CN217535847U - Digestion device of calcium hydroxide production line - Google Patents
Digestion device of calcium hydroxide production line Download PDFInfo
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- CN217535847U CN217535847U CN202221913126.4U CN202221913126U CN217535847U CN 217535847 U CN217535847 U CN 217535847U CN 202221913126 U CN202221913126 U CN 202221913126U CN 217535847 U CN217535847 U CN 217535847U
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- digestion
- digestion device
- production line
- calcium oxide
- calcium hydroxide
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Abstract
The utility model discloses a digestion device of calcium hydrate production line, include: the digestion device comprises a first digestion device, a second digestion device and a third digestion device, wherein the first digestion device, the second digestion device and the third digestion device are sequentially connected end to end in a Z shape from top to bottom; the first digestion device is provided with a grinding device, calcium oxide is conveyed to the second digestion device, and meanwhile, larger calcium oxide can be ground and refined; the second digestion device is arranged obliquely, and the first conveying device is transported obliquely upwards. The device is provided with an inclined digestion device, and the conveying device is conveyed upwards in an inclined mode, so that the time of calcium oxide falling to a discharge port is prolonged in the falling process, and the calcium oxide and sprayed liquid fully react.
Description
Technical Field
The utility model relates to a chemical production field especially relates to a digestion device of calcium hydrate production line.
Background
Calcium hydroxide is used for manufacturing bleaching powder, hard water softener, disinfectant insecticide, depilatory for tanning, granulated sugar refining, building materials and the like, has wide application range and huge use amount, and therefore, higher requirements are put forward for the production of the calcium hydroxide, and the existing production process of the calcium hydroxide mainly comprises the steps of calcining limestone into calcium oxide by a lime slaking method, and then selecting the calcium oxide and water according to the proportion of 1: (3-3.5), purifying, separating and deslagging the generated calcium hydroxide feed liquid, performing centrifugal dehydration, drying at 150-300 ℃, and screening (more than 120 meshes) to obtain the calcium hydroxide finished product.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing a digestion device of a calcium hydroxide production line.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a digestion unit of a calcium hydroxide production line, comprising: the digestion device comprises a first digestion device, a second digestion device and a third digestion device, wherein the first digestion device, the second digestion device and the third digestion device are sequentially connected end to end in a Z shape from top to bottom;
the first digestion device is provided with a grinding device, calcium oxide is conveyed to the second digestion device, and meanwhile, larger calcium oxide can be ground and refined;
the second digestion device is provided with a first conveying device and a first spraying device, and the first spraying device is arranged above the first conveying device and can be used for spraying calcium oxide in the first conveying device;
the second digestion device is arranged obliquely, and the first conveying device is transported obliquely upwards;
the third digestion device is provided with a second conveying device and a second spraying device, the second spraying device is arranged above the second conveying device, and the calcium oxide in the second conveying device can be sprayed.
As a further description of the above technical solution: the first digestion device is provided with a first feeding hole and a first discharging hole, is connected with a feeding box above and feeds calcium oxide into the first digestion device.
As a further description of the above technical solution: the second digestion device is provided with a second feeding hole and a second discharging hole, the second feeding hole is connected with the first discharging hole, and the second discharging hole is connected with the third digestion device.
As a further description of the above technical solution: the third digestion unit is provided with a third feed inlet and a third discharge outlet, and the second discharge outlet is connected with the third feed inlet.
As a further description of the above technical solution: and the third discharge hole is connected with the filtering device.
As a further description of the above technical solution: and the top parts of the second digestion device and the third digestion device are provided with fans, and the fans are connected with the liquid storage tank through air pipes.
As a further description of the above technical solution: and driving devices are arranged on the outer sides of the first digestion device, the second digestion device and the third digestion device and used for controlling the grinding device, the first conveying device and the second conveying device.
As a further description of the above technical solution: the grinding device is a plurality of guide rollers, grinding sheets are arranged on the guide rollers and are mutually attached in a staggered mode, an air pipe is arranged at the top of the liquid storage tank and connected with the first digestion device, hot air generated by reaction is blown outwards, and calcium oxide is blown and transported.
As a further description of the above technical solution: the feeding box is funnel-shaped and conveys calcium oxide to the interior of the first digestion device in a centralized manner.
As a further description of the above technical solution: the filtering device is a stainless steel mesh screen, and calcium hydroxide feed liquid after reaction digestion is separated and subjected to slag removal, so that preparation is carried out for the next preparation project.
The technical scheme has the following advantages or beneficial effects:
1. the grinding device is arranged, so that larger calcium oxide particles can be extruded and ground, the calcium oxide particles are refined, the contact surface area with liquid is increased, and the reaction efficiency is improved.
2. The multistage digestion device is arranged, so that calcium oxide can fully react with liquid, and the reaction effect is better.
3. The inclined digestion device is arranged, and the conveying device is conveyed upwards in an inclined manner, so that the time of calcium oxide falling to the discharge port is prolonged in the falling process, and the calcium oxide and the sprayed liquid are fully reacted.
