CN108059175B - Potassium nitrate purification system - Google Patents
Potassium nitrate purification system Download PDFInfo
- Publication number
- CN108059175B CN108059175B CN201810051748.2A CN201810051748A CN108059175B CN 108059175 B CN108059175 B CN 108059175B CN 201810051748 A CN201810051748 A CN 201810051748A CN 108059175 B CN108059175 B CN 108059175B
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- heating
- fixedly connected
- box
- potassium nitrate
- cooling
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D9/00—Nitrates of sodium, potassium or alkali metals in general
- C01D9/16—Purification
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a potassium nitrate purification system which comprises a first heating dissolving box and a cooling box, wherein one side of the first heating dissolving box is fixedly connected with the cooling box, a first rotating shaft is rotatably connected to the inside of the first heating dissolving box, stirring teeth are fixedly connected to the outer side of the first rotating shaft, a second motor is fixedly connected to the upper end of the first heating dissolving box, the second motor is fixedly connected with the first rotating shaft through a shaft connector, the upper end of the first heating dissolving box is fixedly connected with a crushing box through a second connecting pipe, a second rotating shaft is rotatably arranged in the crushing box, a crushing cutter is fixedly connected to the outer side of the second rotating shaft, and a first motor is fixedly connected to one side of the crushing box. This potassium nitrate purification system is through being provided with crushing case, smashes the case and can flow into the heating after smashing cubic potassium nitrate and dissolve the case in heating, has improved the efficiency that potassium nitrate dissolved.
Description
Technical Field
The invention relates to the technical field of potassium nitrate, in particular to a potassium nitrate purification system.
Background
The potassium nitrate is colorless transparent rhombic or diamond crystal white powder, is easy to dissolve in water, is insoluble in ethanol, is not easy to deliquesce in air, is a strong oxidant, and can be burnt and exploded when being contacted with organic matters. Potassium nitrate is used for making powder, glass, matches, and as fertilizer, analytical reagent, etc. The potassium nitrate is a chlorine-free potassium and nitrogen-free compound fertilizer, the total content of plant nutrient potassium and nitrogen can reach about 60 percent, and the compound fertilizer has good physical and chemical properties. The potassium nitrate applied to the tobacco has the important effects of high fertilizer efficiency, easy absorption, promotion of early emergence of seedlings, increase of tobacco yield and improvement of tobacco quality. The potassium nitrate is very widely used in the agricultural market, belongs to a binary compound fertilizer, is used as an analysis reagent and an oxidant, and is also used for synthesizing potassium salts and preparing explosive. In the food industry, as a color former, color fixative, antimicrobial, preservative, such as for marinated meats, and in luncheon meats. Also for fireworks to produce purple sparks. Mechanical heat treatment is used as a salt bath for quenching. The ceramic industry is used for manufacturing enamel color medicines. Manufacturing automobile lamp glass shell, optical glass kinescope glass shell, etc. The medicine industry is used for producing penicillin potassium salt, rifampicin and other medicines, and is used for preparing cigarette paper and catalysts. Potassium nitrate is also a color former that is allowed to be used in china. It is reduced to potassium nitrite in meat products due to bacterial action, and has the functions of color protection and bacteriostasis.
The existing potassium nitrate purification system is used for heating and dissolving the blocky potassium nitrate in a direct dissolving box when purifying the potassium nitrate with low purity, so that the dissolving time is prolonged, the dissolving efficiency is greatly reduced, and when the potassium nitrate is dissolved, the stirring device is not used for stirring the potassium nitrate, so that the potassium nitrate is not uniform when being dissolved, and the potassium nitrate is purified frequently at one time, so that the purity of the potassium nitrate is not high and does not meet the industrial standard.
Disclosure of Invention
The invention aims to provide a potassium nitrate purification system, which solves the problems that when the existing potassium nitrate purification system is used for purifying potassium nitrate with lower purity, a blocky potassium nitrate direct dissolving box is heated and dissolved, so that the dissolving time is prolonged, the dissolving efficiency is greatly reduced, and when the potassium nitrate is dissolved, a stirring device is not used for stirring the potassium nitrate, so that the potassium nitrate is not uniformly dissolved, and is purified frequently once, so that the purity of the potassium nitrate is not high and is not in accordance with the industrial standard.
