CN214142138U - A device for producing water-soluble fertile of hemispherical medium element - Google Patents
A device for producing water-soluble fertile of hemispherical medium element Download PDFInfo
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- CN214142138U CN214142138U CN202023179158.XU CN202023179158U CN214142138U CN 214142138 U CN214142138 U CN 214142138U CN 202023179158 U CN202023179158 U CN 202023179158U CN 214142138 U CN214142138 U CN 214142138U
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Abstract
The utility model discloses a device for producing hemispherical medium element water-soluble fertilizer, which comprises a reaction and filtration system, an evaporation and concentration system and a mixing and granulating system; wherein reaction filtration system includes the reaction tank, and the discharge gate of reaction tank is connected to the clarification tank, and the discharge gate of clarification tank is through pump and pipe connection to pressure filter, and the discharge gate of pressure filter is connected to the evaporative concentration system, and the feed liquid exit linkage of evaporative concentration system is to mixing the first mixing tank of granulation system, and first mixing tank feed liquid exit linkage is to the second mixing tank, and the feed liquid export of second mixing tank is connected to the steel band granulator through the emulsion machine. By adopting the device, the powdery medium trace element fertilizer can be made into a hemispherical shape, and the requirement of mechanical fertilization is met.
Description
Technical Field
The utility model belongs to the technical field of chemical fertilizer production, a device of water-soluble fertile of hemispherical medium trace element of production is related to.
Background
Macroelements of nitrogen, phosphorus and potassium as fertilizers are well known and become the pillar industry of the fertilizer industry in the world nowadays, but with the heavy use of macroelement fertilizers, the deficiency of trace elements in soil is increasingly serious. At present, the dosage of medium trace elements is less, and most of China manually sprays foliar fertilizer, and with the increase of rural labor cost, the dosage of the foliar fertilizer is gradually reduced, and the market is atrophied, because the powdery medium trace element foliar fertilizer can not realize mechanized fertilization.
At present, the technical problem of preparing powdery medium-trace element fertilizer into particles is still certain, and the powdery medium-trace element fertilizer cannot be prepared by a granulation method, a guniting method or a high tower process.
Disclosure of Invention
The utility model provides a device for producing water-soluble fertile of hemispherical medium element can make the likepowder medium trace element fertilizer hemispherical, satisfies the requirement of mechanized fertilization.
The utility model adopts the technical proposal that the device for producing the hemispherical medium element water-soluble fertilizer comprises a reaction and filtration system, an evaporation and concentration system and a mixing and granulation system; wherein reaction filtration system includes the reaction tank, and the discharge gate of reaction tank is connected to the clarification tank, and the discharge gate of clarification tank is through pump and pipe connection to pressure filter, and the discharge gate of pressure filter is connected to the evaporative concentration system, and the feed liquid exit linkage of evaporative concentration system is to mixing the first mixing tank of granulation system, and first mixing tank feed liquid exit linkage is to the second mixing tank, and the feed liquid export of second mixing tank is connected to the steel band granulator through the emulsion machine.
Further, the reaction tank comprises a first reaction tank and a second reaction tank which are arranged in parallel, and both the first reaction tank and the second reaction tank are provided with a liquid adding pipeline and a charging opening.
Furthermore, a buffer tank is arranged between the filter press and the evaporation concentration system.
Furthermore, the evaporation concentration system is a triple-effect evaporator and comprises a single-effect evaporator, a double-effect evaporator and a triple-effect evaporator which are sequentially arranged, a discharge hole of the filter press is connected to a feed inlet of the single-effect evaporator, and a discharge hole of the triple-effect evaporator is connected to the first mixing tank.
Further, the second mixing tank is connected to the emulsifying machine using an overflow channel.
The utility model discloses following beneficial effect has:
through using the steel band granulator to granulate, can make the microelement fertilizer in the likepowder hemispherical, be favorable to mechanized fertilization, reduce fertilization intensity of labour and cost. And no waste water, waste gas and waste are generated in the preparation process, and the filtered waste water is recycled. The device can be used for producing fertilizers rich in various medium and trace elements, can effectively solve various nutrient deficiency symptoms of plants, and improves the crop yield to the maximum extent.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the following examples and drawings.
As shown in fig. 1, the device for producing the hemispherical medium-element water-soluble fertilizer comprises a reaction filtering system, an evaporation concentration system and a mixing granulation system; wherein reaction filtration system includes the reaction tank, and the discharge gate of reaction tank is connected to clarification tank 3, and the discharge gate of clarification tank is through pump and pipe connection to pressure filter 4, and the discharge gate of pressure filter 4 is connected to evaporative concentration system 6, and the feed liquid outlet of evaporative concentration system is connected to the first mixing tank 7 of mixing the granulation system, and 7 feed liquid outlet of first mixing tank are connected to second mixing tank 8, and the feed liquid export of second mixing tank 8 is connected to steel band granulator 10 through emulsion machine 9.
Preferably, the reaction tank comprises a first reaction tank 1 and a second reaction tank 2 which are arranged in parallel, and both are provided with a liquid feeding pipeline and a feeding port.
Preferably, a buffer tank 5 is also arranged between the filter press 4 and the evaporation concentration system 6.