Drawings
FIG. 1 is a schematic structural view of a digestion device of a calcium hydroxide production line provided by the present invention;
illustration of the drawings:
1. a first digestion unit; 2. a second digestion unit; 3. a third digestion unit; 4. a grinding device; 5. a first conveying device; 6. a first spraying device; 7. a second conveying device; 8. a second spraying device; 9. a feeding box; 10. a filtration device; 11. a fan; 12. a liquid storage tank; 13. a guide roller; 101. a first feed port; 102. a first discharge port; 201. a second feed port; 202. a second discharge port; 301. a third feed inlet; 302. and a third discharge hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides an embodiment: a digestion unit of a calcium hydroxide production line, comprising: the first digestion device 1, the second digestion device 2 and the third digestion device 3 are sequentially connected from top to bottom in a Z shape from head to tail;
the first digestion device 1 is provided with a grinding device 4 which is used for conveying calcium oxide to the second digestion device 2 and grinding and refining larger calcium oxide;
the second digestion device 2 is provided with a first conveying device 5 and a first spraying device 6, the first spraying device 6 is arranged above the first conveying device 5, and can spray the calcium oxide in the first conveying device 5;
the second digestion device 2 is arranged obliquely, and the first conveying device 5 is transported obliquely upwards;
the third digestion device 3 is provided with a second conveying device 7 and a second spraying device 8, and the second spraying device 8 is arranged above the second conveying device 7 and can spray the calcium oxide in the second conveying device 7.
The first digestion device 1 grinds and crushes calcium oxide with larger particle diameter through the grinding device 4 and fully contacts with liquid by arranging the first digestion device 1, the second digestion device 2 and the third digestion device 3 in a Z shape; the second digestion device 2 is obliquely arranged, and the first conveying device 5 is obliquely conveyed upwards, so that calcium oxide can be conveyed upwards, the falling time of the calcium oxide is prolonged, the reaction time of the calcium oxide under the first spraying device 6 is prolonged, and the reaction is more sufficient.
Specifically, the first digestion device 1 is provided with a first feeding port 101 and a first discharging port 102, which are connected with the feeding box 9 above, and the calcium oxide is fed into the first digestion device 1.
Calcium oxide can be conveyed into the first digestion device 1 through the feeding box 9 for digestion reaction, and the material of the feeding box 9 is high-temperature resistant stainless steel.
Specifically, the second digestion unit 2 is provided with a second inlet 201 and a second outlet 202, the second inlet 201 is connected with the first outlet 102, and the second outlet 202 is connected with the third digestion unit 3.
The first digestion device 1 is connected with the second digestion device 2, the first digestion device 1 grinds calcium oxide, then conveys the calcium oxide into the second digestion device 2, sprays the calcium oxide through the first spraying device 6, and the calcium oxide reacts with water and is mixed to generate calcium hydroxide mixed liquor.
Specifically, the third digestion device 3 is provided with a third feed inlet 301 and a third discharge outlet 302, and the second discharge outlet 202 is connected with the third feed inlet 301.
The second digestion device 2 is connected with the third digestion device 3, the mixed liquid of calcium oxide and calcium hydroxide after the initial reaction with water is conveyed into the third digestion device 3, the mixed liquid of calcium oxide and calcium hydroxide is sprayed again through the second spraying device 8, and the mixed liquid of calcium hydroxide after the reaction is conveyed out of the third digestion device 3.
Specifically, the third discharge port 302 is connected to the filter device 10.
The mixed solution of calcium hydroxide after the reaction is delivered to the filtering device 10, and the separation and deslagging can be carried out.
Specifically, fans 11 are arranged at the tops of the second digestion device 2 and the third digestion device 3, and the fans 11 are connected with a liquid storage tank 12 through air pipes.
Can carry the top of liquid reserve tank 12 from the tuber pipe with the steam that calcium oxide and water reaction back generated and the white smoke gas of not reacting through fan 11, also be equipped with the fan in the liquid reserve tank 12, carry the one side of first digestion device 1 with gaseous through the tuber pipe, can blow, supplementary grinder grinds the transportation calcium oxide material, prevents simultaneously that the inside temperature of second digestion device 2 and third digestion device 3 is too high, influences the reaction process.
Specifically, the outside of the first digesting unit 1, the second digesting unit 2 and the third digesting unit 3 is provided with a driving unit for controlling the grinding unit 4, the first transporting unit 5 and the second transporting unit 7.
The grinding device 4, the first conveying device 5 and the second conveying device 7 can be driven to rotate by controlling the driving device, so that the calcium oxide can be conveyed.
Specifically, grinder 4 is a plurality of deflector roll 13, is equipped with the abrasive disc on the deflector roll 13, and the abrasive disc dislocation laminating each other, and liquid reserve tank 12 top is equipped with the tuber pipe, connects first digestion device 1, blows the hot-blast outside that produces the reaction, blows the transportation to calcium oxide.
In this embodiment, the number of the guide rollers 13 is 3, the grinding sheets on the guide rollers 3 are attached to each other in a staggered manner, and large calcium oxide particles are ground by extrusion and are crushed, so that the large particles are crushed into small particles, and the small particles can fully react with the spray liquid.
