CN215559927U - Device for producing full-water-soluble calcium nitrate dihydrate potassium nitrate compound fertilizer - Google Patents
Device for producing full-water-soluble calcium nitrate dihydrate potassium nitrate compound fertilizer Download PDFInfo
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- CN215559927U CN215559927U CN202121043338.7U CN202121043338U CN215559927U CN 215559927 U CN215559927 U CN 215559927U CN 202121043338 U CN202121043338 U CN 202121043338U CN 215559927 U CN215559927 U CN 215559927U
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- Prior art keywords
- calcium
- potassium nitrate
- nitrate
- potassium
- tank
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 24
- -1 calcium nitrate dihydrate potassium nitrate compound Chemical class 0.000 title claims abstract description 20
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000004323 potassium nitrate Substances 0.000 claims abstract description 17
- 235000010333 potassium nitrate Nutrition 0.000 claims abstract description 16
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000292 calcium oxide Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 15
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 10
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- AOLLNXQCEGSPGQ-UHFFFAOYSA-N calcium potassium trinitrate Chemical compound [K+].[Ca++].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O AOLLNXQCEGSPGQ-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 7
- 239000011575 calcium Substances 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- 235000013619 trace mineral Nutrition 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000021749 root development Effects 0.000 description 1
- 230000002786 root growth Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
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Abstract
The utility model relates to production equipment of a calcium potassium nitrate dihydrate compound fertilizer in the field of fertilizers, in particular to a device for producing a full-water-soluble calcium potassium nitrate dihydrate compound fertilizer. A device for producing full water-soluble calcium potassium nitrate dihydrate compound fertilizer comprises a dilute acid tank and a calcium oxide tank, wherein discharge ports of the dilute acid tank and the calcium oxide tank are connected with a reaction kettle; a discharge hole of the reaction kettle is connected with a first filter press, and the first filter press and a discharge hole of the potassium nitrate tank are connected with a calcium nitrate and potassium nitrate mixer together; a discharge port of the calcium nitrate potassium mixer is connected with a heat exchanger, a discharge port of the heat exchanger is connected with a second filter press, a discharge port of the second filter press is connected with a calcium nitrate potassium evaporator, and a discharge port of the calcium nitrate potassium evaporator is connected with a cooling kettle; the discharge hole of the cooling kettle is connected with a disk granulator. The calcium potassium nitrate dihydrate product finally produced by the method is dissolved in water to form a clear and transparent solution, does not block after long-time storage and long-distance transportation, and has stable content.
Description
Technical Field
The utility model relates toA production device of a dihydrate calcium nitrate potassium compound fertilizer in the fertilizer field, in particular to a production device of a full water-soluble dihydrate calcium nitrate potassium compound fertilizer (5 Ca (NO)3)2·xKNO3·10H2O, wherein 0<x is less than or equal to 5).
Background
The calcium nitrate fertilizer and the potassium nitrate fertilizer have the effects of enhancing the formation and transportation of crop photosynthetic products, promoting flower bud differentiation, increasing fruit setting rate, preventing flower and fruit dropping and fruit cracking, promoting the division of new tissues, ensuring good root growth and development, quickly expanding fruits, improving the quality of crops, and increasing the contents of sugar, protein, vitamins and the like in the crops. The existing calcium potassium nitrate fertilizer is prepared by simple physical mixing, so that the content of calcium potassium nitrate products is greatly different. Based on this, a production device suitable for the improved process needs to be matched for the production process of the fertilizer, so as to solve the technical problem that the content of calcium potassium nitrate products in the traditional process production is greatly different.
Disclosure of Invention
The utility model provides a device for producing a full water-soluble potassium calcium nitrate dihydrate compound fertilizer, aiming at solving the technical problem that the content of potassium calcium nitrate products in the existing production is greatly different.
The utility model is realized by adopting the following technical scheme: a device for producing a full water-soluble calcium potassium nitrate dihydrate compound fertilizer comprises a dilute acid tank, a calcium oxide tank and a potassium nitrate tank, wherein discharge ports of the dilute acid tank and the calcium oxide tank are connected with a reaction kettle together; a discharge port of the reaction kettle is connected with a first filter press, and the first filter press and a discharge port of the potassium nitrate tank are connected with a mixer together; the discharge port of the mixer is connected with a heat exchanger, the discharge port of the heat exchanger is connected with a second filter press, and the heat exchanger is connected with a boiler; the discharge hole of the second filter press is connected with an evaporator, and the steam inlet of the evaporator is connected with a steam boiler; the discharge ports of the evaporators are respectively connected with two cooling kettles, and the discharge ports of the two cooling kettles are jointly connected with a disc granulator; the two cooling kettles are connected with a feeding port of a feeding device of the disc granulator.