Preferably, the evaporation concentration system is a triple-effect evaporator and comprises a first-effect evaporator 6-1, a second-effect evaporator 6-2 and a triple-effect evaporator 6-3 which are sequentially arranged, a discharge hole of the filter press 4 is connected to a feed inlet of the first-effect evaporator 6-1, and a discharge hole of the triple-effect evaporator 6-3 is connected to a first mixing tank 7. Further, the second mixing tank 8 overflows to the emulsifying machine.
The device is used for producing the hemispherical medium-element water-soluble fertilizer, for example, dilute nitric acid and magnesium oxide are reacted to generate magnesium nitrate solution, after impurity removal, concentration and evaporation are carried out, then calcium nitrate tetrahydrate and composite trace elements are combined to prepare mixed slurry, and the hemispherical medium-element water-soluble fertilizer is produced through granulation by a steel belt granulator.
The specific process steps are as follows: dilute nitric acid enters the reaction tank through a pipeline, magnesium oxide is added into the reaction tank through a feeding port on the reaction tank, magnesium nitrate solution generated after reaction enters a clarifying tank, supernatant is conveyed to a filter press through a pump, and filtrate enters a buffer tank for later use.
The specific operation steps are as follows:
(1) dilute nitric acid with 65% concentration from a nitric acid storage tank enters the first reaction tank 1 and the second reaction tank 2 through pipelines respectively, a certain amount of magnesium oxide is added into the first reaction tank 1 and the second reaction tank 2, and the mass ratio of the nitric acid to the magnesium oxide is 2.2: 1.
(2) Magnesium nitrate solution generated in the reaction tank overflows into a clarifying tank, in the clarifying tank, the solution and impurities are subjected to preliminary clarification and separation, supernatant enters a filter press through a pulping pump, filtrate enters a buffer tank and is conveyed to a triple-effect evaporation and concentration system through a pump, wherein the bottom temperature of a single-effect evaporator is 138 ℃, the bottom liquid level is 20%, and the top pressure is 120kpa (g); the bottom temperature of the double-effect evaporator is 115 ℃, the bottom liquid level is 20%, and the top pressure is 10kpa (g); the bottom temperature of the triple effect evaporator is 74 ℃, the bottom liquid level is 20 percent, and the top pressure is 85kpa (g).
(3) The concentrated magnesium nitrate solution enters a first mixing tank 7, a certain amount of calcium nitrate tetrahydrate is added into the first mixing tank 7, slurry overflows into a second mixing tank 8 after being uniformly mixed, a certain amount of composite trace elements are added into the second mixing tank 8, the slurry enters an emulsifying machine after being uniformly mixed and is forcibly mixed again, and the slurry finally enters a steel belt granulator for granulation to produce the hemispherical medium trace element fertilizer, wherein the temperature of the first mixing tank is 155 ℃, and the temperature of the second mixing tank is 155 ℃.
Claims (5)
1. The utility model provides a device for producing water-soluble fertile of hemispherical medium element which characterized in that: comprises a reaction filtering system, an evaporation concentration system and a mixing granulation system; wherein reaction filtration system includes the reaction tank, the discharge gate of reaction tank is connected to clarification tank (3), the discharge gate of clarification tank is through pump and pipe connection to pressure filter (4), the discharge gate of pressure filter (4) is connected to evaporative concentration system (6), the feed liquid exit linkage of evaporative concentration system is to mixing first mixing tank (7) of granulation system, first mixing tank (7) feed liquid exit linkage is to second mixing tank (8), the feed liquid export of second mixing tank (8) is connected to steel band granulator (10) through emulsion machine (9).
2. The apparatus of claim 1, wherein: the reaction tank comprises a first reaction tank (1) and a second reaction tank (2) which are arranged in parallel, and both the first reaction tank and the second reaction tank are provided with a liquid feeding pipeline and a feeding port.
3. The apparatus of claim 1, wherein: and a buffer tank (5) is also arranged between the filter press (4) and the evaporation concentration system (6).
4. The apparatus of claim 1, wherein: the evaporation concentration system is a triple-effect evaporator and comprises a first-effect evaporator (6-1), a second-effect evaporator (6-2) and a triple-effect evaporator (6-3) which are sequentially arranged, a discharge hole of the filter press (4) is connected to a feed inlet of the first-effect evaporator (6-1), and a discharge hole of the triple-effect evaporator (6-3) is connected to a first mixing tank (7).
5. The apparatus of claim 1, wherein: the second mixing tank (8) is connected to the emulsifying machine by an overflow channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023179158.XU CN214142138U (en) | 2020-12-25 | 2020-12-25 | A device for producing water-soluble fertile of hemispherical medium element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023179158.XU CN214142138U (en) | 2020-12-25 | 2020-12-25 | A device for producing water-soluble fertile of hemispherical medium element |
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| Publication Number | Publication Date |
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| CN214142138U true CN214142138U (en) | 2021-09-07 |
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| CN202023179158.XU Active CN214142138U (en) | 2020-12-25 | 2020-12-25 | A device for producing water-soluble fertile of hemispherical medium element |
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- 2020-12-25 CN CN202023179158.XU patent/CN214142138U/en active Active
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