Specifically, the feed box 9 has a funnel shape, and intensively feeds the calcium oxide to the inside of the first digestion unit 1.
The calcium oxide may be delivered to one side of the first digestion unit 1 for attrition crushing.
Specifically, the filtering device 10 is a stainless steel mesh screen, and separates and removes slag from the calcium hydroxide solution digested by the reaction, so as to prepare for the next preparation process.
The reacted calcium hydroxide solution can be separated from the calcium oxide particles which are not completely reacted by the filtering device 10, in this embodiment, a stainless steel mesh screen is selected, and the mesh shape can be a mesh screen or a fish scale screen.
The working principle is as follows: get into first digestion device 1 through feed box 9 with calcium oxide, refine grinding and transport through grinder 4, get into second digestion device 2 and third digestion device 3 and spray the reaction, be equipped with fan 11 at the top of second digestion device 2 with third digestion device 3, can carry the liquid reserve tank 12 through the tuber pipe with the steam that the reaction produced and heat inside liquid, the top of liquid reserve tank 12 is equipped with fan 11 and can inputs unnecessary gas to first digestion device 1 inside through the tuber pipe, blow the auxiliary transportation to calcium oxide.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (10)
1. The utility model provides a digestion device of calcium hydrate production line which characterized in that: the method comprises the following steps: the digestion system comprises a first digestion device (1), a second digestion device (2) and a third digestion device (3), wherein the first digestion device (1), the second digestion device (2) and the third digestion device (3) are sequentially connected end to end in a Z shape from top to bottom;
the first digestion device (1) is provided with a grinding device (4) which is used for conveying calcium oxide to the second digestion device (2) and grinding and refining larger calcium oxide;
the second digestion device (2) is provided with a first conveying device (5) and a first spraying device (6), the first spraying device (6) is arranged above the first conveying device (5), and can be used for spraying the calcium oxide in the first conveying device (5);
the second digestion device (2) is arranged obliquely, and the first conveying device (5) is transported obliquely upwards;
the third digestion device (3) is provided with a second conveying device (7) and a second spraying device (8), the second spraying device (8) is arranged above the second conveying device (7), and calcium oxide in the second conveying device (7) can be sprayed.
2. The digestion device of the calcium hydroxide production line according to claim 1, characterized in that: the first digestion device (1) is provided with a first feeding hole (101) and a first discharging hole (102), is connected with a feeding box (9) above and feeds calcium oxide into the first digestion device (1).
3. The digestion device of the calcium hydroxide production line according to claim 2, characterized in that: the second digestion device (2) is provided with a second feeding hole (201) and a second discharging hole (202), the second feeding hole (201) is connected with the first discharging hole (102), and the second discharging hole (202) is connected with the third digestion device (3).
4. The digestion device of the calcium hydroxide production line according to claim 3, characterized in that: the third digestion device (3) is provided with a third feed inlet (301) and a third discharge outlet (302), and the second discharge outlet (202) is connected with the third feed inlet (301).
5. The digestion device of the calcium hydroxide production line according to claim 4, wherein: the third discharge hole (302) is connected with the filtering device (10).
6. The slaking apparatus of a calcium hydroxide production line according to claim 1, wherein: the top of the second digestion device (2) and the third digestion device (3) is provided with a fan (11), and the fan (11) is connected with a liquid storage tank (12) through an air pipe.
7. The digestion device of the calcium hydroxide production line according to claim 1, characterized in that: and driving devices are arranged on the outer sides of the first digestion device (1), the second digestion device (2) and the third digestion device (3) and are used for controlling the grinding device (4), the first conveying device (5) and the second conveying device (7).
8. The digestion device of the calcium hydroxide production line according to claim 6, wherein: grinder (4) are a plurality of deflector roll (13), be equipped with the abrasive disc on deflector roll (13), the laminating of misplacing mutually of abrasive disc, liquid reserve tank (12) top is equipped with the tuber pipe, connects first digestion device (1) blows outward the hot-blast that produces the reaction, blows the transportation to calcium oxide.
9. The digestion device of the calcium hydroxide production line according to claim 2, characterized in that: the feeding box (9) is funnel-shaped and is used for intensively conveying calcium oxide to the interior of the first digestion device (1).
10. The slaking apparatus of a calcium hydroxide production line according to claim 5, wherein: the filtering device (10) is a stainless steel mesh sieve, and calcium hydroxide feed liquid digested by reaction is separated and subjected to deslagging, so that preparation is carried out for the next preparation engineering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221913126.4U CN217535847U (en) | 2022-07-20 | 2022-07-20 | Digestion device of calcium hydroxide production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221913126.4U CN217535847U (en) | 2022-07-20 | 2022-07-20 | Digestion device of calcium hydroxide production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217535847U true CN217535847U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221913126.4U Active CN217535847U (en) | 2022-07-20 | 2022-07-20 | Digestion device of calcium hydroxide production line |
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| Country | Link |
|---|---|
| CN (1) | CN217535847U (en) |
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2022
- 2022-07-20 CN CN202221913126.4U patent/CN217535847U/en active Active
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