In order to achieve the above purpose, the invention provides a potassium nitrate purification system, which comprises a heating dissolving tank and a cooling tank, wherein one side of the heating dissolving tank is fixedly connected with a cooling tank, the inside of the heating dissolving tank is rotationally connected with a first rotating shaft, the outside of the first rotating shaft is fixedly connected with stirring teeth, the upper end of the first heating dissolving tank is fixedly connected with a second motor, the second motor is fixedly connected with the first rotating shaft through a shaft connector, the upper end of the first heating dissolving tank is fixedly connected with a crushing tank through a second connecting pipe, the inside of the crushing tank is rotationally provided with a second rotating shaft, the outside of the second rotating shaft is fixedly connected with a crushing cutter, one side of the crushing tank is fixedly connected with a first motor, the inside of the first motor is rotationally connected with the second rotating shaft through a shaft connector, the upper end of the crushing tank is provided with a feeding port, the inside of the cooling tank is detachably connected with a filter screen, the lower part of the filter screen is provided with a flow guide plate, the inner wall of the cooling tank is fixedly connected with a water pipe, the lower end of the cooling tank is fixedly connected with a water tank, the inside of the water pump is fixedly connected with a first pump, the water pump is fixedly connected with the upper end of the first pump is connected with a third pump through a first pump, the upper end of the first pump is fixedly connected with a second pump, one side of the first pump is fixedly connected with a third pump through a first pump, the second pump is fixedly connected with the second pump is connected with the second pump through a second pump, the upper end of the first pump is fixedly connected with the second pump, and the other end of the first pump is connected with the first pump through a third pump, the other end of the first pump is connected with the first pump, the pump and the second pump and the other end of the pump and the pump and the pump. The heating dissolving box I and the heating dissolving box II are fixedly connected with heating pipes at the bottoms of the heating dissolving boxes I and the heating dissolving box II, and a partition plate is arranged at the upper end of each heating pipe.
Preferably, the lower ends of the first heating dissolving box, the cooling box and the second heating dissolving box are fixedly connected with supporting legs.
Preferably, the upper end of the first connecting pipe is movably connected with a second valve.
Preferably, the guide plate is obliquely fixed on the inner wall of the cooling box.
Preferably, a discharge port is arranged below the first connecting pipe and is communicated with the cooling box, and a first valve is movably connected to one side of the discharge port.
Preferably, a controller is fixedly connected to one side of the first heating dissolving tank, and the controller is electrically connected with the first extraction pump, the second extraction pump, the first motor, the second motor, the water pump and the heating pipe respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the crushing box is arranged, the blocky potassium nitrate is poured into the crushing box from the feed inlet, the first motor drives the crushing cutter to rotate through the second rotating shaft, and the crushing cutter crushes the blocky potassium nitrate, so that the crushed potassium nitrate is favorable for heating and dissolving, the heating and dissolving efficiency of the potassium nitrate is improved, the heating and dissolving time is shortened, and the purification of the potassium nitrate is faster.
2. According to the invention, the stirring teeth are arranged, the second motor drives the stirring teeth to rotate through the first rotating shaft, so that the potassium nitrate in the first heating dissolving box is stirred, the potassium nitrate in the first heating dissolving box is more fully dissolved, and the quality of potassium nitrate purification is improved.
3. According to the invention, the guide plate is arranged, so that potassium nitrate of the cooling tank can flow into the second heating dissolving tank conveniently, and the water tank and the water pump are arranged, so that the water pump drives cooling liquid in the water pipe to circulate, and the cooling liquid in the water pipe forms a circulation body, thereby improving the cooling efficiency of the potassium nitrate.
4. According to the invention, the second heating dissolving box is arranged, the potassium nitrate in the cooling box flows into the second heating dissolving box from the first connecting pipe for dissolving and heating, and the heated and dissolved potassium nitrate is pumped into the cooling box by the second extraction pump for recrystallization treatment, so that the purity of the potassium nitrate is higher, and the impurity of the potassium nitrate is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the structure of the crushing box of the present invention.
