of 21 pairs of potassium fulvate solution is adjusted, and makes potassium fulvate solution weight and urine into Urea Evaporation granulating system 23
The weight ratio of the plain fusing urea of evaporation prilling system 23 is：3∶250.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " connection ", " phase
Company " etc. should be interpreted broadly, for example, it may be being fixedly connected, be integrally connected or be detachably connected；Can also
It is the connection of two element internals；Can be joined directly together, can also be indirectly connected by intermediary, for the general of this area
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.Above specifically
The bright feasibility embodiment only for the present invention illustrates, and they are simultaneously not used to the protection model of the limitation present invention
Enclose, all equivalent implementations made without departing from skill spirit of the present invention, change and transformation should be included in the protection of the present invention
Within the scope of.
Claims (9)
1. a kind of dissolver of potassium fulvate, including potassium fulvate storage tank (1), Urea Evaporation System (22) and Urea Evaporation
Granulating system (23), it is characterised in that：The solution that the decomposition of effluent outlet of Urea Evaporation System (22) passes through pipeline and tank diameter (7)
Waste suction liquid import is connected, and the side of tank diameter (7) bottom exports provided with circulation fluid, and circulation fluid outlet passes through the first centrifugal pump (5)
It is connected with the liquid-inlet of solid-liquid injector (3), the solids inlet of solid-liquid injector (3) passes through star-like valve (2) and fulvic acid
The discharging opening of potassium storage tank (1) bottom is connected, and the outlet of solid-liquid injector (3) passes through pipe-line mixer (4) and tank diameter (7)
Circulation fluid import is connected, and the opposite side of tank diameter (7) bottom is provided with potassium fulvate taphole, and potassium fulvate taphole passes through
First filter (9) and the second centrifugal pump (10) are connected with the import of storage tank (12), and the outlet of storage tank (12) passes through second
Filter (13) and the 3rd centrifugal pump (14) are connected with Urea Evaporation granulating system (23).
A kind of 2. dissolver of potassium fulvate according to claim 1, it is characterised in that：The top of the tank diameter (7)
Portion is provided with the first stirring motor (6), and the bottom of the first stirring motor (6) passes through the first agitating shaft (24) and the first stirring vane
(25) it is connected, the inwall of tank diameter (7) is provided with deflection plate (8), and the outer surface of tank diameter (7) is provided with the first heat exchange coil
(26), one end of the first heat exchange coil (26) is connected with saturated vapor pipeline, the other end of the first heat exchange coil (26) and condensation
Waterpipe is connected.
A kind of 3. dissolver of potassium fulvate according to claim 2, it is characterised in that：The deflection plate (8) is length
Cube structure.
A kind of 4. dissolver of potassium fulvate according to Claims 2 or 3, it is characterised in that：The deflection plate (8) is
Two, it is symmetrically arranged on the centre position of tank diameter (7) inwall.
A kind of 5. dissolver of potassium fulvate according to claim 1, it is characterised in that：The top of the storage tank (12)
Portion is provided with the second stirring motor (11), and the bottom of the second stirring motor (11) passes through the second agitating shaft (28) and the second stirring vane
(29) it is connected, the outer surface of storage tank (12) is provided with the second heat exchange coil (27), one end of the second heat exchange coil (27) and saturation
Jet chimney is connected, and the other end of the first heat exchange coil (27) is connected with condensing water conduit.
A kind of 6. dissolver of potassium fulvate according to claim 1, it is characterised in that：The Urea Evaporation System
(22) decomposition of effluent outlet is first-class by being sequentially provided with the pipeline between pipeline and the decomposition of effluent import of tank diameter (7)
Gauge (17) and the first valve (16)；Circulation fluid exports is provided with the second valve (18) between the first centrifugal pump (5)；Potassium fulvate
The 3rd valve (19) is provided between taphole and first filter (9)；The outlet of storage tank (12) and the second filter (13)
Between be provided with the 4th valve (20)；The 5th valve (21) is provided between 3rd centrifugal pump (14) and Urea Evaporation granulating system (23)
With second flowmeter (15).