When the device is used, as shown in figure 1, dilute nitric acid is contained in a dilute acid tank, calcium oxide is contained in a calcium oxide tank, the dilute nitric acid tank and the calcium oxide tank are connected with a reaction kettle through a pipeline, and a discharge port at the bottom of the reaction kettle is connected with a first filter press through a pipeline and used for filtering calcium nitrate neutralization liquid; a discharge port of the first filter press is connected with a first feeding port of the mixer, a potassium nitrate tank is filled with potassium nitrate, and the discharge port is connected with a second feeding port of the mixer; the discharge port of the mixer is heated by a heat exchanger and then is connected with a second filter press, and the second filter press is used for filtering impurities; the evaporator realizes the concentration of calcium potassium nitrate, and the steam boiler provides steam for the evaporator. Each pipeline is provided with a pump.
The method for producing the full water-soluble calcium nitrate dihydrate potassium nitrate compound fertilizer by adopting the device comprises the following steps:
1. calcium oxide and dilute nitric acid (the solution concentration is 30-65%) are mixed according to a molar ratio of 1: 2 (calcium oxide and nitric acid) are added into a reaction kettle for neutralization reaction, the temperature is controlled to be 70-80 ℃, stirring is carried out for reaction for 1.5-2 h, then the pH of the reaction liquid is adjusted to 6.5-7.5 by the calcium oxide, the obtained calcium nitrate neutralization liquid enters a first filter press for filtration, and transparent filtrate is obtained;
2. pumping the filtrate into a mixer, adding potassium nitrate into the mixer in proportion, wherein the mass ratio of potassium nitrate is 3-50% of that of the calcium nitrate solution, fully and uniformly stirring the solution obtained by mixing the calcium nitrate and the potassium nitrate, and heating the mixed solution to 90-120 ℃ through a heat exchanger; the preheated mixed solution enters a filter press for secondary filtration to obtain a transparent solution for later use;
3. adding the filtrate obtained in the step (2) into an evaporator for concentration, wherein the evaporation temperature is 150-200 ℃, and concentrating until the specific gravity is 1.500-1.950 g/cm for carrying out dry distillation;
4. pumping the concentrated solution obtained in the step (3) into a cooling kettle, cooling to 110 +/-30 ℃, adding boric acid, EDTA-copper and other trace elements (the total content of the trace elements is more than or equal to 0.2% in the total mass, and the elements have NO specific content and can be added according to specific requirements) and stirring until the trace elements are dissolved, and then feeding the mixture into a disc granulator to generate spherical granular calcium nitrate potassium dihydrate compound fertilizer (5 Ca (NO) (5 Ca)3)2·xKNO3·10H2O, wherein 0<x is less than or equal to 5) finished products (the diameter is 1-10 mm);
5. and (6) packaging and warehousing.
The calcium nitrate dihydrate potassium nitrate compound fertilizer prepared by the device and the method is an upgraded and updated product of the existing calcium nitrate, and on the premise of ensuring the fertilizer efficiency of the calcium nitrate, a large amount of full water-soluble potassium elements are added, so that the nutrient absorption is promoted, and the comprehensive fertilizer efficiency and the utilization rate are obviously improved.
The utility model has the beneficial effects that:
1. the device thoroughly solves the problem of uneven product content by adjusting production equipment and combining a new production process.
2. The device is technically characterized in that aiming at a method and a production process for synthesizing the double salt by a scientific formula, production equipment is improved, the equipment can synthesize calcium nitrate and potassium nitrate dihydrate into the double salt of calcium nitrate and potassium nitrate, the appearance, the strength and the content of the product are all optimal, and the problem of uneven content caused by physical mixing is thoroughly solved.
3. The product of the dihydrate potassium calcium nitrate produced by the device is a clear transparent solution with uniform content when dissolved in water.
4. The granulating disc angle of the disc granulator adopts an integral arc structure, the granulating rate reaches more than 93 percent, and the granulating disc is provided with three discharge ports, so that the discontinuous production operation is convenient.