In the figure: 1. the device comprises a first heating dissolving box, a second heating dissolving box, a third cooling box, a fourth heating dissolving box, a fifth valve, a fourth valve, a fifth discharge hole, a fourth filter screen, a fifth extraction pump, a fifth 8, a fifth conveying pipeline, a sixth 9, a fifth motor, a sixth 10, a sixth valve, a fifth 11, a fifth connecting pipe, a sixth 12, a sixth 13, a seventh 14, a sixth 15, a flow guide plate, a sixth 16, a seventh 17, a separator, a sixth 18, a sixth 19, a stirring tooth, a sixth 20, a seventh rotation shaft, a sixth 21, a sixth connecting pipe, a sixth 22, a sixth 23, a sixth 24, a sixth 25, a sixth second extraction pump, a sixth 26, a sixth third conveying pipeline, a seventh 27, a supporting leg, a sixth 28, a feed inlet 29, a sixth rotation shaft, a sixth 30, and a crushing knife.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides a technical solution: the potassium nitrate purifying system comprises a first heating dissolving tank 1, a second heating dissolving tank 2, a cooling tank 3, a first valve 4, a discharge port 5, a filter screen 6, a first extraction pump 7, a first conveying pipeline 8, a first motor 9, a second valve 10, a first connecting pipe 11, a water pipe 12, a water tank 13, a water pump 14, a guide plate 15, a heating pipe 16, a partition 17, a controller 18, stirring teeth 19, a first rotating shaft 20, a second connecting pipe 21, a second motor 22, a crushing tank 23, a second conveying pipeline 24, a second extraction pump 25, a third conveying pipeline 26, supporting legs 27, a feed port 28, a second rotating shaft 29 and a crushing knife 30, wherein one side of the first heating dissolving tank 1 is fixedly connected with the cooling tank 3, the inside of the first heating dissolving tank 1 is rotationally connected with the first rotating shaft 20, the outside of the first rotating shaft 20 is fixedly connected with the stirring teeth 19, the upper end of the first heating dissolving tank 1 is fixedly connected with a second motor 22, the second motor 22 is fixedly connected with a first rotating shaft 20 through a shaft connector, when the potassium nitrate in the first heating dissolving tank 1 is heated and dissolved, the second motor 22 drives a stirring tooth 19 to rotate through the first rotating shaft 20, the potassium nitrate in the first heating dissolving tank 1 is stirred, so that the potassium nitrate in the first heating dissolving tank 1 is heated and dissolved more fully, the quality of potassium nitrate purification is improved, the upper end of the first heating dissolving tank 1 is fixedly connected with a crushing tank 23 through a second connecting pipe 21, the inside of the crushing tank 23 is rotated with a second rotating shaft 29, the outer side of the second rotating shaft 29 is fixedly connected with a crushing cutter 30, one side of the crushing tank 23 is fixedly connected with a first motor 9, the first motor 9 is fixedly connected with the second rotating shaft 29 through the shaft connector, the upper end of the crushing tank 23 is provided with a feed inlet 28, when the blocky potassium nitrate is poured into the crushing box 23 from the feed inlet, the first motor 9 drives the crushing cutter 30 to rotate through the second rotating shaft 29, the crushing cutter 30 crushes the blocky potassium nitrate, so that the crushed potassium nitrate is favorable for heating and dissolving, the heating and dissolving efficiency of the potassium nitrate is improved, the heating and dissolving time is shortened, the purification of the potassium nitrate is faster, the filter screen 6 is detachably connected inside the cooling box 3, the guide plate 15 is arranged below the filter screen 6, and the guide plate 15 is obliquely fixed on the inner wall of the cooling box 3. The potassium nitrate in the cooling tank 3 conveniently flows into the second dissolution heating tank 2, the inner wall of the cooling tank 3 is fixedly connected with a water pipe 12, the lower end of the cooling tank 3 is fixedly connected with a water tank 13, a water pump 14 is arranged in the water tank 13, one end of the water pipe 12 is communicated with the water tank 13, the other end of the water pipe 12 is communicated with the water pump 14, when the potassium nitrate in the cooling tank 3 is cooled and crystallized, the water pump 14 drives cooling liquid in the water pipe 12 to circulate, so that the cooling liquid in the water pipe 12 forms a circulation body, the cooling efficiency of the potassium nitrate is improved, the upper end of the cooling tank 3 is fixedly connected with a first extraction pump 7, the upper end of the first extraction pump 7 is communicated with the first heating dissolution tank 1 through a second conveying pipeline 24, the other side of the cooling tank 3 is fixedly connected with the second heating dissolution tank 2 through a first connecting pipe 8, the potassium nitrate in the cooling tank 3 flows into the second heating dissolving tank 2 through the first connecting pipe 8 for dissolving and heating, the heated and dissolved potassium