A kind of 7. dissolving method of the dissolver of potassium fulvate as described in claim 1-6, it is characterised in that：The dissolving side
Method comprises the following steps：
Step 1：The second valve (18) and the 3rd valve (19) are closed, opens the first valve (16), and start the first stirring motor
(6) decomposition of effluent outlet and the desorption of tank diameter (7) of the decomposition of effluent not less than 65 DEG C by Urea Evaporation System (22), are made
Waste liquid import enters in tank diameter (7), the first valve (16) is closed after feed liquor, and make a call to the second valve (18)；
Step 2：Start the first centrifugal pump (5), open star-like valve (2), make the potassium fulvate in potassium fulvate storage tank (1)
The decomposition of effluent in tank diameter in step 1 (7) is set to enter in solid-liquid injector (3) while into solid-liquid injector (3),
Potassium fulvate enters in pipe-line mixer (4) after being mixed with decomposition of effluent to be mixed again, is entered after mixing again in tank diameter (7)
It is stirred by the first stirring vane (25) and potassium fulvate solution is made；
Step 3：Repeat the above steps two, make being continuously added in potassium fulvate solution for potassium fulvate, solution concentration gradually carries
Height, when solid content reaches 20%-22%, star-like valve (2) and the second valve (18) are closed, and stop the first centrifugal pump (5)
Operation, the 3rd valve (19) is opened, start the second centrifugal pump (10), the potassium fulvate solution for making solid content reach 20%-22%
Entered by the import of first filter (9), the second centrifugal pump (10) and storage tank (12) in storage tank (12), in storage tank
(12) stirring potassium fulvate solution is continued by the second stirring vane (29) in；
Step 4：The 4th valve (20) and the 5th valve (21) are opened, and starts the 3rd centrifugal pump (14), makes to continue in step 3
Stir potassium fulvate solution by the 4th valve (20), the second filter (13), the 3rd centrifugal pump (14), the 5th valve (21) and
Mixed in the fusing urea that second flowmeter (15) enters in Urea Evaporation granulating system (23), enter after mixing and be granulated system
It is granulated in system, you can；
Step 5：While the 4th valve (20) in step 4 and the 5th valve (21) are opened, one is repeated the above steps to step
Rapid two, after the completion of step 2, close the 4th valve (20) and the 5th valve (21), and complete above-mentioned steps three and step 4 with
Realize continuous production.
A kind of 8. dissolving method of the dissolver of potassium fulvate according to claim 7, it is characterised in that：The step
Potassium fulvate solution carries out flow measurement by second flowmeter (15) in four, and molten to potassium fulvate by the 5th valve (21)
The flow of liquid is adjusted, and the potassium fulvate solution weight made into Urea Evaporation granulating system (23) is granulated with Urea Evaporation is
System (23) fusing urea weight ratio be：3∶250.
A kind of 9. application of dissolver of the potassium fulvate as described in claim 1-6 in potassium fulvate urea is prepared.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710770917.3A CN107500980B (en) | 2017-08-21 | 2017-08-21 | Dissolving device, dissolving method and application of potassium fulvate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770917.3A CN107500980B (en) | 2017-08-21 | 2017-08-21 | Dissolving device, dissolving method and application of potassium fulvate |
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| CN107500980B CN107500980B (en) | 2023-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041115A (en) * | 2018-01-15 | 2019-07-23 | 中国石油天然气股份有限公司 | A kind of liquid fertilizer and its preparation method and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426981A (en) * | 2001-12-21 | 2003-07-02 | 中国科学院沈阳应用生态研究所 | Production technology of compound long active urea and its special equipment |
| CN102056865A (en) * | 2008-04-23 | 2011-05-11 | 德迪尼基础工业公司 | Process for producing an organo-mineral fertilizer |
| CN104692980A (en) * | 2015-03-24 | 2015-06-10 | 山东佐田氏生物科技有限公司 | Humus acid nitrogen fertilizer granulating device and method thereof |
| CN206109242U (en) * | 2016-08-29 | 2017-04-19 | 河南心连心化肥有限公司 | Preparation facilities of mixed ground paste of compound fertilizer |
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2017
- 2017-08-21 CN CN201710770917.3A patent/CN107500980B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426981A (en) * | 2001-12-21 | 2003-07-02 | 中国科学院沈阳应用生态研究所 | Production technology of compound long active urea and its special equipment |
| CN102056865A (en) * | 2008-04-23 | 2011-05-11 | 德迪尼基础工业公司 | Process for producing an organo-mineral fertilizer |
| CN104692980A (en) * | 2015-03-24 | 2015-06-10 | 山东佐田氏生物科技有限公司 | Humus acid nitrogen fertilizer granulating device and method thereof |
| CN206109242U (en) * | 2016-08-29 | 2017-04-19 | 河南心连心化肥有限公司 | Preparation facilities of mixed ground paste of compound fertilizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041115A (en) * | 2018-01-15 | 2019-07-23 | 中国石油天然气股份有限公司 | A kind of liquid fertilizer and its preparation method and application |
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