CN219239535U - Lime milk refining system for producing light calcium carbonate - Google Patents
Lime milk refining system for producing light calcium carbonate Download PDFInfo
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- CN219239535U CN219239535U CN202320067205.6U CN202320067205U CN219239535U CN 219239535 U CN219239535 U CN 219239535U CN 202320067205 U CN202320067205 U CN 202320067205U CN 219239535 U CN219239535 U CN 219239535U
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Abstract
The utility model discloses a lime milk refining system for producing light calcium carbonate, which comprises a coarse pulp tank, a coarse pulp tank stirring system, a self-priming pump A, a primary suspension separator, a middle tank, a primary tank, a self-priming pump B, a secondary suspension separator, a secondary tank, a slurry pump, a slurry suspension separator, a fine pulp tank stirring system and a self-priming pump C. The system is used for slaked lime slurry (Ca (OH) 2 ) The slurry fineness is improved by separating and deslagging and impurity removing of continuous multistage suspension, so that the carbonization reaction efficiency is improved, and the quality of light calcium carbonate is ensured.
Description
Technical Field
The utility model relates to the technical field of light calcium carbonate production, in particular to a lime milk refining system for light calcium carbonate production.
Background
The light calcium carbonate can be used as filler in rubber, plastic, paper making, paint and ink industries, etc., and is widely used in organic synthesis, metallurgy, glass and asbestos production, etc. In industry, raw materials such as limestone and the like are burnt to generate lime and carbon dioxide, then water is added to digest lime to generate lime milk (main component calcium hydroxide), carbon dioxide is introduced to carbonize the lime milk to generate calcium carbonate sediment, and the calcium carbonate sediment is dehydrated, dried and crushed to obtain the calcium carbonate.
In the production process, lime milk is in a colloid state and has high viscosity, contains more coarse particle impurities including raw burnt limestone, overburden lime, cinder and the like when coming from a digestion section, and needs to be refined to remove the impurities to obtain fine slurry so as to be beneficial to the uniformity and sufficiency of subsequent reaction with carbon dioxide and ensure the product quality of light calcium carbonate.
The traditional lime cream slurry refining method is standing precipitation, is time-consuming and cannot be operated continuously, and currently, a calcium carbonate manufacturer adopts a method of combining a first-stage hydrocyclone with a separating screen to refine lime cream, but the separating screen has insufficient separating efficiency and is easy to block. The calcium carbonate industry needs a continuous, efficient lime milk refining system to achieve lime milk refining.
Disclosure of Invention
Thus, in order to solveThe above-mentioned drawbacks, the present utility model herein provides a lime milk refining system for light calcium carbonate production that refines digested lime slurry (Ca (OH) 2 ) The slurry fineness and purity are improved by separating and deslagging and impurity removal of continuous multistage suspension, so that the carbonization reaction efficiency is improved, and the quality of light calcium carbonate is ensured.
The utility model is realized by constructing a lime milk refining system for producing light calcium carbonate, which is characterized in that; the system comprises: the device comprises a coarse pulp tank, a coarse pulp tank stirring system, a self-priming pump A, a primary suspension separator, a middle tank, a primary tank, a self-priming pump B, a secondary suspension separator, a secondary tank, a slurry pump, a slurry suspension separator, a fine pulp tank stirring system and a self-priming pump C; one end of a self-priming pump A is communicated with the coarse pulp tank, the other end of the self-priming pump A is communicated with a primary suspension separator, the primary suspension separator is also communicated with a primary tank, lime coarse pulp in the coarse pulp tank is pumped out by the self-priming pump A and enters the primary suspension separator to carry out primary suspension separation, upper primary slurry obtained by suspension separation enters the primary tank, and lower coarse slurry enters the intermediate tank; one end of a self-priming pump B is communicated with the primary tank, the other end of the self-priming pump B is communicated with the secondary suspension separator, the secondary suspension separator is also communicated with the secondary tank, the self-priming pump B pumps primary slurry in the primary tank, the primary slurry enters the secondary suspension separator for secondary suspension separation, upper refined slurry obtained by suspension separation enters the secondary tank, and lower slurry enters the middle tank; one end of the slurry pump is communicated with the middle tank, the other end of the slurry pump is communicated with the slurry suspension separator, and the slurry pump is used for pumping the coarse slurry in the middle tank into the slurry suspension separator for suspension separation, the slurry at the upper part of the slurry suspension separator returns to the coarse slurry tank, and the slag at the lower part of the slurry suspension separator is discharged into the slag tank; the secondary tank is communicated with the refined pulp tank, refined pulp in the secondary tank is discharged into the refined pulp tank by gravity, and the refined pulp tank is provided with a refined pulp tank stirring system to ensure refined pulp uniformity.
The lime milk refining system for producing light calcium carbonate is characterized in that; the primary suspension separator and the secondary suspension separator are positioned at the upper part of the intermediate tank.
The lime milk refining system for producing light calcium carbonate is characterized in that; the self-priming pump C is communicated with the refined pulp pool and is used for pumping refined pulp in the refined pulp pool into the carbonization tank for carbonization reaction.