nitrate is pumped into the cooling tank 3 through the second extracting pump 25 for recrystallization treatment, so that the purity of the potassium nitrate is higher, the impurity of the potassium nitrate is reduced, the upper end of the first connecting pipe 11 is movably connected with the second valve 10, the second valve 10 is convenient for controlling the opening and closing of the first connecting pipe 11, a discharge port 5 is arranged below the first connecting pipe 11, the discharge port 5 is communicated with the cooling tank 3, one side of the discharge port 5 is movably connected with the first valve 4, the discharge port 5 is convenient for discharging the potassium nitrate from the cooling tank 3, the opening and closing of the discharge port 5 are conveniently controlled by the first valve 4, one side of the first extracting pump 7 is provided with the second extracting pump 25, the upper end of the second extracting pump 25 is communicated with the second heating dissolving tank 2 through the third conveying pipeline 26, the lower ends of the first extraction pump 7 and the second extraction pump 25 are communicated with the cooling tank 3 through a first conveying pipeline 8, the bottoms of the first heating dissolution tank 1 and the second heating dissolution tank 2 are fixedly connected with a heating pipe 16, the upper end of the heating pipe 16 is provided with a partition 17, the lower ends of the first heating dissolution tank 1, the cooling tank 3 and the second heating dissolution tank 2 are fixedly connected with supporting legs 27, the supporting legs 27 are convenient to fix the cooling tank 3, the first heating dissolution tank 1 and the second heating dissolution tank 2, one side of the first heating dissolution tank 1 is fixedly connected with a controller 18, and the controller 18 is respectively electrically connected with the first extraction pump 7, the second extraction pump 25, the first motor 9, the second motor 22, the water pump 14 and the heating pipe 16, and the controller 18 is convenient to control normal operation and work of the potassium nitrate purification system.
Working principle: when in use, the blocky potassium nitrate is poured into the crushing box 23 from the feed inlet 28, the first motor 9 drives the crushing cutter 30 to rotate through the second rotating shaft 29, the crushing cutter 30 crushes the blocky potassium nitrate, the crushed potassium nitrate enters the first heating dissolving box 1 from the second connecting pipe 21, the heating pipe 16 is started to heat the potassium nitrate, the second motor 22 is started while heating, the second motor 22 drives the stirring teeth 19 to rotate through the first rotating shaft 20 to stir the potassium nitrate in the first heating dissolving box 1, after the stirring teeth are heated to a specified temperature, the heating pipe 16 is closed, the first extraction pump 7 is started, the first extraction pump 7 pumps the potassium nitrate in solution into the cooling box 3, the filter screen 6 in the cooling box 3 filters the potassium nitrate, the filtered potassium nitrate is cooled and crystallized in the cooling box 3, the water pump 14 is started during cooling crystallization, the cooling liquid in the water tank 13 of the water pump 14 is pumped into the water pipe 12, the cooling liquid in the water pipe 12 flows into the water tank 13 again, thereby forming a circulating body, the cooling crystallization treatment of potassium nitrate is accelerated, the cooled and crystallized potassium nitrate falls onto the guide plate 15, the guide plate 15 accelerates the potassium nitrate to flow into the second heating and dissolving tank 2 from the first connecting pipe 11, the heating pipe 16 in the second heating and dissolving tank 2 is started to reheat the potassium nitrate, the heating pipe 16 is closed after the heating is carried out to a specified temperature, the second extraction pump 25 is started, the second extraction pump 25 pumps the liquid potassium nitrate in the second heating and dissolving tank 2 into the cooling tank 3, the filter screen 6 carries out further filtration and then carries out cooling crystallization treatment, thereby carrying out recrystallization treatment on the potassium nitrate, finally the first valve 4 is opened, the potassium nitrate flows out from the discharge hole 28, and when the valve No. 4 is opened, the valve No. 10 is closed, so that potassium nitrate is prevented from flowing into the heating dissolving tank No. 2.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (4)