5. The calcium potassium nitrate dihydrate product finally produced by the method is dissolved in water to form a clear and transparent solution, does not block after long-time storage and long-distance transportation, and has stable content. Because of simultaneously containing calcium and potassium, the nutrient is more comprehensive than single potassium nitrate and calcium nitrate, the potassium plays a promoting role in absorbing calcium, and all elements have a synergistic effect mutually, so that the plant absorption is more comprehensive, and the farmland using effect is better.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
1-dilute acid tank, 2-calcium oxide tank, 3-reaction kettle, 4-first filter press, 5-potassium nitrate tank, 6-mixer, 7-heat exchanger, 8-second filter press, 9-boiler, 10-evaporator, 11-steam boiler, 12-cooling kettle and 13-disk granulator.
Detailed Description
The utility model provides a device of production full water-soluble calcium nitrate potassium dihydrate compound fertilizer comprises following device: a dilute acid tank 1, a calcium oxide tank 2, a reaction kettle 3, a first filter press 4, a potassium nitrate tank 5, a mixer 6, a heat exchanger 7, a second filter press 8, a boiler 9, an evaporator 10, a steam boiler 11, a cooling kettle 12 and a disk granulator 13; the discharge ports of the dilute acid tank 1 and the calcium oxide tank 2 are connected with a reaction kettle 3; a discharge hole of the reaction kettle 3 is connected with a first filter press 4, and discharge holes of the first filter press 4 and the potassium nitrate tank 5 are jointly connected with a mixer 6; a discharge port of the mixer 6 is connected with a heat exchanger 7, and the heat exchanger is connected with a second filter press 8 and a boiler 9; the discharge hole of the second filter press 8 is connected with an evaporator 10, and the steam inlet of the evaporator 10 is connected with a steam boiler 11; the discharge ports of the evaporator 10 are respectively connected with two cooling kettles 12, and the discharge ports of the two cooling kettles 12 are jointly connected with a disk granulator 13; the two cooling kettles 12 are connected with a feeding port of a feeding device of the disk granulator 13. The filter presses are all plate and frame filter presses.
Disk pelletizer manufacturers: henan Fender mechanical manufacturing Ltd, model ZL 32.
Claims (3)
1. A device for producing a full water-soluble calcium nitrate potassium dihydrate compound fertilizer is characterized by comprising a dilute acid tank (1), a calcium oxide tank (2) and a potassium nitrate tank (5), wherein discharge ports of the dilute acid tank (1) and the calcium oxide tank (2) are commonly connected with a reaction kettle (3); a discharge hole of the reaction kettle (3) is connected with a first filter press (4), and the discharge holes of the first filter press (4) and the potassium nitrate tank (5) are connected with a mixer (6) together; a discharge hole of the mixer (6) is connected with a heat exchanger (7), a discharge hole of the heat exchanger (7) is connected with a second filter press (8), and the heat exchanger (7) is connected with a boiler (9); a discharge hole of the second filter press (8) is connected with an evaporator (10), and a steam inlet of the evaporator (10) is connected with a steam boiler (11); the discharge ports of the evaporator (10) are respectively connected with two cooling kettles (12), and the discharge ports of the two cooling kettles (12) are jointly connected with a disk granulator (13); the two cooling kettles (12) are connected with a feeding port of a feeding device of the disk granulator (13).
2. The apparatus for producing fully water-soluble calcium potassium nitrate dihydrate compound fertilizer as claimed in claim 1, wherein the first and second filter presses are both plate and frame filter presses.
3. The apparatus for producing fully water-soluble calcium potassium nitrate dihydrate compound fertilizer as claimed in claim 1 or 2, characterized in that the flue of the boiler (9) is connected with the heat exchange pipeline of the heat exchanger (7) through a pipeline to form a heat supply circulation pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121043338.7U CN215559927U (en) | 2021-05-17 | 2021-05-17 | Device for producing full-water-soluble calcium nitrate dihydrate potassium nitrate compound fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121043338.7U CN215559927U (en) | 2021-05-17 | 2021-05-17 | Device for producing full-water-soluble calcium nitrate dihydrate potassium nitrate compound fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215559927U true CN215559927U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121043338.7U Active CN215559927U (en) | 2021-05-17 | 2021-05-17 | Device for producing full-water-soluble calcium nitrate dihydrate potassium nitrate compound fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215559927U (en) |
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2021
- 2021-05-17 CN CN202121043338.7U patent/CN215559927U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240118 Address after: 030500 Ciyao Village East, Jiaocheng County, Luliang City, Shanxi Province Patentee after: Shanxi Qixing Chemical Technology Co.,Ltd. Address before: 030006, Shanxi, Taiyuan Province, No. 368 Yin Jie north water building, 14 floor Patentee before: Lu Yongkuan |