The lime milk refining system for producing light calcium carbonate is characterized in that; the coarse pulp tank is provided with a coarse pulp tank stirring system, so that the uniformity of quicklime coarse pulp in the coarse pulp tank is ensured.
The lime milk refining system for producing light calcium carbonate is characterized in that; the coarse pulp tank is provided with a coarse pulp tank stirring system, so that the uniformity of quicklime coarse pulp in the coarse pulp tank is ensured.
The utility model has the following advantages: the utility model provides herein a lime milk refining system for light calcium carbonate production, for use with a digested lime slurry (Ca (OH) 2 ) The slurry fineness and purity are improved by separating and deslagging and impurity removal of continuous multistage suspension, so that the carbonization reaction efficiency is improved, the quality of light calcium carbonate is ensured, and the continuity and the high efficiency are realized.
Drawings
Figure 1 is a continuous environmental protection ash-based milk making system for light calcium carbonate production.
Wherein: the device comprises a coarse pulp tank 1, a coarse pulp tank stirring system 2, a self-priming pump A3, a primary suspension separator 4, a middle tank 5, a primary tank 6, a self-priming pump B7, a secondary suspension separator 8, a secondary tank 9, a slurry pump 10, a slurry suspension separator 11, a fine pulp tank 12, a fine pulp tank stirring system 13 and a self-priming pump C14.
Detailed Description
The following detailed description of the present utility model will be provided with reference to fig. 1, in which the technical solutions of the embodiments of the present utility model are clearly and completely described, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a lime milk refining system for producing light calcium carbonate by improving the system, which is characterized in that; the system comprises: a coarse pulp tank 1, a coarse pulp tank stirring system 2, a self-priming pump A3, a primary suspension separator 4, a middle tank 5, a primary tank 6, a self-priming pump B7, a secondary suspension separator 8, a secondary tank 9, a slurry pump 10, a slurry suspension separator 11, a fine pulp tank 12, a fine pulp tank stirring system 13 and a self-priming pump C14;
one end of a self-priming pump A3 is communicated with the coarse pulp tank 1, the other end of the self-priming pump A3 is communicated with the primary suspension separator 4, the primary suspension separator 4 is also communicated with the primary tank 6, the self-priming pump A3 pumps out lime coarse pulp in the coarse pulp tank 1, the lime coarse pulp enters the primary suspension separator 4 for primary suspension separation, the upper primary slurry obtained by suspension separation enters the primary tank 6, and the lower coarse slurry enters the intermediate tank 5; one end of a self-priming pump B7 is communicated with the primary tank 6, the other end of the self-priming pump B7 is communicated with the secondary suspension separator 8, the secondary suspension separator 8 is also communicated with the secondary tank 9, the self-priming pump B7 pumps primary slurry in the primary tank 6, the primary slurry enters the secondary suspension separator 8 to carry out secondary suspension separation, upper refined slurry obtained by suspension separation enters the secondary tank 9, and lower slurry enters the middle tank 5.
When in implementation; the primary suspension separator 4 and the secondary suspension separator 8 are located in the upper part of the intermediate tank 5.
When in implementation; one end of a slurry pump 10 is communicated with the middle tank 5, the other end of the slurry pump is communicated with the slurry suspension separator 11, and the slurry pump is used for pumping coarse slurry in the middle tank 5 into the slurry suspension separator 11 for suspension separation, slurry at the upper part of the slurry suspension separator 11 returns to the coarse slurry tank 1, and slag at the lower part is discharged into a slag tank.
When in implementation; the secondary tank 9 is communicated with the refined pulp tank 12, refined pulp in the secondary tank 9 is discharged into the refined pulp tank 12 by gravity, and the refined pulp tank 12 is provided with a refined pulp tank stirring system 13 to ensure the uniformity of refined pulp;
the self-priming pump C14 is communicated with the refined pulp tank 12 and is used for pumping refined pulp in the refined pulp tank 12 into a carbonization tank for carbonization reaction.
When in implementation; the coarse pulp tank 1 is provided with a coarse pulp tank stirring system 2, so that the uniformity of quicklime coarse pulp in the coarse pulp tank is ensured.
When in implementation; the coarse pulp tank 1 is provided with a coarse pulp tank stirring system 2, so that the uniformity of quicklime coarse pulp in the coarse pulp tank is ensured. The self-sucking pump A3 pumps out lime coarse pulp in the coarse pulp pool, and the lime coarse pulp enters a primary suspension separator 4 for primary suspension separation, upper primary slurry obtained by suspension separation enters a primary tank 6, and lower coarse slurry enters a middle tank 5; the self-priming pump B7 pumps out primary slurry in the primary tank 6, and the primary slurry enters the secondary suspension separator 8 for secondary suspension separation, the upper refined slurry obtained by suspension separation enters the secondary tank 9, and the lower slurry enters the middle tank 5; the slurry pump 10 pumps the coarse slurry in the middle tank 5 into the slurry suspension separator 11 for suspension separation, the upper slurry returns to the coarse slurry tank 1, and the lower slag is discharged into the slag tank; the seminal plasma in the secondary tank 9 is discharged into a seminal plasma pool 12 by gravity, and the seminal plasma pool 12 is provided with a seminal plasma pool stirring system 13 to ensure the uniformity of the seminal plasma; the self-priming pump C14 pumps the refined pulp in the refined pulp tank 12 into a carbonization tank for carbonization reaction.