1. The utility model provides a potassium nitrate purification equipment, includes heating dissolving case (1) and cooling tank (3), heating dissolving case (1) one side fixedly connected with cooling tank (3), its characterized in that: the utility model discloses a water pump, including heating dissolving case (1) inside rotation connection has axis of rotation (20), axis of rotation (20) outside fixedly connected with stirring tooth (19), heating dissolving case (1) upper end fixedly connected with No. two motor (22), no. two motor (22) pass through shaft connector fixed connection with No. one axis of rotation (20), heating dissolving case (1) upper end is through No. two connecting pipes (21) fixedly connected with crushing case (23), crushing case (23) inside rotation has No. two axis of rotation (29), no. two axis of rotation (29) outside fixedly connected with crushing sword (30), crushing case (23) one side fixedly connected with motor (9), no. one motor (9) pass through shaft connector and No. two axis of rotation (29) fixedly connected with, crushing case (23) upper end is provided with feed inlet (28), cooling case (3) inside detachably connected with (6), be provided with guide plate (15) below No. one cooling case (3), cooling case (3) inner wall fixedly connected with crushing sword (12), water tank (13) are connected with water tank (13) water pump (13), water tank (13) are connected with water tank (13), the water pipe (12) other end is communicated with the water pump (14), a first extraction pump (7) is fixedly connected to the upper end of the cooling box (3), the upper end of the first extraction pump (7) is communicated with a first heating dissolution box (1) through a second conveying pipeline (24), a second heating dissolution box (2) is fixedly connected to the other side of the cooling box (3) through a first connecting pipe (11), a second extraction pump (25) is arranged on one side of the first extraction pump (7), the upper end of the second extraction pump (25) is communicated with the second heating dissolution box (2) through a third conveying pipeline (26), the lower ends of the first extraction pump (7) and the second extraction pump (25) are all communicated with the cooling box (3) through a first conveying pipeline (8), heating pipes (16) are all fixedly connected to the bottoms of the first heating dissolution box (1) and the second heating dissolution box (2), and a partition plate (17) is arranged at the upper end of the heating pipe (16).
The lower ends of the first heating dissolving box (1), the cooling box (3) and the second heating dissolving box (2) are fixedly connected with supporting legs (27);
the upper end of the first connecting pipe (11) is movably connected with a second valve (10).
2. A potassium nitrate purification apparatus according to claim 1, wherein: the guide plate (15) is obliquely fixed on the inner wall of the cooling box (3).
3. A potassium nitrate purification apparatus according to claim 1, wherein: the cooling device is characterized in that a discharge hole (5) is formed below the first connecting pipe (11), the discharge hole (5) is communicated with the cooling box (3), and a first valve (4) is movably connected to one side of the discharge hole (5).
4. A potassium nitrate purification apparatus according to claim 1, wherein: one side of the first heating dissolving box (1) is fixedly connected with a controller (18), and the controller (18) is electrically connected with a first extraction pump (7), a second extraction pump (25), a first motor (9), a second motor (22), a water pump (14) and a heating pipe (16) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051748.2A CN108059175B (en) | 2018-01-19 | 2018-01-19 | Potassium nitrate purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051748.2A CN108059175B (en) | 2018-01-19 | 2018-01-19 | Potassium nitrate purification system |
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| Publication Number | Publication Date |
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| CN108059175A CN108059175A (en) | 2018-05-22 |
| CN108059175B true CN108059175B (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810051748.2A Active CN108059175B (en) | 2018-01-19 | 2018-01-19 | Potassium nitrate purification system |
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| CN (1) | CN108059175B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013063441A (en) * | 2013-01-16 | 2013-04-11 | Izumi Food Machinery Co Ltd | Method for operating dissolution apparatus |
| CN203668013U (en) * | 2013-12-06 | 2014-06-25 | 宏达光电玻璃(东莞)有限公司 | Potassium nitrate purification equipment |
| CN104118891A (en) * | 2014-07-02 | 2014-10-29 | 岳阳市钾盐科学研究所 | Potassium nitrate production process by double decomposition-air cooling crystallization method |
| CN207957787U (en) * | 2018-01-19 | 2018-10-12 | 江西金利达钾业有限责任公司 | A kind of potassium nitrate equipment for purifying |
-
2018
- 2018-01-19 CN CN201810051748.2A patent/CN108059175B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013063441A (en) * | 2013-01-16 | 2013-04-11 | Izumi Food Machinery Co Ltd | Method for operating dissolution apparatus |
| CN203668013U (en) * | 2013-12-06 | 2014-06-25 | 宏达光电玻璃(东莞)有限公司 | Potassium nitrate purification equipment |
| CN104118891A (en) * | 2014-07-02 | 2014-10-29 | 岳阳市钾盐科学研究所 | Potassium nitrate production process by double decomposition-air cooling crystallization method |
| CN207957787U (en) * | 2018-01-19 | 2018-10-12 | 江西金利达钾业有限责任公司 | A kind of potassium nitrate equipment for purifying |
Non-Patent Citations (1)
| Title |
|---|
| 张罡 ; .节能技术在硝酸钾生产中应用.化工设计.2010,(06),1,10-12. * |
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