Lime slurry coarse pulp is obtained after the quicklime reacts with water in a digestion system and enters a coarse pulp tank 1, and a coarse pulp tank stirring system 2 is arranged in the coarse pulp tank 1 to ensure the uniformity of quicklime coarse pulp in the coarse pulp tank; lime coarse pulp in the coarse pulp tank 1 is pumped out by a self-priming pump A3 and enters a first-stage suspension separator 4 for first suspension separation, upper primary pulp obtained by suspension separation enters a first-stage tank 6, and lower coarse pulp enters a middle tank 5; primary slurry in the first-stage tank 6 is pumped out by a self-priming pump B7 and enters a second-stage suspension separator 8 for secondary suspension separation, upper refined slurry obtained by suspension separation enters a second-stage tank 9, and lower slurry enters a middle tank 5; the coarse slurry in the intermediate tank 5 is pumped into a slurry suspension separator 11 through a slurry pump 10 to carry out suspension separation, the upper slurry returns to the coarse slurry tank 1, and the lower material slag is discharged into a slag tank; the refined pulp in the secondary tank 9 is discharged into a refined pulp tank 12 with a refined pulp tank stirring system 13 by gravity and stored, and the refined pulp in the refined pulp tank 12 is pumped into a carbonization tank for carbonization reaction through a self-suction C14.
Claims (5)
1. A lime milk refining system for producing light calcium carbonate, which is characterized in that; the system comprises: the device comprises a coarse pulp tank (1), a coarse pulp tank stirring system (2), a self-priming pump A (3), a primary suspension separator (4), a middle tank (5), a primary tank (6), a self-priming pump B (7), a secondary suspension separator (8), a secondary tank (9), a slurry pump (10), a slurry suspension separator (11), a fine pulp tank (12), a fine pulp tank stirring system (13) and a self-priming pump C (14); one end of a self-priming pump A (3) is communicated with the coarse pulp tank (1), the other end of the self-priming pump A (3) is communicated with a primary suspension separator (4), the primary suspension separator (4) is also communicated with a primary tank (6), the self-priming pump A (3) pumps out lime coarse pulp in the coarse pulp tank (1), the lime coarse pulp enters the primary suspension separator (4) for primary suspension separation, upper primary slurry obtained by suspension separation enters the primary tank (6), and lower coarse slurry enters an intermediate tank (5); one end of a self-priming pump B (7) is communicated with the primary tank (6), the other end of the self-priming pump B (7) is communicated with the secondary suspension separator (8), the secondary suspension separator (8) is also communicated with the secondary tank (9), the self-priming pump B (7) pumps primary slurry in the primary tank (6) out, the primary slurry enters the secondary suspension separator (8) for secondary suspension separation, the upper concentrate obtained by suspension separation enters the secondary tank (9), and the lower slurry enters the middle tank (5); one end of a slurry pump (10) is communicated with the middle tank (5), the other end of the slurry pump is communicated with the slurry suspension separator (11) and is used for pumping coarse slurry in the middle tank (5) into the slurry suspension separator (11) for suspension separation, slurry at the upper part of the slurry suspension separator (11) returns to the coarse slurry tank (1), and slag at the lower part is discharged into a slag tank; the secondary tank (9) is communicated with the refined pulp tank (12), refined pulp in the secondary tank (9) is discharged into the refined pulp tank (12) by gravity, and the refined pulp tank (12) is provided with a refined pulp tank stirring system (13) to ensure refined pulp uniformity.
2. A lime milk refining system for light calcium carbonate production according to claim 1, characterized in that; the primary suspension separator (4) and the secondary suspension separator (8) are positioned at the upper part of the intermediate tank (5).
3. A lime milk refining system for light calcium carbonate production according to claim 1, characterized in that; the self-priming pump C (14) is communicated with the refined pulp tank (12) and is used for pumping refined pulp in the refined pulp tank (12) into a carbonization tank for carbonization reaction.
4. A lime milk refining system for light calcium carbonate production according to claim 1, characterized in that; the coarse pulp tank (1) is provided with a coarse pulp tank stirring system (2) to ensure the uniformity of quicklime coarse pulp in the coarse pulp tank.
5. A lime milk refining system for light calcium carbonate production according to claim 1, characterized in that; the coarse pulp tank (1) is provided with a coarse pulp tank stirring system (2) to ensure the uniformity of quicklime coarse pulp in the coarse pulp tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320067205.6U CN219239535U (en) | 2023-01-10 | 2023-01-10 | Lime milk refining system for producing light calcium carbonate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320067205.6U CN219239535U (en) | 2023-01-10 | 2023-01-10 | Lime milk refining system for producing light calcium carbonate |
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| CN219239535U true CN219239535U (en) | 2023-06-23 |
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| CN202320067205.6U Active CN219239535U (en) | 2023-01-10 | 2023-01-10 | Lime milk refining system for producing light calcium carbonate |
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